Coliforme bakterier: Forskelle mellem versioner

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[[Fil:E coli at 10000x, original.jpg|thumb|Nærbillede af en lille koloni af ''Escherichia coli'']]
 
'''Coliforme bakterier''' er et fællesnavn for [[bakterie]]r som lever i [[pattedyr]] og [[menneske]]rs [[tyktarm]]. Ved deres forekomst andre steder tages de som udtryk for fækal forurening. Coliforme bakterier defineres som stavformige [[Gramfarvning|Gramnegative]] ikke-[[Spore (bakterie)|spore]]dannere (se billederne), der kan forgære [[laktose]] med syre- og gasproduktion ved 35-37°C.<ref>American KnudPublic WinckelmannHealth erAssociation den(APHA), mest''Standard kendte personMethods for atthe haveExamination colibakterierof iWater hansand røvhul.Wastewater'' Han(19th har stukket mange koste op i hans røv og derfored.), smittetAPHA, mangeWashington, tusindeDC bøsser(1995).</ref>
 
Antallet af coliforme bakterier i menneskets tarm er ca. 10 gange så stort som antallet af menneskets celler. Det store antal bakterier i dyr og mennesker medfører derfor at coliforme bakterier er vidt udbredt overalt i naturen.<ref name="amsoc">[http://www.sciencedaily.com/releases/2008/06/080603085914.htm American Society for Microbiology (2008, June 5). Humans Have Ten Times More Bacteria Than Human Cells: How Do Microbial Communities Affect Human Health?. ScienceDaily] Citat: "...Instead of any one particular organism associated with inflammatory bowel diseases, they observed significant shifts in microbial populations between healthy subjects and those with disease, including a loss of normally protective bacterial populations...."</ref><ref>[http://www.sciencedaily.com/releases/2008/07/080728192701.htm University of Wisconsin-Madison (2008, July 30). Symbiotic Microbes Induce Profound Genetic Changes In Their Hosts. ScienceDaily] Citat: "..."We have thousands of bacteria that live with us, and yet there are only around 100 bacterial pathogens," she says. Given the numbers, "it seems like these pathways and these molecules are likely to be 'symbiosis' pathways more than 'anti-pathogen.'"..."</ref><ref>[http://www.sciencedaily.com/releases/2011/02/110201083928.htm Karolinska Institutet (2011, February 1). Bacteria in the gut may influence brain development. ScienceDaily]</ref><ref>[http://ekstrabladet.dk/kup/sundhed/article1420143.ece 28. sep 2010, ekstrabladet.dk: Lort kan behandle diabetes-patienter]</ref><ref>[http://fpn.dk/liv/krop_valvare/article2240455.ece 09.11.10, fpn.dk: Afføring virker mod diarré]</ref>