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The genome of cowpea(Vigna unguiculata[L.] Walp.) Stefano LonardiMaría Muñoz‐AmatriaínQihua Liang2019 год

The genome of cowpea (Vigna unguiculata [L.] Walp.)
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Аннотация: Summary Cowpea ( Vigna unguiculata [L.] Walp.) is a major crop for worldwide food and nutritional security, especially in sub‐Saharan Africa, that is resilient to hot and drought‐prone environments. An assembly of the single‐haplotype inbred genome of cowpea IT97K‐499‐35 was developed by exploiting the synergies between single‐molecule real‐time sequencing, optical and genetic mapping, and an assembly reconciliation algorithm. A total of 519 Mb is included in the assembled sequences. Nearly half of the assembled sequence is composed of repetitive elements, which are enriched within recombination‐poor pericentromeric regions. A comparative analysis of these elements suggests that genome size differences between Vigna species are mainly attributable to changes in the amount of Gypsy retrotransposons. Conversely, genes are more abundant in more distal, high‐recombination regions of the chromosomes; there appears to be more duplication of genes within the NBS‐LRR and the SAUR‐like auxin superfamilies compared with other warm‐season legumes that have been sequenced. A surprising outcome is the identification of an inversion of 4.2 Mb among landraces and cultivars, which includes a gene that has been associated in other plants with interactions with the parasitic weed Striga gesnerioides . The genome sequence facilitated the identification of a putative syntelog for multiple organ gigantism in legumes. A revised numbering system has been adopted for cowpea chromosomes based on synteny with common bean ( Phaseolus vulgaris ). An estimate of nuclear genome size of 640.6 Mbp based on cytometry is presented.
Год издания: 2019
Авторы: Stefano Lonardi, María Muñoz‐Amatriaín, Qihua Liang, Shengqiang Shu, Steve Wanamaker, Sassoum Lo, Jaakko Tanskanen, Alan H. Schulman, Tingting Zhu, Ming‐Cheng Luo, Hind Alhakami, Rachid Ounit, Abid Hasan, Jérôme Verdier, Philip A. Roberts, Jansen Rodrigo Pereira Santos, Arsenio Ndeve, Jaroslav Doležel, Jan Vrána, S. Hokin, Andrew Farmer, Steven B. Cannon, Timothy J. Close
Издательство: Wiley
Источник: The Plant Journal
Ключевые слова: Agricultural pest management studies, Legume Nitrogen Fixing Symbiosis, Genetic and Environmental Crop Studies
Другие ссылки: The Plant Journal (PDF)
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OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (HTML)
HAL (Le Centre pour la Communication Scientifique Directe) (HTML)
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Buleria (Universidad de León) (PDF)
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Jukuri (Luonnonvarakeskus Tietopalvelu) (PDF)
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