Genome-wide identification, expression analysis of WRKY transcription factors in Citrus ichangensis and functional validation of CiWRKY31 in response to cold stress

Abstract Background Ichang papeda (Citrus ichangensis), a wild perennial plant of the Rutaceae family, is a cold-hardy plant.WRKY transcription factors are crucial regulators of plant growth and development as well as abiotic stress responses.However, the WRKY genes in C.ichangensis (CiWRKY) and their expression patterns under cold stress have not

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