Tizilombo taulimi timawononga ndalama zoposa $ 100 biliyoni pachaka. Mankhwala achikhalidwe amagwira ntchito koma amatha kukhala oopsa. Kuonjezera apo, mankhwala ambiri omwe amagwiritsidwa ntchito ku zomera amamanga m'nthaka, m'madzi kapena chakudya ndipo amawononga tizilombo topindulitsa monga njuchi ndi agulugufe.
Tizilombo zambiri zowononga, udzu, ma virus ndi bowa wa phytopathogenic ayamba kukana mankhwala ophera tizilombo. Alimi ali ndi njira zochepa zochepetsera zowononga tizilombo.
Kwa zaka zambiri, alimi akhala akugwiritsa ntchito mankhwala ophera tizilombo a petroleum monga neonicotinoids, pyrethroids, carbamates ndi organophosphates. Zinthu zimenezi zimapha chirichonse, kuphatikizapo tizilombo topindulitsa, zimawononga zomera ndikukhalabe m’chilengedwe kwa zaka zambiri, kuwononga nthaka yabwino ndiponso kuipitsa madzi.
GreenLight Bioscience ikuyang'ana njira zina zotetezera mbewu ku mankhwala ophera tizilombo. Pakatikati pa kafukufuku wawo ndi RNA. M'kati mwa ntchitoyi, asayansi adapeza kuti ngati mubaya dsRNA mu tizilombo toyambitsa matenda - mwachitsanzo, bakiteriya - mukhoza kukakamiza maselo a tizilombo toyambitsa matenda kuti awononge mRNA yake ndikuletsa kupanga mapuloteni ofunikira. Kuphatikiza apo, asayansi adatha kukhazikitsa ukadaulo wolepheretsa majini ena mu tizilombo toyambitsa matenda.
Podziwa izi, ofufuzawo adapanga zopopera zapadera za RNA zomwe zimayang'ana jini kapena jini kuphatikiza kwa tizilombo. Chifukwa chake, kampani ya GreenLight Biosciences ikugwira ntchito yopanga utsi womwe umagwira ntchito pachitetezo cha chitetezo cha mthupi cha njenjete za kabichi. Ngati m'kupita kwa nthawi tizilombo akufotokozera kukana kutsitsi, asayansi mosavuta kusintha zikuchokera mankhwala. Mamolekyu a RNA angagwiritsidwe ntchito kuwongolera mafotokozedwe a majini. Kugwiritsa ntchito njira yotetezeka ya RNA ku zomera kumapha tizirombo ndikusunga chomera chathanzi ndikuchepetsa kuwononga chilengedwe.
Kuphatikiza apo, GreenLight Biosciences imapereka kutsitsi kwa RNA komwe kumalepheretsa kachilomboka ka Colorado mbatata. Utsiwu ukuyesedwa pano ndi US Environmental Protection Agency (EPA). Dipatimentiyi ipanga chisankho chomaliza pakati pa 2022.
Asayansi ndi odzipereka kupatsa alimi njira zotetezeka, zotsika mtengo komanso zolunjika zomwe zimaletsa tizilombo poteteza mbewu, zotulutsa mungu ndi nthaka kukolola kusanachitike komanso pambuyo pake.