Iyo yekukura regulator 5-aminolevulinic acid inowedzera kutonhora kwemiti yemadomasi.

      Seimwe yekushushikana kukuru kweabiotic, kuderera kwetembiricha kusagadzikana kunokanganisa zvakanyanya kukura kwechirimwa uye kukanganisa goho nemhando yezvirimwa.5-Aminolevulinic acid (ALA) inogadzirisa kukura inowanikwa mumhuka nemiti.Nekuda kwekuita kwayo kwakanyanya, kusiri-chepfu uye kuderera kuri nyore, inoshandiswa zvakanyanya mukuita kwekutonhora kushivirira kwezvirimwa.
Nekudaro, tsvakiridzo yazvino ine chekuita neALA inonyanya kutarisisa pakugadzirisa network endpoints.Iyo chaiyo molecular maitiro e ALA chiito mukutanga kutonhora kushivirira kwezvirimwa parizvino haina kujeka uye inoda kumwe kutsvagisa nemasayendisiti.
Muna Ndira 2024, Horticultural Research yakaburitsa bepa rekutsvagisa rine musoro unoti "5-Aminolevulinic Acid Inosimudzira Cold Tolerance neRegulating the SlMYB4/SlMYB88-SlGSTU43 Reactive Oxygen Species Scavenging Module in Tomato" nechikwata chaHu Xiaohui kuNorthrywest University yezvekurima nemasango.
Muchidzidzo ichi, glutathione S-transferase gene SlGSTU43 yakaonekwa mumadomasi (Solanum lycopersicum L.).Zvigumisiro zvechidzidzo zvakaratidza kuti ALA inokurudzira zvakasimba kutaura kweSlGSTU43 pasi pekunetseka kwechando.Transgenic tomato lines overexpressing SlGSTU43 yakaratidza zvakanyanya kuwedzera reactive oxygen marudzi scavenging capacity uye yakaratidza kupikisa kwakanyanya kune yakaderera tembiricha kushushikana, nepo SlGSTU43 mutant mitsetse yainzwa kune yakaderera tembiricha kusagadzikana.
Pamusoro pezvo, mhedzisiro yekutsvagisa yakaratidza kuti ALA haiwedzere kushivirira kweiyo mutant dhizaini kune yakaderera tembiricha kusagadzikana.Nokudaro, chidzidzo chinoratidza kuti SlGSTU43 ijeni rinokosha mukugadzirisa kushivirira kunotonhora mumatomatisi neALA (Fig. 1).
Mukuwedzera, chidzidzo ichi chakasimbiswa kuburikidza neEMSA, Y1H, LUC uye ChIP-qPCR kuona kuti SlMYB4 uye SlMYB88 inogona kugadzirisa kutaura kweSLGSTU43 nekusunga kune SlGSTU43 mutsigiri.Zvimwe zviedzo zvakaratidza kuti SlMYB4 uye SlMYB88 vanobatanidzwawo muALC maitiro nekuwedzera kushivirira kwemadomasi kune kuderera kwekushisa kunetseka uye kugadzirisa zvakanaka kutaura kweSLGSTU43 (Fig. 2).Mhedzisiro iyi inopa ruzivo rutsva rwemagadzirirwo ayo ALA inowedzera kushivirira kune yakaderera tembiricha kusagadzikana mumatomatisi.
Rumwe ruzivo: Zhengda Zhang et al., 5-aminolevulinic acid inowedzera kushivirira kunotonhora nekugadzirisa iyo SlMYB4/SlMYB88-SlGSTU43 module ye reactive okisijeni marudzi scavenging in tomato, Horticulture Research (2024).DOI: 10.1093/awa/uhae026
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