Infectious Micro-organisms Flashcards
General bacteria structure and characteristics
Unicellular O.5-5um Has cell membrane and wall Normal cytoplasm Free-floating nuclear material May have: - slime capsule/pili/flagellae
How do bacteria reproduce
Binary fission
Some produce endospores
Leptospia canicola characteristics
G-ve
Spirochete
Salmonella spp. Characteristics
G-ve
Bacillus
Campylobacter spp. Characteristics
G-ve
Curved bacillus
(Vibrio)
Borrellia Burgdorferi characteristics
G-ve
Flattened spirochete
Clostridium tetanai characteristics
G+ve
Bacilli
Brucella spp. Characteristics
G-ve
Coccobacilli
Psittacosis characteristics
G-ve
Cocci
Staph and strep spp. Characteristics
G+ve
Cocci
Escherichia coli characteristics
G-ve
Bacillus
Virus general characteristics and structure
20-300nm
Protein capsid containing nucleic acid
Only replicate w/in host cell
Stop cell functioning
Fungi size
3um - very large
Moulds structure and characteristics
Filamentous
Multicellular
Produces spores (hyphae)
Sexual/asexual reproduction
Example of mould
Microsprum spp.
Yeast structure and characteristics
Rounded
Unicellular
Reproduce through budding
Examples of yeasts (2)
Candida albicans
Malassezia pachydermatitis
Protozoan structure and characteristics
10-20um Unicellular Complex structure No cell wall Membrane bound nucleus Some are parasitic
Examples of Protozoa (3)
Giardia spp.
Toxoplasma gondii
Cryptosporidium parvum
Condition caused by infection with ringworm
2 causal agents
Dermatophyotsis
Microsporum spp.
Trichophyton spp.
G-ve bacteria (5)
Salmonella E. Coli Leptospira Campylobacter B. Burgdorferi
G+ve bacteria (3)
Staph
Strep
Clostridium tetani