Table 1

Summary of the orthologous adjacent genes in Saccharomyces sensu stricto species relative to the 5,702 gene pairs in S. cerevisiae.

Annotated ORFsa

Orthologous genes

Orthologous adjacent pairsb

Divergent pairse

Convergent pairse

Tandem pairse


S. cerevisiae

6310

5743

5702

1491

1474

2737

S. castellii

4681

3857

2053

528

604

921

S. bayanus

4970

4642

3975

1029

1051

1895

S. kudriavzevii

3778

3212

2376

637

647

1092

S. mikatae

3109

2435

1609

437

424

748

Stringently conserved pairs (ratio)c

94 (6.30%)

95 (6.45%)

156 (5.70%)

Loosely conserved pairs (ratio)d

942 (63.18%)

973 (66.01%)

1667 (60.91%)


aFor analysis, the annotated ORFs exclude dubious and silent ORFS as well as overlapping genes.

bThe orthologous adjacent pairs of the sensu stricto species are determined based on conservation of the orthologs as well as their adjacency relationship in S. cerevisiae.

cGene pairs with adjacency relationship preserved in all five species for the orthologous pairs.

dGene pairs with adjacency relationship preserved in any three species, or in S. castelli with at least one another yeast species used in this study.

eThe proportions of conservation for different adjacent patterns are similar to those for random sampling composition (p > 0.05, chi-square test).

Tsai et al. BMC Genomics 2007 8:352   doi:10.1186/1471-2164-8-352

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