Comparative BAC end sequence analysis of tomato and potato reveals overrepresentation of specific gene families in potato.

ABSTRACT:

Background

Tomato (Solanum lycopersicon) and potato (S. tuberosum) are two economically important crop species, the genomes of which are currently being sequenced. This study presents a first genome-wide analysis of these two species, based on two large collections of BAC end sequences representing approximately 19% of the tomato genome and 10% of the potato genome.

Results

The tomato genome has a higher repeat content than the potato genome, primarily due to a higher number of retrotransposon insertions in the tomato genome. On the other hand, simple sequence repeats are more abundant in potato than in tomato. The two genomes also differ in the frequency distribution of SSR motifs. Based on EST and protein alignments, potato appears to contain up to 6,400 more putative codi

SUBMITTER: Datema E 

PROVIDER: S-EPMC2324086 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature