Screening and Salinity Stress Analysis of MAPK Genes in Peanut

doi:10.7668/hbnxb.2017.03.005

Abstract

Abstract: Mitogen activated protein kinase (MAPK) plays an important role in plant growth and development,and stress resistance in plant.In order to improve our understanding of the MAPK genes in peanut,RNA-seq was used to analyze one transcriptomic library constructed using a mutant with higher salinity resistance (S2) and its control (S4) in this study,14 MAPK genes were screened and located on six chromosomes of A genome from wild species.Clustering analysis showed that 13 out of 14 MAPK genes were assorted to four subgroups reported previously.Digital gene expression profiles were constructed using S2 and S4 samples before and after salinity treatment,according to the adjusted P value,six MAPK genes were found to be responsive to salinity treatment in S2 and (or) S4,which belonged to A (1)and D (5) subgroups,respectively.This study can provide the basis for functional identification and application of MAPK genes in peanut.

Key words: Peanut, MAPK gene, Salinity stress, RNA-seq

CLC Number:

Q78
S565.03

KONG Xiangyuan, CHEN Guanxu, QIN Guilong, SUI Jiongming, QIAO Lixian, WANG Jingshan, XU Lili. Screening and Salinity Stress Analysis of MAPK Genes in Peanut[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2017, 32(3): 27-32. doi: 10.7668/hbnxb.2017.03.005.

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