Me yasa amfanin gona masu jure wa kwari suka zama masu jure wa kwari? Wannan ya fara ne da gano "kwayar halittar furotin mai jure wa kwari". Fiye da shekaru 100 da suka gabata, a wani kamfanin niƙa a ƙaramin garin Thuringia, Jamus, masana kimiyya sun gano wata ƙwayar cuta mai ayyukan kashe kwari kuma suka sanya mata suna Bacillus thuringiensis bayan garin. Dalilin da ya sa Bacillus thuringiensis zai iya kashe kwari shine saboda yana ɗauke da wani furotin na musamman mai jure wa kwari. Wannan furotin mai hana kwari na Bt yana da takamaiman takamaiman kuma yana iya ɗaurewa ne kawai ga "masu karɓa" a cikin hanjin wasu kwari (kamar kwari na "lepidopteran" kamar ƙwari da malam buɗe ido), wanda ke sa kwari su huda su mutu. Kwayoyin gastrointestinal na mutane, dabbobi da sauran kwari (ƙwayoyin da ba "Lepidopteran" ba) ba su da "masu karɓa na musamman" waɗanda ke ɗaure wannan furotin. Bayan shiga hanyar narkewar abinci, furotin mai hana kwari zai iya narkewa kawai ya lalace, kuma ba zai yi aiki ba.
Saboda furotin na Bt ba shi da lahani ga muhalli, mutane da dabbobi, an yi amfani da ƙwayoyin cuta masu rai tare da shi a matsayin babban sashi a cikin samar da amfanin gona sama da shekaru 80. Tare da haɓaka fasahar transgenic, masu kiwon gona sun canja kwayar halittar "protein mai jure kwari" zuwa amfanin gona, wanda hakan ya sa amfanin gona suma su jure kwari. Sunadaran da ke jure kwari waɗanda ke aiki akan kwari ba za su yi aiki akan mutane ba bayan sun shiga cikin tsarin narkewar abinci na ɗan adam. A gare mu, furotin mai jure kwari yana narkewa kuma yana lalacewa ta jikin ɗan adam kamar furotin da ke cikin madara, furotin da ke cikin alade, da furotin da ke cikin tsire-tsire. Wasu mutane suna cewa kamar cakulan, wanda mutane ke ɗauka a matsayin abinci mai daɗi, amma karnuka ke guba shi, amfanin gona masu jure kwari da aka gyara suna amfani da irin waɗannan bambance-bambancen nau'ikan, wanda kuma shine ainihin kimiyya.
Lokacin Saƙo: Fabrairu-22-2022