Characterization of free endogenous sphingoid bases in the golden apple snail Pomacea canaliculata: involvement in snail development and nutrient limitation
文献类型: 外文期刊
第一作者: Yang, Qiong
作者: Yang, Qiong;Yang, Qiong;Li, Xiwang;Lin, Xianwen;Zhou, Ying;Cheng, Jiaan;Zhu, Zengrong;Yang, Qiong;Li, Xiwang;Lin, Xianwen;Zhou, Ying;Cheng, Jiaan;Zhu, Zengrong;Yuan, Jingqun;Wang, Huadi;Mao, Cungui
作者机构:
关键词: Mollusca;Gastropoda;sphingosine;development;nutrient limitation;HPLC
期刊名称:INVERTEBRATE REPRODUCTION & DEVELOPMENT ( 影响因子:0.952; 五年影响因子:1.174 )
ISSN: 0792-4259
年卷期: 2013 年 57 卷 4 期
页码:
收录情况: SCI
摘要: A high-performance liquid chromatography-based method was developed for the analysis of free sphingoid bases endogenous to the golden apple snail (Pomacea canaliculata). Four molecular species of free endogenous sphingoid bases were observed in the snail and identified as C-14 and C-16 sphingosine (SPH), C-14 dihydrosphingosine, and C-16 sphingadienes with Delta-4,6 conjugated double bonds (Delta-4,6-C-16 sphingadienes). When free endogenous sphingoid bases were evaluated at different stages of development of P. canaliculata, it was found that all four sphingoid bases decreased significantly from a young age to adulthood. We also found that the amount of C-14 SPH decreased significantly in the food-restricted snails compared to animals with an adequate food supply, suggesting that nutrient deprivation decreases the levels of the sphingoid base. Taken together, these results suggest that sphingoid bases may play roles in the development of the golden apple snail and its stress response to nutrient limitation.
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