Chinese Bulletin of Botany ›› 2020, Vol. 55 ›› Issue (4): 0-0.doi: 10.11983/CBB19243


Advances in AP2/ERF transcription factors regulating plant abiotic stress response

1, Lei -Yang1   

  • Received:2019-12-17 Revised:2020-02-03 Online:2020-05-21 Published:2020-07-01

Abstract: Low temperature, drought, high salt, hypoxia and other adverse environmental changes affect the growth and development of plants. Plants adapt to these adverse conditions through long-term evolution through the formation of complex regulatory mechanisms. AP2/ERF (APETALA2/ethylene responsive factor) is a unique transcription factor of plants and plays a key regulatory role in various stress responses. In recent years, more and more studies have shown that plant hormone-mediated signal level communication is closely related to stress response, and AP2/ERF transcription factors and hormone signal transduction form a cross-regulatory network. Many AP2/ERF transcription factors respond to plant hormones abscisic acid (ABA) and ethylene (ET), activating the expression of stress response genes that are dependent on and independent of ABA and ET. In addition, AP2/ERF transcription factors are also involved in gibberellin(GA), cytokinin(CTK) and brassinsteroid(BR) mediated growth and development processes and stress responses. This paper briefly reviews the AP2/ERF transcription factor structure, transcription regulation, posttranslational modifications, binding sites and interacting proteins and its transduction pathways involved in regulating dependent on or independent on hormones of the abiotic stress response, the research progress of to understand different AP2/ERF transcription factors role in the regulation of hormone and stress response network to provide certain theoretical basis.

Key words: AP2/ERF transcription factor, hormone, abiotic stress, regulation

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