Video: Leej twg pom kab mob diphtheria?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Diphtheria toxin yog nrhiav tau xyoo 1888 los ntawm ilemile Roux thiab Alexandre Yersin. Xyoo 1890, Emil Adolf von Behring tau tsim cov tshuaj tiv thaiv tshuaj lom raws li cov ntshav ntawm nees txhaj tshuaj tiv thaiv kab mob attenuated.
Tsis tas li cov lus nug yog, kab mob diphtheria toxin tuaj qhov twg los?
Diphtheria toxin yog secreted los ntawm Corynebacterium diphtheriae raws li ib tug tib polypeptide saw muaj ob lub ntsiab tseem ceeb: DT-A, uas yog nqa lub active site rau ADP ribosylation ntawm EF-2, thiab DT-B, uas txhawb kev khi ntawm tshuaj lom rau cov hlwb thiab nkag mus ntawm A saw rau hauv cytosolic compartment.
Ib yam nkaus, kab mob diphtheria toxin ua dab tsi? Diphtheria toxin (DT) yog ib qho protein ntau ntxiv ntawm Corynebacterium diphtheriae uas txwv tsis pub cov protein sib sau thiab tua cov kab mob uas raug mob.
Kuj paub yog, leej twg nrhiav pom kab mob npaws?
Cov kab mob hawb pob bacillus yog nrhiav tau thiab txheeb xyuas los ntawm German bacteriologists Edwin Klebs thiab Friedrich Löffler.
Yuav ua li cas diphtheria toxin tua cov hlwb?
Diphtheria toxin tua cov hlwb los ntawm inhibiting eukaryotic protein synthesis, thiab nws cov txheej txheem ntawm kev ua tau nthuav dav. Cov haujlwm ADP-ribosylation ntawm diphtheria toxin yog txiav txim siab tag nrho los ntawm A fragment, thiab tsis muaj feem ntawm B fragment yog xav tau rau kev ua haujlwm catalytic.
Pom zoo:
Qhov sib txawv ntawm Bergey Phau Ntawv Teev Npe ntawm Kev Txiav Txim Siab Kab Mob thiab Bergey Phau Ntawv Qhia Txog Kab Mob Kab Mob Li Cas?
Lub koom haum ntawm Bergey Phau Ntawv Qhia ntawm Kab Mob Kab Mob ua rau nws ua tsis tau zoo los pab tso cov kab mob tsis paub mus rau hauv cov se loj, tab sis nws muaj cov ncauj lus kom ntxaws txog tsev neeg, tsev neeg, thiab hom tsiaj thiab tseem nyob deb dua hnub no dua li Phau Ntawv Txiav Txim Siab
Kev kho tus kab mob vais lav sib txawv li cas nrog kev kho tus kab mob kab mob?
Raws li koj tuaj yeem xav, kab mob kis tau los ntawm cov kab mob, thiab cov kab mob kis tau los ntawm cov kab mob. Tej zaum qhov sib txawv tseem ceeb tshaj plaws ntawm cov kab mob thiab cov kab mob yog tias cov tshuaj tua kab mob feem ntau tua cov kab mob, tab sis lawv tsis zoo rau cov kab mob
Puas yog tshuaj tua kab mob tua kab mob thiab kab mob?
Tshuaj tua kab mob tua kab mob thiab kab mob uas ua rau muaj mob. Cov tshuaj tua kab mob tsuas tua cov kab mob xwb. Lawv tsis ua haujlwm tiv thaiv kab mob. Qee zaum thaum koj noj tshuaj tua kab mob, cov kab mob yuav tiv taus lossis tiv taus
Leej twg pom tus kab mob ua npaws puerperal?
Nyob rau xyoo 1840s tus kws kho mob German-Hungarian Ignaz Semmelweis, uas yog tus ua haujlwm tom tsev kho mob hauv Vienna, tau tshawb pom qhov xwm txheej sib kis ntawm kub taub hau thiab tsim cov txheej txheem tshuaj tua kab mob los tiv thaiv tus mob
Kev kis kab mob ntawm daim tawv nqaij twg yog tshwm sim los ntawm kab lus nug kab mob?
Necrotizing fasciitis yog dab tsi?