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Key wheat GRF genes constraining wheat tillering of mutant dmc

Tillering is a key agronomy trait for wheat (Triticum aestivum L.) production. Previously, we have reported a dwarf-monoculm wheat mutant (dmc) obtained from cultivar Guomai 301 (wild type, WT), and found growth regulating factors (GRFs) playing important roles in regulating wheat tillering. This st...

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Autores principales: Zhang, Jing, Li, Junchang, Ni, Yongjing, Jiang, Yumei, Jiao, Zhixin, Li, Huijuan, Wang, Ting, Zhang, Peipei, Han, Mengyao, Li, Lei, Liu, Hongjie, Li, Qiaoyun, Niu, Jishan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: PeerJ Inc. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8038642/
https://www.ncbi.nlm.nih.gov/pubmed/33889451
http://dx.doi.org/10.7717/peerj.11235
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author Zhang, Jing
Li, Junchang
Ni, Yongjing
Jiang, Yumei
Jiao, Zhixin
Li, Huijuan
Wang, Ting
Zhang, Peipei
Han, Mengyao
Li, Lei
Liu, Hongjie
Li, Qiaoyun
Niu, Jishan
author_facet Zhang, Jing
Li, Junchang
Ni, Yongjing
Jiang, Yumei
Jiao, Zhixin
Li, Huijuan
Wang, Ting
Zhang, Peipei
Han, Mengyao
Li, Lei
Liu, Hongjie
Li, Qiaoyun
Niu, Jishan
author_sort Zhang, Jing
collection PubMed
description Tillering is a key agronomy trait for wheat (Triticum aestivum L.) production. Previously, we have reported a dwarf-monoculm wheat mutant (dmc) obtained from cultivar Guomai 301 (wild type, WT), and found growth regulating factors (GRFs) playing important roles in regulating wheat tillering. This study is to systematically investigate the roles of all the wheat GRFs (T. aestivum GRFs, TaGRFs) in regulating tillering, and screen out the key regulators. A total of 30 TaGRFs were identified and their physicochemical properties, gene structures, conserved domains, phylogenetic relationships and tissue expression profiles were analyzed. The expression levels of all the TaGRFs were significantly lower in dmc than those in WT at early tillering stage, and the abnormal expressions of TaGRF2-7(A, B, D), TaGRF5-7D, TaGRF10-6(A, B, D) and TaGRF11-2A were major causes constraining the tillering of dmc. The transcriptions of TaGRFs were significantly affected by exogenous indole acetic acid (IAA) and gibberellin acid (GA3) applications, which suggested that TaGRFs as well as IAA, GA signaling were involved in controlling wheat tillering. This study provided valuable clues for functional characterization of GRF genes in wheat.
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spelling pubmed-80386422021-04-21 Key wheat GRF genes constraining wheat tillering of mutant dmc Zhang, Jing Li, Junchang Ni, Yongjing Jiang, Yumei Jiao, Zhixin Li, Huijuan Wang, Ting Zhang, Peipei Han, Mengyao Li, Lei Liu, Hongjie Li, Qiaoyun Niu, Jishan PeerJ Agricultural Science Tillering is a key agronomy trait for wheat (Triticum aestivum L.) production. Previously, we have reported a dwarf-monoculm wheat mutant (dmc) obtained from cultivar Guomai 301 (wild type, WT), and found growth regulating factors (GRFs) playing important roles in regulating wheat tillering. This study is to systematically investigate the roles of all the wheat GRFs (T. aestivum GRFs, TaGRFs) in regulating tillering, and screen out the key regulators. A total of 30 TaGRFs were identified and their physicochemical properties, gene structures, conserved domains, phylogenetic relationships and tissue expression profiles were analyzed. The expression levels of all the TaGRFs were significantly lower in dmc than those in WT at early tillering stage, and the abnormal expressions of TaGRF2-7(A, B, D), TaGRF5-7D, TaGRF10-6(A, B, D) and TaGRF11-2A were major causes constraining the tillering of dmc. The transcriptions of TaGRFs were significantly affected by exogenous indole acetic acid (IAA) and gibberellin acid (GA3) applications, which suggested that TaGRFs as well as IAA, GA signaling were involved in controlling wheat tillering. This study provided valuable clues for functional characterization of GRF genes in wheat. PeerJ Inc. 2021-04-08 /pmc/articles/PMC8038642/ /pubmed/33889451 http://dx.doi.org/10.7717/peerj.11235 Text en © 2021 Zhang et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
spellingShingle Agricultural Science
Zhang, Jing
Li, Junchang
Ni, Yongjing
Jiang, Yumei
Jiao, Zhixin
Li, Huijuan
Wang, Ting
Zhang, Peipei
Han, Mengyao
Li, Lei
Liu, Hongjie
Li, Qiaoyun
Niu, Jishan
Key wheat GRF genes constraining wheat tillering of mutant dmc
title Key wheat GRF genes constraining wheat tillering of mutant dmc
title_full Key wheat GRF genes constraining wheat tillering of mutant dmc
title_fullStr Key wheat GRF genes constraining wheat tillering of mutant dmc
title_full_unstemmed Key wheat GRF genes constraining wheat tillering of mutant dmc
title_short Key wheat GRF genes constraining wheat tillering of mutant dmc
title_sort key wheat grf genes constraining wheat tillering of mutant dmc
topic Agricultural Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8038642/
https://www.ncbi.nlm.nih.gov/pubmed/33889451
http://dx.doi.org/10.7717/peerj.11235
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