对甲藻孢囊功能的生态学理解
Towards an Ecological Understanding of Dinoflagellate Cyst Functions.
作者信息
Bravo Isabel, Figueroa Rosa Isabel
机构信息
Spanish Oceanographic Institute, Subida a Radio Faro 50, Vigo 36390, Spain.
Aquatic Ecology, Department of Biology, Lund University, Lund 22362, Sweden.
出版信息
Microorganisms. 2014 Jan 3;2(1):11-32. doi: 10.3390/microorganisms2010011.
The life cycle of many dinoflagellates includes at least one nonflagellated benthic stage (cyst). In the literature, the different types of dinoflagellate cysts are mainly defined based on morphological (number and type of layers in the cell wall) and functional (long- or short-term endurance) differences. These characteristics were initially thought to clearly distinguish pellicle (thin-walled) cysts from resting (double-walled) dinoflagellate cysts. The former were considered short-term (temporal) and the latter long-term (resting) cysts. However, during the last two decades further knowledge has highlighted the great intricacy of dinoflagellate life histories, the ecological significance of cyst stages, and the need to clarify the functional and morphological complexities of the different cyst types. Here we review and, when necessary, redefine the concepts of resting and pellicle cysts, examining both their structural and their functional characteristics in the context of the life cycle strategies of several dinoflagellate species.
许多甲藻的生命周期包括至少一个无鞭毛的底栖阶段（孢囊）。在文献中，不同类型的甲藻孢囊主要是根据形态学（细胞壁中层数和类型）和功能（长期或短期耐受性）差异来定义的。这些特征最初被认为可以清楚地区分薄膜（薄壁）孢囊和休眠（双壁）甲藻孢囊。前者被认为是短期（临时）孢囊，后者是长期（休眠）孢囊。然而，在过去二十年中，更多的知识凸显了甲藻生活史的极大复杂性、孢囊阶段的生态意义，以及阐明不同孢囊类型的功能和形态复杂性的必要性。在这里，我们回顾并在必要时重新定义休眠孢囊和薄膜孢囊的概念，在几种甲藻物种的生命周期策略背景下研究它们的结构和功能特征。
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