| 单词 | eubacteria |
| 释义 | eubacteria (extremely rare) n WORD FAMILY eubacteria USAGE EXAMPLESThey are the eubacteria, or true bacteria, and as would be expected they are quite distinct from the eukaryotes. Scientific American(Jan 01, 2013) Methanogens are related as closely to eukaryotes as to eubacteria. Scientific American(Jan 01, 2013) n a large group of bacteria having rigid cell walls; motile types have flagella Syn|Hypo|Hyper eubacterium, true bacteria B, bacillus aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil cocci, coccusany spherical or nearly spherical bacteria coccobacillusa bacterial cell intermediate in morphology between a coccus and a bacillus; a very short bacillus spirilla, spirillumany flagellated aerobic bacteria having a spirally twisted rodlike form clostridia, clostridiumspindle-shaped bacterial cell especially one swollen at the center by an endospore Clostridium botulinum, botulinum, botulinusanaerobic bacterium producing botulin the toxin that causes botulism clostridium perfringensanaerobic Gram-positive rod bacterium that produces epsilon toxin; can be used as a bioweapon blue-green algae, cyanobacteriapredominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton phototrophic bacteria, phototropic bacteriagreen and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon pseudomonadbacteria usually producing greenish fluorescent water-soluble pigment; some pathogenic for plants and animals xanthomonadbacteria producing yellow non-water-soluble pigments; some pathogenic for plants nitric bacteria, nitrobacteriasoil bacteria that convert nitrites to nitrates nitrosobacteria, nitrous bacteriasoil bacteria that oxidize ammonia to nitrites thiobacillussmall rod-shaped bacteria living in sewage or soil and oxidizing sulfur spirillumspirally twisted elongate rodlike bacteria usually living in stagnant water vibrio, vibrioncurved rodlike motile bacterium corynebacteriumany species of the genus Corynebacterium listeriaany species of the genus Listeria enteric bacteria, enterics, enterobacteria, entricrod-shaped Gram-negative bacteria; most occur normally or pathogenically in intestines of humans and other animals endospore-forming bacteriaa group of true bacteria rickettsiaany 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 chlamydiacoccoid rickettsia infesting birds and mammals; cause infections of eyes and lungs and genitourinary tract mycoplasmaany of a group of small parasitic bacteria that lack cell walls and can survive without oxygen; can cause pneumonia and urinary tract infection actinomyceteany bacteria (some of which are pathogenic for humans and animals) belonging to the order Actinomycetales actinomycessoil-inhabiting saprophytes and disease-producing plant and animal parasites mycobacteria, mycobacteriumrod-shaped bacteria some saprophytic or causing diseases gliding bacteria, myxobacter, myxobacteria, myxobacterium, slime bacteriabacteria that form colonies in self-produced slime; inhabit moist soils or decaying plant matter or animal waste lactobacillusa Gram-positive rod-shaped bacterium that produces lactic acid (especially in milk) strep, streptococci, streptococcusspherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis spirochaete, spirocheteparasitic or free-living bacteria; many pathogenic to humans and other animals Bacillus anthracis, anthrax bacillusa species of bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and rabbits and mice and guinea pigs); can be used a bioweapon Bacillus globigii, Bacillus subtilis, grass bacillus, hay bacillusa species of bacillus found in soil and decomposing organic matter; some strains produce antibiotics Yersinia pestisa bacillus bacterium that causes the plague; aerosolized bacteria can be used as a bioweapon Brucellaan aerobic Gram-negative coccobacillus that causes brucellosis; can be used as a bioweapon nostocfound in moist places as rounded jellylike colonies trichodesmiumlarge colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation purple bacteriafree-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll Pseudomonas solanacearum, ring rot bacteriacauses brown rot in tomatoes and potatoes and tobacco etc sulfur bacteria, sulphur bacteria, thiobacteriaany bacterium of the genus Thiobacillus Spirillum minus, ratbite fever bacteriuma bacterium causing ratbite fever Vibrio comma, comma bacilluscomma-shaped bacteria that cause Asiatic cholera Vibrio fetusbacteria that cause abortion in sheep C. diphtheriae, Corynebacterium diphtheriae, Klebs-Loeffler bacillusa species of bacterium that causes diphtheria L. monocytogenes, Listeria monocytogenesthe type species of the genus Listeria; can cause meningitis, encephalitis, septicemia, endocarditis, abortion, abscesses, listeriosis escherichiaa genus of enteric bacteria klebsiellaa genus of nonmotile rod-shaped Gram-negative enterobacteria; some cause respiratory and other infections salmonellarod-shaped Gram-negative enterobacteria; cause typhoid fever and food poisoning; can be used as a bioweapon shigellarod-shaped Gram-negative enterobacteria; some are pathogenic for warm-blooded animals; can be used as a bioweapon erwiniarod-shaped motile bacteria that attack plants C. psittaci, Chlamydia psittacibacteria responsible for the sexually transmitted disease chlamydia C. trachomatis, Chlamydia trachomatisbacteria responsible for the sexually transmitted diseases chlamydia and lymphogranuloma venereum PPLO, pleuropneumonialike organisma mycoplasma resistant to antibiotics that causes a kind of pneumonia in humans streptomycesaerobic bacteria (some of which produce the antibiotic streptomycin) Mycobacterium tuberculosis, tubercle bacilluscause of tuberculosis Mycobacterium leprae, leprosy bacilluscause of leprosy staph, staphylococci, staphylococcusspherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections Lactobacillus acidophilus, acidophilusa bacterium that is used to make yogurt and to supplement probiotics treponemaspirochete that causes disease in humans (e.g. syphilis and yaws) borreliacause of e.g. European and African relapsing fever Borrelia burgdorferi, Lime disease spirochetecause of Lyme disease; transmitted primarily by ticks of genus Ixodes leptospiraimportant pathogens causing Weil's disease or canicola fever moneran, moneron organisms that typically reproduce by asexual budding or fission and whose nutritional mode is absorption or photosynthesis or chemosynthesis bacteria, bacterium(microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants |
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