University of Lucknow Courses

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I.P.P.R. Center
Lucknow, Uttar Pradesh 226007 , India
(0522) 2740086, 2740412
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Approvals: UGC NAAC NCTE

M.Sc. (Botany)


Duration:2 Years
Eligibility:Graduation

Course Structure

First Year

Semester-  I

  • Paper I - Microbiology: Plant Virology and Bacteriology
  • Paper II - Fungi and Plant Pathology
  • Paper III - Algae, Lichens and Culture Techniques
  • Paper IV - Bryophytes
  • Practical - Based on Papers I to IV

Semester - II

  • Paper V - Pteridophytes
  • Paper VI - Gymnosperms and Palaeobotany
  • Paper VII - Angiosperm - Plant Development and Reproduction
  • Paper VIII - Project (Review/Literature survey based on Papers I to VII (Semesters I & II)
  • Practical - Based on Papers V to VII (including viva-voce on project & field excursion)

Second Year

Semester - III

  • Paper I - Angiosperms: Taxonomy and Economic Botany
  • Paper II - Environment, Ecology and Plant Soil Relationship
  • Paper III - Cytology, Genetics and Cytogenetics
  • Paper IV - Plant Breeding and Biostatistics
  • Practical - Based on Papers I to IV

Semester - IV

  • Paper V - Plant Physiology
  • Paper VI - Cell Biology and Plant Biochemistry
  • Paper VII - Biotechnology and Analytical Techniques
  • Paper VIII - Project (Review/Literature survey based on Papers I to VII (Semesters III & IV)
  • Practical - Based on Papers V and VII (including viva-voce on  project & field excursion)

 

Course Detail

Semester-I

Paper – I   Microbiology: Plant Virology and Bacteriology

Unit-I: Plant virus classification, structure, transmission, detection

  • Nomenclature and classification of plant viruses
  • Range of plant virus particle and genomic organization
  • Morphological, anatomical, and biochemical changes in virus infected plants.
  • Molecular aspects of plant virus transmission
  • Purifications and electron microscopy of viruses
  • Virus detection by serological and nucleic acid hybridization methods

Unit-II: Plant virus replication, sub-viral pathogens, techniques, disease, control.

  • Infection and replication of plant viruses
  • Gene expression strategies in plant viruses.
  • Molecular mechanism of plant resistance to virus infection and modern methods of plant virus disease control.
  • Disease caused by plant viruses-
    • Sunnhemp rosette on sunnhemp (Tobamovirus)
    • Papaya ringspot on papaya (Potyvirus)
    • Leaf curl of tobacco (Geminivirus)
    • Distortion mosaic on Tabernaemontana (Ilarvirus)
    • Tungro on paddy (Tungro virus complex)
  • Structure, replication and pathogenicity of viroids
  • Structure and replication of viruses infecting bacteria

Unit-III: Bacteria- History, classification, structure and genetics

  • History of microbiology.
  • Classification of bacteria and archaea based on Bergey’s Manual of Systematic Bacteriology
  • Bacterial cell structure, function of cell components
  • Bacterial genome structure, replication, expression and recombination, and plasmids

Unit-IV: Bacterial metabolism, Soil microbiology, disease, applications

  • Bacterial nutrition and metabolism, including Nitrogen fixation
  • Antibiotics and their mode of action.
  • Introduction to recombinant DNA technology
  • Biotechnology applications of microbiology
  • Diseases-
    • Brown rot of potato/brinjal (Pseudomonas solanacearum)
    • Soft rot of carrot/onion- Erwinia cartovora.
    • Little leaf of Brinjal (Phytoplasma sp.)
  • Practicals: Based on syllabus above

Paper - II   Fungi and Plant Pathology

Unit-I: General aspects of structure, reproduction, systematics and phylogeny.

  • Historical account, thallus organization and cell structure.
  • Nutritional types of fungi: biotrophs, hemibiotrophs, symbionts and necrotrophs.
  • Reproduction, hormonal mechanism of sexual reproduction, parasexuality, life cycles.
  • Fungal systematics, phylogeny, fossil fungi.
  • Fungal biotechnology.

Unit-II:  Comparative study of fungal groups

Comparative study of the following main groups of fungi:

  • Myxomycota:
    • Myxomycetes- Stemonitis, Arcyria.
    • Plasmodiophormycetes- Plasmodiophora
  • Eumycota:
    • Mastigomycotina Chytridiomycetes- Synchytrium, Allomyces, Monoblepharis. Oomycetes- Saprolegnia, Achlya. Pythium, Phytophthora, Sclerospora, Peronospora.
    • Zygomycotina- Zygorhynchus, Pilobolus, Choanophora, Entomophthora.
    • (iii) Ascomycotina- Yeasts, Taphrina, Protomyces, Emericella, Penicillium, Erysiphe, Phyllactinia, Chaetomium, Sordaria, Claviceps, Xylaria, Daldinia, Nectria, Phyllachora, Morchella, Capnodium.
    • Basidiomycotina- Auricularia, Puccinia, Gymnosporangia, Phragmidium, Uromyces, Ravenalia, Melampsora, Tolyposporium, Ustilago, Sphacelotheca, Tilletia, Urocystis, Graphiola, Clavaria, Lycoperdon, Geaster, Cyathus.
    • Deuteromycotina- Colletotrichum, Helminthosporium, Alternaria, Cercospora, Rhizoctonia.

