| 高寒草甸植物系统发育与AM真菌侵染的关系 |
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| 引用本文： | 石国玺,蒋胜竞,罗佳佳,周华坤,冯虎元.高寒草甸植物系统发育与AM真菌侵染的关系[J].生态学报,2017,37(11):3628-3635. |
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| 作者姓名： | 石国玺 蒋胜竞 罗佳佳 周华坤 冯虎元 |
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| 作者单位： | 陇东学院生命科学与技术学院, 甘肃省陇东生物资源保护与利用高校重点实验室, 庆阳 745000;中国科学院西北高原生物研究所, 青海省寒区恢复生态学重点实验室, 西宁 810008,兰州大学生命科学学院, 细胞活动与逆境适应教育部重点实验室, 兰州 730000,兰州大学生命科学学院, 细胞活动与逆境适应教育部重点实验室, 兰州 730000,中国科学院西北高原生物研究所, 青海省寒区恢复生态学重点实验室, 西宁 810008,兰州大学生命科学学院, 细胞活动与逆境适应教育部重点实验室, 兰州 730000 |
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| 基金项目： | 国家自然科学青年基金（31500427）；青海省自然科学青年基金（2016-ZJ-957Q）；中国博士后基金（2015M582735）；陇东学院青年科技创新基金（XYZK1505）；陇东学院博士基金（XYBY1602） |
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| 摘 要： | 测定了高寒草甸生态系统中17种常见植物根内AM真菌的侵染率,并将AM侵染率作为植物的一个功能特征,分析了其系统发育保守性。结果显示AM侵染率均无系统发育信号,其植物进化树中AM真菌侵染率的差异更多被最新分支节点所解释,而不是古老分支节点,说明高寒草甸生态系统中亲缘关系较近的植物,其AM侵染水平并不相同,不存在进化的保守性。系统报道了高寒草甸生态系统中植物系统进化发育与AM侵染间的关系,表明了植物系统进化与AM侵染间无显著关联。
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| 关 键 词： | 植物系统发育 AM真菌 系统发育信号 系统进化保守性 |
| 收稿时间： | 2016/3/21 0:00:00 |
| 修稿时间： | 2016/12/16 0:00:00 |
Relationships between plant phylogeny and arbuscular mycorrhizal fungal colonization in an alpine meadow ecosystem |
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| SHI Guoxi,JIANG Shengjing,LUO Jiaji,ZHOU Huakun and FENG Huyuan.Relationships between plant phylogeny and arbuscular mycorrhizal fungal colonization in an alpine meadow ecosystem[J].Acta Ecologica Sinica,2017,37(11):3628-3635. |
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| Authors: | SHI Guoxi JIANG Shengjing LUO Jiaji ZHOU Huakun and FENG Huyuan |
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| Institution: | University Key Laboratory for Protection and Utilization of Longdong Bio-resources in Gansu Province, College of Life Sciences and Technology, Longdong University, Qingyang 745000, China;Key Laboratory of Ecology Restoration in Cold Region in Qinghai Province, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China,MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China,MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China,Key Laboratory of Ecology Restoration in Cold Region in Qinghai Province, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China and MOE Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China |
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| Abstract: | Arbuscular mycorrhizal (AM) fungal colonization in the roots of 17 common plant species were measured to analysis the phylogenetic conservatism of AM colonization that are believed to be plant functional traits. The results showed that there were no phylogenetic signals of AM colonization, and its extant significant variation was explained more by relatively recent than ancient divergences in the phylogeny, suggesting that closely related plant lineages had no similar traits. Our study systematically reports the relationships between plant phylogeny and AM colonization in an alpine meadow ecosystem, and highlights no significant relevance between plant phylogeny and AM colonization. |
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| Keywords: | plant phylogeny AM fungi phylogenetic signal phylogenetic conservatism |
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