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Title: A G protein alpha null mutation confers prolificacy potential in maize

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:
 [1] ;  [2] ;  [3]
  1. Univ. of North Carolina, Chapel Hill, NC (United States). Dept. of Biology
  2. Cold Spring Harbor Lab., Cold Spring Harbor, NY (United States)
  3. 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:
Grant/Contract Number:
FG02-05ER15671; R01GM065989; MCB-0718202
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
Research Org:
Univ. of North Carolina, Chapel Hill, NC (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 60 APPLIED LIFE SCIENCES; Cell division; development; ear; G protein; maize; signalling
OSTI Identifier:
1343102

Urano, Daisuke, Jackson, David, and Jones, Alan M. A G protein alpha null mutation confers prolificacy potential in maize. United States: N. p., 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. doi:10.1093/jxb/erv215.
Urano, Daisuke, Jackson, David, and Jones, Alan M. 2015. "A G protein alpha null mutation confers prolificacy potential in maize". United States. doi: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 = {2015},
month = {5}
}