1 材料与方法
1.1 材料
表1 用于SSR分析的15份剑麻种质资源Tab. 1 15 sisal germplasms for SSR analysis in this study |
| 属名Genus | 种质名称Scientific name | |||||
|---|---|---|---|---|---|---|
| 龙舌兰属 Agave | 东1 A. hybrid No.11648 | 肯1 Ken No.1 | 肯2 Ken No.2 | 无刺番麻 A. americana var rmis | 热麻1号 A. hybrid Rema No.1 | 番麻 A. americana L. |
| 丝兰麻属 Yucca | 菠萝花 Y. gloriosa L. | 丝兰 Y. filamentosa L. | 千寿兰 Y. filifera Chabaud | 象腿丝兰 Y. elephantipes Regel | 金边千寿兰 Y. desmetiana Baker | |
| 中美麻属 Furcraea vent | 皮带麻 Furcraea sp. | 毛里求斯 F. gigantea Vent | 金边缝线麻 F. selloa var. marginata | 金边毛里求斯 F.agigantea var. | ||
1.2 方法
1.3 数据处理
2 结果与分析
2.1 剑麻SSR标记的通用性分析
表2 100对SSR引物在3个属中的扩增情况Tab. 2 Amplification products of 100 pairs of EST-SSR primers in Agave, Yucca and Furcraea vent |
| 引物 编号 Code | 引物 名称 Primer | 扩增产物情况 Amplification | 引物编号 Code | 引物 名称 Primer | 扩增产物情况Amplification | ||||
|---|---|---|---|---|---|---|---|---|---|
| 龙舌兰属Agave | 丝兰麻属Yucca | 中美麻属Furcraea vent | 龙舌兰属Agave | 丝兰麻属Yucca | 中美麻属Furcraea vent | ||||
| P1 | C53504 | 4 | 0 | 2 | P51 | C102808 | 2 | 2 | 6 |
| P2 | C40617 | 4 | 2 | 1 | P52 | C65059 | 3 | 7 | 4 |
| P3 | C60020 | 1 | 1 | 3 | P53 | C28017 | 1 | 1 | 1 |
| P4 | C62622 | 2 | 4 | 4 | P54 | C42060 | 1 | 0 | 4 |
| P5 | C52045 | 4 | 8 | 3 | P55 | C35432 | 0 | 0 | 0 |
| P6 | C62733 | 4 | 1 | 0 | P56 | C67587 | 1 | 0 | 0 |
| P7 | C66517 | 4 | 2 | 3 | P57 | C50689 | 0 | 0 | 0 |
| P8 | C53444 | 6 | 3 | 3 | P58 | C58213 | 1 | 1 | 2 |
| P9 | C54120 | 3 | 3 | 3 | P59 | C56245 | 1 | 1 | 1 |
| P10 | C63771 | 6 | 2 | 2 | P60 | C55030 | 0 | 0 | 0 |
| P11 | C51788 | 2 | 5 | 5 | P61 | C65037 | 2 | 0 | 1 |
| P12 | C55311 | 8 | 0 | 4 | P62 | C60419 | 1 | 3 | 1 |
| P13 | C10467 | 3 | 1 | 2 | P63 | C59567 | 1 | 1 | 1 |
| P14 | C64086 | 2 | 0 | 4 | P64 | C61599 | 0 | 2 | 0 |
| P15 | C26992 | 5 | 1 | 2 | P65 | C57253 | 1 | 3 | 1 |
| P16 | C75462 | 0 | 5 | 2 | P66 | C45325 | 2 | 1 | 0 |
| P17 | C101811 | 5 | 0 | 3 | P67 | C24110 | 2 | 3 | 9 |
| P18 | C91173 | 2 | 1 | 3 | P68 | C67096 | 1 | 0 | 0 |
| P19 | C65805 | 4 | 2 | 1 | P69 | C61237 | 2 | 0 | 0 |
| P20 | C56099 | 5 | 1 | 1 | P70 | C63236 | 1 | 0 | 0 |
| P21 | C59174 | 2 | 1 | 1 | P71 | C66274 | 0 | 0 | 0 |
| P22 | C48397 | 1 | 3 | 1 | P72 | C55565 | 4 | 0 | 0 |
| P23 | C21831 | 1 | 3 | 3 | P73 | C18541 | 0 | 0 | 0 |
| P24 | C54328 | 1 | 1 | 3 | P74 | C58079 | 1 | 0 | 0 |
| P25 | C45843 | 2 | 3 | 1 | P75 | C65594 | 0 | 0 | 0 |
| P26 | C56547 | 0 | 1 | 0 | P76 | C67350 | 1 | 0 | 0 |
| P27 | C19780 | 4 | 0 | 1 | P77 | C64114 | 0 | 0 | 0 |
| P28 | C43674 | 3 | 1 | 5 | P78 | C61476 | 0 | 0 | 0 |
| P29 | C67656 | 4 | 5 | 1 | P79 | C50377 | 1 | 0 | 0 |
| P30 | C56805 | 4 | 1 | 3 | P80 | C62978 | 0 | 0 | 0 |
| P31 | C31941 | 4 | 2 | 3 | P81 | C57223 | 0 | 0 | 0 |
| P32 | C65804 | 5 | 4 | 4 | P82 | C57470 | 1 | 0 | 0 |
| P33 | C65124 | 1 | 1 | 2 | P83 | C61688 | 0 | 0 | 0 |
| P34 | C64583 | 3 | 1 | 0 | P84 | C64073 | 0 | 0 | 0 |
| P35 | C61730 | 4 | 1 | 3 | P85 | C66012 | 1 | 0 | 0 |
| P36 | C78304 | 2 | 2 | 4 | P86 | C58983 | 1 | 0 | 0 |
| P37 | C51844 | 5 | 3 | 3 | P87 | C11719 | 0 | 0 | 0 |
