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Title: Genus-Wide Comparative Genome Analyses of Colletotrichum Species Reveal Specific Gene Family Losses and Gains during Adaptation to Specific Infection Lifestyles.
Authors: Gan, Pamela
Narusaka, Mari
Kumakura, Naoyoshi
Tsushima, Ayako
Takano, Yoshitaka  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0003-1427-1322 (unconfirmed)
Narusaka, Yoshihiro
Shirasu, Ken
Author's alias: 髙野, 義孝
Keywords: comparative genomics
evolutionary biology
genome assembly
Colletotrichum
hemibiotrophic fungi
plant pathogen
Issue Date: May-2016
Publisher: Oxford University Press (OUP)
Journal title: Genome biology and evolution
Volume: 8
Issue: 5
Start page: 1467
End page: 1481
Abstract: Members from Colletotrichum genus adopt a diverse range of lifestyles during infection of plants and represent a group of agriculturally devastating pathogens. In this study, we present the draft genome of Colletotrichum incanum from the spaethianum clade of Colletotrichum and the comparative analyses with five other Colletotrichum species from distinct lineages. We show that the C. incanum strain, originally isolated from Japanese daikon radish, is able to infect both eudicot plants, such as certain ecotypes of the eudicot Arabidopsis, and monocot plants, such as lily. Being closely related to Colletotrichum species both in the graminicola clade, whose members are restricted strictly to monocot hosts, and to the destructivum clade, whose members are mostly associated with dicot infections, C. incanum provides an interesting model system for comparative genomics to study how fungal pathogens adapt to monocot and dicot hosts. Genus-wide comparative genome analyses reveal that Colletotrichum species have tailored profiles of their carbohydrate-degrading enzymes according to their infection lifestyles. In addition, we show evidence that positive selection acting on secreted and nuclear localized proteins that are highly conserved may be important in adaptation to specific hosts or ecological niches.
Rights: © The Author 2016. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com
URI: http://hdl.handle.net/2433/250025
DOI(Published Version): 10.1093/gbe/evw089
PubMed ID: 27189990
Appears in Collections:Journal Articles

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