Raws li ib qho ntawm cov kev ntxhov siab abiotic tseem ceeb, kev ntxhov siab kub qis ua rau cov nroj tsuag tsis loj hlob thiab cuam tshuam tsis zoo rau cov qoob loo thiab qhov zoo ntawm cov qoob loo. 5-Aminolevulinic acid (ALA) yog ib qho tshuaj tswj kev loj hlob uas muaj ntau hauv cov tsiaj txhu thiab cov nroj tsuag. Vim nws ua haujlwm tau zoo, tsis muaj tshuaj lom thiab yooj yim puas tsuaj, nws yog siv dav hauv cov txheej txheem ntawm kev ua siab ntev txias ntawm cov nroj tsuag.
Txawm li cas los xij, feem ntau cov kev tshawb fawb tam sim no ntsig txog ALA feem ntau tsom mus rau kev tswj hwm cov ntsiab lus kawg ntawm lub network. Lub tshuab tshwj xeeb ntawm ALA ua haujlwm hauv kev tiv taus txias thaum ntxov ntawm cov nroj tsuag tam sim no tsis meej thiab xav tau kev tshawb fawb ntxiv los ntawm cov kws tshawb fawb.
Thaum Lub Ib Hlis Ntuj xyoo 2024, Horticultural Research tau luam tawm ib daim ntawv tshawb fawb hu ua "5-Aminolevulinic Acid Enhances Cold Tolerance by Regulating the SlMYB4/SlMYB88-SlGSTU43 Reactive Oxygen Species Scavenging Module in Tomato" los ntawm Hu Xiaohui pab neeg ntawm Northwestern University agriculture and forestry.
Hauv kev tshawb fawb no, tus glutathione S-transferase gene SlGSTU43 tau pom nyob rau hauv txiv lws suav (Solanum lycopersicum L.). Cov txiaj ntsig ntawm kev tshawb fawb qhia tau hais tias ALA ua rau muaj kev qhia tawm ntawm SlGSTU43 nyob rau hauv kev ntxhov siab txias. Cov kab txiv lws suav transgenic overexpressing SlGSTU43 tau pom tias muaj peev xwm tshem tawm cov pa oxygen reactive ntau dua thiab qhia txog kev tiv thaiv tseem ceeb rau kev ntxhov siab kub qis, thaum cov kab SlGSTU43 mutant tau rhiab heev rau kev ntxhov siab kub qis.
Ntxiv mus, cov txiaj ntsig tshawb fawb qhia tau tias ALA tsis ua rau kom muaj kev kam rau siab ntawm cov kab mob hloov pauv rau qhov kub qis. Yog li, kev tshawb fawb qhia tias SlGSTU43 yog ib qho noob tseem ceeb hauv cov txheej txheem ntawm kev txhim kho kev kam rau siab txias hauv txiv lws suav los ntawm ALA (Daim Duab 1).
Ntxiv mus, txoj kev tshawb fawb no tau lees paub los ntawm EMSA, Y1H, LUC thiab ChIP-qPCR nrhiav pom tias SlMYB4 thiab SlMYB88 tuaj yeem tswj kev qhia tawm ntawm SlGSTU43 los ntawm kev khi rau SlGSTU43 promoter. Cov kev sim ntxiv qhia tau tias SlMYB4 thiab SlMYB88 kuj koom nrog hauv cov txheej txheem ALC los ntawm kev ua kom cov txiv lws suav kam rau qhov kub qis thiab tswj kev qhia tawm ntawm SlGSTU43 zoo (Daim Duab 2). Cov txiaj ntsig no muab kev nkag siab tshiab rau hauv txoj hauv kev uas ALA txhim kho kev kam rau qhov kub qis hauv txiv lws suav.
Cov ntaub ntawv ntxiv: Zhengda Zhang et al., 5-aminolevulinic acid ua rau kom txias dua los ntawm kev tswj hwm SlMYB4 / SlMYB88-SlGSTU43 module rau cov tshuaj reactive oxygen scavenging hauv txiv lws suav, Horticulture Research (2024). DOI: 10.1093 / teev / uhae026
Yog tias koj ntsib teeb meem sau yuam kev, tsis raug, lossis xav xa daim ntawv thov kom hloov kho cov ntsiab lus ntawm nplooj ntawv no, thov siv daim foos no. Yog tias muaj lus nug dav dav, thov siv peb daim foos tiv tauj. Yog xav tau cov lus taw qhia dav dav, thov siv ntu lus tawm tswv yim rau pej xeem hauv qab no (ua raws li cov lus qhia).
Koj cov lus taw qhia tseem ceeb heev rau peb. Txawm li cas los xij, vim muaj ntau cov lus xa tuaj, peb tsis tuaj yeem lav tias yuav teb rau koj raws li koj xav tau.
Koj qhov chaw nyob email tsuas yog siv los qhia rau cov neeg tau txais uas yog tus xa email xwb. Koj qhov chaw nyob lossis tus neeg tau txais qhov chaw nyob yuav tsis raug siv rau lwm yam hom phiaj. Cov ntaub ntawv koj sau yuav tshwm sim hauv koj tus email thiab yuav tsis raug khaws cia los ntawm Phys.org hauv txhua daim ntawv.
Tau txais cov xov xwm tshiab txhua lub lim tiam thiab/lossis txhua hnub hauv koj lub inbox. Koj tuaj yeem tshem tawm koj cov ntaub ntawv txhua lub sijhawm thiab peb yuav tsis qhia koj cov ntaub ntawv rau cov neeg thib peb.
Peb ua kom peb cov ntsiab lus nkag tau rau txhua tus. Xav txog kev txhawb nqa Science X lub hom phiaj nrog tus account hwm.
Lub sijhawm tshaj tawm: Lub Xya Hli-22-2024