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Linkage mapping and genome annotation give novel insights into gene family expansions and regional recombination rate variation in the painted lady (Vanessa cardui) butterfly
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- Shipilina, Daria (author)
- Uppsala universitet,Evolutionsbiologi,Kollegiet för avancerade studier (SCAS)
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- Näsvall, Karin (author)
- Uppsala universitet,Evolutionsbiologi
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- Höök, Lars (author)
- Uppsala universitet,Evolutionsbiologi
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- (creator_code:org_t)
- Elsevier, 2022
- 2022
- English.
- In: Genomics. - : Elsevier. - 0888-7543 .- 1089-8646. ; 114:6
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Characterization of gene family expansions and crossing over is crucial for understanding how organisms adapt to the environment. Here, we develop a high-density linkage map and detailed genome annotation of the painted lady butterfly (Vanessa cardui) -a non-diapausing, highly polyphagous species famous for its long-distance migratory behavior and almost cosmopolitan distribution. Our results reveal a complex interplay between regional recombination rate variation, gene duplications and transposable element activity shaping the genome structure of the painted lady. We identify several lineage specific gene family expansions. Their functions are mainly associated with protein and fat metabolism, detoxification, and defense against infection -critical pro-cesses for the painted lady's unique life-history. Furthermore, the detailed recombination maps allow us to characterize the regional recombination landscape, data that reveal a strong effect of chromosome size on the recombination rate, a limited impact of GC-biased gene conversion and a positive association between recom-bination and short interspersed elements.
Subject headings
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- Genomics
- Recombination
- Linkage map
- Gene family
- Painted lady
- Lepidoptera
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Höök, Lars
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