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题名: Genetic diversity of an endangered aquatic plant, Potamogeton lucens subspecies sinicus
作者: Uehara, Koichi; Tanaka, Norio; Momohara, Arata; Zhou, Zhe-Kun
刊名: AQUATIC BOTANY
关键词: AMOVA ; P lucens var. tegantanensis ; RAPD ; soil seed bank ; genetic diversity ; conservation ; endangered species
英文摘要: The genetic diversity of the species, Potamogeton lucens subsp. sinicus var. teganumensis, which is critically endangered in Japan, was investigated. This species now occurs in only two known localities in Japan. One is a native population (Oitoike population), but the other (Teganuma-Okahotto population) is found in a small artificial pond that was dug in 1998. It is considered that the Teganuma-Okahotto population grew from a soil seed bank. Based on RAPD variation, we compared the genetic diversity of the two populations of P lucens var. teganumensis in Japan and one population of P. lucens subsp. sinicus var. sinicus in China. The Teganuma-Okahotto population showed RAPD variation, suggesting that it may be derived from more than one seed buried in old sediments. This population also had the highest value of Shannon's Information Index among the three study populations. This finding suggests that seeds buried in sediments can contain genetic variability, and may be used to conserve the genetic diversity of rare and endangered plants. (c) 2006 Elsevier B.V. All rights reserved.
出版日期: 2006-11-01
卷号: 85, 期号:4, 页码:350-354
DOI标识: 10.1016/j.aquabot.2006.06.008
语种: 英语
ISSN号: 0304-3770
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3295
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chiba Univ, Fac Hort, Lab Plant Morphol, Matsudo, Chiba 2718510, Japan
2.Tsukuba Bot Garden, Natl Sci Museum, Tsukuba, Ibaraki 3050005, Japan
3.Chiba Univ, Fac Hort, Lab Forest Ecol, Matsudo, Chiba 2718510, Japan
4.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China

Recommended Citation:
Uehara, K; Tanaka, N; Momohara, A; Zhou, ZK.Genetic diversity of an endangered aquatic plant, Potamogeton lucens subspecies sinicus,AQUATIC BOTANY,2006,85(4):352-356
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