Escherichia Coli
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Escherichia coli (; commonly abbreviated E. coli) is a Gram-negative, Bacillus (shape)|rod-shaped bacterium that is commonly found in the lower gastrointestinal tract|intestine of warm-blooded organisms (endotherms). Most E. coli Strain (biology)|strains are harmless, but some serotypes can cause serious Foodborne illness|food poisoning in humans, and are occasionally responsible for product recalls due to food contamination. The harmless strains are part of the Human flora|normal flora of the Gut (zoology)|gut, and can benefit their hosts by producing vitamin K2, and by preventing the establishment of pathogenic bacteria within the intestine. E. coli and related bacteria constitute about 0.1% of gut flora, and fecal–oral route|fecal–oral transmission is the major route through which pathogenic strains of the bacterium cause disease. Cells are able to survive outside the body for a limited amount of time, which makes them ideal indicator organisms to test...
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相关概念
Genetics    
Dna Sequence    
in silico    
演化趋势
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Escherichia Coli文章数量变化趋势

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