Regions of Microsynteny in Magnaporthe grisea and Neurospora crassa

Authors: Hamer L.¹; Pan H.¹; Adachi K.¹; Orbach M.J.²; Page A.¹; Ramamurthy L.¹; Woessner J.P.¹

Source: Fungal Genetics and Biology, Volume 33, Number 2, July 2001 , pp. 137-143(7)

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Abstract:

A bacterial artificial chromosome (BAC) clone containing 110,467 bp of genomic DNA from Magnaporthe grisea was sequenced, annotated, and compared to the genomes of Neurospora crassa, Candida albicans, and Saccharomyces cerevisiae. Twenty-six open reading frames (ORFs), involved in multiple biochemical pathways, were identified in the BAC sequence. A region of 53 kb, containing 18 of the 26 ORFs, was found to be syntenic to a portion of the N. crassa genome. Subregions of complete colinearity as well as interrupted colinearity were present. No synteny was evident with either C. albicans or S. cerevisiae. The identification of syntenic regions containing highly conserved genes across two genera that have been evolutionarily separated for sim 200 million years elicits many biological questions as to the function and identity of these genes. Copyright 2001 Academic Press.

Keywords: Magnaporthe grisea; rice blast fungus; Neurospora crassa; microsynteny

Language: English

Document Type: Research article

Affiliations: 1: Paradigm Genetics, Inc., 108 Alexander Drive, Research Triangle Park, North Carolina, 27709 2: Department of Plant Pathology, University of Arizona, Tucson, Arizona, 85721

Publication date: 2001-07-01