TABLE 2.
Interspecific genetic divergence and results of genomic clines for 68 mapped codominant microsatellites studied in the Austrian Danube hybrid zone of P. alba and P. tremula
| Locus | Chrom | FST | G′ST | Delta | lnL ratio | P | Selectiona | ||
|---|---|---|---|---|---|---|---|---|---|
| G1719 | 1 | 0.182 | 0.694 | 0.625 | 7.486 | 0.004 | TT: + | TA: | AA: − |
| A302 | 1 | 0.070 | 0.358 | 0.448 | 1.237 | 0.648 | TT: | TA: | AA: |
| P2852 | 1 | 0.042 | 0.245 | 0.490 | 2.105 | 0.341 | TT: | TA: | AA: |
| O30_2 | 1 | 0.085 | 0.636 | 0.677 | 26.601 | 0.000 | TT: + | TA: | AA: − |
| G1568 | 1 | 0.033 | 0.660 | 0.740 | 46.820 | 0.000 | TT: + | TA: | AA: − |
| O137b | 1 | 0.488 | 0.968 | 0.969 | 20.551 | 0.000 | TT: | TA: − | AA: + |
| G124b | 1 | 0.350 | 0.947 | 0.885 | 6.276 | 0.015 | TT: | TA: | AA: |
| G1376b | 2 | 0.669 | 0.979 | 0.906 | 4.488 | 0.049 | TT: + | TA: − | AA: |
| A376b | 2 | 0.366 | 0.994 | 0.948 | 6.696 | 0.008 | TT: | TA: | AA: |
| G1158b | 2 | 0.897 | 1.001 | 0.979 | 10.200 | 0.000 | TT: | TA: | AA: |
| G1133b | 3 | 0.306 | 0.920 | 0.802 | 49.745 | 0.000 | TT: + | TA: − | AA: |
| G1629 | 3 | 0.124 | 0.681 | 0.729 | 7.098 | 0.007 | TT: + | TA: | AA: |
| O30_1 | 3 | 0.189 | 0.180 | 0.292 | 3.757 | 0.060 | TT: | TA: | AA: |
| G1416 | 3 | 0.000 | 0.000 | 0.083 | 15.482 | 0.000 | TT: | TA: | AA: + |
| O203 | 3 | 0.173 | 0.225 | 0.406 | 6.808 | 0.009 | TT: | TA: | AA: |
| G1869b | 3 | 0.174 | 1.000 | 0.979 | 5.361 | 0.031 | TT: | TA: | AA: |
| G1688 | 3 | 0.394 | 0.758 | 0.698 | 5.857 | 0.013 | TT: − | TA: | AA: − |
| O220b | 4 | 0.740 | 0.996 | 1.000 | 8.684 | 0.001 | TT: − | TA: + | AA: |
| O127 | 4 | 0.375 | 0.513 | 0.594 | 18.490 | 0.000 | TT: + | TA: − | AA: |
| G1809 | 4 | 0.431 | 0.695 | 0.677 | 13.221 | 0.000 | TT: + | TA: | AA: |
| G1255b | 5 | 0.990 | 1.000 | 1.000 | 11.093 | 0.001 | TT: | TA: + | AA: |
| G1192 | 5 | 0.146 | 0.243 | 0.458 | 5.418 | 0.018 | TT: | TA: | AA: |
| G1838 | 5 | 0.208 | 0.788 | 0.781 | 12.455 | 0.000 | TT: − | TA: + | AA: − |
| G20 | 5 | 0.558 | 0.691 | 0.615 | 8.600 | 0.001 | TT: + | TA: | AA: − |
| W15 | 5 | 0.141 | 0.479 | 0.542 | 5.944 | 0.010 | TT: − | TA: | AA: |
| G1065b | 6 | 0.628 | 1.006 | 0.938 | 31.029 | 0.000 | TT: + | TA: − | AA: |
| O369 | 6 | 0.026 | 0.039 | 0.219 | 9.428 | 0.000 | TT: | TA: + | AA: − |
| G2034b | 6 | 0.388 | 1.007 | 0.958 | 6.721 | 0.012 | TT: − | TA: | AA: |
| A322b | 6 | 0.188 | 0.892 | 0.813 | 10.775 | 0.000 | TT: | TA: | AA: + |
| O60b | 6 | 0.397 | 0.767 | 0.813 | 59.904 | 0.000 | TT: − | TA: | AA: + |
| W12 | 6 | 0.163 | 0.775 | 0.719 | 16.142 | 0.000 | TT: + | TA: − | AA: + |
| O190 | 6 | 0.638 | 0.908 | 0.792 | 4.721 | 0.025 | TT: − | TA: | AA: + |
| A933b | 6 | 0.538 | 0.995 | 0.969 | 8.354 | 0.001 | TT: − | TA: | AA: |
| G1485 | 6 | 0.061 | 0.036 | 0.083 | 27.080 | 0.000 | TT: + | TA: − | AA: |
| O26b | 6 | 0.548 | 0.950 | 0.875 | 13.139 | 0.000 | TT: + | TA: − | AA: |
| O167b | 6 | 0.959 | 1.000 | 0.990 | 13.543 | 0.002 | TT: | TA: + | AA: − |
