E3S Web Conf.
Volume 145, 20202019 International Academic Exchange Conference on Science and Technology Innovation (IAECST 2019)
|Number of page(s)||4|
|Section||International Conference on Biotechnology and Food Science|
|Published online||06 February 2020|
Research progress of NPR genes in signal pathway of salicylic acid mediated plant disease resistance
1 College of Forestry, Beihua University, Jilin, 132013, China
2 College of Life Science and Technology, Yangtze Normal University, Chongqing, 408100, China
Salicylic acid (SA) is considered to be an endogenous signal molecule in plants, and it is related to many resistances in plants. In Arabidopsis, Non-expressor of pathogenesis-related gene1 (NPR1) mediates the expression of pathogenesis-related genes (PRs) and systemic acquired resistance (SAR) induced by SA. NPR1 is a key factor in SA signaling pathway, and the research shows that NPR1, NPR3 and NPR4 play a key role in SA mediated plant disease resistance. In this review, the interaction between NPR and transcription factors is discussed, and we also describe the progress of NPR in SA mediated SAR signal transduction pathway, likewise, we introduce the relationship between NPR1 and its paralogues NPR3/NPR4. This paper analyzes the research prospect of NPR as the intersection of multiple signal paths.
© The Authors, published by EDP Sciences 2020
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