Worth James ＷｏｒｔｈＪａｍｅｓ

Researcher Number	30770771
Other IDs
Affiliation (Current)	2025: 国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員等
Affiliation (based on the past Project Information) *help	2017 – 2025: 国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員等 2021: 国立研究開発法人森林研究・整備機構, その他部局等, 主任研究員等 2016: 国立研究開発法人森林総合研究所, その他部局等, 主任研究員等 2016: 国立研究開発法人森林総合研究所, 樹木分子遺伝研究領域, 主任研究員
Review Section/Research Field	Principal Investigator Basic Section 39060:Conservation of biological resources-related / Sections That Are Subject to Joint Review: Basic Section39060:Conservation of biological resources-related , Basic Section39070:Landscape science-related / Basic Section 39070:Landscape science-related / Forest science Except Principal Investigator Medium-sized Section 40:Forestry and forest products science, applied aquatic science, and related fields / Basic Section 45030:Biodiversity and systematics-related / Basic Section 40010:Forest science-related / Biodiversity/Systematics
Keywords	Principal Investigator NGS / adaptive introgression / genetic swamping / altitudinal hybrid zones / Tsuga / genetic stock / global warming / Japanese archipelago / cold climate forests / Genetic integrity … More / Southern edge forests / southern edge / genetic integrity / whole chloroplast / MIG-seq / subalpine forests / southern edge population / phylogeography / Conservation genetics / Southern edge / Subalpine forests / Chloroplast 'mining' / Phylogeographic break / Genetic diversity / Cool temperate forests / Adaptation / Resilience / Climate change / cool temperate forests / resilience / adaptation / Adaptive genes / Range-edge populations / Japanese Tsuga / population genetics / SSR markers / Fagus crenata / Tsuga sieboldii / Tsuga diversifolia / hybridisation / genetic diversity / climate change / forest … More Except Principal Investigator 種分化 / 遺伝的地域性 / 遺伝的多様性 / 分子系統解析 / 分子系統地理 / 森林遺伝資源保全 / 集団遺伝 / ゲノムワイドSNP分析 / MIG-seq分析 / ゲノム解析 / フォッサマグナ要素 / 島嶼生物地理学 / シンガメオン / 連鎖解析 / 比較マッピング / ヒノキ科 / 針葉樹 / 連鎖地図 / 乾燥適応 / オーストラリア / ブラキコーム / 染色体数進化 Less

A threat or key to survival under climate change?: Genetic dynamics of hybridisation between a subalpine conifer and its warm adapted congenerPrincipal Investigator
- Principal Investigator
  
  Worth James
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 39060:Conservation of biological resources-related
  Basic Section 39070:Landscape science-related
  Sections That Are Subject to Joint Review: Basic Section39060:Conservation of biological resources-related , Basic Section39070:Landscape science-related
- Research Institution
  Forest Research and Management Organization
「シンガメオン仮説」に基づく富士火山帯固有植物の種分化機構の解明
- Principal Investigator
  
  菊地賢
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 45030:Biodiversity and systematics-related
- Research Institution
  Forest Research and Management Organization
Integrated analysis of genetic diversity of all conifers in Japan
- Principal Investigator
  
  陶山佳久
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 40:Forestry and forest products science, applied aquatic science, and related fields
- Research Institution
  Tohoku University
Genetic integrity and potential of cold climate forest southern edge populations in JapanPrincipal Investigator
- Principal Investigator
  
  Worth James
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 39060:Conservation of biological resources-related
- Research Institution
  Forest Research and Management Organization
Investigation of the genome structure for major Cupressaceae tree species by comparative genome analysis
- Principal Investigator
  
  Moriguchi Yoshinari
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 40010:Forest science-related
- Research Institution
  Niigata University
Investigating the resilience of Japan's cool climate forests to past and ongoing climate changePrincipal Investigator
- Principal Investigator
  
  Worth James
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Forest science
- Research Institution
  Forest Research and Management Organization
Study on chromosome number reduction in genus Brachyscome along an arid gradient in Australia.
- Principal Investigator
  
  Ito Motomi
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Biodiversity/Systematics
- Research Institution
  The University of Tokyo

All 2022 2021 2018 2017

All Journal Article Presentation

[Journal Article] Low‐elevation warm‐edge Fagus crenata populations in the core of the species range are glacial relicts with high conservation value2022
- Author(s)
  Worth James R. P.、Shitara Takuto、Kitamura Keiko、Kikuchi Satoshi、Kanetani Seiichi、Matsui Tetsuya、Uchiyama Kentaro、Tomaru Nobuhiro
- Journal Title
  
  Ecological Research
  
  Volume: - Issue: 6 Pages: 764-781
- DOI
  10.1111/1440-1703.12378
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02980, KAKENHI-PROJECT-23K26945
[Journal Article] Genetic Distinctiveness but Low Diversity Characterizes Rear-Edge Thuja standishii (Gordon) Carr. (Cupressaceae) Populations in Southwest Japan2021
- Author(s)
  James R. P. Worth, Ichiro Tamaki, Ikutaro Tsuyama, Peter A. Harrison, Kyoko Sugai, Hitoshi Sakio, Mineaki Aizawa and Satoshi Kikuchi
- Journal Title
  
  Diversity
  
  Volume: 13(59) Issue: 5 Pages: 185-185
- DOI
  10.3390/d13050185
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K05727, KAKENHI-PROJECT-19H02980
[Journal Article] Whole chloroplast genome sequences of the Japanese hemlocks，Tsuga diversifolia and T. sieboldii，and development of chloroplast microsatellite markers applicable to East Asian Tsuga(日本のツガ、コメツガの全葉緑体ゲノムシーケンスと東アジアのツガに応用可能な葉緑体マイクロサテライトマーカーの開発)2018
- Author(s)
  Luxian Liu(Zhejiang University)、Pan Li(Zhejiang University)、H.W Zhang(Zhejiang Qingliangfeng National Natural Reserve)、James R. P. Worth(ワースジェームズ)
- Journal Title
  
