中国组织工程研究 ›› 2021, Vol. 25 ›› Issue (8): 1243-1248.doi: 10.3969/j.issn.2095-4344.2348

• 组织构建实验造模 experimental modeling in tissue construction • 上一篇    下一篇

成骨细胞特异因子2基因家族的全基因组鉴定、分类及进化分析

谭婧玉,刘海文   

  1. 锦州医科大学附属第一医院,辽宁省锦州市  121001
  • 收稿日期:2020-03-09 修回日期:2020-03-26 接受日期:2020-04-16 出版日期:2021-03-18 发布日期:2020-12-14
  • 通讯作者: 刘海文,博士,副研究员。锦州医科大学附属第一医院,辽宁省锦州市 121001
  • 作者简介:谭婧玉,女,1990年生,吉林省人,汉族,2016年锦州医科大学毕业,硕士,医师。
  • 基金资助:
    辽宁省自然科学基金资助项目(2019JH8/10300032)

Genome-wide identification, classification and phylogenetic analysis of Fasciclin gene family for osteoblast specific factor 2

Tan Jingyu,  Liu Haiwen#br#   

  1. The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, Liaoning Province,  China
  • Received:2020-03-09 Revised:2020-03-26 Accepted:2020-04-16 Online:2021-03-18 Published:2020-12-14
  • Contact: Liu Haiwen, MD, Associate research fellow, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, Liaoning Province, China
  • About author:Tan Jingyu, Master, Physician, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121001, Liaoning Province, China
  • Supported by:
    the Natural Science Foundation of Liaoning Province, No. 2019JH8/10300032

摘要:

文题释义:
成骨细胞特异性因子2:即Periostin,是由成骨细胞及其前体细胞分泌产生的一种细胞外基质蛋白,参与细胞外基质的重建,对基质蓄积、细胞基质相互作用及纤维化进行调节,具有促进细胞黏附及细胞迁移等功能。
保守结构域:是指在生物进化中一个蛋白家族中具有不变或相同的结构域,具有重要的功能,不能被改变。结构域是蛋白质中由不同二级结构和超二级结构组合而成的独立的稳定结构区域,是蛋白质功能单元。

背景:目前,Fasciclin基因家族的保守结构、蛋白特性、系统发育关系尚无系统的研究。
目的:探讨成骨细胞特异因子基因家族的进化历史,对成骨细胞特异因子基因家族的保守结构、蛋白特性、系统发育关系进行系统的比较分析。
方法:实验基于已公布的人、黑猩猩、斑马鱼等8个物种的基因组数据,依据HMMER软件构建成骨细胞特异因子基因家族的HMM模型,分析了其基因结构、结构域特征、生化特征、进化关系和表达特性。
结果与结论:①在鱼类(斑马鱼)、两栖类(非洲爪蟾)、鸟类(鸡)、爬行类(中华鳖)、哺乳类(大鼠和小鼠)和灵长类(黑猩猩和人)等8个物种中,各检索出5,5,4,5,5,4,4,4个成骨细胞特异因子候选基因;②通过对成骨细胞特异因子基因在8个物种中的系统发育分析,发现成骨细胞特异因子基因家族整个进化树可以分为4个进化分支,其中2个进化分支的基因具有更强的保守性,可能是主要的成骨细胞特异因子;其中一个分支则可能是两栖类、哺乳类和灵长类特有的成骨细胞特异因子;另外一个分支也具有较好的保守性,但是非洲爪蟾和小鼠在该进化分支中有2个拷贝基因,这个进化分支可能对这两类物种起着重要的作用;③上述数据说明,在物种进化过程中,该家族基因并没有发生较大变化,这类基因可能是重要的生长发育相关基因,推测这类基因的缺失可能会导致个体的死亡或导致物种的灭绝。

https://orcid.org/0000-0002-0556-7837 (谭婧玉) 
中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程

关键词: 骨, 动物, 实验, 基因, 基因组, 细胞, 结构, 蛋白

Abstract: BACKGROUND: There is no systematical report on the conserved structure, protein characteristics and phylogenetic relationship of the Fasciclin gene family. 
OBJECTIVE: To investigate the evolutionary history of the Fasciclin gene family, and to systematically analyze the conservative structure, protein characteristics, and phylogenetic relationships of this gene family
METHODS: Based on the published genome data of eight species such as people, chimpanzee and zebrafish, HMM models were established using the HMMER software to analyze the characteristics and genetic structure, structure domain and biochemical characteristics, evolutionary relationships and expression characteristics of the Fasciclin gene family. 
RESULTS AND CONCLUSION: In the eight species of fish (zebrafish), amphibian (xenopus), bird (chicken), reptile (Trionyx sinensis), mammal (rat, mouse) and primate (chimpanzee, human), 5, 5, 4, 5, 5, 4, 4, and 4 fasciclin candidate genes were retrieved respectively. Through the phylogenetic analysis of the fasciclin gene in these eight species, the evolutionary tree of fasciclin gene families can be divided into four evolution branch. The two branches of all are more conservative, likely to be the main osteoblast specific factor; the third branch may be osteoblast specific factor of amphibians, mammals and primate; and the final branch also has a good conservative, but the Xenopus and mouse in the branch has two copies of the genes, and this branch may play an important role in the evolution of these two species. Overall, in the evolution of species, the gene family has no larger changes, and such genes may be important for the growth and development. The lack of such genes may lead to the death of the individual or the extinction of species.

Key words: bone, animal, experiment, gene, genome, cell, structure, protein

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