Unit-III: Principles of phytopathology

  • Historical development and present status of phytophathology. Classification of plant diseases, general symptoms and diagnosis. Concept of disease, Koch’s postulates, specialization of parasitism, pathogenesis, role of enzymes and toxins in pathogenesis. Genetics of host- pathogen interaction. Defense mechanism in host, effect of infection on host physiology. Dissemination of phytopathogens, plant disease forecasting and management. Mycotoxins and storage diseases. Application of biotechnology in plant pathology.

Unit-IV: Plant diseases caused by fungi, nematodes, abiotic factors and their control

Epidemiology, symptoms, etiology, perennation and control of following diseases:

  • Fungal diseases:
    • Green ear disease of bajra- Sclerospora graminicola
    • Damping off of seedling and fruit rot- Pythium
    • Stem gall of coriander- Protomyces macrosporus
    • Peach leaf curl- Taphrina deformans
    • Ergot of rye- Claviceps purpurea
    • Rust of gram- Uromyces ciceris – aurientinii.
    • Rust of linseed- Melampsora lini.
    • Rust of wheat- Puccinia recondite, P. striiformis
    • Covered smut of barley- Ustilago hordei
    • Loose smut of oats- Ustilago avenae
    • Loose smut of bajra- Tallyposporium penicillariae
    • Red rot of sugarcane- Colletotrichum falcatum
    • Leaf spot and shot holes- Alternaria spp.
    • Tikka disease of groundnut- Cercospora spp.
    • Foot rot of gladioli- Fusarium spp.
  • Diseases caused by nematodes:
    • Ear cockle of wheat- Anguina tritici
    • Root knot of vegetables- Meloidogyne incognita, M. javanica, M.arenaria
  • Abiotic/Non pathogenic diseases:
    • Black tip of mango
    • Black heart of potato

Paper - III   Algae:

Unit – 1:

  • General characters and definition, study of important systems of classifications, criteria used in algal classifications including recent trends. Range of thallus structure and organization. Pigmentation. Nature of reserved food products, chief cell organelles. Reproductive diversity, life history patterns and alternation of generations, origin, evolution, inter-relationships, applied phycological studies specially in relation to Soil fertility (biofertilizers), Productivities in fresh and marine waters, Symbiotic algae, role of algae in water pollution, algal blooms, fossil algae, cyanophages.

Unit-II : A systematic study of thallus organization, reproduction, phylogeny and interrelationships of the principal classes of algae with the help of the under mentioned types.

  • Cyanophyceae :
  • Chroococales - Microcystis
  • Nostocales - Oscillatoria, Lyngbya, Nostoc, Anabaena, Gloeotrichia,Scytonema
  • Stigonematales – Stigonema
  • Prochlorophyceae – Prochloron
  • Chlorophyceae :
  • Volvocales – Chlamydomonas, Gonium, Pandorina, Eudorina, Volvox
  • Chlorococcales – Chlorococcum, Chlorella, Oocystis, Pediastrum,Hjydrodictyon, Scenedesmus.
  • Ulotrichales – Uronema, Schizomeris, Microspora, Enteromorpha, Ulva Prasiola, Sphaeroplea.
  • Cladophorales – Cladophora, Pithophora, Rhizoclonium
  • Chaetophorales – Chaetophora, Stigeoclonium Fritschiella, Draparnaldiopsis, Trentepohlia
  • Oedogoniales – Odeogonium, Bulbochaete, Oedocladium
  • Conjugales – Zygnema, Mougeotia, Sirogonium, Cosmarium, Closterium
  • Slphonales – Protosiphon, Bryopsis, Caulterpa, Codium, Valonia
  • Charales – Chara
  • Xanthopyceae :
  • Heteroslphonales – Botrydium, Vaucheria
  • Bacillariophyceae :
  • Pennales – Navicula
  • Centrales – Melosira

Unit-III: Phaeophyceae :

  • Ectocarpales – Ectocarpus, Pylaiella
  • Sphacelarials – Sphacelaria
  • Dictyotales – Dictyota, Padina
  • Cutleriales – Cutleria
  • Laminariales – Laminaria
  • Fucales – Fucus, Sargassum
  • Rhodophyceae :
  • Nemolionales – Batrachospermum
  • Gelidiales – Gelidium
  • Cryptonemiales – Corallina
  • Gigartinales – Gracilaria
  • Rhodomeniales – Champia
  • Ceraminales – Polysiphonia

Unit-IV:

  • Lichens:  A general account of Lichens and its symbionts, thallus structure, reproduction, physiology, classification and distribution, Chemistry of Lichens, Isolation of symbionts and synthesis of thallus, Economic importance Study types : Dermatocarpon, Cladonia, Parmelia, Usnea, Heterodermia.
  • Microscopy: Compound (Bright and Dark field), Phase contrast, Fluoresecence, Ultra violet and Infra Red, Stereoscopic, Scanning and Transmission Electron Microscopy.
  • Culture Techniques: Culture methods pertaining to various lower groups (Algae, Fungi, Bacteria, Bryophytes)

Paper - IV  Bryophytes

Unit-I:

  • General characteristics, life cycle and broad outline classification of bryophytes. Ecology, Physiology and Reproductive biology of Bryophytes. Endemism and endemic liverwort genera of India. Bryophytes as indicator of mineral enrichment and environmental pollution. Spore- diversity, development, dispersal and germination. Moss protonema, protonemal differentiation and bud induction.

