bHLH转录因子在植物缺铁调控网络中的作用机制

doi:10.3969/j.issn.1674-7968.2021.12.016

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Abstract Iron is one of the most important trace elements for plant growth and development. As an enzyme cofactor or part of the electron transport chain, it plays a role in various important metabolic processes such as plant photosynthesis, respiration and amino acid biosynthesis. To cope with iron deficiency, plants have evolved complex transcriptional regulatory networks to maintain iron homeostasis and strictly control iron uptake, transport, assimilation and storage. These regulatory networks are composed of multiple transcription factors, among which the basic helix-loop helix (bHLH) family is one of the most critical transcription factor families. In this paper, two strategies of plant response to iron deficiency were briefly summarized. This paper introduced the structure, classification and action form of bHLH transcription factors, and discusses the latest progress of bHLH transcription factors such as FER-like iron deficiency-induced transcription factor (FIT), PYE (POPEYE), upsteam regulator of iron-regulated transporter 1 (URI) and the iron deficiency regulatory protein E3 ubiquitin ligase BRUTUS (BTS) in the regulation of iron homeostasis cascade. This paper provides theoretical basis for the study of the mechanism of bHLH transcription factors in plant iron deficiency regulation network.

Key words： Basic helix-loop helix (bHLH) Transcription factors Iron deficiency Cascading regulatory network

Received: 24 March 2021

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S184

Corresponding Authors: *jzlgm88@163.com

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	Articles by authors
	ZHAO An-Na
	LUO Guang-Ming
	LUO Yang-Jing
	SONG Dan-Dan
	XIA Hong-Dong
	REN Hong-Man
	ZHANG Pan

Cite this article:

ZHAO An-Na,LUO Guang-Ming,LUO Yang-Jing, et al. Mechanism of bHLH Transcription Factors in the Regulatory Network of Plant Iron Deficiency[J]. 农业生物技术学报, 2021, 29(12): 2427-2435.

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http://journal05.magtech.org.cn/Jwk_ny/EN/10.3969/j.issn.1674-7968.2021.12.016 OR http://journal05.magtech.org.cn/Jwk_ny/EN/Y2021/V29/I12/2427

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