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当前位置: 首页 > 文章 > Genome-wide Identification and Classification of HSF Family in Grape, and Their Transcriptional Analysis under Heat Acclimation and Heat Stress 园艺学报(英文版) 2018,4 (4)
Position: Home > Articles > Genome-wide Identification and Classification of HSF Family in Grape, and Their Transcriptional Analysis under Heat Acclimation and Heat Stress Horticultural Plant Journal 2018,4 (4)

Genome-wide Identification and Classification of HSF Family in Grape, and Their Transcriptional Analysis under Heat Acclimation and Heat Stress

作  者：
Guotian Liu;Fengmei Chai;Yi Wang;Jinzhu Jiang;Wei Duan;Yuting Wang;Fangfang Wang;Shaohua Li;Lijun Wan
单  位：
Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, the Chinese Academy of Sciences, Wuhan 430074, China;Beijing Key Laboratory of Grape Science and Enology, and Key Laboratory of Plant Resources Institute of Botany The Chinese Academy of Sciences Beijing 100093 Chin;State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China;Beijing Key Laboratory of Grape Science and Enology, and Key Laboratory of Plant Resources Institute of Botany The Chinese Academy of Sciences Beijing 100093 China
关键词：
grape;HSF;heat stress;heat acclimation;transcriptional profiles;ACQUIRED THERMOTOLERANCE;DEVELOPMENTAL REGULATION;EXPRESSION PROFILES;ABIOTIC STRESSES;SHOCK-PROTEIN;ARABIDOPSIS;PLANT;REGULATOR;RESPONSES;CASCAD
摘  要：
Heat stress is one of the most serious threats in viticulture. Heat shock transcription factors (HSFs) have been proven to be the most important transcriptional factor family in the plant response to heat. In this study, a total of 19 putative HSF genes (VHSFs) were identified from the 12 x Vitis vinifera Pinot Noir PN4002 genome, and their chromosomal location, phylogenetic tree, exon-intron structure and conserved motifs were also analyzed. In addition, these HSFs transcriptional profiles in Vitis vinifera 'Jingxiu' (weak heat tolerance) and Vitis davidii 'Tangwei' (strong heat tolerance) under heat stress (47 degrees C) and heat acclimation (38 degrees C) were presented. Only VHSF01, VHSF05, VHSF15 and VHSF18 among 19 VHSFs showed different transcriptional models in these two genotypes under the same treatment, suggesting that these four VHSFs may be important factors which result in a thermotolerance difference between lingxiu' and `Tangwei'. This study provides novel insights into the response of 19 VHSFs to heat stress in the grape and suggests that potential key VHSFs in grape thermotolerance have great implications for molecular breeding in grapes.

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