Video: Vim li cas citrate test ua tiav?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Citrate agar yog siv rau xeem lub cev muaj peev xwm siv tau citrate raws li lub hauv paus ntawm lub zog. Thaum cov kab mob metabolize citrate , ammonium ntsev yog tawg mus rau ammonia, uas tsub kom alkalinity. Kev hloov pauv hauv pH hloov qhov ntsuas bromthymol xiav hauv nruab nrab ntawm ntsuab mus rau xiav saum pH 7.6.
Hauv qhov no, lub hom phiaj ntawm kev sim citrate yog dab tsi?
Cov lub hom phiaj yog saib seb cov microbe tuaj yeem siv cov compound citrate raws li nws qhov chaw ntawm carbon thiab lub zog rau kev loj hlob. Yuav ua li cas citrate siv txiav txim? Yog tias microbe tuaj yeem siv tau citrate rau carbon thiab zog, nws yuav loj hlob ntawm Simmons citrate agar.
Tsis tas li ntawd, qhov ntsuas citrate ua haujlwm li cas? Txais tos rau Microbugz - Citrate Test . Simmons citrate agar kuaj muaj peev xwm ntawm cov kab mob los siv citrate raws li cov pa roj carbon. Yog tsis muaj xim hloov, lub cev yog citrate tsis zoo. Ib txhia citrate Cov kab mob tsis zoo tuaj yeem loj hlob tsis muaj zog ntawm qhov chaw ntawm qhov slant, tab sis lawv yuav tsis tsim ib qho kev hloov xim.
Ib yam li ntawd, dab tsi enzyme yog qhov ntsuas citrate siv los kuaj xyuas?
enzyme citrase muaj
Puas yog Salmonella citrate zoo lossis tsis zoo?
Kev kuaj biochemical thiab txheeb xyuas ntawm Salmonella Typhi
| Yam ntxwv | Salmonella Typhi |
|---|---|
| Capsule | Tsis zoo (-ve) |
| Catalase | Zoo (+ ve) |
| Citrate | Tsis zoo (-ve) |
| Flagella | Zoo (+ ve) |
Pom zoo:
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