Video: Dab tsi ua kom muaj peev xwm ntawm cov kab mob pathogenic ua rau muaj kab mob?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Virulence yam pab kab mob mus rau (1) nkag rau tus tswv tsev, (2) ua kab mob , thiab (3) zam tus tswv tsev tiv thaiv. Exotoxins: Exotoxins suav nrog ntau hom protein co toxins thiab enzymes tsim thiab/lossis zais los ntawm cov kab mob pathogenic . Cov pawg loj suav nrog cytotoxins, neurotoxins, thiab enterotoxins.
Hauv qhov no, cov txheej txheem dab tsi ua rau muaj peev xwm ntawm cov kab mob pathogenic ua rau muaj kab mob?
Muaj nuj nqi. Tshuaj ntsiav yog suav tias yog virulence factor vim nws txhim kho cov muaj peev xwm ntawm kab mob ua rau muaj kab mob (xws li tiv thaiv phagocytosis). Cov tshuaj ntsiav tuaj yeem tiv thaiv cov hlwb los ntawm kev nkag mus los ntawm cov hlwb eukaryotic, xws li macrophages. Yuav tsum tau txhaj tshuaj tiv thaiv kab mob tshwj xeeb rau tshuaj phagocytosis.
Qhov thib ob, hom kab mob dab tsi muaj peev xwm ua rau cov kab mob Peter? Ntau yam kab mob me me tuaj yeem ua rau muaj kab mob. Cov kab mob hauv lub cev muaj tsib yam tseem ceeb: kab mob, kab mob , fungi, protozoa, thiab cua nab. Qee cov kab mob sib kis hauv txhua pab pawg tau teev tseg hauv kab lus ntawm sab xis. Cov kab mob sib kis tuaj yeem loj hlob nyob rau ntau qhov chaw hauv lub cev, raws li qhia hauv kab lus hauv Daim Duab.
Yog li, dab tsi ua rau cov kab mob ua rau muaj kab mob?
Tsis yog tag nrho kab mob ua rau kab mob. Cov uas tuaj yeem raug hu cov kab mob pathogenic . Koj lub cev tuaj yeem yooj yim dua kab mob kis kab mob thaum koj lub cev tiv thaiv kab mob los ntawm tus kab mob. Lub xeev tus kab mob ua los ntawm tus kab mob ua rau ib txwm tsis muaj kev phom sij kab mob los ua kab mob.
Cov kab mob dab tsi tshwj xeeb ua rau kom muaj kab mob ntau ntxiv ntawm cov kab mob?
Cov pili lossis fimbriae feem ntau koom nrog kev ua raws (txuas) ntawm kab mob cov cell rau ntawm qhov chaw. Hauv cov xwm txheej kho mob, lawv yog tus txiav txim siab loj ntawm kab mob virulence vim tias lawv tso cai rau cov kab mob txuas rau (colonize) cov ntaub so ntswg thiab, qee zaum, los tawm tsam los ntawm phagocytic cov qe ntshav dawb.
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