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Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences >
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Ethylene regulation of sexual reproduction in the marine red alga Pyropia yezoensis (Rhodophyta)
| Title: | Ethylene regulation of sexual reproduction in the marine red alga Pyropia yezoensis (Rhodophyta) |
| Authors: | Uji, Toshiki Browse this author →KAKEN DB | | Matsuda, Ryuya Browse this author | | Takechi, Katsuaki Browse this author →KAKEN DB | | Takano, Hiroyoshi Browse this author →KAKEN DB | | Mizuta, Hiroyuki Browse this author →KAKEN DB | | Takio, Susumu Browse this author →KAKEN DB |
| Keywords: | ethylene | | oxidative stress | | Pyropia | | red algae | | sexual reproduction |
| Issue Date: | Dec-2016 |
| Publisher: | Springer |
| Journal Title: | Journal of Applied Phycology |
| Volume: | 28 |
| Issue: | 6 |
| Start Page: | 3501 |
| End Page: | 3509 |
| Publisher DOI: | 10.1007/s10811-016-0904-6 |
| Abstract: | Plant growth regulators (PGRs) play a pivotal role in vascular plants, regulating growth, development, and stress responses; however, the role of PGRs in algae remains largely unexplored. Here, the role of ethylene, a simple plant growth regulator, was demonstrated in sexual reproduction of the marine red alga Pyropia yezoensis. Application of the ethylene precursor 1-aminocylopropane-1-carboxylic acid (ACC) promoted the formation of spermatia and zygotospores in the gametophytes as well as ethylene production, whereas the growth rate was repressed in comparison to gametophytes not treated with ACC. In addition, gametophytes treated with ACC and mature gametophytes showed enhanced tolerance to oxidative stress. Gene expression profiles revealed upregulation of genes involved in cell division and stress response in gametophytes treated with ACC and in mature gametophytes. These results indicate that ethylene plays an important role in the regulation of gamete formation and protection against stress-induced damage during the sexual reproductive stage. Considered together, these findings demonstrate that ethylene is involved in regulating the switching from a vegetative to a sexual reproductive phase in P. yezoensis. |
| Rights: | The final publication is available at link.springer.com |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/75476 |
| Appears in Collections: | 水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 宇治 利樹
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