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 preferentially and biasedly, consistent with the gene balance hypothesis and two-step theory, respectively. The molecular evolution analysis of BcPMEIs manifested that they evolved through purifying selection and the divergence time is in accordance with the WGT data of B. campestris. To obtain the functional information of BcPMEIs, the expression patterns in five tissues and the cis-elements distributed in promoter regions were investigated. This work can provide a better understanding of the molecular evolution and biological function of PMEIs in B. campestris.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Liu T,Yu H,Xiong X,Yue X,Yu Y,Huang L,Cao Jdoi
10.3390/ijms19051338subject
Has Abstractpub_date
2018-05-02 00:00:00issue
5issn
1422-0067pii
ijms19051338journal_volume
19pub_type
杂志文章abstract：:Ethanol is well known as a teratogenic factor that is capable of inducing a wide range of developmental abnormalities if the developing fetus is exposed to it. Duration and dose are the critical parameters of exposure that affect teratogenic variation to the developing fetus. It is suggested that ethanol interferes wi...
journal_title：International journal of molecular sciences
pub_type： 杂志文章,评审
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更新日期：2016-06-30 00:00:00
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更新日期：2018-11-30 00:00:00
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更新日期：2011-01-01 00:00:00
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更新日期：2016-02-17 00:00:00
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更新日期：2014-07-25 00:00:00
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