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https://hdl.handle.net/20.500.14094/90007290
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2024-04-26
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90007290 (fulltext)
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メタデータID
90007290
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open access
出版タイプ
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タイトル
Evidence for newly discovered albino mutants in a pyroloid: implication for the nutritional mode in the genus Pyrola
著者
Shutoh, Kohtaroh ; Tajima, Yuko ; Matsubayashi, Jun ; Tayasu, Ichiro ; Kato, Syou ; Shiga, Takashi ; Suetsugu, Kenji
著者名
Shutoh, Kohtaroh
著者名
Tajima, Yuko
著者名
Matsubayashi, Jun
著者名
Tayasu, Ichiro
著者名
Kato, Syou
著者名
Shiga, Takashi
著者ID
A0447
研究者ID
1000070748839
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=a83853109d6fa20a520e17560c007669
著者名
Suetsugu, Kenji
末次, 健司
スエツグ, ケンジ
所属機関名
理学研究科
収録物名
American Journal of Botany
巻(号)
107(4)
ページ
650-657
出版者
Wiley
刊行日
2020-04
公開日
2020-07-22
抄録
Premise Difficulties in comparing extremely divergent features in fully mycoheterotrophic plants with those in closely related chlorophyllous plants have complicated attempts to reveal the evolutionary patterns and processes of fully mycoheterotrophic plants. Albino mutants of partially mycoheterotrophic plants, generally observed in Orchidaceae, have provided an ideal model for investigating the evolution of mycoheterotrophy within similar genetic backgrounds. In 2018, we found a putative albino population of Pyrola (Ericaceae). Here we aimed to reveal the identity of the albino pyroloid and confirm its fully mycoheterotrophic status. Methods To reveal the putative albino pyroloid's identity, we examined its morphology and sequenced its chloroplast DN . In addition, we assessed the trophic status of the putative albino pyroloid by analyzing chlorophyll fluorescence, chlorophyll concentration, and natural 13C and 15N abundances. Results We identified albino individuals as P. japonica-otherwise a partially mycoheterotrophic species. We confirmed their albino status by their considerably lower chlorophyll fluorescence and concentrations than those of sympatrically occurring chlorophyllous plants. 13C abundance in the albino individuals was significantly higher than in the green individuals of P. japonica. Conclusions This first report of albino mutants from partially mycoheterotrophic species in angiosperms other than orchids will play a valuable role in further studies focused on mycoheterotrophy. For instance, their δ 13C and δ 15N values represent a reference for fully mycoheterotrophic plants in Pyrola. Our findings also indicate the strong dependence of some leafy Pyrola species on fungal C during their entire life cycle.
キーワード
Chimaphila
Ericaceae
flora
Japan
mixotrophy
Pyrola aphylla
Pyrola japonica species complex
Pyrola subaphylla
stable isotope
カテゴリ
理学研究科
学術雑誌論文
権利
© 2020 The Authors. American Journal of Botany published by Wiley Periodicals LLC on behalf of Botanical Society of America.
This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
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資源タイプ
journal article
言語
English (英語)
ISSN
0002-9122
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eISSN
1537-2197
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NCID
AA0004840X
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関連情報
DOI
https://doi.org/10.1002/ajb2.1462
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