Genetic Diversity of Section Leuce in Populus Along the Erqis River

ZHENG Shu-xing; ZHANG Jian-guo; HE Cai-yun; BAO Er-jiang; DUAN Ai-guo; ZENG Yan-fei; LIU Ai-ming

Volume 28 Issue 2

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Genetic Diversity of Section Leuce in Populus Along the Erqis River

1.
State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
2.
Research Institute of Resources Insects, Chinese Academy of Forestry, Kunming 650224, Yunna, China
3.
Altay Research Institute of Forestry, Altay, 836500, Xinjiang, China
4.
Habahe County Forestry Bureau, Habahe, 836700, Xinjiang, China

Received Date: 2013-11-27

Abstract

Along the Erqis River, there are various natural Populus forests, which include Section Leuce in Populus, such as Populus alba, Populus canescens and Populus tremula. Clonal diversity and structure were studied using nuclear microsatellite markers. The results showed that clonal reproduction was the primary reproduction strategy of these Populus populations. The populations of P. alba and P. tremula had an abundant clonal diversity and the mean Simpson's index were 0.983 and 0.987, respectively. Compared with the P. tremula, Populus alba had lower genetic diversity and their Shannon' index were 1.068 9 and 0.324 9, Nei' index were 0.505 6 and 0.211 2, respectively. The genetic consistency was high among populations, and variation range were 0.778 1 0.954 4 in P. tremula, 0.975 1 0.994 6 in Populus alba. It suggested they had long-distance gene flow and prevented genetic differentiation among P. alba and P. tremula population. In addition, genetic diversity indicated that the genetic variation occurred within natural populations, which were 95% in P. alba, and 89.98% in P. tremula.
- Populus alba,
- Populus tremula,
- Clonal diversity and structure,
- genetic diversity,

References

[1]	阮成江,何祯祥,周长芳. 植物分子生态学 [M]. 北京:化学工业出版社,2005: 40.
[2]	Kemperman J, Barnes B. Clone size in American aspens [J]. Canadian Journal of Botany, 1976, 54: 2603-2607.
[3]	Culot A, Vekemans X, Lefebvre C, et al. Taxonomic identification and genetic structure of populations of the Populus tremula L., P. alba L. & P.×canescens (Ait.) sm. complex using morphological and electrophoretical markers[M]. In: Population Genetics and Genetic Conservation of Forest Trees (eds Baradat P, Adams WT, Müller-Starck G), 1995, pp. 113-119. SPB Academic Publishing, Amsterdam, The Netherlands.
[4]	Easton E. Genetic variation and conservation of the native aspen (Populus tremula L.) resource in Scotland[M]. PhD Thesis, University of Edinburgh, UK, 1997.
[5]	Rajora O, Dancik B. Genetic characterization and relationships of Populus alba, P. tremula and P.×canescens, and their clones[J]. Theoretical and Applied Genetics, 1992, 84, 291-298.
[6]	Castiglione S, Wang G, Damiani G, et al. RAPD fingerprints for identification and for taxonomic studies of elite poplar (Populus spp.) clones [J]. Theoretical and Applied Genetics, 1993, 87, 54-59.
[7]	Suvanto L I, Latva-Karjanmaa T. Clone identification and clonal structure of the European aspen (Populus tremula)[J]. Molecular Ecology, 2005, 14: 2851-2860.
[8]	Namroud M C, Park A, Tremalay F, et al. Clonal and spatial genetic structures of aspen (Populus tremuloides Michx.) [J]. Molecular Ecology, 2005, 14: 2969-2980.
[9]	Ellstrand N C, Roose M L. Patterns of genotypic diversity in clonal plant species[J]. American Journal of Botany, 1987,74:123-131.
[10]	Fager E W. Diversity: a sampling study[J]. The American Nature, 1972, 106: 293-310.
[11]	Parker K C, Hamrick J L. Genetic diversity and clonal structure in a columnar cactus, Lophocereus schotti[J]. American Journal of Botany, 1992, 79: 86-96.
[12]	Mclellan A J, Pratid, Kaltz O, et al. Structure and analysis of phenotypic and genetic variation in clonal plants[M]. In: de Kroon H, Van Groenenda J M. The Ecology and Evolution of Clonal Plants. Leiden: Backhuys Publishers, 1997.
[13]	陈锦华,汪小凡,吕应堂. 矮慈姑自然居群的克隆生长格局 [J]. 武汉大学学报(理学版), 2003,49(4):523-527.
[14]	陆建英,马瑞君,孙坤. 珠芽蓼种群克隆多样性及克隆结构的初步研究 [J]. 植物生态学报,2007,31(4):561-56.
[15]	陆建英,杨晓明,马瑞君. 青藏高原东缘鹅绒委陵菜种群克隆结构的研究 [J]. 草业学报,2008,17(2):68-74.
[16]	孙坤,孙文斌,苏雪,等.青藏高原东缘块茎堇菜克隆多样性及其与生境特征的相关性分析[J]. 西北师范大学学报:自然科学版, 2010, 46(4): 74-77.
[17]	蔡凝枫,严宁,胡虹,等. 黄花杓兰云南中甸居群遗传结构及克隆多样性的分析[J]. 云南植物研究,2008,30(1):69-75.
[18]	刘占林,李珊,阎桂琴,等. 华山新麦草自然居群的遗传结构和种内遗传多态性研究[J]. 遗传学报, 2001,28 (8):769-777.
[19]	De Witte L, Armbruster G J, Gielly L, et al. AFLP markers reveal high clonal diversity and extreme longevity in four key arctic-alpine species [J]. Molecular Ecology. 2012, 21(5): 1081-1097.
[20]	Torimaru T, Tomaru N, Nishimura N, et al. Clonal diversity and genetic differentiation in Ilex leucoclada M. patches in an old-growth beech forest. Molecular Ecology [J], 2003, 12(4):809-818.
[21]	杨亚琚,李吉宁,巩檑,等.贺兰山丁香自然居群克隆生长格局及遗传多样性的ISSR分析[J]. 植物科学学报,2013,31(1):85-92.
[22]	GardnerR S, Clonal Diversity of Quaking Aspen [WTBX](Populus Tremuloides[WTBZ]): How Multiple Clones May Add to Theresilience and Persistence of this Forest Type[M]. Utah State University, Master’s Thesis, 2013.
[23]	Jelinski D E, Cheliak W M. Genetic diversity and spatial subdivision of Populus tremuloides (Salicaceae) in a heterogeneous landscape [J]. American Journal of Botany, 1992, 79: 728-736.

