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Genetic Relationships In The Toxin-Producing Fungal Endophyte, Alternaria Oxytropis Using Polyketide Synthase And Non-Ribosomal Peptide Synthase Genes, Rebecca Creamer, Deana Baucom Hille, Marwa Neyaz, Tesneem Nusayr, Christopher L. Schardl, Daniel Cook
Genetic Relationships In The Toxin-Producing Fungal Endophyte, Alternaria Oxytropis Using Polyketide Synthase And Non-Ribosomal Peptide Synthase Genes, Rebecca Creamer, Deana Baucom Hille, Marwa Neyaz, Tesneem Nusayr, Christopher L. Schardl, Daniel Cook
Plant Pathology Faculty Publications
The legume Oxytropis sericea hosts a fungal endophyte, Alternaria oxytropis, which produces secondary metabolites (SM), including the toxin swainsonine. Polyketide synthase (PKS) and non-ribosomal peptide synthase (NRPS) enzymes are associated with biosynthesis of fungal SM. To better understand the origins of the SM, an unannotated genome of A. oxytropis was assessed for protein sequences similar to known PKS and NRPS enzymes of fungi. Contigs exhibiting identity with known genes were analyzed at nucleotide and protein levels using available databases. Software were used to identify PKS and NRPS domains and predict identity and function. Confirmation of sequence for selected gene …