An introduction to the biogeography of aquatic microbes
An introduction to the biogeography of aquatic microbes
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DOI：
10.3354/ame041039
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发表时间：
2005-11-11
影响因子：
1.4
通讯作者：
Dolan, JR
中科院分区：
文献类型：
--
作者：
Dolan, JR
水生微生物，像所有的生物一样，也有生物地理学，但这一主题引起的关注相对较少。在这篇综述中，总结了利用分子生物学技术的最新成果，以透视这一主题部分的研究。所考虑的研究涉及异养共生原核和真核微生物之间的大规模空间分布模式。对于淡水浮游细菌群落，报告的模式并不一致。分类的丰富性可能会增加系统的大小，和组成可能与相邻的水体。然而，模式的不一致可能是由于所考虑的时间和空间尺度的差异。在浮游海洋原核生物中，生物地理模式仅在高级类群方面已知，例如太古界可能在深海沃茨中占主导地位。然而，对大规模模式的研究才刚刚开始，他们认为一些核糖体类型或物种可能仅限于某些海洋区域。真核微生物似乎以高扩散和基因流动能力为特征。最近的研究似乎得出结论，我们可以形成形态，遗传和生理分组，但它们的相互关系在这个时候是模糊的。
Aquatic microbes, like all organisms, have biogeographies, but this subject has attracted relatively little attention. In this review, recent results exploiting techniques of molecular biology are summarized to place in perspective the studies of this Theme Section. The studies considered concern large-scale patterns of spatial distribution among heterotrophic planktonic prokaryotic and eukaryotic microbes. For freshwater bacterioplankton communities, reported patterns are inconsistent. Taxonomic richness may increase with system size, and composition may be related among neighboring bodies of water. However, inconsistencies in patterns may be due to differences in the temporal and spatial scales considered. Among planktonic marine prokaryotes, biogeographic patterns are known only in terms of high level groups, e.g. Archea are perhaps dominant in deep oceanic waters. However, studies of large-scale patterns have just begun and they suggest that some ribotypes or species may be restricted to certain oceanic areas. Eukaryotic microbes appear to characterised by high capacities for both dispersal and gene flow. Recent studies appear to conclude that we can form morphological, genetic and physiological groupings but their inter-relationships are obscure at this point in time.