DNA barcoding and host blood meal identification of Culicoides Latreille (Diptera, Ceratopogonidae) from Malaysia

被引：0

作者：

Ya'cob, Zubaidah ^{[1
]}

Mintara, Ronnalit ^{[2
]}

Belabut, Daicus M. ^{[3
]}

Halim, Muhammed Rasul Abdullah ^{[3
]}

Pramual, Pairot ^{[2
,4
]}

机构：

[1] Univ Malaya, Higher Inst Ctr Excellence HICoE, Trop Infect Dis Res & Educ Ctr TIDREC, Kuala Lumpur 50603, Malaysia

[2] Mahasarakham Univ, Fac Sci, Dept Biol, Maha Sarakham 44150, Thailand

[3] Univ Malaya, Inst Biol Sci, Fac Sci, Kuala Lumpur 50603, Malaysia

[4] Mahasarakham Univ, Ctr Excellence Biodivers Res, Maha Sarakham 44150, Thailand

来源：

ACTA TROPICA | 2025年 / 263卷

关键词：

DNA barcode; Insect vector; Genetic diversity; Biting midge; BITING MIDGES; IQ-TREE; TAXONOMY; AMPLIFICATION; BLUETONGUE; TOOL;

D O I：

10.1016/j.actatropica.2025.107564

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

Mitochondrial cytochrome oxidase I (COI) sequences were used to determine the genetic diversity and species identification efficacy of Culicoides from Malaysia. In total, 100 COI sequences were obtained from 13 morphologically identified species. Intraspecific genetic divergence varied from 0.48 % in C. parahumeralis to 14.88 % in C. palpifer. However, most (8 of 13) had low (<3 %) intraspecific genetic divergence. Identification of these species based on best match (BM) and best close match (BCM) methods revealed a high efficiency of the COI sequences with 100 % and 99 % success for BM and BCM, respectively. Identification in the BOLD database revealed that 10 species were successfully determined and agreed with morphological identifications. There remained three taxa which were ambiguous (C. jacobsoni) or had no species level identity match (C. palpifer and C. flavescens). Phylogenetic analyses found that all Malaysian specimens were clustered with conspecifics except C. palpifer. Specimens of this taxon separated into two divergent clades, one with members of a BIN (BOLD: ADT9601) of C. palpifer whereas the other formed a novel genetic lineage. Molecular species delimitation identified the morphologically identified species of the Malaysian Culicoides in the respective species. The exceptions were two divergent lineages found in C. palpifer because they were treated as two different taxa. Molecular identification of the host blood meal source revealed that all were from water buffalo (Bubalus bubalis).

引用

页数：11

共 39 条

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