To enable students to- • To learn about classification and structure of viruses. • To know about general methods of diagnosis and serology. • Know about bacteriophages. • To understand algae and fungi.
Brief outline on discovery of viruses, nomenclature and classification of viruses : distinctive properties of viruses; morphology & ultra structure; capsids & their arrangements; types of envelops and their composition-viral genome, their types and structures; virus related agents (viroids, prions)
Cultivation of viruses in embryonated eggs, experimental animals , cell cultures; Primary & secondary cell cultures; suspension cell cultures and monolayer cell cultures; cell lines and transgenic systems; serological methods - heamagglutination & HAU; compliment fixation ;immunofluorescenemethods, ELISA and Radioimmunoassay; assay of viruses physical and chemical methods (Protein, nucleic acid, radioactivity, trackers, electron microscopy)-Infectivity assay (plaque method, end point method)- Infectivity of plant viruses.
An overview of replicative cycle of animal viruses
Plant viruses: Effect of viruses on plants, Appearance of plants; histology, physiology and cytology of plants; common virus disease of plants eg. paddy (Rice Tungro, Rice Hozablanca), tomato(Tomato Yellow Leaf Curl, Tomato Mottle) and sugarcane (Sugarcane Mosaic); Transmission of plant virus with vectors (insects, nematodes, fungi) and without vectors (contact, seed and pollens), Prevention of crop loss due to virus infection- virus free planting material; vector control.
An introduction to Algae, General features and classification of algae. Occurrence, thallus organization and reproduction in chlorophyceae euglenophyceae, phaeophyceae, pyrrophyceae and diatoms. Algal ecology & biotechnology. Economic importance of algae. Lichen, ascolichen, basidiolichen.
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