N'oge na-adịbeghị anya, Prọfesọ Chunxiang You sitere na mahadum Shandong Agricultural University na ndị ọrụ ibe ya bipụtara akụkọ nyocha nke akpọrọ "Iwu nke iri mkpụrụ anụ ahụ: site na ihe ederede gaa na mgbanwe epigenetic" na Nnyocha Horticulture.
"N'ime nyocha a, anyị na-atụle ihe ọmụma nke ugbu a ihe odide ederede nke na-achịkwa mfri eke na njikọ ethylene na gburugburu ebe obibi akara (ìhè na okpomọkụ) na ihe nlereanya osisi tomato (Solanum lycopersicum) na ndị ọzọ na-amị mkpụrụ. Anyị na-ekwusi ike ọrụ dị oke mkpa nke iwu epigenetic, "ndị odee kwuru.
Ethylene na-ebute ụzọ nrịbama ahaziri nke ọma nke na-ahazi osisi n'uba na mmepe na mfri chara, na nnukwu ihe akaebe na-egosi na ethylene, yana homonụ nke osisi ndị ọzọ na-eme ihe, na-arụ ọrụ na TF ndị metụtara chara acha iji hazie nhazi mkpụrụ osisi. Akwụkwọ a na-enyocha usoro molekụla nke TF nke na-achịkwa ịmị mkpụrụ n'ụkpụrụ ethylene dabere na/ma ọ bụ -onwe.
Na-ewere tomato dị ka ihe atụ, TF dị ka NAC, NOR, MOR-like1, HB-1, WRKY1, GRAS4/38, ARF2A/2B, na AREB na-edozi ngosipụta nke ethylene na mkpụrụ ndụ ihe nketa na-esi ísì n'ụzọ dabere na ethylene. si otú ahụ na-achịkwa mkpụrụ osisi ripening nke ọma. A na-ahazi mkpokọta na nbibi nke chlorophyll n'oge tomato na-eto site na TF dị iche iche, gụnyere GLK1/2, ARFs, na TKN2/4, na-adabere na ethylene, na usoro a na-agbanwekwa site na njikọ nke homonụ na akara ọkụ. . MADS-igbe TFs (RIN, FUL1/2, TAGL1) na ethylene nwere sekit na-achịkwa nke na-achịkwa ịmị mkpụrụ n'ime ala. ethylene-adabere na nnwere onwe ụzọ.
Nnyocha e mere n'oge na-adịbeghị anya egosiwo na mgbanwe epigenetic na-ekerekwa òkè dị mkpa na mfri mkpụrụ. DNA methylation, histone methylation, na acetylation bụ isi mgbanwe epigenetic nke na-emetụta mkpụrụ osisi chara acha, n'ime nke DNA methylation na H3K27me3 histone methylation bụ akara epigenetic na-akụda mmụọ. N6- methyladenosine (m6A) bụ mgbanwe mRNA kachasị na eukaryotes, na ọmụmụ na-adịbeghị anya ekpughere a nzaghachi aka n'etiti m6Mgbanwe mRNA na DNA methylation nke na-achịkwa mkpụrụ osisi tomato.
Na mmechi, ndị ode akwụkwọ na-enyocha ụdị ọrụ nke phytohormones, TF ndị metụtara chara acha, na mgbanwe epigenetic maka iwu siri ike nke mkpụrụ osisi tomato chara, nke, dị ka ndị odee si kwuo, "nwere ike ịbụ onye ndu mgbe ị na-amụ usoro na-achịkwa mfri eke n'ụdị mkpụrụ osisi ndị ọzọ," na "duzi atụmatụ ọhụrụ maka nhazi ya dị irè."
Isi mmalite: https://phys.org