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1. WO2022007747 - PHOSPHORUS-EFFICIENT AND HIGH-YIELD GENE OF CROPS, AND APPLICATION THEREOF

Publication Number WO/2022/007747
Publication Date 13.01.2022
International Application No. PCT/CN2021/104527
International Filing Date 05.07.2021
IPC
C12N 15/84 2006.1
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15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
79Vectors or expression systems specially adapted for eukaryotic hosts
82for plant cells
84Ti-plasmids
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C12N 15/54 2006.1
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52Genes encoding for enzymes or proenzymes
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C12N 15/113 2010.1
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C12Q 1/68 2018.1
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1Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
68involving nucleic acids
Applicants
  • 中国科学院分子植物科学卓越创新中心 CAS CENTER FOR EXCELLENCE IN MOLECULAR PLANT SCIENCES [CN]/[CN]
Inventors
  • 何祖华 HE, Zuhua
  • 马斌 MA, Bin
  • 李群 LI, Qun
Agents
  • 上海专利商标事务所有限公司 SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC
Priority Data
202010644962.607.07.2020CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) PHOSPHORUS-EFFICIENT AND HIGH-YIELD GENE OF CROPS, AND APPLICATION THEREOF
(FR) GÈNE DE CULTURE EFFICACE EN PHOSPHORE ET À HAUT RENDEMENT, ET SON APPLICATION
(ZH) 一种作物磷高效和高产基因及其应用
Abstract
(EN) Provided are a phosphorus-efficient and high-yield gene of crops, and an application thereof. It is first disclosed that a PHO1;2 gene has a regulating function on filling of crop kernels. Up-regulating the expression of the gene in crops can significantly promote filling of the crop kernels, increase the kernel weight of the crop kernels, the kernels per spike, the tiller number and the kernel thickness, and/or promote thickening of the crops. The PHO1;2 gene plays a two-way phosphorus transport effect which mainly conveys phosphorus to the extracellular domain, can regulate intracellular phosphorus accumulation, increase the utilization rate of phosphorus in crops, and improve the duration of crops to a low-phosphorus environment.
(FR) Gène de culture efficace en phosphore et à haut rendement, et une application de celui-ci. Il est d'abord divulgué qu'un gène PHO1;2 a une fonction régulatrice sur le remplissage des grains de culture. La régulation à la hausse de l'expression du gène dans les cultures peut favoriser de manière significative le remplissage des grains de la culture, augmenter le poids des grains de la culture, les grains par épi, le nombre de talles et l'épaisseur des grains, et/ou favoriser l'épaississement des cultures. Le gène PHO1;2 joue un effet de transport bidirectionnel du phosphore qui transporte principalement le phosphore vers le domaine extracellulaire, peut réguler l'accumulation intracellulaire du phosphore, augmenter le taux d'utilisation du phosphore dans les cultures et améliorer la durée des cultures dans un environnement à faible teneur en phosphore.
(ZH) 提供了一种作物磷高效和高产基因及其应用,首次揭示PHO1;2基因对于作物籽粒的灌浆具有调控作用,在作物中上调该基因的表达,可以极为显著地促进作物籽粒的灌浆,增加作物籽粒粒重,增加穗粒数,增加分蘖数,增加籽粒厚度和/或促进作物粗壮。PHO1;2基因发挥以向胞外输送磷为主的双向磷转运的作用,可调节胞内磷积累,促进作物对磷的利用率,提高作物对低磷环境的耐受性。
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