A cikin wani bincike mai ban sha'awa, an ga wata cuta mai yaɗuwa wacce yawanci ke cutar da tsire-tsire daga dangin kabeji, irin su broccoli da farin kabeji, a zahiri an ga tana cin gajiyar masu masaukinta a lokacin rikici. A lokacin fari, masu bincike sun gano kwayar cutar mosaic na turnip na iya canzawa daga hanawa zuwa taimako, ta canza agogon circadian na mai masaukin ta don haka shukar ta rasa ruwa kadan.
Yanayin muhalli muhimmin al'amari ne da ke haifar da juyin halitta. Wannan binciken yana bincika tasirin damuwa na fari a cikin juyin halittar ƙwayoyin cuta. Tawagar ta haifar da mosaic potyvirus turnip a cikin ruwa mai kyau da yanayin fari a cikin Arabidopsis thaliana accessions wanda ya bambanta da martaninsu ga kamuwa da cuta. Daidaita ƙwayoyin cuta ya faru a duk hanyoyin shiga ba tare da yanayin shayarwa ba.
Kwayoyin da suka samo asali daga fari sun ba da juriyar juriyar fari ga tsire-tsire masu kamuwa da cuta. Sabanin haka, an sami karuwar haƙuri mara ganuwa a cikin tsire-tsire masu kamuwa da ƙwayoyin cuta waɗanda suka samo asali a ƙarƙashin daidaitaccen ruwa. Girman wannan tasirin ya dogara ne akan haɓakar shuka. Bambance-bambance a cikin haƙuri sun haɗa da sauye-sauye a cikin maganganun kwayoyin halitta, wasu suna da hannu wajen daidaita tsarin agogon circadian, da kuma canje-canje mai zurfi a cikin ma'auni na phytohormones da ke tsara matakan tsaro da girma. Sakamakon ya nuna cewa ƙwayoyin cuta na iya haɓaka rayuwa mai masaukin baki a cikin yanayi na damuwa na ƙwayoyin cuta, tare da girman irin wannan fa'idar kasancewa zaɓaɓɓen hali.
Karanta cikakken bincike a www.pnas.org.
Rubén González, Anamarija Butković, Francisco J. Escaray, Javier Martínez-Latorre, Ízan Melero, Enric Pérez-Parets, Aurelio Gómez-Cadenas, Pedro Carrasco, Santiago F. Elena, Gabatarwa na Cibiyar Kimiyya ta Kasa Feb 2021, 118 ) e6; DOI: 2020990118/pnas.10.1073,