A G protein alpha null mutation confers prolificacy potential in maize
Abstract
Plasticity in plant development is controlled by environmental signals through largely unknown signalling networks. Signalling coupled by the heterotrimeric G protein complex underlies various developmental pathways in plants. The morphology of two plastic developmental pathways, root system architecture and female inflorescence formation, was quantitatively assessed in a mutant compact plant 2 (ct2) lacking the alpha subunit of the heterotrimeric G protein complex in maize. The ct2 mutant partially compensated for a reduced shoot height by increased total leaf number, and had far more ears, even in the presence of pollination signals. Lastly, the maize heterotrimeric G protein complex is important in some plastic developmental traits in maize. In particular, the maize Gα subunit is required to dampen the overproduction of female inflorescences.
- Authors:
-
- Univ. of North Carolina, Chapel Hill, NC (United States). Dept. of Biology
- Cold Spring Harbor Lab., Cold Spring Harbor, NY (United States)
- Univ. of North Carolina, Chapel Hill, NC (United States). Dept. of Biology; Univ. of North Carolina, Chapel Hill, NC (United States). Dept. of Pharmacology
- Publication Date:
- Research Org.:
- University of North Carolina, Chapel Hill, NC (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
- OSTI Identifier:
- 1343102
- Grant/Contract Number:
- FG02-05ER15671; R01GM065989; MCB-0718202
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Experimental Botany
- Additional Journal Information:
- Journal Volume: 66; Journal Issue: 15; Journal ID: ISSN 0022-0957
- Publisher:
- Oxford University Press
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; 60 APPLIED LIFE SCIENCES; Cell division; development; ear; G protein; maize; signalling
Citation Formats
Urano, Daisuke, Jackson, David, and Jones, Alan M. A G protein alpha null mutation confers prolificacy potential in maize. United States: N. p., 2015.
Web. doi:10.1093/jxb/erv215.
Urano, Daisuke, Jackson, David, & Jones, Alan M. A G protein alpha null mutation confers prolificacy potential in maize. United States. https://doi.org/10.1093/jxb/erv215
Urano, Daisuke, Jackson, David, and Jones, Alan M. Wed .
"A G protein alpha null mutation confers prolificacy potential in maize". United States. https://doi.org/10.1093/jxb/erv215. https://www.osti.gov/servlets/purl/1343102.
@article{osti_1343102,
title = {A G protein alpha null mutation confers prolificacy potential in maize},
author = {Urano, Daisuke and Jackson, David and Jones, Alan M.},
abstractNote = {Plasticity in plant development is controlled by environmental signals through largely unknown signalling networks. Signalling coupled by the heterotrimeric G protein complex underlies various developmental pathways in plants. The morphology of two plastic developmental pathways, root system architecture and female inflorescence formation, was quantitatively assessed in a mutant compact plant 2 (ct2) lacking the alpha subunit of the heterotrimeric G protein complex in maize. The ct2 mutant partially compensated for a reduced shoot height by increased total leaf number, and had far more ears, even in the presence of pollination signals. Lastly, the maize heterotrimeric G protein complex is important in some plastic developmental traits in maize. In particular, the maize Gα subunit is required to dampen the overproduction of female inflorescences.},
doi = {10.1093/jxb/erv215},
journal = {Journal of Experimental Botany},
number = 15,
volume = 66,
place = {United States},
year = {Wed May 06 00:00:00 EDT 2015},
month = {Wed May 06 00:00:00 EDT 2015}
}
Web of Science
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Gα modulates salt-induced cellular senescence and cell division in rice and maize
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Works referencing / citing this record:
Plant Morphology of Heterotrimeric G Protein Mutants
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Genome-wide association study (GWAS) reveals the genetic architecture of four husk traits in maize
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Plant Morphology of Heterotrimeric G Protein Mutants
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Role of heterotrimeric Gα proteins in maize development and enhancement of agronomic traits
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