Genome-Wide Identification, Molecular Evolution, and Expression Profiling Analysis of Pectin Methylesterase Inhibitor Genes in Brassica campestris ssp. chinensis.

ABSTRACT: Pectin methylesterase inhibitor genes (PMEIs) are a large multigene family and play crucial roles in cell wall modifications in plant growth and development. Here, a comprehensive analysis of the PMEI gene family in Brassicacampestris, an important leaf vegetable, was performed. We identified 100 BrassicacampestrisPMEI genes (BcPMEIs), among which 96 BcPMEIs were unevenly distributed on 10 chromosomes and nine tandem arrays containing 20 BcPMEIs were found. We also detected 80 pairs of syntenic PMEI orthologs. These findings indicated that whole-genome triplication (WGT) and tandem duplication (TD) were the main mechanisms accounting for the current number of BcPMEIs. In evolution, BcPMEIs were retained preferenti

SUBMITTER: Liu T 

PROVIDER: S-EPMC5983585 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature