Journal
PHARMACEUTICALS
Volume 7, Issue 8, Pages 866-880Publisher
MDPI
DOI: 10.3390/ph7080866
Keywords
peptide antibiotic; gene duplication; exon-intron structure; cysteine-stabilized alpha-helical and beta-sheet motif
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Funding
- National Basic Research Program of China [2010CB945300]
- National Natural Science Foundation of China [31221091]
- State Key Laboratory of Integrated Management of Pest Insects and Rodents [ChineseIPM1307]
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Fungi are an emerging source of peptide antibiotics. With the availability of a large number of model fungal genome sequences, we can expect that more and more fungal defensin-like peptides (fDLPs) will be discovered by sequence similarity search. Here, we report a total of 69 new fDLPs encoded by 63 genes, in which a group of fDLPs derived from dermatophytes are defined as a new family (fDEF8) according to sequence and phylogenetic analyses. In the oleaginous fungus Mortierella alpine, fDLPs have undergone extensive gene expansion. Our work further enlarges the fungal defensin family and will help characterize new peptide antibiotics with therapeutic potential.
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