Unit-II: MUSCI

Characteristic features, criteria of classification, range of gametophytic and sporophytic organization (morphology, anatomy and their distribution in India) in various orders/families of the classes:

  • Sphagnales - Sphagnum
  • Andreaeales - Andreaea
  • Takakiales - Takakia
  • Buxbaumiales - Buxbaumia
  • Bryales - Physcomitrium, Fontinalis, Splachnum
  • Polytrichales - Polytrichum

Unit- III: Hepaticae:

Characteristic features, criteria of classification, range of gametophytic and sporophytic organization (morphology, anatomy and their distribution in India) in various orders/families of the classes:

  • Calobryales - Calobryum, Haplomitrium
  • Metzgeriales - Pallavicinia, Riccardia, Metzgeria
  • Jungermanniales - Jungermannia, Porella, Ptychanthus, Radula
  • Sphaerocarpales - Riella, Sphaerocarpous
  • Monocleales - Monoclea
  • Marchantiales - Reboulia,Plagiochasma, Asterella, Lunularia,
  • Dumortiera, , Targionia, Cyathodium

Unit – IV: Anthocerotae

Characteristic features, criteria of classification, range of gametophytic and sporophytic organization (morphology, anatomy and their distribution in India) in various orders/families of the classes:

  • Anthocerotaceae - Anthoceros, Folioceros
  • Notothylaceae - Notothylas
  • Dendrocerotaceae - Dendroceros, Megaceros
  • Origin, evolution, fossil history, phylogeny of principal classes: Hepaticae, Musci, and Anthocerotae.

Semester - II

Paper - V   Pteridophytes

Unit-I:

  • Past and present distribution of ferns, Ecology of Pteridophytes, Origin and evolution, Cytology in relation to taxonomy; Evolution of stellar systeml Evolution of sorus, Heterospory and seed habit, Telome theory, Apogamy, Apospory and Alternation of generation.

Unit- II : Classification, morphology, life history, present and past distribution and phylogeny of the following:

  • Rhyniopsida - Rhynia, Horneophyton, Cooksonia, Hicklingia, Eogaspesia, Taeniocrada, Hedeia, Yarravia, Hostimella, Nothia, Trimerophyton and Dawsonites
  • Psilotopsida - Psilotum and Tmesipteris
  • Lycopsida: Asteroxylales - Asteroxylons, Zosterophyllum and Baragwanthia
    • Lycopodiales - Lycopodium and Phylloglossum
    • Protolepidodendrales - Protolepidodendron and Cepodexylon
    • Selaginellaes - Selaginella
    • Lepidodendrales - Lepidodendron, Sigillaria, Bothrodendron and Lipidophloion
    • Isoetales - Isoetes, Stylites, Pleuromeia and Nat-barstiana
  • Equisetopsida:
    • Hyeniales - Hyenia
    • Pseudoborniales - Pseudobornia
    • Sphenophyllales - Sphenophyllum and Cheirostrobus
    • Calamitales - Calamites, Asterocalamites, Annularia, Asterophyllites,
    • Calamostachyus, Pallaeostachya and Calamocarpon
    • Equisetales - Equisetum

Unit-III:

  • Primofilices:
    • Protopteridales - Protopteridium, Aneurophyton and Rhacophyton
    • Zygopteridales - Zygopteris, Amkyropteris, Botryopteris and Strautopteris
    • Cladolylales - Cladoxylon, Pseudosporochus and Calamophyton
  • Filicopsida
  • Eusporangiatae:
    • Ophioglossales - Ophiolossum, Botrychium and helminthostachys
    • Marattiales - Marattia, Angiopteris, Marattiopsis and Psaronium
  • Protoleptosporangiatae:
    • Osmundales - Osmunda, Todea, Thamnopteris, Osmundites and
    • Cladophelbis

Unit-IV:  Leptosporangiatae:

  • Schizaeales - Anemia, Schizaea, Lygodium
  • Pteridales - Pteris, Adiantum, Ceratopteris and Actinopteris
  • Dicksoniales - Dicksonia, Pteridium Lindsaea, Dennstaedtia
  • Davalliales - Davallia, Nephrolepis
  • Hymenophyllales - Hymenophyllum, Trichomanes
  • Gleicheniales - Gleichenia, Geschenites, Stromatopteris
  • Matoniales - Matonia, matonidium
  • Cyatheales - Cyathea, Alsophila
  • Aspidiales - Asplenium, Athyrium, Dryopteris, Tectaria
  • Blechnales - Blechnum
  • Polypodiales - Dipteris, Polypodium
  • Marsileales - Marsilea, Regnellidium, Pilularia
  • Salviniales - Salvinia, Azolla

