Ho latela tlaleho e phatlalalitsoeng ho Life, mekhoa ea ho itšireletsa eo limela li e sebelisang ho lemoha le ho arabela kokoana-hloko e tloaelehileng, seboko, se bile teng ho tsoa ho phatsa e le 'ngoe e bileng teng ka lilemo tse limilione, ho tlaleha. Sebaka sa marang-rang sa Phys.org.
Phuputso e entsoeng ke bo-rasaense ba Washington e bontšitse hore limela tse ling, tse kang linaoa tsa soya, li lahlehetsoe ke lefutso lena la tšireletso ha nako e ntse e ea, empa litsebi li fana ka maikutlo a hore ho tsosolosa lefutso (ka ho ikatisa, boenjiniere ba liphatsa tsa lefutso) ho ka thusa ho sireletsa lijalo ho se atleheng ha lijalo.
Boemo ba bophelo bo botle ba semela bo itšetlehile ka sesole sa 'mele seo e se futsang. Limeleng, sena se bolela ho rua mefuta e itseng ea li-receptor tse amohelang mohlala tse ka lemohang likokoana-hloko tse fapaneng le li-peptide le ho etsa hore ho be le karabelo e nepahetseng ea 'mele ea ho itšireletsa mafung.
Ho rua mefuta e nepahetseng ea li-receptor tse hlokomelang mohlala ho ka lumella limela ho lemoha litšokelo le ho sebetsana ka katleho le mafu le likokoanyana.
E le ho tlatsa lekhalo lena, sehlopha se ile sa ikemisetsa ho khetholla liketsahalo tsa bohlokoa tsa ho iphetola ha lintho tse ileng tsa lumella limela ho arabela tšokelong e tloaelehileng: seboko. Mefuta ea linaoa, ho kenyeletsoa linaoa tsa mung le lierekisi tse mahlo a matšo, li ne li se li tsejoa hore li na le bokhoni bo ikhethang ba ho arabela ho li-peptide tse hlahisoang melomong ea popane ha li ntse li phunya makhasi a semela.
Bo-rasaense ba ile ba ithuta liphatsa tsa lefutso tsa sehlopha sena sa limela ka ho qaqileng ho bona hore na mokelikeli o tloaelehileng oa temoho o bitsoang inceptin receptor (INR) o fetohile ka lilemo tse limilione, ho fumana kapa ho lahleheloa ke bokhoni ba ho lemoha popane.
Ba fumane hore mofuta o le mong oa lilemo tse limilione tse 28 o tsamaisana hantle le karabelo ea 'mele ea limela ho li-peptide tsa popane. Ba boetse ba fumane hore har'a litloholo tsa baholo-holo ba khale ka ho fetisisa ba limela ba qalileng ho hlahisa liphatsa tsa lefutso tsa li-receptor, ho na le mefuta e 'maloa e ke keng ea arabela ho li-peptide tsa popane, ke hore, ba lahlehetsoe ke lefutso lena.
E le ho utloisisa hore na lefutso lena la boholo-holo le fumane matla a ho lemoha li-peptide tse ncha joang likokoana-hlokong tsa morao-rao, sehlopha se ile sa sebelisa mokhoa o bitsoang tatellano ea balimo, moo se neng se kopanya boitsebiso bo tsoang ho li-receptor tsohle tsa morao-rao. liphatsa tsa lefutso ho bolela esale pele tatellano ea pele lilemong tse limilione tse 28. Moamoheli ona oa baholo-holo o ile oa khona ho arabela ho li-peptide tsa popane. Leha ho le joalo, mofuta oa khalenyana o nang le liphetoho tse 16 ho tatellano ea li-receptor o ile oa hloleha.
Sena histori ea liphatsa tsa lefutso, hammoho le mehlala ea lik'homphieutha e bontšang kamoo li-receptor tsa khale le tsa morao-rao li ka 'nang tsa fapana kateng, li fana ka lintlha tsa hore na moamoheli o bile teng joang. Sena se fana ka maikutlo a hore lilemong tse fetang limilione tse 32 tse fetileng, ho kenngoa ha liphatsa tsa lefutso tse ncha ho ile ha kenngoa ka har'a genome ea semela sa baholo-holo, 'me e lateloa ke phetoho e potlakileng ea mefuta e fapaneng ea li-receptor tse ncha. E 'ngoe ea mefuta ena e ile ea fumana bokhoni ba ho arabela ho li-peptide tsa popane, 'me bokhoni bona bo bocha bo arolelanoa ke mefuta e mengata ea legume.
Nakong e tlang, bo-rasaense ba na le tšepo ea ho ithuta haholoanyane ka mekhoa ea boemo ba genome e hlahisang mefuta e mecha ea li-receptor le ho tseba hore ke li-receptors tse ntseng li sa tsejoe lihlopheng tsa limela. Joalo ka ho feta Ka datha ea genomic, mekhoa e joalo e ne e tla khetholla li-receptor tse "sieo" tseo e leng litšoaneleho tse molemo tsa ho khutlisetsa limela ho thusa ho sireletsa lijalo.