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Altered expression of maize PLASTOCHRON1 enhances biomass and seed yield by extending cell division duration

X. Sun, J. Cahill, T. Van Hautegem, K. Feys, C. Whipple, O. Novák, S. Delbare, C. Versteele, K. Demuynck, J. De Block, V. Storme, H. Claeys, M. Van Lijsebettens, G. Coussens, K. Ljung, A. De Vliegher, M. Muszynski, D. Inzé, H. Nelissen,

. 2017 ; 8 (-) : 14752. [pub] 20170316

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc19001295

Maize is the highest yielding cereal crop grown worldwide for grain or silage. Here, we show that modulating the expression of the maize PLASTOCHRON1 (ZmPLA1) gene, encoding a cytochrome P450 (CYP78A1), results in increased organ growth, seedling vigour, stover biomass and seed yield. The engineered trait is robust as it improves yield in an inbred as well as in a panel of hybrids, at several locations and over multiple seasons in the field. Transcriptome studies, hormone measurements and the expression of the auxin responsive DR5rev:mRFPer marker suggest that PLA1 may function through an increase in auxin. Detailed analysis of growth over time demonstrates that PLA1 stimulates the duration of leaf elongation by maintaining dividing cells in a proliferative, undifferentiated state for a longer period of time. The prolonged duration of growth also compensates for growth rate reduction caused by abiotic stresses.

Citace poskytuje Crossref.org

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$a Sun, Xiaohuan $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Maize is the highest yielding cereal crop grown worldwide for grain or silage. Here, we show that modulating the expression of the maize PLASTOCHRON1 (ZmPLA1) gene, encoding a cytochrome P450 (CYP78A1), results in increased organ growth, seedling vigour, stover biomass and seed yield. The engineered trait is robust as it improves yield in an inbred as well as in a panel of hybrids, at several locations and over multiple seasons in the field. Transcriptome studies, hormone measurements and the expression of the auxin responsive DR5rev:mRFPer marker suggest that PLA1 may function through an increase in auxin. Detailed analysis of growth over time demonstrates that PLA1 stimulates the duration of leaf elongation by maintaining dividing cells in a proliferative, undifferentiated state for a longer period of time. The prolonged duration of growth also compensates for growth rate reduction caused by abiotic stresses.
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$a Cahill, James $u Department of Genetics, Development, and Cell Biology, Iowa State University, Ames, 50011 Iowa, USA.
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$a Van Hautegem, Tom $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Feys, Kim $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Whipple, Clinton $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium. Department of Biology, Brigham Young University, Provo 84602, Utah, USA.
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$a Novák, Ondrej $u Laboratory of Growth Regulators and Department of Chemical Biology and Genetics, Centre of the Region Haná for Biotechnological and Agricultural Research, Palacký University, 771 47 Olomouc, Czech Republic. Institute of Experimental Botany, Academy of Sciences of the Czech Republic, 771 47 Olomouc, Czech Republic.
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$a Delbare, Sofie $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Versteele, Charlot $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Demuynck, Kirin $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a De Block, Jolien $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Storme, Veronique $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Claeys, Hannes $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Van Lijsebettens, Mieke $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Coussens, Griet $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Ljung, Karin $u Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 907 36 Umeå, Sweden.
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$a De Vliegher, Alex $u Institute for Agricultural and Fisheries Research (ILVO), 9820 Merelbeke, Belgium.
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$a Muszynski, Michael $u Department of Genetics, Development, and Cell Biology, Iowa State University, Ames, 50011 Iowa, USA.
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$a Inzé, Dirk $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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$a Nelissen, Hilde $u Department of Plant Systems Biology, VIB, 9052 Gent, Belgium. Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Gent, Belgium.
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