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Mutational Breeding of Salt-Resistant Chlamydomonas sp. Strains Reveals Salinity Stress-Activated Starch-to-Lipid Biosynthesis Switching
https://repo.qst.go.jp/records/56081
https://repo.qst.go.jp/records/5608185643d2c-3b9a-4aae-b8e5-89b5c0f802a3
| Item type | 一般雑誌記事 / Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2018-03-13 | |||||
| タイトル | ||||||
| タイトル | Mutational Breeding of Salt-Resistant Chlamydomonas sp. Strains Reveals Salinity Stress-Activated Starch-to-Lipid Biosynthesis Switching | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Kato, Yuichi
× Kato, Yuichi× Ho, Shih-Hsin× Ogino, Chiaki× Hasunuma, Tomohisa× 佐藤, 勝也× 大野, 豊× Kondo, Akihiko× 佐藤 勝也× 大野 豊 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | High salinity stimulates lipid accumulation in the green microalga Chlamydomonas sp. JSC4 by activating a starch-to-lipid biosynthesis switching mechanism. The aim of this study was to improve JSC4 algal biomass production under high salinity conditions by breeding a salt-resistant strain. Microalgal cells seeded on agar plates were irradiated with 50 Gy of the carbon ion beams at TIARA. After long-term and continuous cultivation with high salinity, the salt-resistant strain (KHI) that grow well even in the presence of 7% sea salt was successfully obtained. Under 7% sea salt, the KHI showed the biomass productions, while that of JSC4 did not. The KHI showed higher starch and lipid contents under 7% sea salt, , while that of JSC4 also did not. These results suggest that high salinity stress, not the salinity condition itself, is important for activating lipid accumulation mechanisms in microalgae. | |||||
| 書誌情報 |
QST Takasaki Annual Report 2016 発行日 2018-03 |
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