Masana kimiyya a Cibiyar Bincike ta Duk-Russian Bincike na Kimiyyar Halittar Noma (VNIISB) sun gano maƙasudin gyara kwayoyin halittar shuke-shuke na dangin Solanaceae don samun amfanin gona mai jure wa cutar Y-virus.
Dankali cutar Y ne mafi cutarwa da kuma tartsatsi causative wakili na hoto ko bidiyo mai zagaya yanar gizo da sauri cututtuka na wannan shuka. Zai iya haifar da lalacewar tattalin arziki yayin da ake noma sauran kayan lambu (tumatir, barkono, eggplant) da tsire-tsire na ado (petunia). A cikin jerin ƙwayoyin cuta na tsire-tsire guda 10 waɗanda ke da fifiko mafi girma don binciken kwayoyin halitta, ƙwayar Y ta kasance ta biyar.
Chemicals ba su da tasiri a kan ƙwayoyin cuta na ƙwayoyin cuta (cututtuka masu yaduwa), kuma kawai noman amfanin gona da ke tsayayya da su zai iya kare tsire-tsire daga ƙwayoyin cuta.
Masana kimiyya a Laboratory of Plant Stress Resistance a VNIISB, a kan aiwatar da nazarin kwayoyin hanyoyin mu'amala a cikin dankalin turawa-Y-virus tsarin, gano maye gurbi na manufa gene da ke haifar da rushewar hulɗa tare da kwayar cutar kwayar cutar ta VPg na dankalin turawa. Y.
"Gano wadannan maye gurbi ya zama dole don aiki na gaba akan gyara kwayoyin halittar tsirrai don samun nau'ikan da ke da tsayayya da kwayar cutar Y," in ji shugaban dakin gwaje-gwaje, dan takarar Kimiyyar Halittu Vasily Taranov.
Amfanin CRISPR/Cas, fasahar da masana kimiyya ke aiki da ita, ita ce ta ba ka damar ƙirƙira ko inganta nau'ikan ta hanyar gabatar da maye gurbi kawai a cikin kwayoyin halitta, ba tare da shafar wasu ba.
A halin yanzu mataki na aiki, dakin gwaje-gwaje ma'aikatan sun riga sun ƙirƙiri de novo alleles na manufa gene tare da maki maye gurbi da kuma zaba, bisa sakamakon yisti biyu-hybrid bincike, wadanda alleles cewa su ne yuwuwar iya kara shuka juriya ga cutar Y. rufaffen fa'idar ƙaddamarwar fassarar tare da ƙarancin ikon ɗaure ga furotin mai hoto VPg (N).
Za a iya amfani da hanyoyin da aka gano na juriya a cikin fasahar kere-kere da kiwo don samun tsire-tsire masu jure kamuwa da cutar Y.