Video: Puas yog E coli muaj citrate Permease?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Sib+ Escherichia coli cov hom muaj a citrate permease , uas zoo li yog H + nyob ntawm (30), whereas ob citrate Kev thauj mus los muaj nyob hauv Klebsiella pneumoniae, ib qho nyob ntawm H + (45) thiab lwm qhov yog nyob ntawm Na + (9).
Kuj tseem paub yog, puas yog E coli citrate zoo lossis tsis zoo?
Yog tias qhov nruab nrab tig xiav, cov kab mob yog citrate zoo . Yog tsis muaj xim hloov, lub cev yog citrate tsis zoo . Qhov no yog ib zoo tshwm sim rau cov citrate xeem. Thaum Simmons Citrate agar yog inoculated nrog Escherichia coli cov , qhov nruab nrab tseem ntsuab.
Tom qab ntawd, lo lus nug yog, dab tsi yog citrate Permease? Cov kab mob uas tuaj yeem siv tau citrate Raws li lawv cov pa roj carbon monoxide siv cov enzyme citrase los yog citrate - tso cai thauj citrate mus rau hauv lub cell. Cov kab mob no tseem hloov pauv ammonium dihydrogen phosphate rau ammonia thiab ammonium hydroxide, uas tsim kom muaj ib puag ncig alkaline hauv nruab nrab.
Ib yam li ntawd, nws tau nug, E coli puas tuaj yeem siv citrate?
E . coli yog ib txwm tsis tuaj yeem loj hlob aerobically rau citrate vim tsis muaj peev xwm qhia tau a citrate transporter thaum muaj oxygen. Txawm li cas los xij, E . coli cov muaj lub voj voog ua tiav citric acid, thiab yog li ntawd metabolizes citrate raws li qhov nruab nrab thaum lub sij hawm aerobic loj hlob ntawm lwm yam tshuaj, nrog rau cov piam thaj.
Dab tsi yog biochemical vim li cas E coli tsis zoo rau citrate?
Cov biochemical vim li cas uas E . coli yog qhov tsis zoo rau citrate yog vim nws tsis tsim cov acetyl methyl carbinol uas tag nrho lwm cov kab mob ua qhov kuaj pom zoo rau qhov no, yog li ntawd ces tus Simmon's citrate agar yuav tsis hloov xim lossis tsaus rau xiav txhua.
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