Analysis on the preference for sequence matching between mRNA sequences and the corresponding introns in ribosomal protein genes
文献类型： 外文期刊
作者： Zhang, Qiang 1 ; Li, Hong 1 ; Zhao, Xiaoqing 2 ; Zheng, Yan 1 ; Meng, Hu 1 ; Jia, Yun 1 ; Xue, Hui 3 ; Bo, Sulin 1 ;
作者机构： 1.Inner Mongolia Univ, Sch Phys Sci & Technol, Lab Theoret Biophys, Hohhot 010021, Peoples R China
2.Inner Mongolia Acad Agr & Anim Husb Sci, Biotechnol Res Ctr, Hohhot 010021, Peoples R China
3.Inner Mongolia Univ, Sch Foreign Languages, Hohhot 010021, Peoples R China
关键词： Ribosomal protein genes;MRNA sequences;Introns;Local matched alignment;Optimal matched segments
期刊名称：JOURNAL OF THEORETICAL BIOLOGY （ 影响因子：2.691； 五年影响因子：2.374 ）
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收录情况： SCI
摘要： Introns after splicing still play an important role. Introns can accomplish gene expression and regulation by interaction with corresponding mRNA sequences. Based on the Smith-Waterman method, local comparing makes us get the optimal matched segments between intron sequences and mRNA sequences. Analyzing the distribution regulation of the optimal matching region on mRNA sequences of ribosomal protein genes about 27 species, we find a strong interaction between UTR region sequences and introns. There are a lot of the optimal matching regions and low matching ones, and the latter are supposed to be the combined regions of protein complexes. The optimal matching frequency distributions have obvious differences nearby the mRNA functional sites such as translation initiation and termination sites, exon-exon joints and EJC regions. This conclusion shows that intron sequences and mature mRNA sequences are co-evolved and interactive to play their functions. (C) 2015 Elsevier Ltd. All rights reserved.
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