
Population structure and genetic analysis within soybean cultivars of Huang-Huai-Hai and Southern region of China based on SSR markers related to QTL
Jia-lin LIU, Hui-min XIE, Zheng ZHANG, Bo-yun YANG, Huo-lin LUO, Gui-ru GONG, Dong-jin XIONG
CHINESE JOURNAL OF OIL CROP SCIENCES ›› 2022, Vol. 44 ›› Issue (1) : 63-71.
Population structure and genetic analysis within soybean cultivars of Huang-Huai-Hai and Southern region of China based on SSR markers related to QTL
Research of the population structure and genetic diversity has guiding significance to soybean improvement. In this study, 105 cultivar soybean accessions bred from Huang-Huai-Hai and Southern region of China were collected to detect their population structure and genetic diversity by using 99 SSR polymorphic primer pairs. The results showed that a total of 1142 alleles were detected at 99 loci with 11.54 average number of alleles per locus ranging from 5 to 24. The whole population was divided into 4 subgroups according to breeding period. The range of Nei's gene diversity was 0.628-0.839 with an average of 0.774. The polymorphism information content ranged from 0.562-0.820 with an average of 0.742. The genetic distance between subgroups ranged from 0.387 to 0.197 with an average of 0.297. Ninety-nine percentage of total variation was explained within the subgroups,and 1% of total variation was explained among subgroups based on the molecular variation analysis, which indicated that there were frequent gene exchanges in subgroups. The principal coordinate analysis showed that the first, second, and third principal factors explained 4.12%, 3.61%, and 2.90% of the total variation respectively. These soybean germplasm could be divided into 3 subgroups based on STRUCTURE analysis and unweighted pair group method with arithmetic average (UPGMA) cluster. Further comparison showed that the UPGMA subgroups and STRUCTURE subgroups displayed a highly consistent correlation with these pedigrees and the genetic base of each period. The genetic diversity had period characteristics and showed an increasing trend in this study.
soybean / Huang-Huai-Hai / South China / cultivar / SSR marker / gene diversity {{custom_keyword}} /
Table 1 105 cultivars used in this study表1 105份大豆实验材料 |
育成年代 Era | 材料数量 Number | 品种编号 Material code |
---|---|---|
1963-1980 | 14 | 1、27、28、29、30、57、5859、60、61、69、70、71、72 |
1981-1990 | 24 | 2、3、4、11、12、13、14)(15、31、32、33、34、62、67、73、74、75、76、77、78、79、80、89、100 |
1991-2000 | 37 | 5、6、7、8、16、17、18、19、20、21、35、36、37、38、39、40、41、42、43、44、45、46、63、64、68、81、82、83、90、91、92、93、98、101、102、103、104 |
2001-2004 | 30 | 9、10、22、23、24、25、26、47、48、49、50、51、52、53、54、55、56、65、66、84、85、86、87、88、94、95、96、97、99、105 |
Table 2 Polymorphism result of primers表2 引物扩增多态性结果 |
染色体 Chrom | 位点 Locus | 图位 Position /cM | 等位变异数 Na | 等位基因频率 Allele frequency | 染色体 Chrom | 位点 Locus | 图位 Position /cM | 等位变异数 Na | 等位基因频率 Allele frequency |
---|---|---|---|---|---|---|---|---|---|
Gm05(A1) | Satt449 | 27.78 | 13 | 0.162 | Gm13(F) | Satt146 | 1.92 | 14 | 0.2 |
Satt300 | 30.93 | 13 | 0.229 | Satt030 | 3.95 | 9 | 0.448 | ||
Satt385 | 64.74 | 18 | 0.124 | Satt269 | 11.37 | 13 | 0.257 | ||
Satt236 | 93.23 | 12 | 0.171 | Satt659 | 26.71 | 7 | 0.476 | ||
Satt225 | 95.16 | 6 | 0.371 | Gm18(G) | Satt163 | 0 | 13 | 0.314 | |
Gm08(A2) | Satt207 | 26.5 | 11 | 0.2 | Satt038 | 1.84 | 10 | 0.257 | |
Satt177 | 36.77 | 9 | 0.248 | Satt235 | 21.89 | 11 | 0.257 | ||
Satt187 | 54.92 | 9 | 0.248 | Satt288 | 76.77 | 13 | 0.171 | ||
AW132402 | 67.86 | 11 | 0.171 | Sat_372 | 107.75 | 17 | 0.181 | ||
Satt133 | 125.38 | 9 | 0.333 | Gm12(H) | Satt353 | 8.48 | 13 | 0.276 | |
Satt409 | 145.57 | 15 | 0.171 | Satt253 | 67.17 | 9 | 0.181 | ||
Gm11(B1) | Satt509 | 32.51 | 9 | 0.41 | Satt302 | 81.04 | 11 | 0.276 | |
Gm14(B2) | Satt020 | 72.13 | 10 | 0.19 | Satt142 | 86.49 | 10 | 0.238 | |
Satt534 | 87.59 | 13 | 0.181 | Gm20(I) | Satt614 | 31.94 | 17 | 0.21 | |
Satt063 | 93.49 | 15 | 0.162 | Satt148 | 100.78 | 11 | 0.152 | ||
Sat_424 | 100.1 | 12 | 0.229 | Gm16(J) | Satt249 | 11.74 | 10 | 0.21 | |
Gm4(C1) | Satt690 | 5.36 | 11 | 0.257 | Satt405 | 12.41 | 12 | 0.21 | |
Satt194 | 26.35 | 15 | 0.143 | Satt285 | 25.51 | 7 | 0.257 | ||
Sat_140 | 41.43 | 17 | 0.143 | Satt414 | 37.04 | 14 | 0.152 | ||
Satt294 | 78.65 | 12 | 0.162 | Satt132 | 39.18 | 7 | 0.248 | ||
Satt670 | 85.37 | 9 | 0.248 | Satt183 | 42.51 | 9 | 0.248 | ||
AI794821 | 122.63 | 8 | 0.257 | Gm9(K) | Satt326 | 49.53 | 6 | 0.486 | |
Satt180 | 127.77 | 15 | 0.19 | Satt001 | 50.56 | 16 | 0.124 | ||
Satt164 | 132.46 | 7 | 0.39 | Satt260 | 80.12 | 8 | 0.324 | ||
Gm6(C2) | AW734043 | 4.22 | 10 | 0.229 | Sat_293 | 99.1 | 11 | 0.219 | |
Satt291 | 45.76 | 8 | 0.371 | Gm19(L) | Satt723 | 1.07 | 6 | 0.333 | |
Satt286 | 101.75 | 12 | 0.181 | Satt182 | 14.03 | 15 | 0.143 | ||
Satt277 | 107.59 | 10 | 0.4 | Satt143 | 30.19 | 10 | 0.219 | ||
Satt100 | 113.96 | 12 | 0.39 | Satt652 | 30.88 | 11 | 0.229 | ||
Satt202 | 126.24 | 12 | 0.267 | Satt076 | 61.35 | 8 | 0.21 | ||
Satt316 | 127.67 | 16 | 0.133 | Satt664 | 92.66 | 9 | 0.162 | ||
Satt357 | 151.91 | 9 | 0.352 | Sat_245 | 115.07 | 14 | 0.181 | ||
Gm1(D1a) | Satt507 | 64.52 | 10 | 0.295 | Gm7(M) | Satt150 | 18.58 | 13 | 0.133 |
Satt436 | 70.69 | 14 | 0.181 | Satt567 | 33.47 | 12 | 0.229 | ||
Satt147 | 108.89 | 10 | 0.21 | Satt463 | 50.1 | 14 | 0.2 | ||
Gm2(D1b) | Satt216 | 9.8 | 12 | 0.21 | Satt175 | 66.99 | 13 | 0.181 | |
Satt157 | 37.07 | 14 | 0.238 | Satt655 | 76.41 | 10 | 0.229 | ||
Satt005 | 75.29 | 10 | 0.276 | Satt680 | 77.19 | 11 | 0.286 | ||
Sat_289 | 131.92 | 15 | 0.181 | Satt306 | 80.02 | 8 | 0.229 | ||
Satt271 | 137.06 | 12 | 0.181 | Satt210 | 112.08 | 11 | 0.238 | ||
Gm17(D2) | Satt458 | 24.52 | 16 | 0.114 | Gm3(N) | Satt152 | 22.67 | 11 | 0.229 |
Satt389 | 79.23 | 12 | 0.2 | Satt159 | 27.13 | 11 | 0.219 | ||
Satt311 | 84.62 | 13 | 0.248 | Satt009 | 28.52 | 24 | 0.095 | ||
Satt226 | 85.15 | 12 | 0.171 | Satt683 | 34.52 | 12 | 0.267 | ||
Satt301 | 93.71 | 14 | 0.21 | Gm10(O) | Satt653 | 38.09 | 5 | 0.429 | |
Satt386 | 125 | 11 | 0.343 | Satt259 | 39.82 | 15 | 0.133 | ||
Gm15(E) | Satt213 | 3.72 | 12 | 0.229 | Satt345 | 59.43 | 13 | 0.248 | |
Satt384 | 19.3 | 11 | 0.276 | Satt173 | 58.4 | 13 | 0.41 | ||
Satt045 | 46.65 | 10 | 0.219 | Satt633 | 56.93 | 10 | 0.286 | ||
Satt592 | 100.38 | 9 | 0.171 |
Table 3 Genetic diversity of period populations表3 时期亚群间遗传多样性 |
群体名称 Population | 样本数 No. | 观测等位基因数 Na | 有效等位基因数 Ne | Nei's基因多样性 H | 多态性信息含量 PIC |
---|---|---|---|---|---|
1963-1980 | 14 | 6.152 | 4.668 | 0.628 | 0.562 |
1981-1990 | 24 | 7.949 | 5.564 | 0.813 | 0.790 |
1991-2000 | 37 | 9.121 | 6.088 | 0.839 | 0.820 |
2001-2004 | 30 | 8.919 | 6.434 | 0.816 | 0.795 |
整体Total | 105 | 10.657 | 7.172 | 0.851 | 0.836 |
Table 4 Nei’s genetic distance and genetic identity between period populations表4 时期亚群间Nei’s遗传距离与相似性系数 |
群体名称 | 1963-1980 | 1981-1990 | 1991-2000 | 2001-2004 |
---|---|---|---|---|
Population | ||||
1963-1980 | 0.709 | 0.679 | 0.701 | |
1981-1990 | 0.343 | 0.790 | 0.769 | |
1991-2000 | 0.387 | 0.236 | 0.821 | |
2001-2004 | 0.356 | 0.262 | 0.197 |
Fig. 2 Period populations dendrogram of soybeans based on Nei's genetic distance图2 基于Nei’s遗传距离大豆时期亚群聚类图 |
Table 5 Distribution of populations in 3 groups表5 大豆材料在3个类群中的分布 |
类群 Group | 群体Population | Total | |||
---|---|---|---|---|---|
1963-1980 | 1981-1990 | 1991-2000 | 2001-2004 | ||
Ⅰ | 3 | 4 | 20 | 22 | 49 |
Ⅱ | 7 | 10 | 6 | 2 | 25 |
Ⅲ | 4 | 10 | 11 | 6 | 36 |
整体Total | 14 | 24 | 37 | 30 | 105 |
Table 6 Distribution of population structure表6 大豆材料遗传结构分布 |
类群 Group | 群体Population | Total | |||
---|---|---|---|---|---|
1963-1980 | 1981-1990 | 1991-2000 | 2001-2004 | ||
Ⅰ | 3 | 4 | 17 | 20 | 44 |
Ⅱ | 7 | 10 | 6 | 2 | 25 |
Ⅲ | 4 | 10 | 14 | 8 | 36 |
整体Total | 14 | 24 | 37 | 30 | 105 |
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