Rapid PCR amplification of minimal enediyne polyketide synthase cassettes leads to a predictive familial classification model

Wen Liu, Joachim Ahlert, Qunjie Gao, Evelyn Wendt-Pienkowski, Ben Shen, Jon S. Thorson

Research output: Contribution to journalArticlepeer-review

96 Scopus citations

Abstract

A universal PCR method for the rapid amplification of minimal enediyne polyketide synthase (PKS) genes and the application of this methodology to clone remaining prototypical genes from producers of structurally determined enediynes in both family types are presented. A phylogenetic analysis of the new pool of bona fide enediyne PKS genes, consisting of three from 9-membered producers (neocarzinostatin, C1027, and maduropeptin) and three from 10-membered producers (calicheamicin, dynemicin, and esperamicin), reveals a clear genotypic distinction between the two structural families from which to form a predictive model. The results from this study support the postulation that the minimal enediyne PKS helps define the structural divergence of the enediyne core and provides the key tools for generating enediyne hybrid genes/molecular scaffolds; by using the model, a classification is also provided for the unknown enediyne PKS genes previously identified via genome scanning.

Original languageEnglish
Pages (from-to)11959-11963
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume100
Issue number21
DOIs
StatePublished - Oct 14 2003

ASJC Scopus subject areas

  • General

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