  Journal of Forest Research
  
  Volume: 23 Issue: 5 Pages: 318-323
- DOI
  10.1080/13416979.2018.1512395
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06197
[Journal Article] Maintenance of soil ecotypes of Solidago virgaurea in close parapatry via divergent flowering time and selection against immigrants2018
- Author(s)
  Sakaguchi Shota, Horie Kenji, Ishikawa Naoko, Nishio Sae, Worth James R. P., Fukushima Keitaro, Yamasaki Michimasa, Ito Motomi
- Journal Title
  
  Journal of Ecology
  
  Volume: 107 Issue: 1 Pages: 418-435
- DOI
  10.1111/1365-2745.13034
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K15286, KAKENHI-PROJECT-18K14778, KAKENHI-PROJECT-16H05762
[Journal Article] 四国・石鎚山系においてコメツガ南限集団を確認する2018
- Author(s)
  James R. P. Worth(ワースジェームズ)、TSUYAMA Ikutaro(津山幾太郎)、KIKUCHI Satoshi(菊地賢)、AIZAWA Mineaki(逢沢峰明・宇都宮大学)
- Journal Title
  
  The Journal of Phytogeography and Taxonomy
  
  Volume: 66 Issue: 2 Pages: 185
- DOI
  10.18942/chiribunrui.0662-14
- NAID
  130007529141
- ISSN
  0388-6212, 2433-0469
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H06197
[Journal Article] Development of nuclear microsatellite markers for the Japanese conifers Tsuga diversifolia and T. sieboldii (Pinaceae)2017
- Author(s)
  James R. P. Worth(ワースジェームズ)、Jong-Cheol Yang(Korea National Arboretum)、KANETANI Seiichi(金谷整一)、KIKUCHI Satoshi(菊地賢)、SAKAGUCHI Shota(阪口翔太・京都大学)、IHARA-UDINO Tokuko(伊原徳子)
- Journal Title
  
  Plant Species Biology
  
  Volume: 33 Issue: 1 Pages: 67-71
- DOI
  10.1111/1442-1984.12182
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06197
[Presentation] When species collide: consequences of range-overlap of distantly related island endemic conifers2018
- Author(s)
  James Worth
- Organizer
  第１２９回日本森林学会大会
- Invited
- Data Source
  KAKENHI-PROJECT-16H06197
[Presentation] Speciation of Tsuga in Ulleung Island based on nuclear and chloroplast SSRs2018
- Author(s)
  James Worth
- Organizer
  The potential of genomics in plant systematics
- Invited
- Data Source
  KAKENHI-PROJECT-16H06197
[Presentation] When species collide: Consequences of range-overlap of distantly related con-generic conifers. Two case studies in separate island systems2018
- Author(s)
  James Worth
- Organizer
  第１２９回日本森林学会大会
- Invited
- Data Source
  KAKENHI-PROJECT-16H06197
[Presentation] Genetic studies in Japanese Tsuga2017
- Author(s)
  James Worth
- Organizer
  Formation and Mechanism of Plant Diversity in East Asia
- Invited
- Data Source
  KAKENHI-PROJECT-16H06197

1. 菊地賢 (10353658)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. 逢沢峰昭 (70436294)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. Ito Motomi (00193524)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. Moriguchi Yoshinari (60644804)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 阪口翔太 (50726809)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 土松隆志 (60740107)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 松本麻子 (90353862)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 玉木一郎 (00898091)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 大橋伸太 (70754315)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 山本薫 (00766016)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 上條隆志 (10301079)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 陶山佳久 (60282315)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 北村系子 (00343814)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 津村義彦 (20353774)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 内山憲太郎 (40501937)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 青木裕一 (40747599)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 戸丸信弘 (50241774)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 岩泉正和 (50391701)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 高橋大樹 (50913216)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 玉城聡 (80370857)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SAKIO Hitoshi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
22. FUKUSHIMA Keitaro

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
23. 須貝杏子

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Worth James Ｗｏｒｔｈ Ｊａｍｅｓ

Research Projects

Research Products

Co-Researchers

A threat or key to survival under climate change?: Genetic dynamics of hybridisation between a subalpine conifer and its warm adapted congenerPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

「シンガメオン仮説」に基づく富士火山帯固有植物の種分化機構の解明

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Integrated analysis of genetic diversity of all conifers in Japan

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Genetic integrity and potential of cold climate forest southern edge populations in JapanPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Investigation of the genome structure for major Cupressaceae tree species by comparative genome analysis

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Investigating the resilience of Japan's cool climate forests to past and ongoing climate changePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on chromosome number reduction in genus Brachyscome along an arid gradient in Australia.

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Low‐elevation warm‐edge Fagus crenata populations in the core of the species range are glacial relicts with high conservation value2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Genetic Distinctiveness but Low Diversity Characterizes Rear-Edge Thuja standishii (Gordon) Carr. (Cupressaceae) Populations in Southwest Japan2021

Author(s)

Journal Title

DOI

Data Source

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Maintenance of soil ecotypes of Solidago virgaurea in close parapatry via divergent flowering time and selection against immigrants2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 四国・石鎚山系においてコメツガ南限集団を確認する2018

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] Development of nuclear microsatellite markers for the Japanese conifers Tsuga diversifolia and T. sieboldii (Pinaceae)2017

Author(s)

Journal Title

DOI

Data Source

[Presentation] When species collide: consequences of range-overlap of distantly related island endemic conifers2018

Author(s)

Worth James ＷｏｒｔｈＪａｍｅｓ