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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
Pamela Gan; Mari Narusaka; Naoyoshi Kumakura; Ayako Tsushima; Yoshitaka Takano; Yoshihiro Narusaka; Ken Shirasu
- 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 fromthe 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, andmonocot 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. incanumprovides 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 positives election acting on secreted and nuclear localized proteins that arehighly conserved may be important in adaptation to specifichosts or ecological niches.
- Subjects
COLLETOTRICHUM; LINEAGE; GENOMICS; MOLECULAR genetics; ENZYMES; ARABIDOPSIS
- Publication
Genome Biology & Evolution, 2016, Vol 8, Issue 5, p1467
- ISSN
1759-6653
- Publication type
Article
- DOI
10.1093/gbe/evw089