EnterococciOs areenterococos [[facultativeson anaerobic organism]]s, ''i.e.'', they are capable oforganismos [[cellularanaerobio respirationfacultativo|anaerobios facultativos]] in both oxygen-rich and oxygen-poor environments.<ref name=Fischetti_2000>{{cite book | editor = Fischetti VA, Novick RP, Ferretti JJ, Portnoy DA, Rood JI | title = Gram-Positive Pathogens | publisher = ASM Press | year = 2000 | isbn = 1-55581-166-3}}</ref> ThoughAínda theyque arenon notpoden capableformar of forming [[spore]]sesporas, enterococcison aretolerantes toleranta ofun aamplo widerango rangede ofcondicións environmentalambientais, conditions:desde extremetemperaturas temperatureextremas (10-45°C), [[pH]] (4.,5-10.,0) ande highaltas concentracións de [[sodiumcloruro chloridede sodio]] concentrations.<ref name=Fisher>{{cite journal |author=Fisher K, Phillips C |title=The ecology, epidemiology and virulence of Enterococcus |journal=Microbiology |volume=155 |issue=Pt 6 |pages=1749–57 |year=2009 |month=June |pmid=19383684 |doi=10.1099/mic.0.026385-0}}</ref>
EnterococciÉ typicallycaracterístico exhibitdos enterococos a gamma-[[hemolysishemólise]] en [[ágar sangue]] onde sheep'ssangue bloodde agarovella.<ref name=Sherris>{{cite book | editor = Ryan KJ, Ray CG | title = Sherris Medical Microbiology | edition = 4th | pages = 294–5 |publisher = McGraw Hill | year = 2004 | isbn = 0-8385-8529-9 }}</ref>
=== Historia ===
MembersMembros ofdo the genusxénero ''Enterococcus'' wereeran classifiedclasificados asata Group1984 Dcomo ''[[Streptococcus]]'' untildo 1984grupo D, whenpero as genomicanálises DNAxenómicas analysisindicaron indicatedque aera separatemáis genusapropiado classificationclasificalas wouldnun bexénero appropriateseparado.<ref>{{cite journal | author = Schleifer KH; Kilpper-Balz R | title = Transfer of ''Streptococcus faecalis'' and ''Streptococcus faecium'' to the genus ''Enterococcus'' nom. rev. as ''Enterococcus faecalis'' comb. nov. and ''Enterococcus faecium'' comb. nov. | journal= Int. J. Sys. Bacteriol. | year= 1984 | volume= 34 | issue= | pages= 31–34 | url= | doi = 10.1099/00207713-34-1-31 }}</ref>
