The role of kleptoplasts in the survival rates of Elysia timida (Risso, 1818):: (Sacoglossa: Opisthobranchia) during periods of food shortage
The role of kleptoplasts in the survival rates of Elysia timida (Risso, 1818):: (Sacoglossa: Opisthobranchia) during periods of food shortage
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DOI：
10.1016/j.jembe.2008.01.020
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发表时间：
2008-03-31
影响因子：
2
通讯作者：
Muniain, C.
中科院分区：
文献类型：
--
作者：
Casalduero, F. Gimenez;Muniain, C.
在化学、生物分子遗传学和生态学等不同领域，学者们正在研究几种藻类植物光合作用产物的重要性。本研究通过对光照和黑暗条件下饥饿的小披碱草标本的叶绿素浓度、全长和存活率的测定，分析了浮游植物对小披碱草存活率的影响。尽管两种情况下的叶绿素浓度值相似，但28天后，在黑暗中保存的样品显示出比在光照下更大的尺寸缩小和更低的存活率(最高可低30%)。很明显，原生质体为软体动物提供了初级代谢水平的额外能量，以弥补食物的短缺。(C)2008爱思唯尔B.V.保留所有权利。
The importance of photosynthetic products derived from kleptoplasts in several sacoglossan species is being investigated in different fields, such as chemistry, biomolecular genetics and ecology. This study analyzes the effect of kleptoplasts on the survival rates of Elysia timida by evaluating the development of chlorophyll concentration, total length and survival rates of starved E. timida specimens kept in the light and in the dark. Although chlorophyll concentration values were similar in both cases, after 28 days specimens kept in the dark showed a greater size decrease and a lower survival rate (up to 30% lower) than those kept in the light. It is evident that kleptoplasts provide the mollusc with extra energy at the primary metabolism level to compensate for a shortage in food. (C) 2008 Elsevier B.V. All rights reserved.