Structure Flashcards
any molecule that contributes to an organism’s virulence (port of entry, evasion, and damage of host cells)
virulence mechanisms
prokaryotic cells have these three main structure components
cell envelope, appendages, cytosol
the cell envelope is made up of these three parts
cell membrane, cell wall, glycocalyx
three functions of the bacterial envelope
cell characteristics, protection, metabolic functions
bacterial shape that is spherical
coccus
bacterial shape that is rod shaped
bacillus
bacterial shape that is a curved rod
vibrio
bacterial shape that is a corkscrew
spirochete
bacterial shape that is a worm
spirillum
prefix for cuboidal structures
sarcinae-
prefix for chain structures
strepto-
prefix for cluster structures
staphylo-
cell characteristics determined by the bacterial envelope
structure, shape, immunological properties, signs and symptoms of disease
protection provided by the bacterial envelope
from pressure changes, elimination, infection
metabolic functions provided by the bacterial envelope
enzymatic activities, transport proteins, signal transduction, attachment and colonization of environmental surfaces
three important functions of the membrane
fast cell division, proteins for response, transportation of materials
protein shell containing rubisco for carbpn fixation
carboxysome
periplamic binding proteins are involved and energy comes from ATP
ABC Transporter
used to secrete factors such as the RTX toxins
type 1 secretion system
cell having a cell wall composed of a thick layer of peptidoglycan (purple stain)
gram-positive
cell having a cell wall composed of a thin layer of peptidoglycan and an outer layer of lipopolysaccharides (pink stain)
gram-negative
three parts of the peptidoglycan
glycan backbone, side chain, interbridge
material surrounding the cell, a thick sugary carbohydrate coat (slime layer)
glycocalyx
two functions of glycocalyx
protection and adherence
