Chapter 11 Microbiology LS
Coxiella burnetii is an oblicate intracellular bacterium that
Causes Q fever Can form small cell variants (SCVs) that survive well in the environment
____________ species are Gram-negative, strictly anaerobic, make up about a third of the bacteria in fecal matter in humans, and are associated with abscesses and bloodstream infections.
Bacteroides
Presence of the enzyme ________ is a key characteristic of Staphylococcus species that is used to distinguish them from Gram-positive cocci that do not respire aerobically, such as Streptococcus species
Catalase
Chemoorganotrophs that perform _____________________ often use sulfur or sulfate as a terminal electron acceptor
Anaerobic respiration
Members typically inhibit the intestinal tract
Enterococcus
Wolbachia pipientis is significant medically in diseases such as river blindness and elephantiasis because
It resides within the filarial worms that cause these diseases The immune response to this bacteria contributes to chronic inflammation in these diseases
Common members of the microbiota in the mouth and vagina during childbearing years
Lactobacillus
Includes species used to make cheese
Lactococcus
Bifidobacterium species are ____________
Part of the intestinal tract Gram-positive, irregular rod-shaped anaerobes
Which diseases are caused by member of the Chlamydia and Chlamydophila species?
Psittacosis, a form of pneumonia Eye infections An STI that mimics gonorrhea Atypical pneumonia
Obligate aerobes obtain energy using ___________ exclusively
Respiration
Staphylococcus epidermidis is a part of the normal microbiota of the
Skin