Video: Puas yog Haemophilus loj hlob ntawm cov ntshav agar?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hemophilus mob khaub thuas yuav tsum muaj ob yam X thiab V; raws li, nws loj hlob ntawm chocolate agar tab sis tsis nyob rau qov agar (Daim duab 30-2), txawm hais tias nws yuav tshwm sim ntawm a qov agar phaj raws li lub hnub qub me me nyob ib puag ncig ib puag ncig ntawm lwm cov kab mob uas tau lysed liab ntshav hlwb.
Xav txog qhov no, puas yog Haemophilus loj hlob ntawm MacConkey?
Lawv yog cov facultative anaerobes thiab feem ntau oxidase zoo. Lawv nyob ntawm beta-nicotinamide adenine dinucleotide (NAD) (V factor) thiab / lossis Haemin (X fector) rau kev loj hlob. Haemin-hom kab mob loj hlob ntawm Ntshav Agar tab sis ua tsis loj hlob ntawm MacConkey agar.
Ib tus kuj yuav nug, puas yog Haemophilus influenzae hemolytic? mob khaub thuas yuav loj hlob nyob rau hauv hemolytic thaj tsam ntawm Staphylococcus aureus ntawm cov ntshav agar daim hlau; cov hemolysis ntawm cov hlwb los ntawm S. aureus tso tawm yam V uas xav tau rau nws txoj kev loj hlob. H . mob khaub thuas yuav tsis loj hlob sab nraum lub hemolytic tsam S.
Tsis tas li ntawd, vim li cas Haemophilus influenzae loj hlob ntawm chocolate agar?
Kev loj hlob tshwm sim ntawm CAP vim NAD raug tso tawm los ntawm ntshav thaum lub sij hawm cua sov txheej txheem ntawm qhob noom xim kasfes agar kev npaj (txheej txheem cua sov kuj tseem tsis ua haujlwm kev loj hlob inhibitors) thiab hemin yog muaj los ntawm non-hemolyzed thiab hemolyzed ntshav hlwb. Xwb, NAD tuaj yeem suav nrog ua ib feem ntawm cov kua H.
Puas yog tag nrho Haemophilus oxidase zoo?
Txhua laj of Hemophilus yog catalase thiab oxidase zoo ; lawv txo nitrate rau nitrite thiab ferment qabzib. Cov qauv ntawm cov kua qaub tsim los ntawm lwm cov carbohydrates tau siv los sib txawv hom. H.
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