|本期目录/Table of Contents|

[1]柳燕杰,田旭平,李倩.美国红梣叶绿体基因组密码子偏好性分析[J].江苏农业科学,2020,48(15):83-88.
 Liu Yanjie,et al.Analysis of codon bias in chloroplast genome of Fraxinus pennsylvanica[J].Jiangsu Agricultural Sciences,2020,48(15):83-88.
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美国红梣叶绿体基因组密码子偏好性分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第48卷
期数:
2020年第15期
页码:
83-88
栏目:
生物技术
出版日期:
2020-08-05

文章信息/Info

Title:
Analysis of codon bias in chloroplast genome of Fraxinus pennsylvanica
作者:
柳燕杰田旭平李倩
山西农业大学林学院,山西太谷 030801
Author(s):
Liu Yanjieet al
关键词:
美国红梣叶绿体基因组密码子偏好性选择
Keywords:
-
分类号:
S718.43
DOI:
-
文献标志码:
A
摘要:
为了提高基因的表达效率,利用叶绿体基因工程提高美国红梣的重要特性,利用Codon W 1.4.2和在线软件CUSP分析了美国红梣叶绿体基因组中的52条基因编码序列密码子偏好性。结果表明,美国红梣叶绿体基因组密码子的GC含量依次为GC1(45.23%)>GC2(39.23%)>GC3(26.19%);有效密码子数(ENC)范围为37.55~55.28,其中ENC值>45的有34个;RSCU>1的密码子有29个,其中14个以U结尾、12个以A结尾,表明其偏好以A、U结尾,且偏倚很弱。中性点图分析表明,GC12与GC3的相关系数为0.321 7,回归系数为-0.538 5,相关性不显著;美国红梣叶绿体基因组的GC含量是高度保守的,密码子偏好主要受环境选择的影响;17个密码子被确定最优密码子。本研究为美国红梣叶绿体遗传工程和遗传多样性分析提供了科学依据。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2020-02-17
基金项目:山西农业大学动植物育种基金(编号:2019yz004)。
作者简介:柳燕杰(1995—),男,山西吕梁人,硕士研究生,主要从事园林植物与观赏园艺。
通信作者:田旭平,副教授,研究生导师,主要从事园林植物与景观设计。E-mail:txp8638@sina.com。
更新日期/Last Update: 2020-08-05