Genome Analysis of a Zygomycete Fungus Choanephora cucurbitarum Elucidates Necrotrophic Features Including Bacterial Genes Related to Plant Colonization

A zygomycete fungus, Choanephora cucurbitarum is a plant pathogen that causes blossom rot in cucurbits and other plants. Here we report the genome sequence of Choanephora cucurbitarum KUS-F28377 isolated from squash. The assembled genome has a size of 29.1 Mbp and 11,977 protein-coding genes. The ge...

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Bibliographic Details
Published in:Scientific reports 2017-01, Vol.7 (1), p.40432-40432, Article 40432
Main Authors: Min, Byoungnam, Park, Ji-Hyun, Park, Hongjae, Shin, Hyeon-Dong, Choi, In-Geol
Format: Article
Language:English
Subjects:
631/208/212
631/208/212/748
Amino Acid Sequence
Biosynthesis
Choanephora cucurbitarum
Colonization
Colony Count, Microbial
Esterase
Fungal Proteins - chemistry
Fungal Proteins - genetics
Fungi - enzymology
Fungi - genetics
Genes, Bacterial
Genes, Fungal
Genome, Fungal
Genomes
Host-Pathogen Interactions - genetics
Humanities and Social Sciences
Molecular Sequence Annotation
multidisciplinary
Nucleotide sequence
Pathogens
Phylogeny
Plant Diseases - microbiology
Plant immunity
Protein Domains
Rot
Science
Science (multidisciplinary)
Sequence Alignment
Subtilisin
Virulence - genetics
β-Carotene
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Summary:A zygomycete fungus, Choanephora cucurbitarum is a plant pathogen that causes blossom rot in cucurbits and other plants. Here we report the genome sequence of Choanephora cucurbitarum KUS-F28377 isolated from squash. The assembled genome has a size of 29.1 Mbp and 11,977 protein-coding genes. The genome analysis indicated that C. cucurbitarum may employ a plant pathogenic mechanism similar to that of bacterial plant pathogens. The genome contained 11 genes with a Streptomyces subtilisin inhibitor-like domain, which plays an important role in the defense against plant immunity. This domain has been found only in bacterial genomes. Carbohydrate active enzyme analysis detected 312 CAZymes in this genome where carbohydrate esterase family 6, rarely found in dikaryotic fungal genomes, was comparatively enriched. The comparative genome analysis showed that the genes related to sexual communication such as the biosynthesis of β-carotene and trisporic acid were conserved and diverged during the evolution of zygomycete genomes. Overall, these findings will help us to understand how zygomycetes are associated with plants.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep40432