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SARS CoV-2, Coronaviruses Gaar ah

SARS CoV-2, Coronaviruses Gaar ah

Tan iyo kiiskii ugu horreeyay ee cudurka coronavirus, Diseembar 2019, cudurka faafa wuxuu ku faafay malaayiin qof oo adduunka oo dhan ah.Faafiddan caalamiga ah ee sheekadaCudurka halista ah ee neef-mareenka coronavirus 2 (SARS-CoV-2)waa mid ka mid ah kuwa ugu soo jiidashada badan oo khuseeya dhibaatooyinka caafimaadka adduunka ee maanta, taas oo khatar weyn ku ah adduunka oo saameeya dhammaan qaybaha nolosha aadanaha.[1]
Coronaviruses waa baqshad, dareen togan, fayrasyada RNA-da ee qoyska Coronaviridae, kuwaas oo leh noocyo badan oo martigeliyayaal ah sida aadanaha, fiidmeerta, geela, iyo noocyada avian-ka, oo ay ku jiraan xoolaha iyo xoolaha weheliya, kuwaas oo khatar ku ah caafimaadka bulshada. 1 Coronaviruses waxaa loo kala saaray qoys hoosaadkii Orthocoronavirinae, kaas oo loo sii kala qaybiyay afar nooc, oo ku salaysan kala duwanaanshaha borotiinka taxanaha: a-coronavirus, b-coronavirus, g-coronavirus, iyo d-coronavirus.The a-coronaviruses iyo b-coronaviruses kaliya waxay ku dhacaan naasleyda, halka g-coronaviruses iyo d-coronaviruses ay inta badan ku dhacaan shimbiraha, in kasta oo qaarkood ay ku dhici karaan naasleyda.HCoV-229E,

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oV-OC43, HCoV-NL63, HCoV-HKU1, SARSCoV, MERS-CoV, iyo SARS-CoV-2 waa toddobada coronaviruse ee la aqoonsaday inay ku dhacaan bini'aadamka.Waxaa ka mid ah, SARSCoV iyo MERS-CoV, kuwaas oo ka soo dhex baxay dadka bini'aadamka sannadihii 2002 iyo 2012, waa cudur-faritaan aad u sarreeya.Halka coronavirus-ka bini'aadamka (HCoV) -229E, HCoV-NL63, HCoV-OC43, ama HCoV-HKU1 ay sababaan hargabka caadiga ah,7 xanuunka daran ee neef-mareenka coronavirus 2 (SARS-CoV2), wakiilka sababta COVID-19, waa novel b-coronavirus, kaas oo goor hore soo muuqday dhamaadkii 2019 oo sababay dhimasho aad u xun.Calaamadaha asaasiga ah eeCOVID 19waxay la mid yihiin kuwa SARS-CoV iyo MERS-CoV: qandho, daal, qufac qalalan, laab xanuun, marmar shuban, iyo dyspnea.Si ka duwan kuwii horecaabuqa coronavirus (CoV)., faafinta degdega ah ee caalamiga ah, heerka gudbinta sareeyo, waqti dheer oo lagu beero, caabuqyo asymptomatic ah oo badan, iyo darnaanta cudurada SARS-CoV-2 waxay u baahan yihiin aqoon qoto dheer oo ku saabsan xeeladaha ka baxsanaya difaaca fayraska.

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Sida coronaviruses-ka kale ee bini'aadamka (SARS-CoV-2, MERS-CoV), SARSCoV-2 sidoo kale waxay leedahay hal-xidhaale, dareen togan RNA genome oo cabbirkiisu yahay 30kb.Sida ku cad Jaantuska 1, borotiinnada fayraska nucleocapsid (N) waxay ku xidhaan genome-ga isku-dhafka ribonucleoprotein (RNP), kaas oo markaa lagu daboolay dufanka iyo borotiinnada fayraska S (spike), M (membrane), iyo E (baqshadda).Dhammaadka 50 ee genome-ku waxa uu leeyahay laba qaybood oo akhris oo waaweyn oo furan (ORFs), ORF1a iyo ORF1b, oo ku dhejinaya polypeptides pp1a iyo pp1b, kuwaas oo loo soo saaray 16 borotiinno aan qaab dhismeed lahayn (NSPs) oo ku lug leh nooc kasta oo fayraska ah ee proteases NSP3 iyo NSP5 30-dhamaadka genome-ku wuxuu qeexayaa borotiinnada qaabdhismeedka iyo borotiinnada dheeriga ah, kuwaas oo ORF3a, ORF6, ORF7a, iyo ORF7b la xaqiijiyay inay yihiin borotiinno qaab-dhismeed fayras ah oo ku lug leh. samaynta qaybaha fayrasyada iyo ORF3b iyo ORF6 waxay u shaqeeyaan sidii interferon antagonists.Marka loo eego sharraxaadda hadda jirta ee ku saleysan isku xigxiga la midka ah b-coronaviruses kale, SARS-CoV-2 waxaa ku jira saadaasha lix borotiinno dheeri ah (3a, 6, 7a, 7b, 8, iyo 10).Si kastaba ha ahaatee, dhammaan ORF-yadan weli si tijaabo ah looma xaqiijin, iyo tirada saxda ah ee hiddo-wadaha ka midka ah ee SARS-CoV-2 ayaa weli ah qodob laga doodayo.Sidaa darteed, weli ma cadda hiddo-wadaha ka-qaybgalka ah ee dhab ahaantii lagu muujiyay genome-gan is haysta.[2]
Tijaabooyin gaar ah oo xasaasi ah ayaa muhiim ah si loo aqoonsado loona maareeyo bukaannada COVID-19 iyo sidoo kale hirgelinta tillaabooyinka xakamaynta si loo xaddido dillaaca.Tijaabooyinka molecular-ka-Daryeelka (POC) waxay awood u leeyihiin inay oggolaadaan ogaanshaha hore iyo 2 go'doominta kiisaska SARS-CoV-2 ee la xaqiijiyey, marka la barbar dhigo hababka ogaanshaha shaybaarka ku saleysan, taasoo yareyneysa gudbinta qoyska iyo bulshada.
[1] Saamaynta caafimaad iyo hawleed ee daryeelka degdega ah ee SARS-CoV-2 ee waaxda gurmadka
[2] Dagaalka u dhexeeya martida loo yahay iyo SARS-CoV-2: Difaaca gudaha iyo xeeladaha fayraska


Waqtiga boostada: May-25-2022