Genome-wide analysis of respiratory burst oxidase homologs in grape (Vitis vinifera L.)

International Journal of Molecular Sciences
Chenxia ChengXiping Wang

Abstract

Plant respiratory burst oxidase homolog (rboh) genes appear to play crucial roles in plant development, defense reactions and hormone signaling. In this study, a total of seven rboh genes from grape were identified and characterized. Genomic structure and predicted protein sequence analysis indicated that the sequences of plant rboh genes are highly conserved. Synteny analysis demonstrated that several Vvrboh genes were found in corresponding syntenic blocks of Arabidopsis, suggesting that these genes arose before the divergence of the respective lineages. The expression pattern of Vvrboh genes in different tissues was assessed by qRT-PCR and two were constitutively expressed in all tissues tested. The expression profiles were similarly analyzed following exposure to various stresses and hormone treatments. It was shown that the expression levels of VvrbohA, VvrbohB and VvrbohC1 were significantly increased by salt and drought treatments. VvrbohB, VvrbohC2, and VvrbohD exhibited a dramatic up-regulation after powdery mildew (Uncinula necator (Schw.) Burr.) inoculation, while VvrbohH was down-regulated. Finally, salicylic acid treatment strongly stimulated the expression of VvrbohD and VvrbohH, while abscisic acid treatment indu...Continue Reading

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Citations

May 8, 2018·Free Radical Research·Wei WangFafu Shen
May 19, 2017·PloS One·Nahid H HajrahRobert K Jansen
May 14, 2020·International Journal of Molecular Sciences·Yu ZouYi Ding
Feb 6, 2021·International Journal of Molecular Sciences·Fiaz RasulBernd Mueller-Roeber

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Datasets Mentioned

BETA
AY680701

Methods Mentioned

BETA
salt stress

Software Mentioned

ClustalX
IQ5
MEGA
SPSS
est2genome
DOG
SMART
Circos

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