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42 Cards in this Set

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Proteobacteria include most gram ________ & ___________ bacteria

Negative


Chemoheterotrophic

Proteobacteria is the ______ _______ bacterial group

Largest taxonomic

What are the 5 classes of Proteobacteria?

alpha, beta, gamma, delta, epsilon

The Alphaproteobactria are capable of _______ at very ____ _______ ________

Growth at very low nutrient levels

Many Alphaproteobactria contain ________ or _______

Prosthecae, stalks

Several Alphaproteobactria are _______ & ________ pathogenic

Human, plant

Alphaproteobactria include many _________ important ________ capable of ______ fixation in symbiosis

Agriculturally


Bacteria


Nitrogen

What are 3 nitrogen-fixing Alphaproteobactria?

Azospirillum Rhizobium Bradyrhizobihm

Alphaproteobactria produce ______ ______ from ethyl alcohol by _______ alcohols or sugars

Acetic acid (vinegar)


Oxidizing

How does the plant pathogen Agrobacterium effect plants?

Inserts a plasmid into plants DNA, inducing a tumor called a crown gall

There is a considerable overlap between the betaproteobacteria and the ____________.

Alphaproteobactria

How are betaproteobacteria similar to alphaproteobactria?

Nitrogen fixing and use nutrients from anaerobic decomposition of organic matter (ie H+ gas, ammonia, methane)

Most betaproteobacteria are chemoheterotrophic but _________ is _________

Thiobacillus , chemoautotrophic

The gammaproteobacteria consitute the ______ ________ of the proteobacteria.

Largest subgroup

What is the function of prosthecae

Attaches to cells surface and increases nutrient uptake by increasing cells surface area to vol. ratio

In alphaproteobactria: Less nutrients available=

Increasing stalk size

Pseudomonadales is a subgroup of _______

Gammaproteobacteria

Pseudomonadales are ______ ______ that can infect weakened host, urinary tract, burns causing sepsis

opportunistic pathogens

Pseudomonadales are _________ diverse

Metabolically (produce many enzymes that can metabolize a wide variety of sources)

Pseudomonadales are highly ________ bc they have _______ ________ _______ that eject antibiotics from the cell almost immediately

Resistant


Efflux pump systems

Pseudomonadales have polar ________

Flagella

Enteriobacterialds (enterics) is a subgroup of _____________

Gammaproteobacteria

Enteriobacteriales are _________ _________ gram ______ rods

Facultatively anaerobic


Negative

Most enterics are _________ of glucose and other CHO

Fermenters

Enterics have _______ to ______to surfaces or mucus membrane's

Fimbriae, adhere

Enterics produces _________ called _________

proteins, bacteriocins

Bacteriocins cause _______ of closely related species & help maintain balance of GI tract

Lysis

Enterics use ____ _____ to exchange information

Sex pili

Deltaproteobacteria are both ________ and _______

Aerobic and anaerobic

Myxcococcales are a subgroup of __________

Deltaproteobacteria

Myxcococcales have the most ________ _______ of all bacteria

Complex lifecycle

The epsilonproteobacteria are slender gram ______ rods that are _______ or _______

Negative


Helical, curved

Epsilonproteobacteria have two important genera both of which are ________ due to ________ and are ___________.

Motile, flagella


Microaerophillic

Spirochetes are ___________ gram ______ bacteria

non-proteo bacteria


negative

Spirochetes are __________.

Chemotropic

how they fuel themselves

Spirochetes process______ ______ for motility

Axial filaments

Bacteroidetes are _____________ gram ______ bacteria.

non-proteobacteria


negative

Bacteroidetes are _________ and non ________.

Chemotropic


Motile

Archea are distinctly different then other prokaryotic cells bc....

There cell walls lack peptidoglycan

Archaea are very _________.

Diverse

Archaea range greatly in _______.

Size

PCR indicates up to 10,000 _______ _____ in soil of Archaea.

Bacteria types