TABLE 1.
Phylogenetic distribution and organization of genes
| Putative recently evolved genes in D. yakuba clade |
||||||
|---|---|---|---|---|---|---|
| Gene (arm) | yak | teis | ere | mel | ana | No. of codons |
| zaa52b02y1 (X) | + | + | +a | − | −c | 25, 27 |
| zaa29a04x1 (X) | + | +b | − | − | − | 224 |
| zaa29a04x1-rel. (X) | + | + | − | − | − | 194 |
| zaa22f01y1 (X) | + | + | ? | − | − | 128 |
| zaa93a11y1 (2R) | + | − | − | − | − | 126 |
| zaa57b07y1 (3R) | + | + | −c | −c | ? | 61 (23 for shared yak/teis CDS) |
| zaa20f10x1 (4) | + | +b | −a | −c | ? | 29 |
| Other genes | ||||||
| zaa77f10y1 (X) | + | + | +a | +a | ? | 96 |
| zaa36f12y1 (X) | + | +b | −a | +a | −c | 79 |
| zaa43d06x1 (X) | + | ND | +a | +a | − | 104 |
| zaa90g02y1 (3L) | + | + | − | +a | ? | 199 |
?, Identification of putative orthologous region is problematic; ND, no data.
a
Investigated by RT–PCR.
b
D. teissieri genomic sequence reveals an apparently orthologous region but no conserved ORF.
c
Investigated by reverse Northern analysis.