Amino acid permease OsAAP12 negatively regulates rice tillers and grain yield by transporting specific amino acids to affect nitrogen and cytokinin pathways

Copyright © 2024 Elsevier B.V. All rights reserved.

Détails bibliographiques
Publié dans:Plant science : an international journal of experimental plant biology. - 1985. - 347(2024) vom: 30. Okt., Seite 112202
Auteur principal: Jin, Feng (Auteur)
Autres auteurs: Huang, Weiting, Xie, Pengfei, Wu, Bowen, Zhao, Quanzhi, Fang, Zhongming
Format: Article en ligne
Langue:English
Publié: 2024
Accès à la collection:Plant science : an international journal of experimental plant biology
Sujets:Journal Article Amino acid Architecture Rice Transporter Yield Cytokinins Amino Acids Nitrogen N762921K75 plus... Plant Proteins Amino Acid Transport Systems
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245 1 0 |a Amino acid permease OsAAP12 negatively regulates rice tillers and grain yield by transporting specific amino acids to affect nitrogen and cytokinin pathways 
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520 |a Amino acids are necessary nutrients for the growth of Oryza sativa (rice), which can be mediated by amino acid transporter; however, our understanding of these transporters is still limited. This study found that the expression levels of amino acid permease gene OsAAP12 differed between indica and japonica rice. Altered expression of OsAAP12 negatively regulated tillering and yield in transgenic rice lines. Subcellular localization revealed that OsAAP12 was primarily localized to the plasma membrane. Moreover, it was indicated that OsAAP12 transported polar neutral amino acids asparagine (Asn), threonine (Thr), and serine (Ser) through experiments involving yeast heterologous complementation, fluorescence amino acid uptake, and amino acid content determination. Additionally, exogenous application of amino acids Asn, Thr, and Ser suppressed axillary buds outgrowth in OsAAP12 overexpression lines compared with wild-type ZH11. Conversely, the opposite trend was observed in CRISPR mutant lines. RNA-seq analysis showed that the expression patterns of genes involved in the nitrogen and cytokinin pathways were generally altered in OsAAP12 modified lines. Hormone assays indicated that OsAAP12 mutant lines accumulated cytokinins in the basal part of rice, whereas overexpression lines had the opposite effect. In summary, CRISPR mutant of OsAAP12 boosted rice tillering and grain yield by coordinating the content of amino acids and cytokinins, which has potential application value in high-yield rice breeding 
650 4 |a Journal Article 
650 4 |a Amino acid 
650 4 |a Architecture 
650 4 |a Rice 
650 4 |a Transporter 
650 4 |a Yield 
650 7 |a Cytokinins  |2 NLM 
650 7 |a Amino Acids  |2 NLM 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Amino Acid Transport Systems  |2 NLM 
700 1 |a Huang, Weiting  |e verfasserin  |4 aut 
700 1 |a Xie, Pengfei  |e verfasserin  |4 aut 
700 1 |a Wu, Bowen  |e verfasserin  |4 aut 
700 1 |a Zhao, Quanzhi  |e verfasserin  |4 aut 
700 1 |a Fang, Zhongming  |e verfasserin  |4 aut 
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773 1 8 |g volume:347  |g year:2024  |g day:30  |g month:10  |g pages:112202 
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