Puas yog poliovirus yog picornavirus?
Puas yog poliovirus yog picornavirus?

Video: Puas yog poliovirus yog picornavirus?

Video: Puas yog poliovirus yog picornavirus?
Video: poliovirus video 2024, Lub Xya hli ntuj
Anonim

Tsev neeg: Picornaviridae

Ib yam li ntawd, tib neeg nug, yog Coxsackie yog picornavirus?

Coxsackieviruses. Coxsackieviruses txawv ntawm lwm pab pawg ntawm picornaviruses los ntawm lawv cov kab mob rau cov nas ntxais thiab los ntawm kev faib tawm ntawm lawv cov antigenicity. Lawv raug cais raws li coxsackievirus cov pab pawg A (A1 txog A, A24) thiab coxsackievirus cov pawg B (B1 txog B6) (Table 53-2).

Tsis tas li ntawd, polio puas yog acid labile? Tus kab mob Polio yog ceev, kua qaub -tiv thaiv, ruaj khov , cov ntaub so ntswg tshwj xeeb thiab muaj ib leeg-stranded, zoo RNA. Tus kab mob Polio muaj peev xwm nyob hauv caj pas lossis txoj hnyuv ntawm tib neeg.

Hauv qhov no, dab tsi ua rau picornavirus?

Kab mob sib kis picornaviruses tej zaum yuav asymptomatic los yog ua rau cov tsos mob xws li mob aseptic meningitis (kab mob kis tau yooj yim tshaj plaws ntawm CNS), mob hlwb, mob khaub thuas, mob ua npaws (mob tes-taw-thiab-qhov ncauj), kab mob sib kis, herpangina, myositis thiab myocarditis, thiab kab mob siab.

Dab tsi yog primer rau picornavirus replication?

Txhua picornaviruses muaj protein ntau, VPg, covalently txuas rau 5'-kawg ntawm lawv cov genomes. Uridylylated VPg (VPg-pUpU) yog xav kom ua cov protein primer rau RNA synthesis.

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