Hauv cov tsiaj, DNA puas tuaj yeem ua rau tsim cov qog. Txawm hais tias cov nroj tsuag nyob ntev tsis muaj mob qog noj ntshav, lawv txoj kev loj hlob ib txwm cuam tshuam los ntawm ntau yam ib puag ncig, xws li hluav taws xob, salinity, hlau hnyav thiab dej nyab, uas tuaj yeem ua rau DNA puas tsuaj thiab txo cov yields.
Cov nroj tsuag tiv thaiv lawv tus kheej li cas los ntawm DNA puas?
Ib pab neeg tshawb fawb los ntawm Qingdao Institute of Bioenergy thiab Bioprocessor Technology (QIBEBT) ntawm Tuam Tshoj Academy of Sciences (CAS) muab cov lus teb rau lo lus nug no. Lawv tau txheeb xyuas cov protein complex hu ua MAC, uas yog qhov tseem ceeb rau cov nroj tsuag teb rau DNA puas, ceeb toom Phys.org portal.
Lawv txoj haujlwm tau tshaj tawm hauv phau ntawv Journal Plant Physiology thaum Lub Kaum Ib Hlis 4.
Cov kws tshawb fawb tau pom tias cov nroj tsuag tsis muaj kev ua haujlwm ntawm MAC protein complex pom tias muaj kev loj hlob tsis xws luag thiab tau yooj yim puas los ntawm methyl methanesulfonate (MMS), ib qho tshuaj uas ua rau DNA tawg.
Lawv kuj pom tias qhov siab boron kam rau ntawm cov MAC mutants tau txo. Cov ntsiab lus boron siab hauv av ua rau cov qoob loo yields thiab cov as-ham hauv cov zaub mov.
Qib ntawm MAC5A protein (ib feem ntawm MAC complex) tau tswj los ntawm 26S proteasome (26SP), lub tshuab molecular xav tau rau kev ua cov protein los ntawm kev sib cuam tshuam ncaj qha.
Nrog kev pab ntawm biochemical thiab Los ntawm kev tshuaj ntsuam genetic tsom xam, cov kws tshawb fawb tau txheeb xyuas ob qho protein ntau ua haujlwm ua ke los tiv thaiv cov nroj tsuag ntawm DNA kev puas tsuaj los ntawm ob qho tib si methyl methanesulfonate thiab siab boron.
Txoj kev tshawb no tau nthuav tawm cov txheej txheem molecular ntawm yuav ua li cas cov nroj tsuag teb rau DNA puas thiab muab lub ntsiab lus tshiab rau kev txhim kho qoob loo ntau lawm thiab zaub mov zoo.