Kaha ho lebeletsoe hore phetoho ea boemo ba leholimo e tla lebisa linakong tsa komello khafetsa, bafuputsi ba ntse ba sebetsa ka thata ho fumana lintho tse ka thusang limela ho ikamahanya le khatello ea nako e telele ea metsi.
Bafuputsi ba Boyce Thompson Institute le Cornell University ba qetile thuto ea pele ea ho fana ka setšoantšo se feletseng sa liphetoho tsa liphatsa tsa lefutso ho arabela khatellong ea metsi tholoaneng-tamati, Solanum lycopersicum-e khethollang liphatsa tsa lefutso tse ka thusang balemi ba limela ho hlahisa litholoana tse ka sebetsanang le maemo a komello.
E hatisitsoe tokollong ea December ea Plant Physiology, mosebetsi o ne o etelletsoe pele ke sehlopha sa lipatlisiso sa Carmen Catalá, motlatsi oa moprofesa oa BTI le Motlatsi e Moholo oa Lipatlisiso Sekolong sa Integrative Plant Science (SIPS) Cornell. Bafuputsi ba sebelisanang 'moho ba kenyelletsa Jocelyn Rose, moprofesa oa SIP, le liprofesa tsa BTI Jim Giovannoni, Zhangjun Fei le Lukas Mueller, bao hape e leng baprofesa ba bathusi ho SIP.
"Re ile ra fumana liphatsa tsa lefutso tse 'maloa tse amehang karabelong ea khatello ea metsi ka litholoana tsa langa le le lej," ho boletse Catalá. “Joale re ka qala ho khetha liphatsa tsa lefutso tse ka thusang barui ho hlahisa litholoana tse ka ikamahanyang le maemo a komello, eseng tamati feela empa le morara, liapole le litholoana tse monate ka kakaretso. Eo ke ts'ebeliso ea nako e telele ea data ena. ”
Bafuputsi ba ile ba sheba liphatsa tsa lefutso makhasi a tamati le litho tse tšeletseng tsa litholoana (pericarp, placenta, septum, columella, jelly le peo) ka linako tse peli tse fapaneng (litholoana tse ntseng li hōla le tse butsoitseng) le tlas'a maemo a mane a fapaneng a khatello ea metsi (ha ho le e 'ngoe, e bonolo, e bohareng le e bohareng). matla).
Bafuputsi ba fumane hore karolo e 'ngoe le e' ngoe ea litho tsa litholoana e fetohile ka litsela tse ikhethang ha nako e ntse e ea.
"Ka tlase ho 1% ea liphatsa tsa lefutso tse hlalositsoeng tse anngoeng ke khatello ea metsi li ile tsa arolelanoa har'a lisele tse tšeletseng tsa litholoana, 'me ho feta 50% ea liphatsa tsa lefutso tse amehileng e ne e le tse tobileng ho lesela le le leng," ho boletse Catala.
Ho fapana le liphello tse mpe tsa komello, tse bakang mathata a 'mele le tahlehelo ea litholoana, ho na le liphello tse ntle tse amanang le komello-bonyane ka komello e fokolang.
Ka mohlala, bafuputsi ba fumane hore khatello ea metsi e eketsa bongata ba lycopene litholoana tse butsoitseng. Lycopene ke antioxidant e ngotseng melemo ea bophelo bo botle. Litholoana tse nang le khatello ea metsi li ne li boetse li e-na le litekanyetso tse phahameng tsa starch biosynthesis, tse ka hlahisang tamati e monate.
Bafuputsi ba ile ba boela ba fumana hore ba ka "koetlisa" litamati hore li khone ho mamella komello ea metsi nakong e tlang.
"Ha re jala peo ea limela tse phekoloang, re fumane hore lipeo tse tsoang ho tamati e hatelitsoeng li bontšitse ho hlaphoheloa ho ntlafetseng khatellong ea metsi ha ho bapisoa le lipeo tse tsoang ho tamati ea taolo," ho boletse Philippe Nicolas, rasaense oa postdoctoral laborateng ea Catalá le mongoli oa pele pampiring.
Nicolas o re ba khethile liphatsa tsa lefutso tse 'maloa tseo polelo ea tsona e hlahisoang ke khatello ea metsi peōng e hōlileng, e ka bapalang karolo ea bohlokoa ho fana ka mamello ea khatello ea metsi ho moloko o latelang oa limela.
Thuto e ne e le phephetso ka litsela tse 'maloa hobane bafuputsi ba ne ba shebile litholoana. Liphuputso tse ngata tsa likarabelo tsa limela ho khatello ea komello li hlahloba metso ea sethopo le makhasi hobane ho bonolo ho ithuta.
"Ho bonolo ho hatella lipeo, empa haeba u hatella limela haholo, li ke ke tsa thunya le ho hlahisa litholoana," Catalá o itse. "Ho feta moo, ha u batla ho ithuta litholoana, u tlameha ho lema limela tsa batho ba baholo, tse nkang nako e ngata, sebaka le lisebelisoa ka kakaretso."