Table 1 Distribution of microsatellites GSSRs (BSSRs), and ESSRs) of carrot*
| Â | GSSRs | BSSRs | ESSRs | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
SSR type | Count (%) | Mean # of repeat units/mean SSR length (bp) | Most frequent motifs‡ | Count (%) | Mean # of repeat units/mean SSR length (bp) | Densityǂ(SSR/Mb) | Most frequent motifs‡ | Count (%) | Mean # of repeat units/mean SSR length (bp) | Densityǂ(SSR/Mb) | Most frequent motifs‡ |
Dinucleotide | 116 (46.8) | 10.0/21.2 | AG(61), AC(34) | 39 (16.7) | 7.8/15.5 | 22.4 | AT(46), AC, AG | 207 (25.2) | 8.1/16.5 | 54.1 | AG(78), AC |
Trinucleotide | 28 (11.3) | 7.0/21.3 | AAC, AGT, AAG | 97 (41.5) | 4.3/12.9 | 55.7 | AAG(27), AAC(17), AGT(13), ACT(12), AAG(27) | 411 (50.1) | 4.4/13.1 | 107.5 | AAG(25), ACT(15), AGG(10), AGC(10) |
Tetranucleotide | 98 (39.5) | 5.9/26.2 | ACAT (59), AAAC | 57 (24.4) | 3.3/12.2 | 32.8 | AAAT(33), AATT(21) | 129 (15.7) | 3.1/12.3 | 33.7 | AAAG, AAAT |
Pentanucleotide | 2 (0.8) | 3.0/15.0 | - | 27 (11.5) | 3.0/15.2 | 15.5 | AAAAG, AGCCG | 29 (3.5) | 3.1/15.7 | 7.6 | AGCCC |
Hexanucleotide | 2 (0.8) | 3.0/18.0 | - | 7 (3.0) | 3.0/18.0 | 4.0 | - | 39 (4.8) | 3.2/18.9 | 10.2 | AAAAAG, AAAGAG |
Heptanucleotide | 0 (0) | 3.0/21.0 | - | 4 (1.7) | 3.0/21.0 | 2.3 | - | 4 (0.5) | 3.0/21.0 | 1.0 | - |
Octanucleotide | 2 (0.8) | 3.0/24.0 | - | 3 (1.3) | 3.0/24.0 | 1.7 | - | 2 (0.2) | 3.5/28.0 | 0.5 | - |
Total perfect SSRs | 248 (100) | 7.9/23.1 | Â | 234 (100) | 4.4/13.9 | 134.5 | Â | 821 (100) | 5.0/14.2 | 214.8 | Â |
Compound SSRs | 41 (16.5) | -/49.9 | Â | 6 (2.6) | -/38.3 | 3.4 | Â | 26 (3.1) | -/32.9 | 6.8 | Â |
Total seq. (Mbp)ζ | 0.04 |  |  | 1.74 |  |  |  | 3.82 |  |  |  |
GC content (%) | 37.9 | Â | Â | 38.3 | Â | Â | Â | 42.3 | Â | Â | Â |