Paper - VI  Gymnosperms and Palaeobotany

Unit-I:

  • Evolutionary tendencies in Gymnosperms. Origin, relationship and economic importance of Gymnosperms, Embryology of Gymnosperms and its relevance to Forest Genetics, Silviculture and Taxonomy Classification past and present, distribution of Gymnosperms with special reference to India. A study of their morphology, structure, life history, interrelationship and phylogeny of the following:

Unit- II: Cycadopsida

Pteridospermales - A general account, affinities and interrelationship of the different families and members of the order

  • Lyginopteridaceae - Lyginopteris, Heterangium, Rhetinangium,
  • Sphenepteris, Kaloxylon, Rachriopteris,
  • Lagenostoma, Sphaerostoma, Genomosperma,
  • Physostoma, Telangium, Crosstheca
  • Medullosaceae - Medullosa, Sutcliffa, Myiloxylon, Neuropteris,
  • Althopteris, Trigonocarpus, Stophanospermum,
  • Codonotheca, Whittlesseya, Aulacotheca,
  • Dolerotheca, Potoniea
  • Glossopteridaceae - Glossopteris, Gangamopteris, Palaeovittaria,
  • Rhabdotacenia, Vertabraria, Scutum, Hirsutum,
  • Lanceolatus, Ottokaria, Cistella, Plums, Lidgettonia
  • Peltaspermaceae - Lepidopteris, Pellaspermum, Antevsia
  • Corystospermaceae - Dicroidium, Xylopteris, Umkomasia,
  • Spermatocodon, Pilophorsperma, Pteruchus
  • Caytoniaceae - Sagenopteris, Caytonia, Caytonanthus
  • Cycadales - A general account of living and fossil Cycadales,
  • their geographical distribution along with its
  • significance and evolutionary tendencies and
  • cytogenetics, cultural studies as well as economic
  • importance.
  • Nilssonioles - Nilssonia, Ctenis, Pseudoctenis, Baenia,
  • Androstrobus
  • Cycadeoideales
    • Bennettitales - A general account of the order with affinities and
    • interrelationship of the following:
    • Williamsoniaceae - Williamsonia, Ptilophyllum, Pterophyllum,
    • Otozamites, Dictyozamites, Bennetticarpus
    • Weltrichia.
    • Wielandiellaceae - Wielandiella, Anomzamites, Williamsoniella,
    • Nilssoniopteris along with their fructification.
    • Cycadeoideaceae - Cycadeoidea (Bennittites)
    • Pentoxylales - A general account of Pentoxylales Pentoxylon,
    • Nipaniophyllum, Carnoconites, Sahinia.

Unit-III: Conlferopsida

  • Cordaitales - A general account of the order with its different families and genera
  • Eristophylaceae - Eristophyton, Endoxylon, Bilignea
  • Cordaitaceae - Cordaites, Noeggerathiopsis, Mesoxylon,
  • Dadoxylon, Metacordaites, Perapitys, Artisia,
  • Amyelon, Cordaitanthus, Cardiocarpus
  • Poroxylaceae - Poroxylon, Rhabdospermum
  • Ginkgoales
    • Trichopityaceae - Trichopitys
    • Ginkgoaceae - Ginkgo, Baiera, Sphenobaiera, Ginkgoites,
    • Arctobaiera, Windwardia, Ertophyllum
    • Coniferales - The past and present distribution of conifers with special reference to origin and distribution of coniferous flora of India. Evolutionary trends in conifers. The morphology and evolution of megastrobilus and cone-scale complex.
    • Lebachiaceae - Lebachia, Ernestiodendron, Walahia,
    • Walchoistrobus, Carpentieria, Buriadia
    • Voltziaceae - Pseudovoltizia, Voltziopsis, Ullmania
    • Palissyaceae - Pallisya, Stachyotaxus
    • Pinaceae - Pinus, Cedrus, Abies, Pseudotsuga, Picea, Larix
    • Araucariaceae - Araucaria, Agathis, Wolemia
    • Taxodiaceae - Taxodium, Cryptomeria, Sequoia, Sequoiadendron,
    • Metasequoia, Sciadopitys
    • Cupressaceae - Cupressus, Thuja, Juniperus
    • Podocarpaceae - Podocarlpus, Saxegothaea, Phyllocladus,
    • Dacrydium, Microcachrys, Acmophyle
    • Taxales - Palaeotaxus, Taxus, Austrotaxus, Pseudotaxus,
    • Torreya, Amentotaxus

Unit-IV: Gnetopsida

  • Ephedrales - Ephedra
  • Gnetales - Gnetum
  • Welwitschiales - Welwitschia
  • Palaeobotany
    • Plant fossils, their methods of preservation, investigation and their importance in Stratigraphy and economic geology. A study of the standard stratigraphic scale an the succession of representative floras in the various geological epochs and their bearing on plant morphology and evolution.

