| Anthropogenic perturbations in marine microbial communities. | |
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MedLine Citation:
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PMID: 20738403 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Human activities impact marine ecosystems at a global scale and all levels of complexity of life. Despite their importance as key players in ecosystem processes, the stress caused to microorganisms has been greatly neglected. This fact is aggravated by difficulties in the analysis of microbial communities and their high diversity, making the definition of patterns difficult. In this review, we discuss the effects of nutrient increase, pollution by organic chemicals and heavy metals and the introduction of antibiotics and pathogens into the environment. Microbial communities respond positively to nutrients and chemical pollution by increasing cell numbers. There are also significant changes in community composition, increases in diversity and high temporal variability. These changes, which evidence the modification of the environmental conditions due to anthropogenic stress, usually alter community functionality, although this aspect has not been explored in depth. Altered microbial communities in human-impacted marine environments can in turn have detrimental effects on human health (i.e. spread of pathogens and antibiotic resistance). New threats to marine ecosystems, i.e. related to climate change, could also have an impact on microbial communities. Therefore, an effort dedicated to analyse the microbial compartment in detail should be made when studying the impact of anthropogenic activities on marine ecosystems. |
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Authors:
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Balbina Nogales; Mariana P Lanfranconi; Juana M Piña-Villalonga; Rafael Bosch |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: FEMS microbiology reviews Volume: 35 ISSN: 1574-6976 ISO Abbreviation: FEMS Microbiol. Rev. Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-02-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8902526 Medline TA: FEMS Microbiol Rev Country: England |
Other Details:
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Languages: eng Pagination: 275-98 Citation Subset: IM |
Copyright Information:
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© 2010 Federation of European Microbiological Societies. Published by Blackwell Publishing Ltd. All rights reserved. |
Affiliation:
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Microbiologia, Departament de Biologia, Universitat de les Illes Balears, Palma de Mallorca, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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