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Title: A florigen paralog is required for short-day vernalization in a pooid grass

Abstract

Perception of seasonal cues is critical for reproductive success in many plants. Exposure to winter cold is a cue that can confer competence to flower in the spring via a process known as vernalization. In certain grasses, exposure to short days is another winter cue that can lead to a vernalized state. In Brachypodium distachyon, we find that natural variation for the ability of short days to confer competence to flower is due to allelic variation of the FLOWERING LOCUS T (FT1) paralog FT-like9 (FTL9). An active FTL9 allele is required for the acquisition of floral competence, demonstrating a novel role for a member of the FT family of genes. Loss of the short-day vernalization response appears to have arisen once in B. distachyon and spread through diverse lineages indicating that this loss has adaptive value, perhaps by delaying spring flowering until the danger of cold damage to flowers has subsided.

Authors:
ORCiD logo [1];  [2];  [3];  [4];  [5];  [6]; ORCiD logo [5]
  1. Univ. of Wisconsin, Madison, WI (United States); Univ. of California, Davis, CA (United States)
  2. Univ. of Wisconsin, Madison, WI (United States); Northwest A&F Univ., Yangling (China); Chinese Academy of Sciences (CAS), Kunming (China)
  3. Univ. of Wisconsin, Madison, WI (United States); Univ. of Liege (Belgium)
  4. Univ. of Wisconsin, Madison, WI (United States); Cornell Univ., Ithaca, NY (United States)
  5. Univ. of Wisconsin, Madison, WI (United States)
  6. Univ. of Wisconsin, Madison, WI (United States); Monsanto Company, Chesterfield, MO (United States)
Publication Date:
Research Org.:
Univ. of Wisconsin, Madison, WI (United States). Great Lakes Bioenergy Research Center
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER); National Science Foudnation (NSF); National Institutes of Health (NIH)
OSTI Identifier:
1601237
Grant/Contract Number:  
SC0018409; FC02-07ER6449; IOS-1258126
Resource Type:
Accepted Manuscript
Journal Name:
eLife
Additional Journal Information:
Journal Volume: 8; Journal ID: ISSN 2050-084X
Publisher:
eLife Sciences Publications, Ltd.
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES

Citation Formats

Woods, Daniel, Dong, Yinxin, Bouche, Frederic, Bednarek, Ryland, Rowe, Mark, Ream, Thomas, and Amasino, Richard. A florigen paralog is required for short-day vernalization in a pooid grass. United States: N. p., 2019. Web. doi:10.7554/eLife.42153.
Woods, Daniel, Dong, Yinxin, Bouche, Frederic, Bednarek, Ryland, Rowe, Mark, Ream, Thomas, & Amasino, Richard. A florigen paralog is required for short-day vernalization in a pooid grass. United States. https://doi.org/10.7554/eLife.42153
Woods, Daniel, Dong, Yinxin, Bouche, Frederic, Bednarek, Ryland, Rowe, Mark, Ream, Thomas, and Amasino, Richard. Tue . "A florigen paralog is required for short-day vernalization in a pooid grass". United States. https://doi.org/10.7554/eLife.42153. https://www.osti.gov/servlets/purl/1601237.
@article{osti_1601237,
title = {A florigen paralog is required for short-day vernalization in a pooid grass},
author = {Woods, Daniel and Dong, Yinxin and Bouche, Frederic and Bednarek, Ryland and Rowe, Mark and Ream, Thomas and Amasino, Richard},
abstractNote = {Perception of seasonal cues is critical for reproductive success in many plants. Exposure to winter cold is a cue that can confer competence to flower in the spring via a process known as vernalization. In certain grasses, exposure to short days is another winter cue that can lead to a vernalized state. In Brachypodium distachyon, we find that natural variation for the ability of short days to confer competence to flower is due to allelic variation of the FLOWERING LOCUS T (FT1) paralog FT-like9 (FTL9). An active FTL9 allele is required for the acquisition of floral competence, demonstrating a novel role for a member of the FT family of genes. Loss of the short-day vernalization response appears to have arisen once in B. distachyon and spread through diverse lineages indicating that this loss has adaptive value, perhaps by delaying spring flowering until the danger of cold damage to flowers has subsided.},
doi = {10.7554/eLife.42153},
journal = {eLife},
number = ,
volume = 8,
place = {United States},
year = {Tue Jan 08 00:00:00 EST 2019},
month = {Tue Jan 08 00:00:00 EST 2019}
}

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Cited by: 22 works
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