Candidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice

Abstract All grass leaves are strap-shaped with a series of parallel veins running from base to tip, but the distance between each pair of veins, and the cell-types that develop between them, differs depending on whether the plant performs C3 or C4 photosynthesis. As part of a multinational effort t...

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Autores principales: Peng Wang, Shanta Karki, Akshaya K. Biswal, Hsiang-Chun Lin, Mary Jacqueline Dionora, Govinda Rizal, Xiaojia Yin, Mara L. Schuler, Tom Hughes, Jim P. Fouracre, Basel Abu Jamous, Olga Sedelnikova, Shuen-Fang Lo, Anindya Bandyopadhyay, Su-May Yu, Steven Kelly, W. Paul Quick, Jane A. Langdale
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Publicado: Nature Portfolio 2017
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spelling oai:doaj.org-article:5585abd1373448a0abebcb740028b7fa2021-12-02T11:51:12ZCandidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice10.1038/s41598-017-04361-w2045-2322https://doaj.org/article/5585abd1373448a0abebcb740028b7fa2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04361-whttps://doaj.org/toc/2045-2322Abstract All grass leaves are strap-shaped with a series of parallel veins running from base to tip, but the distance between each pair of veins, and the cell-types that develop between them, differs depending on whether the plant performs C3 or C4 photosynthesis. As part of a multinational effort to introduce C4 traits into rice to boost crop yield, candidate regulators of C4 leaf anatomy were previously identified through an analysis of maize leaf transcriptomes. Here we tested the potential of 60 of those candidate genes to alter leaf anatomy in rice. In each case, transgenic rice lines were generated in which the maize gene was constitutively expressed. Lines grouped into three phenotypic classes: (1) indistinguishable from wild-type; (2) aberrant shoot and/or root growth indicating possible perturbations to hormone homeostasis; and (3) altered secondary cell wall formation. One of the genes in class 3 defines a novel monocot-specific family. None of the genes were individually sufficient to induce C4-like vein patterning or cell-type differentiation in rice. A better understanding of gene function in C4 plants is now needed to inform more sophisticated engineering attempts to alter leaf anatomy in C3 plants.Peng WangShanta KarkiAkshaya K. BiswalHsiang-Chun LinMary Jacqueline DionoraGovinda RizalXiaojia YinMara L. SchulerTom HughesJim P. FouracreBasel Abu JamousOlga SedelnikovaShuen-Fang LoAnindya BandyopadhyaySu-May YuSteven KellyW. Paul QuickJane A. LangdaleNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-15 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Peng Wang
Shanta Karki
Akshaya K. Biswal
Hsiang-Chun Lin
Mary Jacqueline Dionora
Govinda Rizal
Xiaojia Yin
Mara L. Schuler
Tom Hughes
Jim P. Fouracre
Basel Abu Jamous
Olga Sedelnikova
Shuen-Fang Lo
Anindya Bandyopadhyay
Su-May Yu
Steven Kelly
W. Paul Quick
Jane A. Langdale
Candidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice
description Abstract All grass leaves are strap-shaped with a series of parallel veins running from base to tip, but the distance between each pair of veins, and the cell-types that develop between them, differs depending on whether the plant performs C3 or C4 photosynthesis. As part of a multinational effort to introduce C4 traits into rice to boost crop yield, candidate regulators of C4 leaf anatomy were previously identified through an analysis of maize leaf transcriptomes. Here we tested the potential of 60 of those candidate genes to alter leaf anatomy in rice. In each case, transgenic rice lines were generated in which the maize gene was constitutively expressed. Lines grouped into three phenotypic classes: (1) indistinguishable from wild-type; (2) aberrant shoot and/or root growth indicating possible perturbations to hormone homeostasis; and (3) altered secondary cell wall formation. One of the genes in class 3 defines a novel monocot-specific family. None of the genes were individually sufficient to induce C4-like vein patterning or cell-type differentiation in rice. A better understanding of gene function in C4 plants is now needed to inform more sophisticated engineering attempts to alter leaf anatomy in C3 plants.
format article
author Peng Wang
Shanta Karki
Akshaya K. Biswal
Hsiang-Chun Lin
Mary Jacqueline Dionora
Govinda Rizal
Xiaojia Yin
Mara L. Schuler
Tom Hughes
Jim P. Fouracre
Basel Abu Jamous
Olga Sedelnikova
Shuen-Fang Lo
Anindya Bandyopadhyay
Su-May Yu
Steven Kelly
W. Paul Quick
Jane A. Langdale
author_facet Peng Wang
Shanta Karki
Akshaya K. Biswal
Hsiang-Chun Lin
Mary Jacqueline Dionora
Govinda Rizal
Xiaojia Yin
Mara L. Schuler
Tom Hughes
Jim P. Fouracre
Basel Abu Jamous
Olga Sedelnikova
Shuen-Fang Lo
Anindya Bandyopadhyay
Su-May Yu
Steven Kelly
W. Paul Quick
Jane A. Langdale
author_sort Peng Wang
title Candidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice
title_short Candidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice
title_full Candidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice
title_fullStr Candidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice
title_full_unstemmed Candidate regulators of Early Leaf Development in Maize Perturb Hormone Signalling and Secondary Cell Wall Formation When Constitutively Expressed in Rice
title_sort candidate regulators of early leaf development in maize perturb hormone signalling and secondary cell wall formation when constitutively expressed in rice
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/5585abd1373448a0abebcb740028b7fa
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