期刊
G3-GENES GENOMES GENETICS
卷 12, 期 4, 页码 -出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/g3journal/jkac038
关键词
Curculionidae; Pissodes strobi; spruce weevil; forest pest; genome size; transposable elements; Wolbachia; endosymbiont
资金
- Canadian Foundation for Innovation
- Canada's Genomic Enterprise (CGEn) CanSeq150 program
- Genomics Research and Development Initiative (GRDI) grant from the Government of Canada
The true weevil family Curculionidae includes many agricultural and forest pests, with the white pine weevil a major pest in North American spruce and pine forests. Research has identified a substantial expansion of the weevil nuclear genome and observed an endosymbiont belonging to a parasitic group of Wolbachia species. These findings provide insights into the genetic characteristics and symbiotic relationships within this insect species.
The highly diverse insect family of true weevils, Curculionidae, includes many agricultural and forest pests. Pissodes strobi, commonly known as the spruce weevil or white pine weevil, is a major pest of spruce and pine forests in North America. Pissodes strobi larvae feed on the apical shoots of young trees, causing stunted growth and can destroy regenerating spruce or pine forests. Here, we describe the nuclear and mitochondrial Pissodes strobi genomes and their annotations, as well as the genome of an apparent Wolbachia endosymbiont. We report a substantial expansion of the weevil nuclear genome, relative to other Curculionidae species, possibly driven by an abundance of class II DNA transposons. The endosymbiont observed belongs to a group (supergroup A) of Wolbachia species that generally form parasitic relationships with their arthropod host.
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