Short-term retention of kleptoplasty from a green alga (Bryopsis) in the sea slug Placida sp YS001

文献类型： 外文期刊

第一作者： Fan, Xiao

作者： Fan, Xiao;Xu, Dong;Zhang, Xiaowen;Mou, Shanli;Ye, Naihao;Cao, Shaona;Wang, Yitao;Qiao, Hongjin

作者机构：

关键词： short-term endosymbiosis;Placida sp.;kleptoplasty;Bryopsis hypnoides;morphological adaptation

期刊名称：BIOLOGIA （ 影响因子：1.35； 五年影响因子：1.139 ）

ISSN： 0006-3088

年卷期： 2014 年 69 卷 5 期

页码：

收录情况： SCI

摘要： The capacity of sea slugs (sacoglossans) for retaining chloroplasts from food algae provides important insights into endosymbiotic relationships and kleptoplasty. A sea slug species was captured accidentally in the Yellow Sea and identified as Placida sp. YS001 based on phylogenetic analyses of the COX1 and 16S gene sequence. Its life cycle was recorded using microscope. Photosynthetic analysis by pulse amplitude modulated fluorometry during starvation revealed short-term functional kleptoplasty. An ultrastructural comparison of the slug and alga showed that a change in the chloroplast structure and the phagosome might correspond to short-term endosymbiosis. The horizontally transferred genes, psbO and lectin, were not cloned in the adults or eggs. This study demonstrates the morphological adaptation that occurs during short-term endosymbiotic relationships and provides fresh insights.

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