Genome of tropical bed bug Cimex hemipterus (Cimicidae, Hemiptera) reveals tetraspanin expanded in bed bug ancestor

Cimex species are ectoparasites that exclusively feed on warm-blooded animals such as birds and mammals. Three cimicid species are known to be persistent pests for humans, including the tropical bed bug Cimex hemipterus, common bed bug Cimex lectularius, and Eastern bat bug Leptocimex boueti. To dat...

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Published in:Insect science 2024-06
Main Authors: Law, Sean Tsz Sum, Nong, Wenyan, Li, Chade, Chong, Tze Kiu, Yip, Ho Yin, Swale, Thomas, Chiu, Siu Wai, Chung, Roger Yat-Nork, Lam, Hon-Ming, Wong, Samuel Y S, Wong, Hung, Hui, Jerome H L
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container_title Insect science
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creator Law, Sean Tsz Sum
Nong, Wenyan
Li, Chade
Chong, Tze Kiu
Yip, Ho Yin
Swale, Thomas
Chiu, Siu Wai
Chung, Roger Yat-Nork
Lam, Hon-Ming
Wong, Samuel Y S
Wong, Hung
Hui, Jerome H L
description Cimex species are ectoparasites that exclusively feed on warm-blooded animals such as birds and mammals. Three cimicid species are known to be persistent pests for humans, including the tropical bed bug Cimex hemipterus, common bed bug Cimex lectularius, and Eastern bat bug Leptocimex boueti. To date, genomic information is restricted to the common bed bug C. lectularius, which limits understanding their biology and to provide controls of bed bug infestations. Here, a chromosomal-level genome assembly of C. hemipterus (495 Mb [megabase pairs]) contained on 16 pseudochromosomes (scaffold N50 = 34 Mb), together with 9 messenger RNA and small RNA transcriptomes were obtained. In comparison between hemipteran genomes, we found that the tetraspanin superfamily was expanded in the Cimex ancestor. This study provides the first genome assembly for the tropical bed bug C. hemipterus, and offers an unprecedented opportunity to address questions relating to bed bug infestations, as well as genomic evolution to hemipterans more widely.
doi_str_mv 10.1111/1744-7917.13388
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title Genome of tropical bed bug Cimex hemipterus (Cimicidae, Hemiptera) reveals tetraspanin expanded in bed bug ancestor
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