Table 6. Summary of simple sequence repeat (SSR) types in the Chinese sturgeon transcriptome.
| Repeat motif | Numbera | %b |
|---|---|---|
| Mono-nucleotide | ||
| A/T/C/G | 7,946 | 65.39 |
| Di-nucleotide | ||
| AC/GT/AG/CT | 1,548 | |
| AT/AT | 724 | |
| CG/CG | 1 | |
| Di-nucleotide Total | 2,273 | 18.71 |
| Tri-nucleotide | ||
| AAC/GTT/AAG/CTT/ AAT/ATT | 622 | |
| ACC/GGT/ACG/CGT/ACT/AGT | 76 | |
| AGC/CTG/AGG/CCT/ATC/ATG | 1,006 | |
| CCG/CGG | 14 | |
| Tri-nucleotide Total | 1,718 | 14.14 |
| Tetra-nucleotide | ||
| AAAC/GTTT/AAAG/CTTT/ AAAT/ATTT | 105 | |
| AACC/GGTT/AACT/AGTT/ | 4 | |
| AAGC/CTTG/AAGG/CCTT | 7 | |
| AATC/ATTG/AATG/ATTC/AATT/AATT | 19 | |
| ACAG/CTGT/ACAT/ATGT ACCT/AGGT | 34 | |
| ACGC/CGTG/ACGG/CCGT | 4 | |
| ACTC/AGTG/ACTG/AGTC | 7 | |
| AGAT/ATCT/AGCC/CTGG | 13 | |
| AGGC/CCTG/AGGG/CCCT | 13 | |
| ATCC/ATGG | 5 | |
| Tetra-nucleotide Total | 211 | 1.74 |
| Penta-nucleotide | ||
| ACAGT/ACTGT | 1 | |
| ACCTG/AGGTC | 1 | |
| ATCCC/ATGGG | 1 | |
| Penta-nucleotide Total | 3 | 0.02 |
| Grand Total | 12,151 | 100.00 |
aNumber of SSRs detected in unigenes
bRelative percent of SSRs with different repeat motifs among the total SSRs