The Latest Research Progress on the Stress Responses of bZIP Involved in Plants

doi:10.13560/j.cnki.biotech.bull.1985.2018-0562

Abstract

Abstract: bZIP（basic leucine zipper）protein contains two domains,a highly conserved basic region which binds to DNA,and a diversified leucine zipper,and is one of the largest transcription factor（TF）families in plants. The homo-dimers and hetero-dimers of bZIP regulates the expressions of downstream-related genes such as ERF5,KIN1,CORl5A,COR78,CYP707A1,CYP707A3,ADS,and CYP71AV1 through binding to cis-elements G-box,C-box,ABRE,LTRE,and BoxII. Plant bZIPs are involved in the regulation of flower development,seed maturation,dormancy and senescence,and play an important role in ABA signal response and abiotic stresses such as salt damage,drought,chilling injury,osmotic stress and mechanical damage. Furthermore,bZIP is involved in the responses and regulations to biological stresses such as insect infestation and pathogen infection via salicylic acid,jasmonate and ABA signaling pathways. This paper mainly summarizes the structure characteristics,classification features and the mechanisms of bZIP,as well as the latest research progress on the responses of bZIP to biotic and abiotic stresses in plants. This review provides a theoretical basis and research ideas for further exploring the stress-related function of bZIP transcription factor.

Key words: bZIP, abiotic stress, biotic stress, response and regulation, signaling pathway

CUI Rong-xiu, ZHANG Yi-wen, CHEN Xiao-qian, GU Cai-hong, ZHANG Quan. The Latest Research Progress on the Stress Responses of bZIP Involved in Plants[J]. Biotechnology Bulletin, 2019, 35(2): 143-155.

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