lecture 1 commonly missed Flashcards
largest microbes?
protozoa and fungi
helmiths are partof the ____ kingdom
animal
which microbe is not free living
virus
outer lipoprotein membrane are on some______
viruses
viruese can be spread by:
Inhaled droplets
food/water
Infected host
Bites from arthropods
rhinovirus and flu virus are spread by
droplets
hep A and norovirus are spread
in food or water
hep B and HIV are spread by
direct transfer from other infected hosts
yellow fever and west nile virus are spredad by
bites from vector arthropods
direct inoculation
injections, trauma, insect bites
how does the flu get into the body
sialic acid receptors on lung epithelia cells and URT
how does the rabies get into the body
ACh receptor via neuronal adhesion molecule
how does the HIV get into the body
CD4, CCR5, CXCR4
how does the EBV get into the body
C3d receptor on b cells
how does the HPV get into the body
P antigen, Ku80
how does hep C get into the body
cell surface glycosaminoglycans
how does the human rhinoviruses get into the body
CAM 1 or VLDL R
Timothy brown
Had HIV and leukemia
Got treated with BM transplant for leukemia and donor cells had a CCR5-D32 mutation
He was then HIV negative
when is virus no longer infective
when in hosts cytoplasm
Effects of viral infection in host cell
lysis/death
Fusion of cells
No change
Malignant transformation
nucleus of a prok
nucleoid
extrachromosomal dna in bacteria
plasmids
c diphtheria inhibits
protein synthesis
v cholerae causes
hyperactivation