Table 2. Copepod 18S rRNA genes used in the statistical similarity analysis.
18S rRNA genes | V regions | Lengths of V regions (bp) | Lengths of Sections (bp) | Primers pairs for Sequence amplification | Number of Sequences | Number of orders | Number of families | Number of genus | Number of species |
---|---|---|---|---|---|---|---|---|---|
Nearly-whole-length | V1-9 | 738–785 | 1701–1851 | 226 | 7 | 70 | 134 | 185 | |
Section 1 | V1-3 | 302–327 | 481–544 | Euk1A [43], Euk516 [43] | 320 | 7 | 76 | 169 | 265 |
Section 2 | V4-5 | 291–329 | 537–612 | Ami6F1 [24], Ami9R [24] | 410 | 7 | 82 | 179 | 309 |
Section 3 | V7 | 83–108 | 125–150 | #3 [44], #4_RC [44] | 300 | 7 | 79 | 177 | 284 |
Section 4 | V8 | 62–68 | 158–165 | F–P [45], R–P [45] | 390 | 7 | 82 | 178 | 301 |
Section 5 | V9 | 91–98 | 107–139 | 1391F [27], EukB [27] | 307 | 7 | 80 | 172 | 262 |