Ososayensi be-All-Russian Research Institute of Agricultural Biotechnology (VNIISB) bathole okuhlosiwe kokuhlelwa kofuzo kwezitshalo zomndeni wakwaSolanaceae ukuze bathole izitshalo ezimelana negciwane le-Y.
I-Potato virus Y iyimbangela eyingozi kakhulu futhi esabalele yezifo ezibangelwa amagciwane zalesi sitshalo. Kungabangela umonakalo omkhulu kwezomnotho lapho kutshalwa ezinye izitshalo zemifino (utamatisi, pepper, isitshalo seqanda) kanye nezitshalo zokuhlobisa (petunia). Ohlwini lwamagciwane ezitshalo ayi-10 abaluleke kakhulu ocwaningweni lwamangqamuzana, igciwane elingu-Y likleliswe endaweni yesihlanu.
Amakhemikhali awasebenzi ngokumelene namagciwane amagciwane (izifo ezithathelwanayo), futhi ukutshalwa kwezitshalo ezimelana nawo kuphela okungavikela izitshalo kumagciwane.
Ososayensi baseLabhorethri Yokumelana Nokucindezeleka Kwezitshalo e-VNIISB, ohlelweni lokufunda izindlela zamangqamuzana zokusebenzisana ohlelweni lwe-potato-Y-virus, bahlonze ukuguqulwa kofuzo oluhlosiwe oluholela ekuphazamisekeni kokuxhumana ne-viral protein VPg yegciwane lamazambane. Y.
"Ukuhlonzwa kwalokhu kuguqulwa kuyadingeka emsebenzini olandelayo wokuhlela i-genome yezitshalo ukuze kutholwe amafomu amelana negciwane le-Y," kusho inhloko yelabhorethri, I-Candidate of Biological Sciences uVasily Taranov.
Inzuzo ye-CRISPR/Cas, ubuchwepheshe ososayensi abasebenza nabo, ukuthi ikuvumela ukuthi udale noma uthuthukise izinhlobo ngokwethula ukuguqulwa kwezakhi zofuzo kuphela, ngaphandle kokuthinta abanye.
Esigabeni samanje somsebenzi, izisebenzi zaselabhorethri sezivele zidale ama-de novo alleles ofuzo oluqondiwe olunoguquko lwamaphuzu futhi akhethiwe, ngokususelwa emiphumeleni yokuhlaziywa kweyeast two-hybrid, lawo ma-allele anamandla okwandisa ukumelana kwezitshalo kugciwane elingu-Y, ukubhala ngekhodi isici sokuqalisa ukuhumusha esinekhono elingasebenzi kahle lokuhlanganisa iphrotheni yegciwane i-VPg (N ).
Izindlela zamangqamuzana zokumelana nezifo zingasetshenziswa ku-biotechnology kanye nokuzalanisa ukuze kutholwe izitshalo ezimelana negciwane elingu-Y.