1. Introduction to Bacterial Taxonomy مقدمة في تصنيف البكتيريا

Taxonomy:
l) Definition of Taxonomy
ll) Nomenclature
lll) Scheme of medical bacteria
l) Taxon=group (s)= classification: The science of biological classification.
Domain - Kingdom - Phylum - Class - Order - Family - Genus - Species - Strain
Species: a collection of strain that share many stable properties.
Genus: one or more species that share common properties.
ll) Nomenclature: Genus+Species (ex: Escherichia coli)
lll) Scheme of medical bacteria according shape to: Cocci, Bacilli, Spiral, Miscellaneous
Cocci: G+ve (Staphylococci, Streptococci, Enterococci), G-ve (Diplococci).
Bacilli: G+ve (C. diphtheriae, Listeria, Lactobacilli, Bacillus, Clostridium), G-ve (Enterobacteriaceae, Vibrio, Campylobacter, Helicobacter, Pseudomonas, Haemophilus, Bordertella, Brucella, Legionella, G-ve anaerobic), No stain ZN stain (TB)
Spiral: Treponema, Borrelia, Leptospira
Miscellaneous group: No cell wall, not stain by Gram, Obligate intracellular, Mycoplasma, Chlamydia, Rickettsia, Coxiella, Actinomycetes.
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