Bacteria Flashcards
Bacteria diameter and length
0.2-2 micrometers diameter
2-10 micrometers length
Capsules made of
Polysaccharides and proteins
Gram positive
retains dye
Gram negative
loses dye easily because it has phospholipid bilayer
Gram negative are more
infectious and resistant
Monotrichous
Single flagellum
Lophotrichous
Two or more flagellum
Amphitrichous
Flagellum at both ends
Petritrichous
Flagellum All over
Atrichous
no flagellum
Cocci characteristics and examples
Spherical non motile no flagellum
Diplococci and Streptococci
Bacilli characterizistics and examples
Rod shaped
Typhoid (salmonella typhi)
Tetanus (Clostridium tetani)
Spirilla
Never form colonies
Spirochetes anf vibrios (incomplete twist)
E coli used for
Gene cloning
Golden rice
Agrobacterium tumefaciens
Cholera
Vibrio cholera (gram neg)
Typhoid
Salmonella typhi (neg)
Tuberculosis
Mycobacterium tuberculosis (pos)
Pneumonia
Streptococcus pneumoniae (neg)
Bacterial leaf spots
Pseudomonas spp
Xanthomonas spp
Bacterial wilt
Ralstonia solanacearum
Bacterial soft rot
Pectobactedium carotovorium
Dickeya dadantii
Bacterial galls
Agrobacterium tumefaciens
Bacterial blights
Bean = Phaseoli
Cotton = Malvacearum
Rice = Oryzae
