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Current Bioinformatics


ISSN (Print): 1574-8936
ISSN (Online): 2212-392X

Research Article

Cloning, Bioinformatic Analysis and Expression Pattern of Phospholipase D Gene Family in Vitis vinifera

Author(s): Dan Yu, Qimin Chen, Weidong Huang, Sibao Wan and Jicheng Zhan*

Volume 13, Issue 1, 2018

Page: [42 - 49] Pages: 8

DOI: 10.2174/1574893611666160608101716

Price: $65


Background: The phospholipase D genes have been identified to play critical roles in plant growth and stress responses. There are 12 and 17 PLD members conformed in Arabidopsis and Oryza sativa respectively. Different PLD isoforms have distinct regulatory and catalytic properties.

Method: In this study, the VvPLD genes were cloned using the genome-wide search and RT-PCR amplification from suspenson-cultured grape cells (Vitis vinifera L. cv. Cabernet Sauvignon). A comprehensive bioinformatics analysis of the VvPLD family was then performed.To further investigate the function of the VvPLD genes during pathogen infection process, Botrytis cinerea was used to attack suspenson-cultured Cabernet Sauvignon cells. The mRNA expression patterns of VvPLDs were examined by quantitative real-time PCR.

Results: Ten PLD coding sequences (CDS) and two PLD genes segments were isolated from grape berry suspension cells. The VvPLDs were characterized and classified into 6 types (2 VvPLDαs, 2 VvPLDβs, 3 VvPLDδs, 1 VvPLDε, 1 VvPLDρ and 1 VvPLDζ) and 3 groups (C2-PLD, PXPH-PLD and SP-PLD). Quantitative real-time RT-PCR analysis showed that VvPLDβ1, VvPLDβ2, VvPLDδ2, VvPLDρ and VvPLDζ were up-regulated, whereas VvPLDα and VvPLDδ were down-regulated during Botrytis cinerea infection. Immunoblotting with AtPLDα1 antibodies detected a higher abundance of VvPLDα in infected grape cells, which was in accordance with its enzyme activity.

Conclusion: The results of this study will be useful in selecting candidate genes related to disease resistance in grapevine and pave the way for further functional verification of the VvPLD genes.

Keywords: Phospholipase D, bioinformatics analysis, expression pattern, Vitis vinifera, Arabidopsis, Oryza sativa.

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