Kutentha kumaonetsa zomera kuti chilimwe chikubwera. Poyembekezera madzi ochepa, amaphukira msanga ndipo amasowa mphamvu zopangira mbewu zambiri, motero zokolola zimachepa.
"Tikufuna zomera zomwe zimatha kupirira kutentha, kukhala ndi nthawi yotalikirapo maluwa komanso nthawi yakukula," adatero pulofesa wa botany wa UCR Meng Chen. Koma, kuti muthe kusintha kutentha kwa zomera, choyamba muyenera kumvetsetsa momwe zimagwirira ntchito. Ndiye chifukwa chake kuzindikira jini yomwe imathandizira kuyankha kutentha ndikofunikira kwambiri. ”
Yongjian Qiu, mlembi woyamba wa pepalali komanso wasayansi wakale wothandizira pulojekiti ya UCR, tsopano ku yunivesite ya Mississippi.
Ntchito yomwe Chen ndi anzake adachita kuti avumbulutse jini yowona kutentha idasindikizidwa sabata ino m'magazini ya Nature Communications. Ndi jini yachiwiri yomwe apeza ikukhudzidwa ndi kutentha. Anapeza jini yoyamba, yotchedwa HEMERA, zaka ziwiri zapitazo. Kenako anachita kuyesera kuti aone ngati angapeze majini enanso okhudza mmene kutentha kumayendera.
Zomera zosamva bwino
Nthawi zambiri, zomera zimakhudzidwa ndi kusintha kwa nyengo ngakhale pang'ono. Pakuyesa uku, gululi lidayamba ndi chomera cha mutant Arabidopsis chosakhudzidwa ndi kutentha, ndipo adachisintha kuti chikhale chotakataka.
Kufufuza ma jini a chomera ichi chosinthidwa kawiri adawonetsa jini yatsopano, RCB, yomwe mankhwala ake amagwira ntchito limodzi ndi HEMERA kuti akhazikitse ntchito yowona kutentha. "Mukachotsa jini iliyonse, chomera chanu sichimamva kutentha," adatero Chen.
Onse HEMERA ndi RCB amayenera kuwongolera kuchuluka kwa gulu la owongolera ma gene omwe amagwira ntchito zingapo, kuchitapo kanthu kutentha komanso kuwala, ndikusintha mbewu zobiriwira. Mapuloteniwa amagawidwa ku zigawo ziwiri zosiyana za maselo a zomera, phata komanso organelles otchedwa chloroplasts.
Kupita patsogolo, Chen akuti labotale yake idzayang'ana kumvetsetsa momwe magawo awiriwa a selo amalumikizirana ndikugwirira ntchito limodzi kuti akwaniritse kukula, kubiriwira, maluwa, ndi ntchito zina. “Mukasintha kuwala kapena kutentha, majini a munyukiliyasi ndi ma chloroplast amasintha mawonekedwe ake. Tikuganiza kuti HEMERA ndi RCB akutenga nawo gawo pakugwirizanitsa mafotokozedwe a jini pakati pazigawo ziwiri zama cell," adatero Chen.
Pamapeto pake, cholinga chake ndikutha kusintha kuyankha kwa kutentha kuti titsimikizire tsogolo la chakudya chathu. "Tinali okondwa kupeza jini yachiwiri iyi," adatero Chen. “Ndi gawo latsopano lachidule. Tikamvetsetsa momwe zonsezi zimagwirira ntchito, tikhoza kusintha, ndikuthandizira mbewu kuti zipirire bwino ndi kusintha kwa nyengo. "
Kuti mudziwe zambiri:
Yunivesite ya California Riverside
www.ucr.edu