Autophagy-mediated regulation of reproduction, endosperm development and metabolism in rice.
| Project/Area Number |
15K14681
|
|---|
| Research Category |
Grant-in-Aid for Challenging Exploratory Research
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Plant nutrition/Soil science
|
|---|
| Research Institution | Tokyo University of Science |
|---|
Principal Investigator |
Kuchitsu Kazuyuki 東京理科大学, 理工学部応用生物科学科, 教授 (50211884)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
来須 孝光 東京工科大学, 応用生物学部, 助教 (50422499)
|
|---|
| Project Period (FY) |
2015-04-01 – 2017-03-31
|
| Project Status |
Completed (Fiscal Year 2016)
|
| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
|
|---|
| Keywords | オートファジー / イネ / 脂質 / 登熟 / リサイクル / 病虫害抵抗性 / 胚乳 / タペート細胞 / 種子登熟 / 澱粉 / 花粉 / 雄性不稔 |
|---|
| Outline of Final Research Achievements |
Autophagy, one of the major catabolic pathways in eukaryotic cells, plays critical roles in recycling of proteins and metabolites including lipids, and is involved in many physiological processes including abiotic and biotic stress responses, maintenance of cellular homeostasis, efficient nutrient remobilization at the whole-plant level and biomass production in plants. However, its roles in reproductive development had remained poorly understood. Rice autophagy-deficient mutants showed sporophytic male sterility, failed to accumulate lipidic and starch components in pollen grains at the flowering stage, showed reduced pollen germination activity, and had limited anther dehiscence. We showed that sugar and starch metabolism during seed maturation is also affected in the autophagy-deficient mutant of rice. Phenotypic, microscopic and proteomic analyses revealed critical roles of autophagy in seed development and quality of grains in rice.
|
Report
(3 results)
Research Products
(64 results)
-
-
-
-
-
-
-
-
-
-
-
-
-
[Journal Article] Autophagy supports biomass production and nitrogen use efficiency at the vegetative stage in rice2015
Author(s)
Wada S, Hayashida Y, Izumi M, Kurusu T, Hanamata S, Kanno K, Kojima S, Yamaya T, Kuchitsu K, Makino A, Ishida H
-
Journal Title
Plant Physiology
Volume: in press
Issue: 1
Pages: 60-73
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
-
-
-
-
-
-
-
-
-
[Presentation] Roles of autophagy in rice seed development.2016
Author(s)
Yuri Sera, Takamitsu Kurusu, Shigeru Hanamata, Shingo Sakamoto, Seijiro Ono, Nobutaka Kitahata, Toshiaki Mitsui, Kenichi Nonomura, Nobutaka Mitsuda, Kazuyuki Kuchitsu
Organizer
QBIC Workshop 2016
Place of Presentation
東京理科大学（千葉県・野田市）
Year and Date
2016-10-12
Related Report
Int'l Joint Research
-
[Presentation] イネの花粉成熟・種子登熟におけるオートファジーの役割2016
Author(s)
瀬良ゆり, 陶文紀, 花俣繁, 坂本真吾, 小野聖二郎, 岡咲洋三, 北畑信隆, 小嶋美紀子, 榊原均, 斉藤和季, 野々村賢一, 光田展隆, 来須孝光, 朽津和幸
Organizer
日本植物学会第80回大会
Place of Presentation
沖縄コンベンションセンター（沖縄県・宜野湾市）
Year and Date
2016-09-16
Related Report
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
