河南农业科学 ›› 2024, Vol. 53 ›› Issue (1): 70-77.DOI: 10.15933/j.cnki.1004-3268.2024.01.008

• 作物栽培·遗传育种 • 上一篇    下一篇

鸡矢藤叶绿体基因组分析

吴民华1,吴子健2,叶晓霞1,谭靖怡3,王燊3,黄琼林1   

  1. (1.广东医科大学 基础医学院,广东 湛江 524023;2.广东医科大学 第一临床医学院,广东 湛江 524023;3.广东医科大学 药学院,广东 湛江 524023)
  • 收稿日期:2023-06-28 出版日期:2024-01-15 发布日期:2024-02-21
  • 通讯作者: 黄琼林(1986-),男,广东湛江人,副教授,主要从事医学生物化学研究。E-mail:perfecthql@163.com
  • 作者简介:吴民华(1981-),男,广东湛江人,副教授,主要从事中药分子药理学研究。E-mail:wugdmczp@gdmu.edu.cn
  • 基金资助:
    广东省基础与应用基础研究基金项目(2018A030310116);广东省大学生创新创业训练计划项目(S202310571113);广东医
    科大学大学生创新创业训练计划项目(GDMU2022113,GDMU2023224)

Analysis on Chloroplast Genome of Paederia scandens

WU Minhua1,WU Zijian2,YE Xiaoxia1,TAN Jingyi3,WANG Shen3,HUANG Qionglin1   

  1. (1.School of Basic Medicine,Guangdong Medical University,Zhanjiang 524023,China;2.The First Clinic Medical College,Guangdong Medical University,Zhanjiang 524023,China;3.School of Pharmacy,Guangdong Medical University,Zhanjiang 524023,China)
  • Received:2023-06-28 Published:2024-01-15 Online:2024-02-21

摘要: 为了阐明岭南特色药用植物鸡矢藤的叶绿体基因组序列特征,采用高通量测序技术开展鸡血藤叶绿体基因组测序,再借助生物信息学方法对测得序列进行拼接、注释和比对分析。结果表明,鸡矢藤叶绿体基因组为153 456 bp的环状双链四分体结构,共编码133个基因。在鸡矢藤叶绿体基因组中发现54个简单重复序列,其中A/T单核苷酸重复最多,占比61.1%;共找到26 983个密码子,第3位碱基是A/T的密码子具有更高的使用频次。序列比对分析显示,鸡矢藤等5种茜草科植物在基因间隔区和内含子等非编码区域存在显著的碱基突变。系统进化树清晰地展现了鸡矢藤在茜草科内的进化位置,且不同来源的鸡矢藤序列同源性高。

关键词: 鸡矢藤, 叶绿体基因组, 序列特点, 序列比对, 系统进化分析

Abstract: To elucidate the structure and sequence characteristics of chloroplast genome from Paederia scandens,the chloroplast genome sequencing was performed using high‑throughput sequencing technology,and then acquired sequence was assembled,annotated and analyzed via bioinformatics procedures.The results demonstrated that the chloroplast genome of P.scandens was a circular quadripartite molecule with a length of 153 456 bp and encoded 133 genes.Altogether 54 simple sequence repeats were detected in the plastome and the A/T mononucleotide was main type.A total of 26 983 codons were searched out and those with end of A/T were frequently used.Sequence alignment demonstrated more divergence in non‑coding region among five Rubiaceae species including P.scandens.Phylogenetic tree revealed close relationship of various chloroplast genome sequences of P.scandens and clearly displayed the evolutionary position of P.scandens in Rubiaceae.

Key words: Paederia scandens, Chloroplast genome, Structure feature, Sequence alignment, Phylogenetic analysis

中图分类号: