红砂基因组大小变异及物种分化

范兴科, 燕霞, 冯媛媛, 冉进华, 钱朝菊, 尹晓月, 周姗姗, 房庭舟, 马小飞

Genome size variations and species differentiation of Reaumuria soongarica

Xingke Fan, Xia Yan, Yuanyuan Feng, Jinhua Ran, Chaoju Qian, Xiaoyue Yin, Shanshan Zhou, Tingzhou Fang, Xiaofei Ma

表2 红砂属植物样品的流式细胞仪测定结果(平均值 ± 标准差)

Table 2 Measurement results of Reaumuria samples using flow cytometry (Mean ± SD)

支系 Lineage 群体 Population 红砂属样品G0/G1峰值 Peak values of Reaumuria (G0/G1) 内标番茄G0/G1峰值 Peak values of Solanum pimpinellifolium (G0/G1) DNA 1C-值 DNA 1C-values (pg) 倍性 Ploidy 一倍体基因组大小 Monoploid genome size (Mb) 西部支系 Western lineage of R. soongarica AKS 74,192.667 ± 1,381.685 45,988.667 ± 1,264.577 1.219 ± 0.025 2n = 2x 1,192.639 ± 24.701 CDY 76,255.167 ± 2,643.503 49,239.500 ± 1,725.806 1.170 ± 0.005 2n = 2x 1,144.481 ± 4.816 平均值 Average - - 1.195 ± 0.031 2n = 2x 1,168.560 ± 30.338 东部支系 Eastern lineage of R. soongarica HG 75,210.667 ± 7,241.285 49,762.333 ± 5,100.729 1.143 ± 0.014 2n = 2x 1,117.586 ± 13.338 SMY 74,570.500 ± 2,960.292 48,737.333 ± 1,845.872 1.156 ± 0.006 2n = 2x 1,130.655 ± 5.787 平均值 Average - - 1.149 ± 0.012 2n = 2x 1,124.120 ± 11.944 北疆支系 Northern lineage of R. soongarica SW 77,156.167 ± 3,492.550 49,210.000 ± 1,972.505 1.185 ± 0.009 2n = 2x 1,158.498 ± 9.009 FK 68,354.000 ± 4,150.933 44,074.167 ± 2,919.187 1.172 ± 0.013 2n = 2x 1,146.490 ± 12.237 HSS 141,698.000 ± 8,912.053 46,786.333 ± 2,805.389 2.288 ± 0.015 2n = 4x 1,118.938 ± 7.437 WCC 144,188.167 ± 5,140.113 47,052.500 ± 1,598.277 2.316 ± 0.023 2n = 4x 1,132.291 ± 11.403 五柱红砂 R. kaschgarica DLH 200,628.333 ± 1,704.432 38,574.000 ± 351.629 3.930 ± 0.006 - - 红砂干燥叶片 Dehydrated leaves of R. soongarica AKS 72,426.000 ± 2,382.788 43,371.000 ± 1,417.229 1.262 ± 0.014 2n = 2x 1,234.122 ± 14.060