| DOI: | 10.1111/ele.12478
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| Scopus记录号: | 2-s2.0-84939581424
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| 论文题名: | Microbial ecosystems are dominated by specialist taxa |
| 作者: | Mariadassou M.; Pichon S.; Ebert D.
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| 刊名: | Ecology Letters
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| ISSN: | 1461023X
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| EISSN: | 1461-0248
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| 出版年: | 2015
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| 卷: | 18, 期:9 | | 起始页码: | 974
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| 结束页码: | 982
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| 语种: | 英语
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| 英文关键词: | Abundance
; Beta-diversity
; Communities
; Microbial ecology
; Microbiota
; Specialist taxa
; Specificity
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| Scopus关键词: | abundance
; biodiversity
; data set
; dominance
; environmental conditions
; habitat type
; microbial activity
; microbial community
; microorganism
; population distribution
; taxonomy
; animal
; biodiversity
; biological model
; Daphnia
; DNA sequence
; ecosystem
; human
; microbial consortium
; microbiology
; microflora
; sediment
; zooplankton
; Animals
; Biodiversity
; Daphnia
; Ecosystem
; Geologic Sediments
; Humans
; Microbial Consortia
; Microbiota
; Models, Biological
; Sequence Analysis, DNA
; Water Microbiology
; Zooplankton
|
| 英文摘要: | Abundance and specificity are two key characteristics of species distribution and biodiversity. Theories of species assembly aim to reproduce the empirical joint patterns of specificity and abundance, with the goal to explain patterns of biodiversity across habitats. The specialist-generalist paradigm predicts that specialists should have a local advantage over generalists and thus be more abundant. We developed a specificity index to analyse abundance-specificity relationships in microbial ecosystems. By analysing microbiota spanning 23 habitats from three very different data sets covering a wide range of sequencing depths and environmental conditions, we find that habitats are consistently dominated by specialist taxa, resulting in a strong, positive correlation between abundance and specificity. This finding is consistent over several levels of taxonomic aggregation and robust to errors in abundance measures. The relationship explains why shallow sequencing captures similar β-diversity as deep sequencing, and can be sufficient to capture the habitat-specific functions of microbial communities. © 2015 John Wiley & Sons Ltd/CNRS. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/107894
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| Appears in Collections: | 气候减缓与适应
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作者单位: | Universität Basel, Zoologisches Institut Vesalgasse 1, Basel, Switzerland
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| Recommended Citation: | |
Mariadassou M.,Pichon S.,Ebert D.. Microbial ecosystems are dominated by specialist taxa[J]. Ecology Letters,2015-01-01,18(9)
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