Flora intestinal: Diferenzas entre revisións

[[Ficheiro:EscherichiaColi NIAID.jpg|miniatura|dereita|''[[Escherichia coli]]'', unha das principais esepcies de bacterias presentes no intestino humano.]]

 

O corpo humano contén 10¹² células de microorganismos nos seus intestinos, un número 10 veces superior ao total das células do propio corpo humano.<ref name="Björkstén">{{cite journal |author=Björkstén B, Sepp E, Julge K, Voor T, Mikelsaar M |title=Allergy development and the intestinal microflora during the first year of life |journal=J. Allergy Clin. Immunol. |volume=108 |issue=4 |pages=516–20 |year=2001 |month=October |pmid=11590374 |doi=10.1067/mai.2001.118130 |url=}}</ref><ref name="Guarner and Malagelada 2003b">{{cite journal |author=Guarner F, Malagelada JR |title=Gut flora in health and disease |journal=Lancet |volume=361 |issue=9356 |pages=512–9 |year=2003 |month=February |pmid=12583961 |doi=10.1016/S0140-6736(03)12489-0 |url=http://www.dms.ufsc.br/mip7013/arquivos/2550_Gut%20flora%20in%20health%20and%20disease.pdf}}</ref><ref name=Sears>{{cite journal |author=Sears CL |title=A dynamic partnership: celebrating our gut flora |journal=Anaerobe |volume=11 |issue=5 |pages=247–51 |year=2005 |month=October |pmid=16701579 |doi=10.1016/j.anaerobe.2005.05.001 |url=}}</ref><ref name=Steinhoff>{{cite journal |author=Steinhoff U |title=Who controls the crowd? New findings and old questions about the intestinal microflora |journal=Immunol Lett |volume=99 |issue=1 |pages=12–6 |year=2005 |month=June |pmid=15894105 |doi=10.1016/j.imlet.2004.12.013 |url=}}</ref><ref>{{cite journal |author=Savage DC |title= Microbial ecology of the gastrointestinal tract |year=1977 |journal=Annual Review of Microbiology |volume=31 |pages=107–133 |pmid=334036 |doi=10.1146/annurev.mi.31.100177.000543 }}</ref> As actividades metabólicas realizadas por estas bacterias lembran ás dun órgano.<ref name=OHara06/> Estímase que esta flora intestinal ten en conxunto arredor de 100 veces máis [[xene]]s ca os do [[xenoma humano]].<ref>{{Cite journal | title = A human gut microbial gene catalogue established by metagenomic sequencing | url = http://www.nature.com/nature/journal/v464/n7285/full/nature08821.html | year = 2009 | journal = Nature | volume = 464 | pmid = 20203603 | pages = 59–65 | issue = 7285| doi = 10.1038/nature08821 | author = Junjie Qin; ''et al'' | accessdate = 2010-03-06 | postscript = <!--None-->}}</ref>