Comparative transcriptome profiling of chilling stress responsiveness in grafted watermelon seedlings

Copyright © 2016. Published by Elsevier Masson SAS.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 109(2016) vom: 30. Dez., Seite 561-570
1. Verfasser: Xu, Jinhua (VerfasserIn)
Weitere Verfasser: Zhang, Man, Liu, Guang, Yang, Xingping, Hou, Xilin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Comparative Study Journal Article Chilling stress Differentially-expressed gene (DEG) Rootstock grafting Watermelon Heat-Shock Proteins Plant Proteins Transcription Factors Malondialdehyde 4Y8F71G49Q
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520 |a Rootstock grafting may improve the resistance of watermelon plants to low temperatures. However, information regarding the molecular responses of rootstock grafted plants to chilling stress is limited. To elucidate the molecular mechanisms of chilling tolerance in grafted plants, the transcriptomic responses of grafted watermelon under chilling stress were analyzed using RNA-seq analysis. Sequencing data were used for digital gene expression (DGE) analysis to characterize the transcriptomic responses in grafted watermelon seedlings. A total of 702 differentially-expressed genes (DEGs) were found in rootstock grafted (RG) watermelon relative to self-grafted (SG) watermelon; among these genes, 522 genes were up-regulated and 180 were down-regulated. Additionally, 164 and 953 genes were found to specifically expressed in RG and SG seedlings under chilling stress, respectively. Functional annotations revealed that up-regulated DEGs are involved in protein processing, plant-pathogen interaction and the spliceosome, whereas down-regulated DEGs are associated with photosynthesis. Moreover, 13 DEGs were randomly selected for quantitative real time PCR (qRT-PCR) analysis. The expression profiles of these 13 DEGs were consistent with those detected by the DGE analysis, supporting the reliability of the DGE data. This work provides additional insight into the molecular basis of grafted watermelon responses to chilling stress 
650 4 |a Comparative Study 
650 4 |a Journal Article 
650 4 |a Chilling stress 
650 4 |a Differentially-expressed gene (DEG) 
650 4 |a Rootstock grafting 
650 4 |a Watermelon 
650 7 |a Heat-Shock Proteins  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
650 7 |a Malondialdehyde  |2 NLM 
650 7 |a 4Y8F71G49Q  |2 NLM 
700 1 |a Zhang, Man  |e verfasserin  |4 aut 
700 1 |a Liu, Guang  |e verfasserin  |4 aut 
700 1 |a Yang, Xingping  |e verfasserin  |4 aut 
700 1 |a Hou, Xilin  |e verfasserin  |4 aut 
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773 1 8 |g volume:109  |g year:2016  |g day:30  |g month:12  |g pages:561-570 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2016.11.002  |3 Volltext 
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