神戸大学附属図書館デジタルアーカイブ
https://hdl.handle.net/20.500.14094/90007993

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メタデータID
90007993
アクセス権
open access
出版タイプ
Version of Record
タイトル
New distributional records, taxonomy, morphology, and genetic variations of the endangered brackish-water species Lamprothamnium succinctum (Charales: Charophyceae) in Japan
著者
Kato, Syou ; Tanaka, Jiro ; Tanaka, Norio ; Yokoyama, Jun ; Ito, Yu ; Fujiwara, Yoichiro ; Higa, Atsushi ; Kobayashi, Shingo ; Watanabe, Makoto M. ; Sakayama, Hidetoshi
著者名
Kato, Syou
著者名
Tanaka, Jiro
著者名
Tanaka, Norio
著者名
Yokoyama, Jun
著者名
Ito, Yu
著者名
Fujiwara, Yoichiro
著者名
Higa, Atsushi
著者名
Kobayashi, Shingo
著者名
Watanabe, Makoto M.
著者ID
A0285
研究者ID
1000060391108
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=f499ecd22a2c5ab4520e17560c007669
著者名
Sakayama, Hidetoshi
坂山, 英俊
サカヤマ, ヒデトシ
所属機関名
理学研究科
言語
English (英語)
収録物名
Journal of Asia-Pacific Biodiversity
巻(号)
14(1)
ページ
15-22
出版者
Elsevier
刊行日
2021-03-01
公開日
2021-03-24
抄録
Members of the brackish-water species Lamprothamnium succinctum (Charales, Charophyceae) are widely distributed from tropical to temperate regions, including East Asia. In Japan, L. succinctum is listed as an endangered species and is protected by the government, because it was recorded only at two localities, Lake Hachiro-gata (Akita Prefecture) and Oo-ike pond (Deba-jima Island, Tokushima prefecture), and has become extinct in the former. In this study, we identified five new localities of this species in Japan. The morphological characteristics of their thalli agreed with those provided in the original description of this species, with distinctive reproductive characteristics. Moreover, the oospores of Japanese specimens of L. succinctum were examined for the first time using scanning electron microscopy. The oospores of Japanese specimens exhibited granulate fossa wall patterns, which were consistent with those described in previous studies. Our genetic analyses based on the DNA sequences of two chloroplast DNA markers, including both the coding and non-coding regions, revealed that the sample from Oo-ike pond is distinguishable from those from other Japanese specimens, although they are genetically very similar.
キーワード
Charophyceae
Japanese endangered species
Lamprothamnium succinctum
Molecular phylogeny
Oospores
カテゴリ
理学研究科
学術雑誌論文
権利
© 2020 National Science Museum of Korea (NSMK) and Korea National Arboretum (KNA), Publishing Services by Elsevier.
CC license
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/).
関連情報
DOI
https://doi.org/10.1016/j.japb.2020.09.005