Journal
TRENDS IN PLANT SCIENCE
Volume 22, Issue 10, Pages 880-893Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2017.07.010
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Funding
- Flanders Innovation and Entrepreneurship (VLAIO
- Brussels, Belgium)
- Ghent University
- Research Foundation Flanders (FWO)
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The spectacular yield increases in rice and wheat during the green revolution were partly realized by reduced gibberellin (GA) synthesis or sensitivity, both causing the accumulation of DELLA proteins. Although insights into the regulation of plant growth and development by DELLA proteins advanced rapidly in arabidopsis (Arabidopsis thaliana), DELLA-mediated regulation of downstream responses in cereals has received little attention to date. Furthermore, translating this research from arabidopsis to cereals is challenging given their different growth patterns and our phylogenetic analysis which reveals that DELLA-related DGLLA proteins exist in cereals but not in arabidopsis. Therefore, understanding the molecular basis of DELLA function in cereals holds great potential to improve yield. In this review, we propose to extend the focus of DELLA functional research to cereals, and highlight the appropriate tools that are now available to achieve this.
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