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Genetic Diversity of Section Leuce in Populus Along the Erqis River

1. State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China

2. Research Institute of Resources Insects, Chinese Academy of Forestry, Kunming 650224, Yunna, China

3. Altay Research Institute of Forestry, Altay, 836500, Xinjiang, China

4. Habahe County Forestry Bureau, Habahe, 836700, Xinjiang, China

Received Date: 2013-11-27

Abstract: Along the Erqis River, there are various natural Populus forests, which include Section Leuce in Populus, such as Populus alba, Populus canescens and Populus tremula. Clonal diversity and structure were studied using nuclear microsatellite markers. The results showed that clonal reproduction was the primary reproduction strategy of these Populus populations. The populations of P. alba and P. tremula had an abundant clonal diversity and the mean Simpson's index were 0.983 and 0.987, respectively. Compared with the P. tremula, Populus alba had lower genetic diversity and their Shannon' index were 1.068 9 and 0.324 9, Nei' index were 0.505 6 and 0.211 2, respectively. The genetic consistency was high among populations, and variation range were 0.778 1 0.954 4 in P. tremula, 0.975 1 0.994 6 in Populus alba. It suggested they had long-distance gene flow and prevented genetic differentiation among P. alba and P. tremula population. In addition, genetic diversity indicated that the genetic variation occurred within natural populations, which were 95% in P. alba, and 89.98% in P. tremula.

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Reference (23)

