Masayendisiti kubva kuAll-Russian Research Institute yeAgriculture Biotechnology (VNIISB) vakawana zvinangwa zvekugadzirisa magene emiti yemhuri yeSolanaceae kuitira kuti vawane zvirimwa zvinopesana neY-virus.
Potato hutachiona Y ndiyo inonyanya kukuvadza uye yakapararira causative mumiririri wehutachiona hutachiona hwemuti uyu. Zvinogona kukonzeresa kukuvara kwakakura mune zvehupfumi mukurimwa kwezvimwe zvirimwa zvemuriwo (tomato, mhiripiri, bhabheri) nemiti yekushongedza (petunia). Mune rondedzero yemavirusi gumi emiti yezvinonyanya kukosha pakutsvagisa mamorekuru, iyo Y-hutachiona iri pachishanu.
Kugadzirira kwemakemikari hakubatsiri kurwisa utachiona hwehutachiona (hutachiona hutachiona), uye chete kurimwa kwezvirimwa zvinopesana nazvo ndiko kunokwanisa kudzivirira zvirimwa kubva kuhutachiona.
Masayendisiti kubva murabhoritari yekudyara kunetsekana neiyo All-Russian Sayenzi Yekutsvagisa Institute yekudyara Kudyara muchirongwa chekudzidza mamorekuru ekudyidzana mumbatatisi - Y-hutachiona system yakaratidza shanduko mune yakanangwa geni inotungamira mukutyora kwekudyidzana. nehutachiona hweprotein VPg yehutachiona hwembatatisi Y.
"Kuzivikanwa kweshanduko idzi kwakakosha kuitira basa rinotevera rekugadzirisa genome yemiti kuitira kuti uwane mafomu asingabatiki nehutachiona hweY," akadaro Vasily Taranov, mukuru werabhoritari, Candidate weBiological Sayenzi.
Kubatsira kweCRISPR / Cas, tekinoroji iyo masayendisiti anoshanda nayo, ndeyekuti iyo inokutendera iwe kuti ugadzire kana kugadzirisa mhando nekuunza shanduko chete mune zvakanangwa magene, pasina kukanganisa zvimwe zvese.
Padanho razvino rebasa, vashandi ve murabhoritari vakatogadzira de novo alleles yeiyo target gene pamwe nekuchinja poindi uye kusarudzwa, zvichibva pamhedzisiro yeiyo mbiriso maviri-akasanganiswa ongororo, iwo ma alleles anogona kuve anokwanisa kuwedzera kupokana kwemiti kuhutachiona hweY. , encoding yedudziro yekutanga chinhu ine hurema hwekugona kusunga kune yehutachiona protein VPg (N).
Iwo anozivikanwa mamorekuru maitiro ekurwisa anogona kuiswa mu biotechnology uye kuberekana kuitira kuti uwane zvirimwa zvinopesana neY.