Speciation process by a "magic trait" and a new speciation theory
| Project/Area Number |
18H02509
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Review Section |
Basic Section 45040:Ecology and environment-related
|
|---|
| Research Institution | Waseda University (2020-2021)
Musashino Art University (2019)
The University of Tokyo (2018) |
|---|
Principal Investigator |
Hoso Masaki 早稲田大学, 教育・総合科学学術院, 准教授 (80557695)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
山崎 曜 国立遺伝学研究所, ゲノム・進化研究系, 助教 (40816021)
土松 隆志 東京大学, 大学院理学系研究科(理学部), 准教授 (60740107)
山道 真人 長崎大学, 熱帯医学研究所, 客員准教授 (70734804)
|
|---|
| Project Period (FY) |
2018-04-01 – 2021-03-31
|
| Project Status |
Completed (Fiscal Year 2021)
|
| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2020: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2018: ¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
|
|---|
| Keywords | 種分化 / ゲノム / リシーケンス / GWAS / 集団遺伝 |
|---|
| Outline of Final Research Achievements |
The aim of this study is to deeply investigate the evolution of snail chirality, which is a very simple mechanism as a "magic trait" that acts on both adaptation and reproductive isolation. We obtained vast amounts of sequence data for approximately 1500 samples collected through extensive fine-grained sampling in southeastern Taiwan, using MIG-seq. We also obtained re-sequence data for 31 representative samples. From a large number of SNP data obtained by mapping these to the draft genome of a specific species, we identified the possible genome regions which determine the snail chirality.
|
| Academic Significance and Societal Importance of the Research Achievements |
いま我々が目にしている豊かな生物多様性は、数限りなく繰り返されてきた種分化の産物です。ダーウィンが「謎のなかの謎」と評したこの種分化の機構を解き明かすことは、ゲノム時代となった現代においてもなお挑戦的な課題であり続けています。本研究課題では、その種分化の機構として最も単純なものの一つである「カタツムリにおける左右逆転」による種分化に注目しました。カタツムリでは、巻き方向を逆転させる１遺伝子の変異が種分化をもたらしうることがわかっていました。本研究において我々は、ゲノム解析により、台湾において左右逆転の進化を並行に引き起こしている遺伝子領域を絞り込み、この謎の解明に大きく近づくことができました。
|
Report
(4 results)
Research Products
(71 results)
-
-
-
-
-
-
-
-
-
[Journal Article] Double-locking mechanism of self-compatibility in Arabidopsis thaliana: the synergistic effect of transcriptional depression and disruption of coding region in the male specificity gene.2020
Author(s)
Suwabe, K., Nagasaka, K., Windari, E. A., Hoshiai, C., Ota, T., Takada, M., Kitazumi, A., Masuko-Suzuki, H., Kagaya, Y., Yano, K., Tsuchimatsu, T., Shimizu, K. K., Takayama, S., Suzuki, G., and Watanabe, M.
-
Journal Title
Frontiers in Plant Science
Volume: 11
Pages: 576140-576140
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
-
[Journal Article] Adaptive reduction of male gamete number in the selfing plant Arabidopsis thaliana2020
Author(s)
Takashi Tsuchimatsu, Hiroyuki Kakui, Misako Yamazaki, Cindy Marona, Hiroki Tsutsui, Afif Hedhly, Dazhe Meng, Yutaka Sato, Thomas Studler, Ueli Grossniklaus, Masahiro M. Kanaoka, Michael Lenhard, Magnus Nordborg and Kentaro K. Shimizu
-
Journal Title
Nature Communications
Volume: 11
Issue: 1
Pages: 2885-2885
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
-
[Journal Article] Niche conservatism promotes speciation in cycads: the case of Dioon merolae (Zamiaceae) in Mexico2020
Author(s)
Gutierrez-Ortega J.S., Salinas-Rodriguez M.M., Ito T., Perez-Farrera M.A., Vovides A.P., Martinez J.F., Molina-Freaner F., Hernandez-Lopez A., Kawaguchi L., Nagano A.J., Kajita T., Watano Y., Tsuchimatsu T., Takahashi Y., Murakami M.
-
Journal Title
New Phytologist
Volume: 999
Issue: 6
Pages: 999-999
DOI
Related Report
Peer Reviewed / Int'l Joint Research
-
-
-
-
[Journal Article] Exploring genetic diversity and signatures of horizontal gene transfer in nodule bacteria associated with Lotus japonicus in natural environments2019
Author(s)
Bamba, M., Aoki, S., Kajita, T., Setoguchi H., Watano, Y., Sato, S., and Tsuchimatsu, T.
-
Journal Title
Molecular Plant-Microbe Interactions
Volume: 印刷中
Issue: 9
Pages: 1110-1120
DOI
Related Report
Peer Reviewed / Open Access
-
-
-
-
-
-
-
-
[Presentation] Multiple paths to the same goal: the repeated use of hotspot genes for convergent plate reduction in sticklebacks2021
Author(s)
Yo Yamasaki, Tomoyuki Kokita, Koki Kato, Asato Irifune, Mitsuki Kuroda, Hiroshi Takahashi, Yoshiyasu Machida, Asano Ishikawa, Mikiko Tanaka, Seiichi Mori, Atsushi Toyoda, Jun Kitano
Organizer
日本生態学会第68回大会
Related Report
-
-
[Presentation] Purging of heterospecific genome in the 2011 tsunami-created hybrid stickleback populations2021
Author(s)
Takuya K. Hosoki, Seichi Mori, Shotaro Nishida, Manabu Kume, Atsushi J. Nagano, Hiyu Kambe, Ryo Kakioka, Kenta Nakamoto, Yuki Iino, Masafumi Kodama, Satoki Oba, Yamasaki Y Yo, Jun Kitano
Organizer
日本生態学会第68回大会
Related Report
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