[1]	阮成江,何祯祥,周长芳. 植物分子生态学 [M]. 北京:化学工业出版社,2005: 40.
[2]	Kemperman J, Barnes B. Clone size in American aspens [J]. Canadian Journal of Botany, 1976, 54: 2603-2607.
[3]	Culot A, Vekemans X, Lefebvre C, et al. Taxonomic identification and genetic structure of populations of the Populus tremula L., P. alba L. & P.×canescens (Ait.) sm. complex using morphological and electrophoretical markers[M]. In: Population Genetics and Genetic Conservation of Forest Trees (eds Baradat P, Adams WT, Müller-Starck G), 1995, pp. 113-119. SPB Academic Publishing, Amsterdam, The Netherlands.
[4]	Easton E. Genetic variation and conservation of the native aspen (Populus tremula L.) resource in Scotland[M]. PhD Thesis, University of Edinburgh, UK, 1997.
[5]	Rajora O, Dancik B. Genetic characterization and relationships of Populus alba, P. tremula and P.×canescens, and their clones[J]. Theoretical and Applied Genetics, 1992, 84, 291-298.
[6]	Castiglione S, Wang G, Damiani G, et al. RAPD fingerprints for identification and for taxonomic studies of elite poplar (Populus spp.) clones [J]. Theoretical and Applied Genetics, 1993, 87, 54-59.
[7]	Suvanto L I, Latva-Karjanmaa T. Clone identification and clonal structure of the European aspen (Populus tremula)[J]. Molecular Ecology, 2005, 14: 2851-2860.
[8]	Namroud M C, Park A, Tremalay F, et al. Clonal and spatial genetic structures of aspen (Populus tremuloides Michx.) [J]. Molecular Ecology, 2005, 14: 2969-2980.
[9]	Ellstrand N C, Roose M L. Patterns of genotypic diversity in clonal plant species[J]. American Journal of Botany, 1987,74:123-131.
[10]	Fager E W. Diversity: a sampling study[J]. The American Nature, 1972, 106: 293-310.
[11]	Parker K C, Hamrick J L. Genetic diversity and clonal structure in a columnar cactus, Lophocereus schotti[J]. American Journal of Botany, 1992, 79: 86-96.
[12]	Mclellan A J, Pratid, Kaltz O, et al. Structure and analysis of phenotypic and genetic variation in clonal plants[M]. In: de Kroon H, Van Groenenda J M. The Ecology and Evolution of Clonal Plants. Leiden: Backhuys Publishers, 1997.
[13]	陈锦华,汪小凡,吕应堂. 矮慈姑自然居群的克隆生长格局 [J]. 武汉大学学报(理学版), 2003,49(4):523-527.
[14]	陆建英,马瑞君,孙坤. 珠芽蓼种群克隆多样性及克隆结构的初步研究 [J]. 植物生态学报,2007,31(4):561-56.
[15]	陆建英,杨晓明,马瑞君. 青藏高原东缘鹅绒委陵菜种群克隆结构的研究 [J]. 草业学报,2008,17(2):68-74.
[16]	孙坤,孙文斌,苏雪,等.青藏高原东缘块茎堇菜克隆多样性及其与生境特征的相关性分析[J]. 西北师范大学学报:自然科学版, 2010, 46(4): 74-77.
[17]	蔡凝枫,严宁,胡虹,等. 黄花杓兰云南中甸居群遗传结构及克隆多样性的分析[J]. 云南植物研究,2008,30(1):69-75.
[18]	刘占林,李珊,阎桂琴,等. 华山新麦草自然居群的遗传结构和种内遗传多态性研究[J]. 遗传学报, 2001,28 (8):769-777.
[19]	De Witte L, Armbruster G J, Gielly L, et al. AFLP markers reveal high clonal diversity and extreme longevity in four key arctic-alpine species [J]. Molecular Ecology. 2012, 21(5): 1081-1097.
[20]	Torimaru T, Tomaru N, Nishimura N, et al. Clonal diversity and genetic differentiation in Ilex leucoclada M. patches in an old-growth beech forest. Molecular Ecology [J], 2003, 12(4):809-818.
[21]	杨亚琚,李吉宁,巩檑,等.贺兰山丁香自然居群克隆生长格局及遗传多样性的ISSR分析[J]. 植物科学学报,2013,31(1):85-92.
[22]	GardnerR S, Clonal Diversity of Quaking Aspen [WTBX](Populus Tremuloides[WTBZ]): How Multiple Clones May Add to Theresilience and Persistence of this Forest Type[M]. Utah State University, Master’s Thesis, 2013.
[23]	Jelinski D E, Cheliak W M. Genetic diversity and spatial subdivision of Populus tremuloides (Salicaceae) in a heterogeneous landscape [J]. American Journal of Botany, 1992, 79: 728-736.

Genetic Diversity of Section Leuce in Populus Along the Erqis River

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通讯作者: 陈斌, bchen63@163.com

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Genetic Diversity of Section Leuce in Populus Along the Erqis River

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