![Dab tsi yog prion hauv microbiology? Dab tsi yog prion hauv microbiology?](https://i.answers-medical.com/preview/medical-health/14125544-what-is-prion-in-microbiology-j.webp)
Video: Dab tsi yog prion hauv microbiology?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Prions . A prion yog hom protein uas tuaj yeem ua rau muaj kab mob hauv tsiaj thiab tib neeg los ntawm kev ua kom muaj cov protein zoo nyob hauv lub hlwb kom quav tsis tau. Cov prion hom kev txiav txim siab sib txawv heev rau cov kab mob thiab kab mob vim lawv tsuas yog cov protein, tsis muaj cov khoom siv caj ces. Prions hauv "vwm nyuj" lub hlwb.
Tom qab ntawd, tus kab mob prion yog dab tsi?
' Prion ' yog ib lo lus thawj zaug siv los piav qhia txog tus kab mob sib kis tsis zoo uas lub luag haujlwm rau ntau yam kab mob neurodegenerative pom hauv cov tsiaj, suav nrog tus kab mob Creutzfeldt-Jakob (CJD) hauv tib neeg. (Txhua tus paub kab mob ua ntej, xws li kab mob thiab kab mob , muaj cov nucleic acids, uas ua rau lawv rov tsim dua.)
Tsis tas li ntawd, prions puas muaj sia nyob? Tsis yog xwb yog prions tsis ciaj (thiab tsis muaj DNA), lawv muaj peev xwm ciaj sia raug boiled, raug kho nrog tshuaj tua kab mob, thiab tseem tuaj yeem kis tau rau lwm lub hlwb tom qab lawv raug xa mus rau lub scalpel lossis lwm yam cuab yeej.
Tib neeg tseem nug, dab tsi yog prion thiab nws ua rau muaj kab mob li cas?
Cov kab mob Prion tshwm sim thaum ib txwm muaj prion cov protein, pom nyob saum npoo ntawm ntau lub cell, dhau los ua qhov txawv txav thiab ua rau hauv lub hlwb, ua rau lub paj hlwb puas. Qhov no txawv txav ntawm cov protein nyob rau hauv lub hlwb tuaj yeem ua rau kev nco tsis zoo, kev hloov tus kheej, thiab teeb meem nrog kev txav chaw.
Ib qho piv txwv ntawm tus kab mob prion yog dab tsi?
Kab mob Prion yog tshwm sim los ntawm cov ntaub ntawv tsis raug ntawm prion protein, tseem hu ua PrP. Cov no kab mob cuam tshuam ntau yam tsiaj txhu sib txawv ntxiv rau tib neeg - piv txwv li, muaj scrapie hauv yaj, nyuj vwm kab mob nyob rau hauv nyuj, thiab ntev nkim kab mob hauv mos lwj.
Pom zoo:
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