Viruslar (biologiya)

Muallif: Laura McKinney
Yaratilish Sanasi: 1 Aprel 2021
Yangilanish Sanasi: 16 Mayl 2024
Anonim
Viruslar | Viruslar | Biologiya
Video: Viruslar | Viruslar | Biologiya

Tarkib

A virus a mikroorganizm bu turli xil kasalliklarni keltirib chiqaradi. U ichidagi genetik materialdan tashkil topgan va oqsil birikmasi bilan qoplanganligi bilan ajralib turadi. Viruslarning xususiyati shundaki, ular hujayraning markaziga kirib, keyin uning ichida ko'payadi. Viruslarning hajmi 20 dan 500 millimikrgacha o'zgarib turadi.

Ular atrofida, mavjud 5000 ta virus aniqlandi. Shu bilan birga, virus o'zining genetik materialini o'zgartirishi (mutatsiyalashi) mumkin, yangi viruslar yoki avvalgilariga qaraganda ancha chidamli viruslar paydo bo'lishi mumkin. Bu shuni anglatadiki, har qanday virus u kirib kelgan hujayra ishtirokida tarqaladi yoki ko'payadi, shuning uchun ajratilgan virus ko'paytira olmaydi va o'lishi mumkin.

Biroz virus bitta turga ta'sir qiladi, boshqalari esa bir nechta turga ta'sir qiladi. Virusning og'irligi (o'lim darajasi) virusni davolash (topilgan yoki topilmagan) bilan bog'liq bo'ladi. Shunday qilib, hozirgi paytda o'lik deb hisoblash mumkin bo'lmagan viruslar mavjud, masalan, parotit virusi, boshqalari esa hali ham aniq ko'rinmaydigan davolash vositasi, masalan, OIV (OITS virusi).


Boshqa tomondan, har bir organizm hujayralari yuqtirgan virusga qarshi kurashishini aniqlashtirish muhimdir. Immunitet tizimining holati tirik mavjudot ta'sirlangan, virusga qarshi kurashadi. Immunitet tizimining holati qanchalik yaxshi bo'lsa, u virusga qarshi antikorlar bilan kurashish uchun ko'proq vositalarga ega bo'ladi. Ushbu antikorlar qonda uchraydi va ularni limfotsitlar deb atashadi.

  • Shuningdek qarang: Bakteriyalar.

Viruslarga misollar

  • Adenovirus
  • Arbovirus (ensefalit)
  • Arenaviridae
  • Baculoviridae
  • LCM-Lassa virusli komplekslari (Old Continent arenavirus)
  • Tacaribe virusli komplekslari (New World arenavirus)
  • Sitomegalovirus
  • Sariq flavivirus (sariq isitma)
  • Gripp a
  • H1N2, odamlarda va cho'chqalarda tarqalgan.
  • 1957 yilda Osiyo grippi uchun javobgar bo'lgan H2N2.
  • 1968 yilda Gonkong grippiga sabab bo'lgan H3N2.
  • H5N1, 2007-08 yillarda pandemiya tahdidi uchun javobgardir.
  • Oddiy bo'lmagan zoonotik potentsialga ega H7N733.
  • Xantaan (koreys gemorragik isitmasi)
  • Gepatit A, B, C
  • Oddiy gerpes (oddiy gerpes)
  • Herpes simplex virusi 1 va 2 turlari
  • Inson gerpesvirusi 7
  • Inson gerpesvirusi 8 (HHV-8)
  • Herpesvirus simiae (virus B)
  • Varikella-zoster herpesvirusi
  • Megavirus chilensis
  • Miksovirus parotitlari (parotit)
  • Boshqa LCM-Lassa virusli komplekslari
  • Papillomaviridae (Papillomas)
  • Papovavirus (inson papillomavirusi)
  • Paramyxoviridae:
  • Parotit (parotit)
  • Parvovirus (Canine Parvovirus)
  • Inson parvovirusi (B 19)
  • Picornaviridae
  • Poliovirus (poliomielit)
  • Poxvirus (yuqumli mollyuskum kasalligi virusi)
  • Rinovirus
  • Rotavirus
  • SARS
  • Variola virusi (chechak)
  • OIV (inson immunitet tanqisligi virusi)
  • Belgrad virusi (yoki Dobrava)
  • Bhanja virusi
  • BK va JC virusi
  • Bunyamwera virusi
  • Coxsackie virusi
  • Epstein-Barr virusi
  • Gemorragik kon'yunktivit virusi (AHC)
  • Lenfotsitik choriomeningit virusi (boshqa shtammlar)
  • Lenfotsitik choriomeningit virusi (neyrotrop shtammlar)
  • Kaliforniya ensefaliti virusi
  • Nyukasl kasalligi virusi
  • A, B va C turdagi gripp (gripp) viruslari
  • Gepatit A virusi (odamning enterovirus turi 72)
  • Parainfluenza virusi 1 dan 4 gacha
  • Varicella Zoster virusi (Varicella)
  • Parotit virusi
  • Lassa virusi
  • Qizamiq virusi
  • Dhori va Thogoto viruslari
  • Echo virusi
  • Flexal virus
  • Germiston virusi
  • Guanarito virusi
  • Junin virusi
  • Inson limfotrop virusi B (HBLV-HHV6)
  • Machupo virusi
  • Mopeia virusi
  • Oropouche virusi
  • Prospect Hill virusi
  • Puumala virusi
  • nafas yo'llarining sinsitial virusi
  • Sabia virusi
  • Seul virusi
  • Noma'lum virus (sobiq Muerto Kanyoni)



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