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  1. B300 農学部/生命農学研究科
  2. B300a 雑誌掲載論文
  3. 学術雑誌

Population genetic structure and demography of Magnolia kobus: variety borealis is not supported genetically

http://hdl.handle.net/2237/00031531
http://hdl.handle.net/2237/00031531
427bc1c5-7b9d-4b33-9ca5-a5e03b8d2721
名前 / ファイル ライセンス アクション
Tamaki_et_al_JPR_2019_acceptedMS.pdf Tamaki_et_al_JPR_2019_acceptedMS (3.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-02-25
タイトル
タイトル Population genetic structure and demography of Magnolia kobus: variety borealis is not supported genetically
言語 en
著者 Tamaki, Ichiro

× Tamaki, Ichiro

WEKO 96240

en Tamaki, Ichiro

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Kawashima, Naomichi

× Kawashima, Naomichi

WEKO 96241

en Kawashima, Naomichi

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Setsuko, Suzuki

× Setsuko, Suzuki

WEKO 96242

en Setsuko, Suzuki

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Lee, Jung-Hyun

× Lee, Jung-Hyun

WEKO 96243

en Lee, Jung-Hyun

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Itaya, Akemi

× Itaya, Akemi

WEKO 96244

en Itaya, Akemi

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Yukitoshi, Kyohei

× Yukitoshi, Kyohei

WEKO 96245

en Yukitoshi, Kyohei

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Tomaru, Nobuhiro

× Tomaru, Nobuhiro

WEKO 96246

en Tomaru, Nobuhiro

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 “This is a post-peer-review, pre-copyedit version of an article published in [Journal of Plant Research]. The final authenticated version is available online at: http://dx.doi.org/10.1007/s10265-019-01134-6”.
キーワード
主題Scheme Other
主題 Approximate Bayesian computation
キーワード
主題Scheme Other
主題 Chloroplast DNA sequences
キーワード
主題Scheme Other
主題 Conservation
キーワード
主題Scheme Other
主題 Ecological niche modeling
キーワード
主題Scheme Other
主題 Leaf morphology
キーワード
主題Scheme Other
主題 Microsatellites
抄録
内容記述タイプ Abstract
内容記述 Species delimitations by morphological and by genetic markers are not always congruent. Magnolia kobus consists of two morphologically different varieties, kobus and borealis. The latter variety is characterized by larger leaves than the former. For the conservation of M. kobus genetic resources in natural forests, the relationships between morphological and genetic variation should be clarified. We investigated variations in nuclear microsatellites, chloroplast DNA (cpDNA) sequences and leaf morphological traits in 23 populations of M. kobus over the range of species. Two genetically divergent lineages, northern and southern were detected and their geographical boundary was estimated to be at 39°N. The northern lineage consisted of two genetic clusters and a single cpDNA haplotype, while the southern one had multiple genetic clusters and cpDNA haplotypes. The northern lineage showed significantly lower genetic diversity than the southern. Approximate Bayesian computation indicated that the northern and southern lineages had experienced, respectively, population expansion and long-term stable population size. The divergence time between the two lineages was estimated to be 565,000 years ago and no signature of migration between the two lineages after divergence was detected. Ecological niche modeling showed that the potential distribution area in northern Japan at the last glacial maximum was very small. It is thus considered that the two lineages have experienced different population histories over several glacial-inter-glacial cycles. Individuals of populations in the central to northern part of Honshu on the Sea of Japan side and in Hokkaido had large leaf width and area. These leaf characteristics corresponded with those of variety borealis. However, the delimitation of the northern and southern lineages detected by genetic markers (39°N) was not congruent with that detected by leaf morphologies (36°N). It is therefore suggested that variety borealis is not supported genetically and the northern and southern lineages should be considered separately when identifying conservation units based not on morphology but on genetic markers.
言語 en
内容記述
内容記述タイプ Other
内容記述 ファイル公開:2020/11/01
言語 ja
出版者
出版者 Springer
言語 en
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s10265-019-01134-6
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0918-9440
書誌情報 en : Journal of Plant Research

巻 132, 号 6, p. 741-758, 発行日 2019-11
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