World Of Microbes
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Bacteria length and width
1 to 10um length 0.2 to 1 um width
Bacteria may be motile or non motile . _____are found on the cell surface for motility
Flagella
First microbiologist designed his own microscope
Antonie van leeuwenhoek
Site of protein synthesis in bacteria
Ribosomes
The term virus is from
Latin Venomous fluid
Virus wide range from
18-400nm
Plant virus
Tobacco mosaic virus, cauliflower mosaic virus , potato virus
Animal virus
Adenovirus Retrovirus HIV influenza virus, Polio virus
Bacteriophage
T4 bacteriophage
Fungi
Lack in chlorophyll Living host - parasite Dead host - saprospites
S single cell yeast ranges from
1-5um in width
The body of fungus
Thallus—–mycelium—–hyphae Each hyphae is 5 to 10 um width
Cell wall of fungus made up of
Cellulose or chitin
Foot material is stored in the form of
Glycogen or oil globules
Fungus reproduce
Vegetative-binary fission budding fragmentation Sexually - antheridium, oogonium Asexual- spore formation - conidia
Ther term prion was coined by
Stanley B. Prusiner 1982
Prions are viral particle which contains only
Protein
Priyansh induce change in normal protein . this result in
Degeneration of nervous tissue
Nitrogen fixation Free living Symbiotic
Free living - azotobacter,nostoc Symbiotic - rhizobium,frankia
The protein free pathogenic RNA of virus is
Viroids Found in plant and cause disease in plant
Biopesticide
Bacillus thuringiensis BT
Production of fermented beverage
Saccharomyces cerevisiae
BT is a species of bacteria that produce a protein called
Cry protein
Curing of coffee bean, tea leaves and tobacco leaves
Bacillus megaterium It gives special aroma