types:
- show 49 types...
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acidophil, acidophile
an organism that thrives in a relatively acid environment
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probiotic, probiotic bacterium, probiotic flora, probiotic microflora
a beneficial bacterium found in the intestinal tract of healthy mammals; often considered to be a plant
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bacteroid
a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants)
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eubacteria, eubacterium, true bacteria
a large group of bacteria having rigid cell walls; motile types have flagella
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Calymmatobacterium, genus Calymmatobacterium
a genus of bacterial rods containing only the one species that causes granuloma inguinale
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Francisella, genus Francisella
a genus of Gram-negative aerobic bacteria that occur as pathogens and parasite in many animals (including humans)
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Neisseria gonorrhoeae, gonococcus
the pus-producing bacterium that causes gonorrhea
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Legionella pneumophilia, legionella
the motile aerobic rod-shaped Gram-negative bacterium that thrives in central heating and air conditioning systems and can cause Legionnaires' disease
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nitrobacterium
any of the bacteria in the soil that take part in the nitrogen cycle; they oxidize ammonium compounds into nitrites or oxidize nitrites into nitrates
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penicillin-resistant bacteria
bacteria that are unaffected by penicillin
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pus-forming bacteria
bacteria that produce pus
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rod
any rod-shaped bacterium
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diplococcus
Gram-positive bacteria usually occurring in pairs
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superbug
a strain of bacteria that is resistant to all antibiotics
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B, bacillus
aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
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cocci, coccus
any spherical or nearly spherical bacteria
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coccobacillus
a bacterial cell intermediate in morphology between a coccus and a bacillus; a very short bacillus
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spirilla, spirillum
any flagellated aerobic bacteria having a spirally twisted rodlike form
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clostridia, clostridium
spindle-shaped bacterial cell especially one swollen at the center by an endospore
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Clostridium botulinum, botulinum, botulinus
anaerobic bacterium producing botulin the toxin that causes botulism
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clostridium perfringens
anaerobic Gram-positive rod bacterium that produces epsilon toxin; can be used as a bioweapon
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blue-green algae, cyanobacteria
predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton
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phototrophic bacteria, phototropic bacteria
green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
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pseudomonad
bacteria usually producing greenish fluorescent water-soluble pigment; some pathogenic for plants and animals
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xanthomonad
bacteria producing yellow non-water-soluble pigments; some pathogenic for plants
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nitric bacteria, nitrobacteria
soil bacteria that convert nitrites to nitrates
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nitrosobacteria, nitrous bacteria
soil bacteria that oxidize ammonia to nitrites
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thiobacillus
small rod-shaped bacteria living in sewage or soil and oxidizing sulfur
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spirillum
spirally twisted elongate rodlike bacteria usually living in stagnant water
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vibrio, vibrion
curved rodlike motile bacterium
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corynebacterium
any species of the genus Corynebacterium
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listeria
any species of the genus Listeria
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enteric bacteria, enterics, enterobacteria, entric
rod-shaped Gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals
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endospore-forming bacteria
a group of true bacteria
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rickettsia
any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings
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chlamydia
coccoid rickettsia infesting birds and mammals; cause infections of eyes and lungs and genitourinary tract
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mycoplasma
any of a group of small parasitic bacteria that lack cell walls and can survive without oxygen; can cause pneumonia and urinary tract infection
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nitrate bacterium, nitric bacterium
any of the nitrobacteria that oxidize nitrites into nitrates
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nitrite bacterium, nitrous bacterium
any of the nitrobacteria that oxidize ammonia into nitrites
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actinomycete
any bacteria (some of which are pathogenic for humans and animals) belonging to the order Actinomycetales
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actinomyces
soil-inhabiting saprophytes and disease-producing plant and animal parasites
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mycobacteria, mycobacterium
rod-shaped bacteria some saprophytic or causing diseases
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streptobacillus
any of various rod-shaped Gram-negative bacteria
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gliding bacteria, myxobacter, myxobacteria, myxobacterium, slime bacteria
bacteria that form colonies in self-produced slime; inhabit moist soils or decaying plant matter or animal waste
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lactobacillus
a Gram-positive rod-shaped bacterium that produces lactic acid (especially in milk)
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Lactobacillus acidophilus, acidophilus
a bacterium that is used to make yogurt and to supplement probiotics
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Diplococcus pneumoniae, pneumococcus
bacterium causing pneumonia in mice and humans
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strep, streptococci, streptococcus
spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis
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spirochaete, spirochete
parasitic or free-living bacteria; many pathogenic to humans and other animals