亚热带植物科学2025，Vol.54Issue(1)：1-10,10.DOI:10.3969/j.issn.1009-7791.2025.01.001
蕈树KNOX基因家族鉴定及组织表达分析
Genome-wide Identification and Tissue Expression Analysis of the KNOX Gene Family in Altingia chinensis
摘要
Abstract
The KNOX gene family has important regulatory functions in leaf-shape growth and development in plants.This paper aims to analyze the KNOX gene family of Altingia chinensis and explore its tissue expression pattern.We used bioinformatics methods to identify and study AcKNOXs at the whole genome level of A.chinensis,and analyzed the gene location,gene structure,phyloevolutionary relationships,gene collinearity and the transcriptome expression.We identified 11 AcKNOXs from 8 chromosomes in the A.chinensis genome.Among them,AcKNOX6 and AcKNOX9 lack ELK and Homeobox KN domains,AcKNOX7 lacks ELK domain,the others have four conserved domains:KNOX 1,KNOX 2,ELK and Homeobox KN.The AcKNOXs are classified into Class Ⅰ(AcKNOX1,AcKNOX2,AcKNOX5,AcKNOX8,AcKNOX10,AcKNOX11),Class Ⅱ(AcKNOX3,AcKNOX4,AcKNOX7)and Class M(AcKNOX6,AcKNOX9).The AcKNOXs protein contains 144 to 444 amino acids.They were all located in the nucleus,and were all acidic,unstable and hydrophilic.Through the expression pattern analysis,we found that AcKNOXs genes have tissue specificity.The majority of the members of the same subfamily showed the similar expression pattern.The main amplification mode of 11 AcKNOXs were segmental duplication,no tandem repeats were found.There were four pairs of genes with collinearity,AcKNOX3/AcKNOX4,KNOX2/AcKNOX8,AcKNOX6/AcKNOX9,and AcKNOX5/AcKNOX10,respectively.The results of this research provide the study of KNOX gene family with scientific basis,which help to do in-depth study on the genomic characteristics.关键词
蕈树/KNOX基因家族/生物信息学/系统发育分析/表达分析Key words
Altingia chinensis/KNOX gene family/bioinformatics/issue expression分类
林学引用本文复制引用
王安邦,叶兴状,赵金涛,陈志云,翁慧莹,林茂,张国防..蕈树KNOX基因家族鉴定及组织表达分析[J].亚热带植物科学,2025,54(1):1-10,10.基金项目
福建农林大学林学学科创新团队支持计划(72202200205) （72202200205）
福建省林业科研项目(2023FKJ05) （2023FKJ05）