Paper - VII  Angiosperms: Plant Development and Reproduction

Unit- I: Development of Root:

Organization of RAM, cell fates, Differentiations of vascular tissue, Formation of  aerial roots, root hairs Development of shoot:

  • Cytological analysis of Sam, Growth and differentiation of shoot
  • Tissue differentiation especially Cambium, Xylem and Phloem
  • Formation of secretary ducts, Laticifers
  • Wood structure and development
  • Leaf growth and differentiation, Venation and differentiation of mesophyll
  • Determination of phyllotaxy
  • Differentiation of epidermis with special reference to cuticle, stomata and trichomes.

Unit- II: General Morphology and reproductive parts

  • Floral meristem
  • Formation of floral organs, floral Development
  • Genetics of floral organ differentiation, origin of Epigyny
  • Homeotic mutants in Arabidopsis and Antirrhinum
  • Evolution of Angiosperm flower

Unit- III:

  • Microsporogenesis, Tapetum, Microgametogenesis
  • Pollen -Pistil interaction, Pollination mechanism and its control, Male sterility
  • Megasporogenesis, Structure of ovule, organization of embryosac, gene function during mrgagametogenesis
  • Sexual incompatibility, Barriers to fertilization, Pollentube structure and growth,
  • Methods of overcoming incompatibility
  • Double Fertilization, Development of Endosperm- its types and Haustoria
  • Embryogenesis
  • Polyembryony, Apomixis- causes, classification and applications

Unit-IV: Structure and growth of fruit and seed Experimental and applied embryology Morphogenetic Phenomenon- Symmetry, Polarity, Correlation Differentiation and Totipotency

 

Semester-III:

Paper - I  Angiosperms: Taxonomy, Economic Botany and Morphology

Unit-I :

  • Principles of systematics, Phenetic versus Phylogenetic system: Relative merits and demerits of major systems of classification viz. Benthan & Hooker, Engler & Prantl, Hutchionson, and Cronquist, Dahlgren and Thorne ICBN (History, Principles and Applications) Relevance of Taxonomy, Species Concept: Various models Phytogeography with special reference to discontinuous areas, endemism, Hotspots and hottest Hotspots

Unit- II:

  • Taxonomy as a synthetic discipline, Modern tools of taxonomy: Morphology, Anatomy, Cytology, Photochemistry, embryology, Palynology, Ultra structure, Genome Analysis, Nucleic Acid Hybridization and GIS; Evolution of Angiosperms.

Unit-III:

Comparative study of interrelationship in dicots and monocots, Interesting taxonomic features and phylogeny of the following Dicot and Monocot families:

  • Dicots: Ranunculaceae, Caryophyllaceae, Tiliaceae, Malvaceae, Cucurbitaceae, Brassicaceae, Capparaceae, Rosaceae, Apiaceae, Amaranathaceae, Euphorbiaceae Mimosaceae, Caesalpiniaceae, Fabaceae, Asclepiadaceae, Rubiaceae, Asteraceae, Acanthaceae, Scrophulariaceae, Polygonaceae.
  • Monocots: Cyperaceae, Poaceae, Lilaceae, Orchidaceae, Arecaceae, Commelinaceae, Zingiberaceae.

Unit-IV

  • Origin, Cultivation and improvement of major crops viz. Wheat, Rice, Maize, Pearl Millet and sorghum General account of pulses along with their economic uses Sugars, Starches (Sugarcane, Potato, Sweet Potato)
  • Fibres: Extraction and utility of cotton, Jute, coir and Paper making fibres Morphological identification of Pharmacognostic/anatomic characterization of major woods fats, oils, medicinal plants, petrocrops and beverages (at least 10 examples of each class of product be given)

Paper - II  Environment, Ecology and plant-soil relationship

Unit-I:

  • Environmental Botany: Environmental pollution, the problems and its causes and prevention, indicator plants (pollution of air, water and soil, radioactivity and noise) Modern Environmental problems- Acid rain, Ozone depletion and Green house effect.

Unit-II:

  • Plant ecology, Plant responses to environmental factors (climate, edaphic, Biotic, topographic and geographic factors. Ecosystems- The concept, ecosystem component and major ecosystem of the world. Ecosystem functioning. Community dynamics-successional changes.

Unit-III :

  • Study of plant communities (quantitative an qualitative), characteristics of communities, methods of study and classification of plant communities. Population dynamics, principles of population regulation. Phytogeography: Vegetational zone, Important forest types of India. Interpretative phytogeography: Principles and concepts of plant distribution.

Unit-IV:

  • Soil: Soil and natural medium for plant growth. Origin of soil, Minerals as a source of plant nutrients. Soil forming process and its impact on soil profile development. Properties of soils, ion exchange, calcareousness, salinity, sodicity. Organic matter, Soil fertility: Concept, basic methods of fertility evaluation and maintenance. Soil types of India.

