Bacterial comparative genomic hybridization: a method for directly identifying lateral gene transfer.

Abstract:

:Horizontally transferred DNA is largely responsible for the dissemination of virulence traits amongst bacteria. Rapid identification of acquired DNA remains difficult as whole-genome sequencing of outbreak strains is impractical, and microarray-based approaches, while powerful, are limited to genes present only in the reference strains. Here we present a novel bacterial comparative genomic hybridization method that directly compares the genomes of related strains at sub-kilobase resolution in order to identify acquired DNA. Bacterial comparative genomic hybridization utilizes the concept of metaphase chromosome comparative genomic hybridization, and exploits the resolving power of two-dimensional DNA electrophoresis. Comparison of isogenic variants of the pathogen Pseudomonas aeruginosa detected a single-copy gene insertion responsible for gentamicin resistance.

journal_name

J Mol Biol

authors

Malloff CA,Fernandez RC,Lam WL

doi

10.1006/jmbi.2001.4925

keywords:

subject

Has Abstract

pub_date

2001-09-07 00:00:00

pages

1-5

issue

1

eissn

0022-2836

issn

1089-8638

pii

S0022-2836(01)94925-3

journal_volume

312

pub_type

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