Ka taƙaita labarin:  Wata kwayar halitta da ke sa man koko ya narke sosai za ta iya sa a ƙirƙiro wasu irin cakulan, da kayan shafawa da kuma magunguna. Masu binciken Amurka sun gano cewa kwayar halittar da ake kira TcSAD1 ce ke da alhakin narkewar man koko. Masana kimiyyar halittar tsire-tsire sun ce ganowarsu na iya haifar da sabbin nau'ikan tsire-tsire na koko da ke jurewa da canjin yanayi, wanda zai iya haɓaka amfanin gona da kuma kuɗin da manoma ke samu. Wani kwayar halittar da ke da hannu wajen tantance yanayin narkewar man koko na iya haifar da kirkirar sabbin nau'ikan cakulan da kayan kwalliya da magunguna, in ji masana kimiyya. Fiye da manoma koko miliyan biyar da iyalansu sun dogara da koko don rayuwarsu a duk faɗin duniya, inda ake noma Cacao, Theobroma cacao L a Yammacin Afirka, Amurka ta Tsakiya da Kudancin Amurka. Gidauniyar Cocoa ta Duniya ta kimanta cewa ana samar da koko miliyan 3.8 a kowace shekara a dukan duniya, wanda aka kimanta da dala biliyan 11.8. Kowane kwalliyar koko tana da tsaba 40, wanda aka hada da man koko kuma ana amfani da shi wajen yin cakulan <unk> da wasu kwayoyi. Babban mai binciken Mark Guiltinan, farfesa a fannin nazarin halittu na tsirrai a Kwalejin Kimiyya na Noma ta Jihar Penn ya ce man shanu na koko da ke da canjin yanayin narkewa zai iya samun sababbin amfani a cakulan na musamman, kayan shafawa da magunguna. Masu binciken Amurka sun gano cewa kwayar halittar da ake kira TcSAD1 ita ce ke da alhakin narkewar man shanu na koko. Masana ilimin halittar tsire-tsire sun ce binciken su na iya haifar da sabbin nau'ikan tsire-tsire na koko masu tsayayya da canjin yanayi. Babban mai samar da kayan zaki na duniya, ya shiga Mars a watan Nuwamba a cikin gargadi game da karancin cakulan, wanda zai iya kaiwa tan miliyan a shekara ta 2020. Kungiyar Barry Callebaut ta Switzerland ta ce hauhawar bukatar ta taimaka farashin cakulan ya ninka fiye da ninki biyu na abin da suka kasance shekaru takwas da suka gabata. Masana masana'antu sun ce duniya tana cikin karancin samarwa mafi tsawo a cikin shekaru hamsin....
Masana ilimin halittar tsirrai a Jami'ar Jihar Pennsylvania sun gano cewa kwayar halitta guda daya da ake kira TcSAD1 ita ce ke da alhakin narkewar man shanu na koko. Binciken zai iya haifar da cakulan tare da rubutun musamman da sababbin kwayoyi kuma. Bincike kuma za a iya amfani da shi don ƙirƙirar sababbin nau'ikan tsire-tsire na koko. Masana na fatan binciken zai amfanar da manoman da ke noman koko.