Sugar-responsive transcription factor bZIP3 affects leaf shape in Arabidopsis plants.

IF 1.4 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Plant Biotechnology Pub Date : 2018-06-25 DOI:10.5511/PLANTBIOTECHNOLOGY.18.0410A

Miho Sanagi, Yu Lu, Shoki Aoyama, Yoshie Morita, Nobutaka Mitsuda, Miho Ikeda, M. Ohme-Takagi, Takeo Sato, J. Yamaguchi

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引用次数: 9

Abstract

Sugars are essential for plant metabolism, growth and development. Plants must therefore manage their growth and developmental processes in response to sugar availability. Sugar signaling pathways constitute a complicated molecular network and are associated with global transcriptional regulation. However, the molecular mechanisms underlying sugar signaling remain largely unclear. This study reports that the protein basic-region leucine zipper 3 (bZIP3) is a novel sugar-responsive transcription factor in Arabidopsis plants. The expression of bZIP3 was rapidly repressed by sugar. Genetic analysis indicated that bZIP3 expression was modulated by the SNF1-RELATED KINASE 1 (SnRK1) pathway. Moreover, transgenic plants overexpressing bZIP3 and dominant repressor form bZIP3-SRDX showed aberrant shaped cotyledons with hyponastic bending. These findings suggest that bZIP3 plays a role in plant responses to sugars and is also associated with leaf development.

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糖反应转录因子bZIP3影响拟南芥叶片形状。

糖是植物代谢、生长和发育所必需的。因此，植物必须管理其生长和发育过程，以响应糖的可用性。糖信号通路构成了一个复杂的分子网络，并与全球转录调控有关。然而，糖信号传导的分子机制仍不清楚。本研究报道了蛋白基区亮氨酸拉链3 (bZIP3)是拟南芥植物中一种新的糖应答转录因子。bZIP3的表达被糖迅速抑制。遗传分析表明，bZIP3的表达受SNF1-RELATED KINASE 1 (SnRK1)通路的调控。此外，过表达bZIP3和优势抑制因子bZIP3- srdx的转基因植株子叶形状异常，并出现下凸弯曲。这些发现表明，bZIP3在植物对糖的反应中起作用，并与叶片发育有关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plant Biotechnology BIOTECHNOLOGY & APPLIED MICROBIOLOGY-PLANT SCIENCES

CiteScore

2.90

自引率

18.80%

发文量

审稿时长

6-12 weeks

期刊介绍： Plant Biotechnology is an international, open-access, and online journal, published every three months by the Japanese Society for Plant Biotechnology. The journal, first published in 1984 as the predecessor journal, “Plant Tissue Culture Letters” and became its present form in 1997 when the society name was renamed to Japanese Society for Plant Cell and Molecular Biology, publishes findings in the areas from basic- to application research of plant biotechnology. The aim of Plant Biotechnology is to publish original and high-impact papers, in the most rapid turnaround time for reviewing, on the plant biotechnology including tissue culture, production of specialized metabolites, transgenic technology, and genome editing technology, and also on the related research fields including molecular biology, cell biology, genetics, plant breeding, plant physiology and biochemistry, metabolic engineering, synthetic biology, and bioinformatics.