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  1. 学術雑誌論文
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High tolerance of symbiotic larvae of Pocillopora damicornis to thermal stress

http://hdl.handle.net/20.500.12000/47248
http://hdl.handle.net/20.500.12000/47248
59593605-0c8b-4d40-86d9-87b33b88f284
名前 / ファイル ライセンス アクション
s40555-015-0134-7.pdf s40555-015-0134-7.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2020-11-17
タイトル
タイトル High tolerance of symbiotic larvae of Pocillopora damicornis to thermal stress
言語 en
作成者 Haryanti, Dwi

× Haryanti, Dwi

en Haryanti, Dwi

Yasuda, Naoko

× Yasuda, Naoko

en Yasuda, Naoko

Harii, Saki

× Harii, Saki

en Harii, Saki

Hidaka, Michio

× Hidaka, Michio

en Hidaka, Michio

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
言語 en
権利情報 Creative Commons Attribution 4.0
言語 en
権利情報Resource https://creativecommons.org/licenses/by/4.0/
権利情報 https://creativecommons.org/licenses/by/4.0/
主題
言語 en
主題Scheme Other
主題 Apoptosis
言語 en
主題Scheme Other
主題 Bleaching
言語 en
主題Scheme Other
主題 Coral
言語 en
主題Scheme Other
主題 Larvae
言語 en
主題Scheme Other
主題 Survivorship
言語 en
主題Scheme Other
主題 Symbiosis
内容記述
内容記述タイプ Other
内容記述 Background: When coral planulae, which use a horizontal mode of symbiont transmission, are inoculated with Symbiodinium, they suffer greater oxidative stress under strong light or high-temperature stress than non-symbiotic counterparts. Thus, dinoflagellate symbionts may become a source of reactive oxygen species (ROS) under stress. However, it remains unknown whether vertically transmitted symbionts negatively affect coral larvae under stress. We investigated the thermal tolerance of symbiotic planulae of a vertical transmitter coral, Pocillopora damicornis.\nResults: P. damicornis larvae, which have a large number of symbionts, survived the high-temperature treatment (32 °C) for 2 weeks. Significant reductions in Symbiodinium cell density were observed, but these did not lead to increased mortality of planulae during the 2-week experimental period. Although no significant difference was detected in the percentage of apoptotic cells between temperature treatment groups, pre-bleaching larvae exposed to 31 °C tended to exhibit higher percentages of apoptotic (TUNEL-positive) cells in the gastrodermis than 32 °C-treated larvae, which contained reduced numbers of Symbiodinium cells.\nConclusions: Symbiotic larvae of P. damicornis survived well under high-temperature conditions, although their Symbiodinium cell density decreased. This suggests that P. damicornis larvae have the capacity to reduce the symbiont cell density without a harmful effect on their survivorship under thermal stress. Further studies on antioxidant systems and possible suppression of apoptotic pathways are necessary to elucidate the mechanism underlying the high thermal tolerance of symbiotic larvae of P. damicornis.
内容記述タイプ Other
内容記述 論文
出版者
言語 en
出版者 Springer Nature
言語
言語 eng
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/47248
識別子タイプ HDL
関連情報
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1186/s40555-015-0134-7
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1186/s40555-015-0134-7
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 1810-522X
収録物名
言語 en
収録物名 Zoological Studies
書誌情報
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