|Table of Contents|

Research Progress on WRKY Transcription Factors in Juglans regia L.

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年7
Page:
124-133
Research Field:
Publishing date:

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Title:
Research Progress on WRKY Transcription Factors in Juglans regia L.
Author(s):
HE Jiahao1; HAN Changzhi2
(1.College of Forestry，Southwest Forestry University，Kunming，Yunnan 650224；2.Yunnan Key Laboratory of Forest Disaster Warning and Control，Kunming，Yunnan 650224)
Keywords:
Juglans regia; Colletotrichum gloeosporioides; anthracnose disease; WRKY transcription factors
PACS:
S664.1
DOI:
10.11937/bfyy.20253009
Abstract:
Walnut (Juglans regia L.) is an important woody oil-bearing and ecological tree species in China，playing a significant role in the development of the national economy.In recent years，as the walnut planting area in the country expanded annually，the growth of the walnut industry was persistently constrained by anthracnose caused by Colletotrichum gloeosporioides，thereby hindering its healthy and rapid development.In commercial walnut production，control of anthracnose relied heavily on chemical fungicides，which markedly compromised walnut quality.Therefore，through identification and characterization of walnut genes associated with resistance to C.gloeosporioides，together with elucidation of the underlying molecular mechanisms of walnut disease resistance，were essential for the sustainable development of the walnut industry.WRKY transcription factors played a pivotal role in plant disease resistance responses and signal transduction pathways.Previous studies identified WRKY transcription factors in walnuts via transcriptome analysis and qRT-PCR verification，and confirmed that disease-resistant transcription factors such as JrWRKY4，JrWRKY21 and JrWRKY70 were markedly up-regulated after walnut inoculation with C.gloeosporioides，thus exerting important effects in resisting the pathogen.Nevertheless，previous research remained insufficient in the functional validation of these factors in walnuts,their molecular mechanisms had not been fully elucidated，and studies on their synergistic interactions with other factors were relatively scarce.Consequently，this study characterized the functions of WRKY transcription factors in walnuts and investigated their synergistic interactions，with the aim of laying a theoretical foundation for subsequent in-depth research on the disease resistance mechanisms of walnut WRKY transcription factors and providing a reference for breeding anthracnose-resistant walnut varieties.

References:

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Last Update: 2026-04-14