question
Mutualism + example
answer
Benefit/benefit ; microbiota in human digestive tract
question
Amensalism
answer
a relationship in which one organism is harmed and the other is unaffected ; fungus secreting antibiotic killing bacteria
question
Commensalism
answer
A relationship between two organisms in which one organism benefits and the other is unaffected ; mites in human hair follicles
question
Neutralism
answer
Neither species benefits or is harmed ; coexistence of vegetative endoscopes of bacillus
question
biochemical tests
answer
Carbohydrate fermentation; utilization of amino acids, starch, citrate, gelatin; waste products; fatty acid composition
question
Bacteriophage
answer
A virus that infects bacteria
question
5 classes of largest and most diverse group of bacteria
answer
Gram-negative proteobacteria
-Alpha
-Beta
-Gamma
-Delta
-Epsilon
-Alpha
-Beta
-Gamma
-Delta
-Epsilon
question
Alphaproteobacteria
answer
Most are capable of growing with very low levels of nutrients
Many have stalks or buds known as prosthecae, OLIGOTROPHSr
Many have stalks or buds known as prosthecae, OLIGOTROPHSr
question
Rickettsia, Chlamydia, Agrobacterium, Rhizobium
answer
Alphaproteobacteria (arrc)
question
Betaproteobacteria
answer
Eutropophs, need lots of moisture, organic nutrients and CO2
-neisseria
-Bordetella
-neisseria
-Bordetella
question
Deltaproteobacteria
answer
Sulfate reducing
-desulfovibrio
-desulfovibrio
question
Epsilonproteobacteria
answer
Microaerophilic
-campylobacter
-campylobacter
question
Lacks peptifoglycan, alphaproteobacteria, lymph node swelling, neonatal blindness
answer
Chlamydia
question
Rickettsia
answer
Alphaproteobacteria, live inside human cell, can't make atp
question
R. prowazekii
answer
epidemic typhus. Possibly fatal.
Spread by fleas, lice, feces
Spread by fleas, lice, feces
question
R. rickettsii
answer
Rocky Mountain Spotted Fever, inflammation of brain membrains, spread by ticks
question
Agrobacterium
answer
insert a plasmid into plant cells, inducing a tumor, plant pathogen
question
Rhizobium
answer
a nitrogen-fixing bacterium that is common in the soil, especially in the root nodules of leguminous plants.
question
Neisseria (Betaproteobacteria) ; meningitis and gonorrhoeae
answer
N. gonorrhoeae: cause of gonorrhoea, mucus membrane of urethra and cervix
N. meningitidis: cause of meningococcal meningitis, low prevalence, high mortality, spread through saliva or spit
N. meningitidis: cause of meningococcal meningitis, low prevalence, high mortality, spread through saliva or spit
question
Bordetella pertussis -betaproteobacteria
answer
Whooping cough
Microbe secretes toxins that kill cilia and damage cells of respiratory tract
Significant mortality in non immunized infants
Microbe secretes toxins that kill cilia and damage cells of respiratory tract
Significant mortality in non immunized infants
question
Pseudomonas aeruginosa
answer
Resistant to many antibiotics, causes infections in dif body regions, chronic Utis, swimmers ear, cystic fibrosis, 4 C
question
Legionella pneumophila
answer
Aquatic, causes pneumonia, reproduce inside macrophages, legionnaires disease
question
2 types enterobacteriaceae
answer
Coliforms: ferment lactose completely to gas and acid
Noncoliforms: " incompletely or not at all
Noncoliforms: " incompletely or not at all
question
E. Coli
answer
Many strains produce vitamin K, or deadly Shiga toxin, interacts w ribosomes so stops protein synthesis and kills GI tract cells. Causes inflammation and bloody diarrhea
question
Desulfovibrio orale
answer
Sulfate reducing bacteria, anaerobic respiration, periodontal disease
question
Campylobacter jejuni
answer
Common cause of food poisoning, inflammation of small intestine, Gillian-barre syndrome (causes paralysis)
question
Heliobacter pylori
answer
Sometimes beneficial in stomach, linked to stomach cancer, can survive in low pH
question
Phylum CFB group
answer
Cytophaga, fusobacterium, bacteriodes (mutualistic)
question
Green and Purple Phototrophic Bacteria
answer
Anaerobic and anoxygenic , rich in HS in bottom of ponds and lakes
question
Cyanobacteria
answer
Photosynthetic, oxygen-producing bacteria (formerly known as blue-green algae). Makes proteins and nucleic acid by providing protein
question
4 gram positive bacteria (high g/C)
answer
Actinomycetes
Corynebacterium
Mycobacterium
Streptomyces
Corynebacterium
Mycobacterium
Streptomyces
question
Actinomyces
answer
1 Gram positive pleomorphic rods which form a large proportion of the oral microflora
, role in soil ecology periodontitis, resident microbes if overflow
, role in soil ecology periodontitis, resident microbes if overflow
question
Mycobacterium
answer
Need acid-fast to visualize pink rod, have mycolic acid cell walls. Leprosy and TB
question
Corynebacterium
answer
gram positive rodm toxin in throat leading to difficult breathing
question
Streptomyces
answer
Good bacteria, reproduce by spores, produce antibiotics, give soil musty smell
question
Gram positive low G/C
answer
Clostridium
Streptococcus
Lactobacillus
Bacillus
Staphylococcus
Mycoplasma
Streptococcus
Lactobacillus
Bacillus
Staphylococcus
Mycoplasma
question
Clostridium
answer
Botox, form spores, potent toxins
question
Streptococcus pyogenes
answer
Pyogenic, necrotizing fasciitis
question
Lactobacillus
answer
Good bacteria, normal microbiota in mouth, protects humans by inhibiting pathogen growth= microbial antagonism. Used as probiotic to reduce diarrhea
question
Mycoplasms
answer
No cell walls, live in osmotically protected habitats
question
luka
answer
Last universal common ancestor (deeply branching bacteria) adapted to early rough conditions. Thermo or hypertheromophiles
question
Genome is larger and more complex than bacteria, unicellular and closer to eukaryotes. Cell wall not peptidoglycan. Cell membrane lipids are branched. Some are extromophiles. NONE are pathogens
answer
...
question
Gammaproteobacteria (gammaple)
answer
Pseudomas, legionella, escherichia
Order an Essay Now & Get These Features For Free:
Turnitin Report
Formatting
Title Page
Citation
Outline