| P38 | C65836 | 5 | 3 | 1 | P88 | C25268 | 0 | 0 | 0 |
| P39 | C61418 | 6 | 4 | 1 | P89 | C43210 | 0 | 0 | 0 |
| P40 | C25161 | 1 | 2 | 0 | P90 | C67682 | 0 | 0 | 0 |
| P41 | C34816 | 1 | 1 | 1 | P91 | C58728 | 0 | 0 | 0 |
| P42 | C59833 | 0 | 0 | 0 | P92 | C65623 | 0 | 0 | 0 |
| P43 | C61872 | 1 | 0 | 0 | P93 | C62937 | 0 | 0 | 0 |
| P44 | C62970 | 5 | 2 | 1 | P94 | C62565 | 0 | 0 | 0 |
| P45 | C67158 | 4 | 3 | 1 | P95 | C54676 | 0 | 0 | 0 |
| P46 | C67379 | 0 | 0 | 0 | P96 | C31941 | 0 | 0 | 0 |
| P47 | C62884 | 1 | 1 | 3 | P97 | C66822 | 0 | 0 | 0 |
| P48 | C62635 | 1 | 2 | 2 | P98 | C1566 | 0 | 0 | 0 |
| P49 | C65567 | 5 | 5 | 0 | P99 | C56478 | 0 | 0 | 0 |
| P50 | C62310 | 0 | 0 | 0 | P100 | C63836 | 0 | 0 | 0 |
2.2 SSR引物多态性分析
表3 龙舌兰属中的多态性SSR引物及其扩增情况Tab. 3 Polymorphism amplification of SSR primers in Agave |
| 引物名称 Primer | 扩增产物 条带数 No. of amplified bands | 多态性 位点数 No. of polymorphic bands | 多态 百分比 Polymorphic percentage/% | 扩增产物范围 Amplification range/bp |
|---|---|---|---|---|
| C62733 | 4 | 2 | 50 | 280~480 |
| C53444 | 6 | 4 | 67 | 240~450 |
| C52045 | 4 | 2 | 50 | 290~340 |
| C54120 | 3 | 2 | 67 | 250~300 |
| C101811 | 5 | 4 | 80 | 240~300 |
| C56099 | 5 | 4 | 80 | 203~290 |
| C19780 | 4 | 3 | 75 | 230~500 |
| C67656 | 4 | 2 | 50 | 180~280 |
| C56805 | 4 | 2 | 50 | 260~400 |
| C65804 | 5 | 2 | 40 | 300~520 |
| C61730 | 4 | 3 | 75 | 220~240 |
| C78304 | 2 | 1 | 50 | 230~270 |
| C51844 | 5 | 4 | 80 | 290~420 |
| C65836 | 5 | 3 | 60 | 220~330 |
| C61418 | 6 | 4 | 67 | 230~300 |
| C62970 | 5 | 4 | 80 | 220~300 |
| C65567 | 5 | 4 | 80 | 240~300 |
| C24110 | 2 | 1 | 50 | 140~160 |
| 总计 | 76 | 48 | ||
| 平均值 | 4.22 | 2.67 | 63.16 |
表4 丝兰麻属中的多态性SSR引物及其扩增情况Tab. 4 Polymorphism amplification of SSR primers in Yucca |
| 引物名称 Primer | 扩增产物条带数 No. of amplified bands | 多态性 位点数 No. of polymorphic bands | 多态 百分比 Polymorphic percentage/% | 扩增产物范围 Amplification range/bp |
|---|---|---|---|---|
| C40617 | 2 | 1 | 50.00 | 210~280 |
| C52045 | 3 | 2 | 66.67 | 270~300 |
| C53444 | 3 | 2 | 66.67 | 210~310 |
| C51788 | 5 | 4 | 80.00 | 180~250 |
| C75462 | 5 | 4 | 80.00 | 150~200 |
| C48397 | 2 | 1 | 50.00 | 240~260 |
| C21831 | 6 | 5 | 83.33 | 180~370 |
| C45843 | 3 | 2 | 66.67 | 240~300 |
| C31941 | 2 | 1 | 50.00 | 260~300 |
| C78304 | 2 | 1 | 50.00 | 200~260 |
| C25161 | 2 | 1 | 50.00 | 250~300 |
| C65059 | 7 | 5 | 71.43 | 150~260 |
| 总计 | 44 | 29 | ||
| 平均值 | 3.67 | 2.42 | 65.91 |
表5 SSR引物在中美麻属中的扩增情况Tab. 5 Polymorphism amplification of SSR primers in Furcraea vent |
| 引物 名称 Primer | 扩增产物 条带数 No. of amplified bands | 多态性位点数 No. of polymorphic bands | 多态 百分比 Polymorphic percentage/% | 扩增产物 范围 Amplification range /bp |
|---|---|---|---|---|
| C64086 | 4 | 2 | 50.00 | 150~280 |
| C78304 | 4 | 3 | 75.00 | 210~310 |
| C24110 | 9 | 5 | 55.56 | 150~300 |
| C51788 | 5 | 4 | 80.00 | 230~440 |
| C55311 | 4 | 2 | 50.00 | 250~400 |
| C65124 | 2 | 1 | 50.00 | 280~310 |
| C65804 | 4 | 2 | 50.00 | 250~380 |
| C65059 | 4 | 1 | 25.00 | 200~290 |
| C42060 | 4 | 3 | 75.00 | 200~290 |
| 总计 | 40 | 20 | ||
| 平均值 | 4.44 | 2.22 | 50.00 |