| G1831 | 6 | 0.247 | 0.853 | 0.667 | 1.524 | 0.462 | TT: | TA: | AA: |
| G1074b | 6 | 0.978 | 0.999 | 0.938 | 7.469 | 0.004 | TT: − | TA: | AA: |
| G139b | 6 | 0.624 | 1.033 | 1.000 | 0.248 | 0.940 | TT: | TA: | AA: |
| G1260 | 7 | 0.208 | 0.404 | 0.469 | 9.752 | 0.000 | TT: + | TA: | AA: − |
| W17 | 7 | 0.194 | 0.461 | 0.521 | 15.861 | 0.000 | TT: + | TA: | AA: − |
| O312 | 7 | 0.159 | 0.663 | 0.677 | 2.663 | 0.231 | TT: | TA: | AA: |
| G2062 | 8 | 0.077 | 0.511 | 0.573 | 7.916 | 0.002 | TT: − | TA: + | AA: |
| O374 | 8 | 0.160 | 0.961 | 0.760 | 24.973 | 0.000 | TT: + | TA: | AA: − |
| O202 | 8 | 0.283 | 0.567 | 0.594 | 1.524 | 0.487 | TT: | TA: | AA: |
| O268 | 8 | 0.254 | 0.468 | 0.531 | 3.749 | 0.092 | TT: | TA: | AA: |
| G1949 | 9 | 0.096 | 0.271 | 0.479 | 7.082 | 0.010 | TT: | TA: | AA: |
| O23b | 9 | 0.209 | 1.001 | 1.000 | 12.457 | 0.000 | TT: − | TA: | AA: + |
| O21 | 9 | 0.090 | 0.058 | 0.125 | 8.391 | 0.001 | TT: | TA: | AA: |
| G2020 | 10 | 0.205 | 0.844 | 0.740 | 6.384 | 0.014 | TT: | TA: + | AA: |
| O149b | 10 | 0.548 | 0.996 | 0.958 | 11.453 | 0.000 | TT: + | TA: | AA: − |
| O344b | 10 | 0.721 | 1.022 | 1.000 | 5.124 | 0.039 | TT: | TA: + | AA: − |
| G1574 | 10 | 0.458 | 0.930 | 0.792 | 26.168 | 0.000 | TT: + | TA: − | AA: |
| G114b | 10 | 0.572 | 0.970 | 0.885 | 2.521 | 0.290 | TT: | TA: | AA: |
| G1037 | 11 | 0.000 | 0.000 | 0.073 | 10.924 | 0.000 | TT: | TA: + | AA: − |
| W05b | 12 | 0.244 | 0.923 | 0.917 | 6.368 | 0.015 | TT: | TA: | AA: |
| G1186b | 12 | 0.353 | 0.980 | 0.865 | 3.504 | 0.132 | TT: | TA: − | AA: + |
| G1353 | 13 | 0.076 | 0.145 | 0.271 | 9.181 | 0.001 | TT: | TA: | AA: |
| G162b | 13 | 0.148 | 0.902 | 0.823 | 0.629 | 0.741 | TT: | TA: | AA: |
| G1812 | 14 | 0.176 | 0.679 | 0.656 | 5.965 | 0.010 | TT: | TA: − | AA: + |
| G1894b | 15 | 0.516 | 0.941 | 0.906 | 3.770 | 0.101 | TT: | TA: | AA: |
| G1454 | 15 | 0.131 | 0.632 | 0.708 | 7.272 | 0.008 | TT: | TA: − | AA: + |
| G1608b | 15 | 0.558 | 1.000 | 0.896 | 46.011 | 0.000 | TT: | TA: − | AA: + |
| O14 | 16 | 0.041 | 0.023 | 0.052 | 6.242 | 0.001 | TT: + | TA: + | AA: − |
| O214b | 18 | 0.819 | 0.974 | 0.927 | 13.741 | 0.000 | TT: | TA: + | AA: − |
| G1577b | 18 | 0.564 | 1.000 | 0.979 | 4.121 | 0.086 | TT: | TA: | AA: |
| O28 | 18 | 0.161 | 0.183 | 0.333 | 3.382 | 0.119 | TT: | TA: | AA: |
| O206 | 19 | 0.517 | 0.659 | 0.635 | 2.032 | 0.341 | TT: | TA: | AA: |
Included are locus name, assignment to chromosomes, Weir and Cockerham's (1984) FST, Hedrick's (2005) G′ST, allele frequency differential delta and the following genomic cline parameters: ln likelihood, probability for departure from neutrality, and indications for significant over or underrepresentation (+ or −) of individual genotypic classes.
a
AA, interclass homozygotes for P. alba; AT, interclass heterozygotes for P. alba and P. tremula; TT, interclass homozygotes for P. tremula.
b
Markers included in tests for epistasis.