[1]张梓扬,陈德星,李文卉,等.金花茶YABBY基因家族鉴定及功能分析[J].北方园艺,2025,(17):1-9.[doi:10.11937/bfyy.20250828]
　ZHANG Ziyang,CHEN Dexing,LI Wenhui,et al.Identification and Functional Analysis of the YABBY Gene Family in Camellia nitidissima[J].Northern Horticulture,2025,(17):1-9.[doi:10.11937/bfyy.20250828]
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金花茶YABBY基因家族鉴定及功能分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2025年17 页码: 1-9 栏目: 出版日期: 2025-09-15
Title:
Identification and Functional Analysis of the YABBY Gene Family in Camellia nitidissima
文章编号:
1001-0009(2025)17-0001-09
作者:
张梓扬1; 陈德星1; 李文卉1; 林宇清1; 孙维红2; 邹双全1
（1.福建农林大学 林学院，自然生物资源保育利用福建省高校工程中心，福建 福州 350002;2.福州外语外贸学院 大数据学院，福建 福州 350202）
Author(s):
ZHANG Ziyang1; CHEN Dexing1; LI Wenhui1; LIN Yuqing1; SUN Weihong2; ZOU Shuangquan1
(1.College of Forestry，Fujian Agriculture and Forestry University/Engineering Research Center of Natural Biological Resources Conservation & Utilization of Fujian Province，Fuzhou，Fujian 350002；2.School of Big Data，Fuzhou University of Foreign Languages and Trade，Fuzhou，Fujian 350202)
关键词:
YABBY基因家族; 金花茶; 生物信息学; 花器官
Keywords:
YABBY gene family; Camellia nitidissima; bioinformatics; floral organ
分类号:
S 685.14
DOI:
10.11937/bfyy.20250828
文献标志码:
A
摘要:
以金花茶为试材，采用生物信息学方法，研究了YABBY基因家族的全基因组鉴定及功能分析，以期为金花茶资源开发及花器官发育分子机制研究提供参考依据。结果表明：在金花茶基因组中共鉴定出9个YABBY基因（CnYABBY1~CnYABBY9），可分为4个亚家族，分布于7条染色体上，成员间序列保守，且均预测定位于细胞核。启动子顺式作用元件分析显示，光响应元件最为丰富，暗示其可能参与调控光合作用；此外还富含脱落酸、厌氧及茉莉酸甲酯等响应元件。不同花期表达量表明，除CnYABBY3和CnYABBY5外，其他成员均在花发育不同时期的花器官中表达。其中，CnYABBY1在雌蕊发育中持续高表达，并在萼片发育早期（Ⅰ、Ⅱ期）显著高表达，提示其可能是调控雌蕊发育及萼片形态建成的关键基因。综上所述，金花茶YABBY基因家族在光合作用及花器官（尤其雌蕊与萼片）发育中发挥重要作用，CnYABBY1是其中的关键调控因子。
Abstract:
Taking Camellia nitidissima as experimental material，this study employed bioinformatics methods to conduct a genome-wide identification and functional analysis of the YABBY gene family，in order to provide reference for the development of Camellia nitidissima resources and the research on the molecular mechanism of floral organ development.The results showed that nine YABBY genes (CnYABBY1-CnYABBY9) were identified in the Camellia nitidissima genome，classified into four subfamilies and distributed across seven chromosomes.The members exhibited conserved sequences and were all predicted to be localized in the nucleus.Promoter cis-acting element analysis revealed that light-responsive elements were the most abundant，suggesting potential involvement in photosynthesis regulation；moreover，elements responsive to abscisic acid，anaerobic conditions，and methyl jasmonate were also enriched.Expression analysis across different flowering stages indicated that，except for CnYABBY3 and CnYABBY5，all other members were expressed in floral organs at various developmental stages.Notably，CnYABBY1 was persistently highly expressed during pistil development and significantly highly expressed in the early stages (stages Ⅰ and Ⅱ) of sepal development，indicating its potential role as a key regulatory gene in pistil development and sepal morphogenesis.In conclusion，the YABBY gene family in Camellia nitidissima plays crucial roles in photosynthesis and floral organ (particularly pistil and sepal) development，with CnYABBY1 being a key regulatory factor.

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备注/Memo

第一作者简介：张梓扬 (2002-)，男，硕士研究生，研究方向为药用植物栽培与利用。E-mail：1578464928@qq.com.责任作者：邹双全(1963-)，男，本科，研究员，博士生导师，现主要从事森林培育和观赏药用植物等研究工作。E-mail：zou@fafu.edu.cn.基金项目：福建省自然科学基金资助项目（2023J05216）。收稿日期：2025-03-08

更新日期/Last Update: 2025-09-29