Puas yog Campylobacter urease zoo?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

Ib qho ntxiv urease - zoo taxon ua Campylobacter tsis ntev los no tau piav qhia txog catalase-negative, urease - zoo Campylobacter yog, Campylobacter sputorum biovar paraureolyticus (21, 33). Txawm li cas los xij, tsis muaj phenotypic lossis genotypic yam ntxwv ntawm cov zis los ntawm ob qho no Campylobacter taxa tseem tsis tau piav qhia.

Tom qab ntawd, ib tus tuaj yeem nug, Campylobacter thiab H pylori zoo ib yam?

Ob leeg Helicobacter pylori thiab Campylobacter jejuni yog cov kab mob Gram-negative microaerophilic uas kis tau zoo heev uas yog cov kab mob hauv plab ntawm tib neeg; H . pylori colonizes lub gastroduodenal compartment thiab C. jejuni lub plab hnyuv mucosa. Txawm hais tias H.

Ib sab saum toj no, puas yog Campylobacter catalase zoo? Feem ntau hom yog catalase - thiab oxidase- zoo ⁷, nrog rau kev zam ntawm cov catalase -negative C. Cov tshuaj tiv thaiv metabolic tshwj xeeb no tuaj yeem siv rau kev sib txawv thiab kev txheeb xyuas ntawm Campylobacter hom (Rooj 1). Cov kev xeem uas muaj kev lag luam tshwm sim hauv Cov Lus 2 thiab 3.

Kuj paub, qhov kev kuaj urease ceev yog dab tsi?

Kev Xeem Kom Ruaj Siab Cov kuaj urease sai Nws suav nrog incubating gastric biopsy nyob rau hauv urea broth uas muaj pH qhia phenol liab. Tsis tseeb- zoo cov txiaj ntsig tau tsis tshua tau tshaj tawm thaum lwm qhov cov zis -ua cov kab mob muaj nyob hauv plab, xws li Proteus spp.

Lub hom phiaj ntawm kev kuaj urease yog dab tsi?

Urease Test . Urease broth yog ib qho txawv nruab nrab uas kev xeem lub peev xwm ntawm lub cev los tsim ib qho exoenzyme, hu ua cov zis , uas hydrolyzes urea rau ammonia thiab carbon dioxide. Cov kua zaub muaj ob pH buffers, urea, ib qho me me ntawm cov as-ham rau cov kab mob, thiab pH qhia phenol liab.