Abstract:
:Phenotypic variation can arise from differences in the protein coding sequence and in the regulatory elements. However, little is known about the contribution of regulatory difference to the expression divergence, especially the cis and trans regulatory variation to the expression divergence in intraspecific populations. In this study, we used two different yeast strains, BY4743 and RM11-1a/α, to study the regulatory variation to the expression divergence between BY and RM under oxidative stress condition. Our results indicated that the expression divergence of BY and RM is mainly due to trans regulatory variations under both normal and oxidative stress conditions. However, cis regulatory variation seems to play a very important role in oxidative stress response in yeast because 36% of genes showed an increase in cis regulatory variation effect compared with 13% of genes that showed an increase in trans regulatory variation effect after oxidative stress. Our data also indicated that genes located on the longer arm of the chromosomes are more susceptible to cis variation effect under oxidative stress than genes on the shorter arm of the chromosomes.
journal_name
J Evol Bioljournal_title
Journal of evolutionary biologyauthors
Huang YH,Hsieh DK,Sung HMdoi
10.1111/jeb.13584subject
Has Abstractpub_date
2020-01-09 00:00:00eissn
1010-061Xissn
1420-9101pub_type
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