Paper -  III  Cytology, Genetics and Cytogenetics

Unit-I: Genome –Basic concept and organization

  • Chromosome structure, nucleosome, solenoid and packaging of DNA, molecularorganization of centromere and telomere, nucleolus and ribosomal RNA genes,euchromatin and heterochromatin, karyotype analysis, banding patterns, karyotypeevolution, specialized chromosomes—polytene chromosomes, lampbrushchromosomes, B chromosomes
  • Nuclear DNA content, C-value paradox, multigene families and their evolution,Structure and Properties of Nucleic acids: Structure, Chemical, Physical, Spectroscopic and thermal properties of nucleic acids. Dissociation andreassociation kinetics of DNA, Cot curves, Cot ½ values and its significance.Unique, moderately repetitive and highly repetitive DNA, conformation of nucleicacids. (A, B, Z DNA, t-RNA, micro RNA) , DNA sequencing and amplification,molecular genetic maps, genome projects
  • In situ hybridization to locate transcripts in cells—FISH, GISH, Computerassisted chromosome analysis, chromosome microdissection and microcloning,flow cytometry and confocal microscopy in karyotype analysis
  • Genetic Fine Structure, cis-trans test, Fine structure analysis in eukaryotes
  • Allele concept, multiple alleles, isoalleles, pseudoalleles

Unit-II: Inheritance Genetics

  • Principles of Mendelian inheritance and Interaction of genes: Introduction topre Mendelian, Mendelian and Post Mendelian genetics. Complementary,epistasis, inhibitory, Duplicate, Polymeric, Lethal and additive interaction ofgenes.
  • Cytoplasmic inheritance: - Cytoplasmic inheritance involving chloroplast(Mirabilis jalapa, Zea mays) and Mitochondria (petite yeasts and cytoplasmicmale sterility in higher plants), mitochondrial and chloroplast genomes,interaction between nuclear and cytoplasmic genes. (Rubisco and Cytochromeoxidase)
  • Quantitative Inheritance: Qualitative and Quantitative traits, Continuousvariation, Inheritance of quantitative traits, (corolla length in Nicotiana, coblength in Zea mays), multiple factors hypothesis and heritability.
  • Population genetics: -Gene and genotype frequencies, Hardy-Weinberg law,Factors affecting Hardy-Weinberg equilibrium (selection, mutation, migrationand genetic drift)

Unit-III: Cytogenetics and induced variation

  • Structural changes in chromosomes: Origin, meiosis and breeding behaviour ofduplication, deficiency, inversion and translocation heterozygotes. Cytologicalconsequences of crossing over in Inversion and translocation heterozygotesGenetics of structural heterozygotes, complex translocation heterozygotes,Robertsonian translocations, B-A translocations
  • Numerical alterations in chromosomes: Origin, occurrence and meiosis ofhaploids, aneuploids and euploids. Origin and production of autopolyploids,chromosome and chromatid separation, allopolyploids. Induction andcharacterization of trisomics and monosomics. Transmission of trisomics and monosomics.
  • Recombination and Linkage: - Concept of Linkage, Types and Applications,Concept and Types of Recombination, Molecular mechanism of recombination,site specific recombination estimation of recombination percentages and mapdistances,Gene mapping in Fungi using ordered and unordered tetrads of Neurospora Three point test crosses and estimation of linkage distances in plants. Gene maps and physical maps.
  • Mutation—Spontaneous and induced mutation, physical and chemical mutagens,molecular basis of mutations, transposable elements in prokaryotes andeukaryotes, site directed mutageneis, DNA damage and repair mechanism- Typesof DNA damage, enzymes involved in repair of DNA, excision repair, recombination repair and mismatch repair systems.

Unit- IV: Molecular Genetics

  • Cell Cycle and apoptosis: Control mechanisms, role of cyclins and cyclindependent kinases, mechanism of programmed cell death
  • Genetic Code
  • Gene Structure: Organization and Structure of prokaryotic and eukaryotic genes; structure and role of promoters, exons, introns, terminators and enhancers.
  • DNA Replication: - Mechanism of prokaryotic and eukaryotic DNA replication, replication apparatus, Origins of replication, priming and DNA polymerases.
  • Transcription: RNA polymerases and their role, Transcription apparatus,Transcription in prokaryotes and eukaryotes, Initiation, elongation and termination, RNA processing, reverse transcription and cDNA synthesis,Ribonucleoproteins, Structure of mRNA.
  • Regulation of Transcription in prokaryotes and eukaryotes: Operon concept(Lac, Tryptophan, Arabinose) positive and negative regulation of prokaryoticgenes, eukaryotic transcription factors. ranscriptional and translational control

Paper –IV : Plant Breeding And Biostatistics

Unit-I: Plant Genetic resources and reproductive systems

  • Plant Genetic resources: Genetic diversity in plants, Penetrance and Expressivity,Pleiotropy, Centres of origin, Importance of genetic diversity  in crop improvementand its erosion, Collection and evaluation of germplasm, Concepts of cropconservation and regulation. in situ and ex situ conservation
  • Competition in natural populations, Inter genotype competition, Environmentalvariation
  • Heritability-definition and types, Estimates of heritability
  • Reproductive systems and Pollination control mechanisms: Sexual reproduction(Cross and self pollination), asexual reproduction, Apomixis, identification ofapomictic plants, Genetics of Apomixis
  • Incompatibility and Male sterility: Genetic, physiological and biochemical basis of incompatability, Utility of self incompatablity, Evolution of incompatabilitymechanism; Genetic and Cytoplasmic male sterility

Unit-II: Hybrid breeding

  • Hybridization and its role, Principles of combination breeding and its application.
  • Hybrid breeding in self and cross-pollinated crops. Development of hybrids, Useof male sterility in development of hybrids,
  • Testing of combining ability, prediction of performance of hybrids- single crosshybrid, three way cross hybrid, double cross hybrid, Multiple crosses –compositecross breeding,
  • Back cross method of breeding-theory of transfer of alleles
  • Protoplast fusion
  • Heterosis, Theories of heterosis, Environmental heterosis, Inbreeding depression
  • Methods of direct gene transfer, QTL Analysis and Marker assisted selection

Unit-III: Breeding methods and their contributions

  • Breeding methods in self fertilizing species –Pedigree method, bulk method,single seed descent, dihaploidy, Genotype assessment, recurrent selection ,reciprocal recurrent selection
  • Breeding methods in cross fertilizing species-Mass selection, family selection,combined selection, inter population selection schemes
  • Factors affecting efficiency of breeding methods
  • Breeding methods of important crop plants e.g. wheat, rice
  • Role of mutation in Plant Breeding, generation of variability using mutagens and isolation of useful mutants and their achievements• Role of polyploids in crop improvement , Biometrical genetics of autotetraploidsand their achievements

Unit- IV: Biostatistical methods

  • Importance and scope of Biostatistics
  • Statistical terms and symbols
  • Sample and sampling, Collection and representation of date-tabulation, graphical, diagrammatic
  • asures of Central tendency
  • Measures of dispersion: range, mean deviation, Standard deviation, Variance, Deviation
  • Correlation and regression
  • Tests of significance: Significance and difference in means, Standard error of  mean, Standard error of SD, Students ‘t’ test
  • Chi-square test
  • Correlation and regression - Meaning, kinds of correlation, coefficient of  correlation, methods of studying correlation. Aims of regression analysis. Kinds of regression analysis.

Semester - IV

Paper –V  Plant Physiology

Unit-I: Water metabolism:

  • Cell osmotic quantities-osmosis, osmotic potential, water potential Mechanism of water uptake and translocation- water absorption by roots, root pressure and turgor pressure. Phloem loading and unloading Tarnspiration and its regulation: Stoamatal opening and closing. Photosynthesis: general aspects and historical background. Action spectra, organization of photosynthesis apparatus, pigments and light harvesting complexes. Photolysis of water, Meachanism of electron transport- structure and functions of components of Photosystem I and II. Role of peoxiredoxins. Photophosphorylation, Protom transport and ATP synthesis in chloroplast- ATP synthetase.
  • Carbon assimilation: Calvin cycle and its regulation, RUBISCO, Photorespiration (C 2 Cycle) and C 4 cycle and their regulation. CAM pathway, Photosynthetic responses to light, CO2 and Temperature. Synthesis of Starch and Sucrose.

Unit- II: Respiration:

  •  Aerobic and anaerobic respiration. Glycolysis, Kreb’s Cycle and their regulation. Substrate level Phosphorylation. Alternate Glycolytic reaction (Gluconeogenesis). Pentose phosphate Pathway. Glyoxylate cycle. Electron Transport System and ATP synthesis- NADPH DH in plant mitochondria, F1-F0 ATPase, Alternate oxidase system. Chlororespiration. Lipid Metabolism: Synthesis of fatty acids (saturated and unsaturated) and lipids (phospholipids). Fatty acid degradation- α, β and ω oxidation.

Unit-III: Mineral Nutrition:

  • Essential and Beneficial elements. Role and deficiency effects od essential nutrient elements. Stress Physiology: Plant responses to abiotic stress. Stress Proteins (HSP, LEA). Water deficit and drought, heat, chilling and freezing, salinity, light and anoxia stress. Oxidative stress- reactive oxygen and nitrogen species, antioxidative defense system. Sulphur metabolism: Sulphate uptake and its assimilation.

Unit- IV: Flowering:

  • Floral evocation, Florigen concept, circadian rhythms,. Photoperiodism and its regulation. Vernalization. Phytochrome and its functions. Apical dominance, abscission, dormancy (bud and seed), seed germination and Senescence. Plant movements. Nitrogen metabolism: Biological nitrogen fixation-free living and symbiotic organisms, nitrogenase enzyme complex, nodule formation and nod factors. Mechanism of nitrate reduction-nitrate and nitrite reductase. Ammonia assimilation.

Paper –VI  Cell Biology and Plant Biochemistry

Unit-I: Cell structure and function:

  • Structural organization of cell, the cytoskeleton, organization of microtubules and microfilaments, plasmadesmata. Cell organelles (microbodies, Golgi apparatus, Lysosomes, endoplasmic reticulum, vacuole, ribosomes, nucleus, chloroplast, mitochondria). Plant membranes and membrane transport. Cell wall, Plasma membrane and their structural models and functions.  Active and Passive uptake of ions- facilitated diffusion, primary and secondary active transport, ion carriers, channel proteins and pumps (Na+/K+ and Ca 2+ pumps). Membrane transport proteins- Plasma membrane H+- ATPase, vacuolar H+-ATPase and H+ pyrophosphatases.

Unit –II: Plant growth regulators:

  • Structure, function, synthesis, cellular and molecular mecahanism of action of auxins. Gibberellins, Cytokinins, Ethylene, Abscisic acid, brasssinosteroids, Polyamines, Jasmonic acid and salicyclic acid.

 Unit-III: Macromolecules:

  • Structures and functions of carbohydrates, Amino acids, Proteins, Lipids and Nucleic acid. Secondary metabolites and their function: Cutins, Suberins, Lignin, Anthocyanins, Chalcones, Isoflavones, Stilbenes, terpenes, Sterols. Nitrogen containing compounds- alakaloids, Cyanogenic glycosides, Glucosinolates, Non- protein amini acids. Biosynthesis of phenylalanine, tyrosine and tryptophan (Shikimic acid pathway), terpenes (acetate mevalonate pathway) and phenylpropanoids (acetate malonate pathway).

Unit- IV: Enzymes:

  • General aspects, classification, mode of action, allosteric mecahanism, regulation, Active sites, reversible and irreversible enzyme inhibition. Enzyme kinetics and Michaelis- Menton equation. Signal transduction: Overview, role of membranes, receptors and G- proteins, Ca-calmodulin, phospholipid signaling, cyclic nucleotides- adenyl cyclase. Protein kinasesreceptor like protein kinase (RLKs), mitogen activated protein kinase (MPAK), cyclin dependent protein kinase (CDK). Protein phosphatase, Auxin, GA and ABA signal transduction.

Paper –VII  Biotechnology and Analytical Techniques

Unit-I: Plant cell and tissue culture

  • Plant Cell and Tissue culture: Introduction, history, scope, concept of cellulardifferentiation, totipotency
  • Culture media and laboratory requirements
  • Micropropagation-Organogensis and embryogenesis, Bioreactors, Embryo rescue, Endosperm, nucellus culture
  • Somaclonal variation---applications and reasons for generation
  • Somatic hybridization –protoplast culture, regeneration and somatic hybridization, cybrids
  • Production and uses of haploids
  • Applications of plant tissue culture

Unit-II: Genetic Engineering

  • Cloning vectors (plasmid and bacteriophage vectors, cosmids BAC and YACs.and Enzymes (restriction endonucleases, polymerases, reverse transcriptase,alkaline phosphatase, polynucleotide kinase, Ligases, terminal transferases)
  • DNA cloning, preparation of plasmid DNA, Restriction and electrophoresis, ligation, transformation and analysis of recombinants.
  • Methods of direct and indirect gene transfer in plants, Agrobacterium, Ti and Riplasmids, application of genetic engineering, transgenic plants for pest anddisease resistance, abiotic stress tolerance, production of useful products.
  • Principles and methods of Genetic Engineering, Gene libraries and cDNAlibraries, Polymerase chain reaction, DNA fingerprinting, DNA Synthesis, DNA Sequencing, Southern blotting, RAPD, RFLP,  Restriction mapping.
  • Introduction to Genomics, Proteomics and Bioinformatics.

Unit-III: Biotechnology and Human welfare

  • Applications of genetically engineered bacteria in crop production andprotection, biodegradation of xenobiotics and toxic wastes, production ofchemicals and fuels
  • Biopesticides and integrated pest management, Biofertilizers, Organic farming
  • Biotechnology in pollution control and phytoremediation
  • Restoration of degraded land –Development of stress tolerant plants, microbes for improving soil fertility
  • Intellectual Property rights and Protection—brief introduction
  • Patenting of Biological material and its implications
  • Ethics in biotechnological research

Unit- IV: Instrumentation and analytical techniques:

  • Microscopy: - Simple, Compound, Phase contrast, Fluorescence, Electron (SEMand TEM) microscopy, Micrometry
  • Centrifugation: - Rotors, Bench top, Low speed, High speed, Cooling,Ultracentrifuge. Electrophoresis: - Native, Denaturing, Isoelectric focusing, 2 D Electrophoresis.
  • Spectroscopy: - UV, Visible, IR, Raman, Spectroflurometry, Mass, AAS, NMR,
  • ESR Radioactivity: - GM counting, Scintillation counting, Autoradiography.
  • Chromatography: - Paper, TLC, Column, Gel Filtration, Affinity, Ion Exchange,
  • HPLC, GC.
  • Microtomy
  • DNA Chip technology and Microarrays
  • Mass Spectrometry for genome and proteome analysis
  • Biosensors
  • Bioinformatics-history, data mining, limitations
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