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杨树部分基因起始密码子AUG侧翼序列特征分析

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2008年05期
Page:
61-64
Column:
研究论文
publishdate:
2008-09-30

Article Info:/Info

Title:
Characteristic analysis of AUG context in poplar genes
Article ID:
1000-2006(2008)05-0061-04
Author(s):
SHAN Wen-juan1 ZHOU Meng12 WEI Wei1 TONG Chun-fa1 SHI Ji-sen1*
1. Nanjiag Forestry University, The Key Laboratory. of Forest Genetics and Gene Engineering of the State Administration and Jiangsu Province, Nanjing 210037, China; 2. Department of Bioinformatics Harbin Medical University, Harbin 150086, China
Keywords:
Poplar A U G context Conservation Correlation AUG CAI
Classification number :
Q811
DOI:
10.3969/j.jssn.1000-2006.2008.05.012
Document Code:
A
Abstract:
Characteristics of AUG context (from-20to+6bp relative to the initiator AUG codon) were analyzed in 297genes of Poplar. The conservation and correlation of the initiator AUG context between high expressed genes and low expressed genes were compared. Results showed that there were strong preference for A at six positions (-1,-2,-3,-4,-5and-6) and G at+4position. The conservation of AUG context in high expressed genes was shown to be different from that of low expressed genes. The positions of-6,-3and+4were possibly related with the feature of high expression. The correlation in some special AUG context sections was possibly related with translation efficiency. The effect of the content of GC of AUG context on AUG CAI in low expressed genes was discussed. It was seen thai there was more effectiveness of higher GC content on translation initiation efficiency in low expressed genes. The analysis was done to know the characteristics of AUG context and the relationship of gene expression in Poplar.

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Last Update: 2013-05-20