Mofuputsi oa Cornell o phethile lenaneo la lilemo tse mashome ho hlahisa mefuta e mecha ea tamati eo ka tlhaho e hanelang likokoanyana le ho fokotsa phetiso ea mafu a kokoana-hloko ke likokoanyana.
Martha Mutschler-Chu, molemi oa limela le setsebi sa liphatsa tsa lefutso ea etellang pele lenaneo, haufinyane tjena o kentse sete ea lipatlisiso tsa tamati e hananang le likokoanyana Lefapheng la Temo la United States la germplasm system le Tomato Genetics Resource Center Univesithing ea California-Davis, e tla e be teng bakeng sa mang kapa mang ho fihlella dimela bakeng sa dipatlisiso.
Selemong sena, Mutschler-Chu o tla phethela nts'etsopele ea mela e mecha e 20 ea batho ba maemo a holimo, e tla fumaneha k'hamphani efe kapa efe e nang le thahasello, e ka hlahisang mefuta e hanyetsanang le likokoanyana ka mefuta ea khoebo. Ho hlahisa mefuta e mecha ho ka nka lik'hamphani tsa peo ho fihlela lilemo tse hlano pele li qala ho rekisa mefuta e mecha e hanyetsanang le likokoanyana.
Bakeng sa balemi, melemo ena e tla fana ka tahlehelo e fokolang ea lijalo le tšenyo ea litholoana, ha e ntse e felisa kapa e fokotsa tšebeliso ea chefo e bolaeang likokoanyana le ho sireletsa tikoloho.
Ho hanyetsa likokoanyana ka har'a tamati ena ho ile ha itloaetsa ho tsoa ho tamati e hlaha ea Peru, Solanum pennellii. Tamati ea Andes e na le moriri o monyenyane o bitsoang trichomes o ntšang marotholi a metsoako ea tsoekere, e bitsoang acylsugars, e lelekang likokoanyana. Ka tsela ena, limela ka mokhoa o sireletsehileng le ka tlhaho li thibela mefuta e mengata ea likokoanyana, ho li thibela ho fepa, ho ja makhasi le ho fetisetsa likokoana-hloko, kapa ho behela mahe, moo li-larvae li ka senyang limela.
"Mehala e mecha e kopanya limela le litholoana tsa boleng bo holimo tse nang le li-acylsugars tse phahameng, lik'hamphani tse kopaneng tsa peo li hloka ho fetisetsa mofuta oa acylsugar mefuteng ea khoebo," ho boletse Mutschler-Chu, moprofesa ea hlahelletseng Sekolong sa Saense e Kopanetsoeng ea Semela, Ho Hlahisa Limela le Karolo ea Liphatsa tsa lefutso. , karolo ea Koleche ea Temo le Bohlale ba Bophelo.
Litekong tsa masimong le tsa laboratori tsa mela ea pele ea lipatlisiso, bo-rasaense ba limela ba Cornell le balekane ba bang ba supileng ba univesithi (North Carolina State University; Univesithi ea Georgia, Clemson University; Univesithi ea Florida; Univesithi ea California, Davis; Univesithi ea California, Riverside; le Tennessee Tech University) e fumane hore maemo a nepahetseng le mofuta oa li-acylsugars li laola li-thrips tsa lipalesa tsa bophirima tse jalang matheba a matheba. kokoana-hloko, le lintsintsi tse tšoeu tsa litapole, tse fetisang kokoana-hloko ea lekhasi le mosehla. Ka lebaka leo, limela tse fokolang haholo li ile tsa tšoaetsoa ke mafu ana a senyang le, ho liteko tsa tšimo, ts'oaetso eo e etsahetse morao nakong ea selemo.
"Bakeng sa taolo e ntle ka ho fetisisa ea vaerase, ke khothalelitse hore lik'hamphani tsa peo li sebelise mokhoa oa mekhahlelo e 'meli: ho theha mefuta e nyalisitsoeng e nang le mofuta oa acylsugar le mefuta e tloaelehileng ea ho hanyetsa kokoana-hloko," ho boletse Mutschler-Chu. Haeba likokoanyana li khona ho tšoaetsa semela ka kokoana-hloko ho sa tsotellehe li-acylsugars, liphatsa tsa lefutso tse hanyetsanang le kokoana-hloko li fana ka tšireletso e eketsehileng.
"Ke sistimi e tla sireletsa ts'ebeliso ea liphatsa tsa lefutso tsa kokoana-hloko hobane haeba ho na le kokoana-hloko e fokolang e kenang semela, monyetla oa hore vaerase e ka ba le phetoho e sa reroang e bakang khatello e hlolang khanyetso le eona ea theoha," ho boletse Mutschler-Chu. Ka mokhoa o ts'oanang, kaha li-acylsugars ha li chefo 'me ha li bolaee likokoanyana, ho na le khatello e fokolang ea khetho bakeng sa likokoanyana ka botsona hore li mamelle, kahoo li ikamahanya butle le se lelekang.
Mehala e mecha ea batho ba phahameng sechabeng, e tla tloha e fumaneha ho lik'hamphani tsa peo, e na le boholo ba liphatsa tsa lefutso tse hlaha tse tsoang ho S. pennellii tse khothalletsang mekhoa e sa rateheng ea agronomically e tlosoa liphatseng tsa bona tsa lefutso. Mutschler-Chu o bolokile liphatsa tsa lefutso tsa acylsugar tse mahlonoko ha a ntse a tlosa liphatsa tse ling tse ngata tse hlaha tse bakileng litšobotsi tse mpe joalo ka makala a feteletseng, litholoana tse nyane le monko o monate. Leha mela ea pele ea lipatlisiso e na le hoo e ka bang 12% ea hlaha S. pennellii DNA, mela e mecha ka ho fetesisa e theohetse ho hoo e ka bang 2.5% ea DNA e hlaha.
Ka mantsoe a pharaletseng, mosebetsi o bontša mokhoa oa ho kenyelletsa tšobotsi ea bohlokoa, e thehiloeng ho motsoako o sireletsehileng oa tlhaho, o laoloang ke liphatsa tsa lefutso tse ngata, 'me o sebetsa khahlanong le likokoana-hloko le likokoanyana tse ngata, leano le ka tsoelang lijalo tse ling molemo, ho boletse Mutschler-Chu.
Leha mehala ea batho ba maemo a holimo e tla lokolloa ntle le khetho bakeng sa k'hamphani efe kapa efe ea peo ho ikatisa mefuta ea eona ea khoebo, ba tla hloka ho etsa kopo ea laesense ho Cornell's Center for Technology Licensing pele ba ka rekisa peo.