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Characterization of Arabidopsis thaliana FLAVONOL SYNTHASE 1 (FLS1)-overexpression plan ts in response to abiotic stress

Authors
Nguyen Hoai NguyenKim, Jun HyeokKwon, JaeyoungJeong, Chan YoungLee, WonjeLee, DonghoHong, Suk-WhanLee, Hojoung
Issue Date
6월-2016
Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
Keywords
Abscisic acid (ABA); Abiotic stress; Anthocyanin; Flavonol; FLS1; Arabidopsis thaliana
Citation
PLANT PHYSIOLOGY AND BIOCHEMISTRY, v.103, pp.133 - 142
Indexed
SCIE
SCOPUS
Journal Title
PLANT PHYSIOLOGY AND BIOCHEMISTRY
Volume
103
Start Page
133
End Page
142
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/88466
DOI
10.1016/j.plaphy.2016.03.010
ISSN
0981-9428
Abstract
Flavonoids are an important group of secondary metabolites that are involved in plant growth and contribute to human health. Many studies have focused on the biosynthesis pathway, biochemical characters, and biological functions of flavonoids. In this report, we showed that overexpression of FLS1 (FLS1-OX) not only altered seed coat color (resulting in a light brown color), but also affected flavonoid accumulation. Whereas fls1-3 mutants accumulated higher anthocyanin levels, FLS1-OX seedlings had lower levels than those of the wild-type. Besides, shoot tissues of FLS1-OX plants exhibited lower flavonol levels than those of the wild-type. However, growth performance and abiotic stress tolerance of FLS1-OX, fisl-3, and wild-type plants were not significantly different. Taken together, FLS1 can be manipulated (i.e., silenced or overexpressed) to redirect the flavonoid biosynthetic pathway toward anthocyanin production without negative effects on plant growth and development. (C) 2016 Elsevier Masson SAS. All rights reserved.
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