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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2018.09.018
|2 doi
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|a pubmed25n0969.xml
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|a (DE-627)NLM290980496
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|a (NLM)30466591
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|a (PII)S0168-9452(18)30638-1
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Tyagi, Shikha
|e verfasserin
|4 aut
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| 245 |
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|a Natural variation in Brassica FT homeologs influences multiple agronomic traits including flowering time, silique shape, oil profile, stomatal morphology and plant height in B. juncea
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 17.12.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier B.V. All rights reserved.
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|a Natural structural variants of regulatory proteins causing quantitative phenotypic consequences have not been reported in plants. Herein, we show that 28 natural structural variants of FT homeologs, isolated from 6 species of Brassica, differ with respect to amino-acid substitutions in regions critical for interactions with FD and represent two evolutionarily distinct categories. Analysis of structural models of selected candidates from Brassica juncea (BjuFT_AAMF1) and Brassica napus (BnaFT_CCLF) predicted stronger binding between BjuFT and Arabidopsis thaliana FD. Over-expression of BjuFT and BnaFT in wild type and ft-10 mutant backgrounds of Arabidopsis validated higher potency of BjuFT in triggering floral transition. Analysis of gain-of-function and artificial miRNA mediated silenced lines of B. juncea implicated Brassica FT in multiple agronomic traits beyond flowering, consistent with a pleiotropic effect. Several dependent and independent traits such as lateral branching, silique shape, seed size, oil-profile, stomatal morphology and plant height were found altered in mutant lines. Enhanced FT levels caused early flowering, which in turn was positively correlated to a higher proportion of desirable fatty acids (PUFA). However, higher FT levels also resulted in altered silique shape and reduced seed size, suggesting trait trade-offs. Modulation of FT levels for achieving optimal balance of trait values and parsing pair-wise interactions among a reportoire of regulatory protein homeologs in polyploid genomes are indeed future areas of crop research
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|a Journal Article
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|a Artificial microRNA
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|a Brassica and Arabidopsis transformation
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|a Fatty acid profile
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|a Flowering time
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|a Natural variation
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|a Pleiotropy
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|a Silique and seed development
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| 650 |
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|a Stomatal morphology
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| 650 |
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|a Fatty Acids
|2 NLM
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| 650 |
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|a MicroRNAs
|2 NLM
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| 700 |
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|a Mazumdar, Pooja Anjali
|e verfasserin
|4 aut
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| 700 |
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|a Mayee, Pratiksha
|e verfasserin
|4 aut
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| 700 |
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|a Shivaraj, S M
|e verfasserin
|4 aut
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|a Anand, Saurabh
|e verfasserin
|4 aut
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| 700 |
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|a Singh, Anupama
|e verfasserin
|4 aut
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| 700 |
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|a Madhurantakam, Chaithanya
|e verfasserin
|4 aut
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|a Sharma, Prateek
|e verfasserin
|4 aut
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|a Das, Sandip
|e verfasserin
|4 aut
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|a Kumar, Arun
|e verfasserin
|4 aut
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| 700 |
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|a Singh, Anandita
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 277(2018) vom: 27. Dez., Seite 251-266
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
1 |
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|g volume:277
|g year:2018
|g day:27
|g month:12
|g pages:251-266
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|u http://dx.doi.org/10.1016/j.plantsci.2018.09.018
|3 Volltext
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|d 277
|j 2018
|b 27
|c 12
|h 251-266
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