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A 细胞染色体C氧化酶I条形码距离值用于害虫果 (Tephritidae) 的属级识别

Camiel Doorenweerd¹, Norman B Barr²

¹Entomology Section, Department of Plant and Environmental Protection Sciences, College of Tropical Agriculture and Human Resources, University of Hawai'i at Mānoa, Honolulu, HI, USA.

Journal of economic entomology

|December 11, 2025

概括

使用细胞染色体C氧化酶I (COI) 基因进行DNA条形编码,可靠地识别害虫果属. 在COI序列中的5%对距离值有助于在物种级别识别具有挑战性时进行害虫管理.

科学领域:

昆虫学昆虫学是一门学科.
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

准确的虫害识别对于有效的虫害管理至关重要.
形态识别的局限性需要分子方法,如DNA条形码.
以前的DNA条形码研究集中在物种级别的识别上,使得基因级别的表现不那么被探索.

研究的目的:

为了评估DNA条形码的有效性,用于基因层面识别tephritid果.
为了建立一个可靠的门,以基因层面的鉴定使用细胞染色体C氧化酶I (COI) 序列.
探索COI基因对害虫管理策略的有用性.

主要方法:

数据挖掘来自12个tephritid果属的6,582个已公布的COI序列.
过序列以获得3077个独特的单元型 (400-658个单元型).
进行对距离和基于树的分析来识别属.

主要成果:

5%的对距离值可靠地区分了tephritid果中的属.
这一门可以使用像BLAST这样的标准工具来实现.
COI条形码区域的3'端显示出比5'端更大的基因间差异.

结论:

COI地区的DNA条形码是识别果害虫的宝贵工具.
已建立的5%距离门为害虫管理提供了一种实际的方法.
这些发现支持将COI条形码纳入常规的害虫防治方案.

关键词:

亚纳斯特里法 (Anastrepha) 是一种巴克特罗塞拉 (Bactrocera) 是一种植物.膜炎是一种膜炎.拉戈莱提斯 (Rhagoletis) 是一种分子识别分子识别

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