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Int. J. Mol. Sci. 2019, 20(4), 855;

Transcriptome Analysis of Chinese Chestnut (Castanea mollissima Blume) in Response to Dryocosmus kuriphilus Yasumatsu Infestation

Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
College of Forestry, Nanjing Forestry University, Nanjing 210037, China
Author to whom correspondence should be addressed.
Received: 14 January 2019 / Revised: 1 February 2019 / Accepted: 10 February 2019 / Published: 15 February 2019
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Chinese chestnut (Castanea mollissima Blume) can be infested by Dryocosmus kuriphilus Yasumatsu, resulting in gall formation and yield losses. Research on the control of gall wasps using genomics approaches is rarely reported. We used RNA-seq to investigate the dynamic changes in the genes of a chestnut species (C. mollissima B.) during four gall-formation stages caused by D. kuriphilus. A total of 21,306 genes were annotated by BLAST in databases. Transcriptome comparison between different gall-formation stages revealed many genes that were differentially expressed compared to the control. Among these, 2410, 7373, 6294, and 9412 genes were differentially expressed in four gall-formation stages: initiation stage (A), early growth stage (B), late growth stage (C), and maturation stage (D), respectively. Annotation analysis indicated that many metabolic processes (e.g., phenylpropanoid biosynthesis, secondary metabolism, plant–pathogen interaction) were affected. Interesting genes encoding putative components of signal transduction, stress response, and transcription factors were also differentially regulated. These genes might play important roles in response to D. kuriphilus gall formation. These new data on the mechanism by which D. kuriphilus infests chestnuts could help improve chestnut resistance. View Full-Text
Keywords: transcriptome; Chinese chestnut; Dryocosmus kuriphilus; infestation; gall formation transcriptome; Chinese chestnut; Dryocosmus kuriphilus; infestation; gall formation

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Zhu, C.; Shi, F.; Chen, Y.; Wang, M.; Zhao, Y.; Geng, G. Transcriptome Analysis of Chinese Chestnut (Castanea mollissima Blume) in Response to Dryocosmus kuriphilus Yasumatsu Infestation. Int. J. Mol. Sci. 2019, 20, 855.

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