Lettuce ea leqhoa, lettuce ea oakleaf, romaine, le li-lettuce tse ling tseo re li jang matsatsing ana, li tsoa limela tse hlaha tse ileng tsa fetoloa lilemo tse 6000 tse fetileng Caucasus e le hore oli ea limela e ka kotuloa peō. Ka mor'a hore Bagerike ba boholo-holo le Baroma ba tsoele pele ho hlahisa limela ho li sebelisa e le meroho e makhasi, lettuce le eona e ile ea qetella e le lipoleiti tsa rona ka mor'a nako. Histori e khethehileng ea lettuce e hlalositsoe ka ho qaqileng ka lebaka la tlhahlobo ea DNA ea mefuta e 445 ea lettuce, e entsoeng ke Wageningen University & Research le Chinese BGI. Patlisiso ea bona e tla phatlalatsoa kajeno koranteng e nang le matla ea nako le nako ea Nature Genetics 'me e bula monyetla oa ho ikatisa ka potlako le ka mokhoa o atlehileng oa lijalo tsa lijo tse tsitsitseng haholoanyane.
Leka ho nahana ka pokello ea mefuta e fapaneng ea 2500 ea lettuce: mefuta e ka bang 1500 e kileng ea lengoa ke lihoai kae-kae lefatšeng le mefuta e ka bang 1000 ea limela tsa lettuce tse hlaha pela litsela le libakeng tsa tlhaho. Ebe u leka ho nahana ka DNA e bokelloang ho tsoa mefuteng ena eohle ea lettuce ebe e sebelisoa ho fumana hore na lettuce le poleiting ea rona e bile teng joang. Limela tsa pele tse hlaha li ile tsa fetoloa hore li lengoe lilemong tse 6000 tse fetileng Caucasus. Li-lettuce tsena tsa pele li ne li loketse feela ho kotula peō ho ntša oli, ’me Bagerike ba boholo-holo le Baroma ba ile ba boela ba hōlisa limela tsena (ka nako eo, li ne li ntse li e-na le meutloa makhasing) hore li sebelisoe e le meroho e makhasi. 'Me pale e boletsoeng ke DNA e ntse e tsoela pele, ho fihlela ho Maamerika a neng a hloka thepa ho tloha mefuta e sa tšoaneng ea naha ho fetola lettuce e bonolo, e boreleli ea botoro hore e be lettuce e thata, e entsoeng ka leqhoa.
Mefuta e fapaneng ea lettuce lefatšeng ka bophara
Ho falla butle ho pholletsa le Europe
Setsi sa Lisebelisoa tsa Liphatsa tsa lefutso, Netherlands (CGN), e leng Dutch gene bank le karolo ea Wageningen University & Research (WUR), e laola pokello ena ea mefuta ea 2500 ea lettuce. Ena ke pokello ea lettuce e kholo ka ho fetesisa, e felletseng ka ho fetesisa, ebile e ngotsoe ka ho fetisisa lefatšeng.
Ka tšebelisano 'moho le BGI ea Chaena, taelo ea DNA e ntse e khethoa bakeng sa mefuta eohle ea 2500, ho kenyelletsa le tlhahlobo ea mefuta e fapaneng ea liphatsa tsa lefutso le liphapang le ho tšoana pakeng tsa mefuta ena. Liphetho tsa mefuta ea pele e 445 ea lettuce li entse hore ho phatlalatsoe ho Nature Genetics mabapi le tšimoloho le histori ea ho ikatisa ea lijalo.
Ho bonahala eka boitsebiso bo bongata bo ile ba fumaneha. Ha e le hantle, mefuta ea morao-rao ea li-lettuce tse lengoang hangata li tšoana le pele ho tsona tse hlaha Lactuca serriola ho tloha Caucasus 'me li-lettuce tsa pele tse lengoang li tlameha ho lengoa bakeng sa peo le ho sebelisoa bakeng sa oli. Ho falla butle ha lettuce ho pholletsa le Europe ka 'Muso oa Roma, hammoho le phetoho ea ho tloha ho lijalo tsa peo ho ea ho lijalo tsa makhasi, le tsona li ka tsosolosoa.
Lettuce ea Leqhoa khahlano le "khale" butterhead lettuce
Boithuto bona bo ile ba boela ba khona ho fumana hore na lettuce ea morao tjena ea iceberg e ile ea fapana le lettuce "ea khale" ea butterhead ho liphatsa tsa lefutso tsa tlhaho ea Lactuca virosa, e leng 'nete e neng e belaelloa ka nako e telele ho latela lintlha tsa leloko tsa mefuta ena ea lettuce.
Tlhahlobo ea kamano pakeng tsa tlhahisoleseding ea DNA le litšobotsi tsa lettuce tse lenngoeng li bontša hore khetho e matla e ile ea etsoa bakeng sa litšobotsi tse lakatsehang bakeng sa tlhahiso le tšebeliso, "litšobotsi tsa malapeng" tse kang ho se be teng ha mokokotlo le meutloa, e leng se ileng sa fella ka ho fokotseha ha mefuta e sa tšoaneng. libaka tsa DNA moo liphatsa tsa lefutso tsa litšobotsi tsena li leng teng. Hape ho bonahala eka ho khetholla sebaka sa liphatsa tsa lefutso tse 'maloa ho DNA hoa khoneha ka ho hlahloba kamano pakeng tsa ho fapana ha DNA le litšobotsi ka seo ho thoeng ke Genome Wide Association Studies (GWAS).
Senotlolo sa letlotlo la liphatsa tsa lefutso bakeng sa ho ikatisa
Ho ea ka Rob van Treuren le Theo van Hintum, bangoli ba babeli ba Wageningen ba sengoli ba sengoliloeng, lipatlisiso li bontša ka bokhabane hore na ke boitsebiso bo bokae bo ka bokelloang ho tsoa boitsebisong ba DNA pokellong ea liphatsa tsa lefutso. E boetse e bontša kamoo paballo le tšireletso ea mefuta-futa ea lihloliloeng le mehloli ea liphatsa tsa lefutso e leng ea bohlokoa hakae bakeng sa phepelo e tsitsitseng ea lijo linakong tsa phetoho ea maemo a leholimo le palo e ntseng e eketseha ea baahi ba lefatše.
“Ho tseba tatellano ea DNA ea lintho tse bokeletsoeng, likolekeng tsa rōna le tse ling, ho nolofalletsa saense hore e latele litšobotsi tse patehileng ho tla fihlela joale, ka mefuta e likete-kete ea mefuta-futa ea lettuce le lijalo tse ling. Ka ho etsa joalo, re fumane senotlolo sa polokelo e khōlōhali ea matlotlo. Ka mohlala, nahana hore lipatlisiso li bontša hore liphatsa tsa lefutso tse itseng li bohlokoa bakeng sa ho hanyetsa komello kapa lefu le itseng. Joale u ne u tla khona ho batlisisa boitsebisong ba DNA bakeng sa mehloli ea liphatsa tsa lefutso e nang le liphatsa tsa lefutso tse shebahalang li tšoana haholo, 'me, u sebelisa mehloli eo, u ka tsoalisa limela ka potlako le ka katleho ho feta kamoo u neng u ka khona pele. Hoo ha se ntho e khuts'oane le phetoho. ”
Bakeng sa boitsebiso bo eketsehileng:
Univesithi ea Wageningen le Patlisiso
www.wur.nl