Microbial ecology in aquatic systems: a review from viruses to protozoa
Recent advancements in the ecology of aquatic microbial communities, i.e. from viruses to protozoa, are summarized in this paper. The abundance and both taxonomic and functional diversities of microorganisms in the sea and in inland waters indicate that microbes play a key role in nutrient cycling a...
Published in: | Revue des sciences de l'eau |
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Main Authors: | , , , , , |
Other Authors: | , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2005
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Subjects: | |
Online Access: | http://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://hal.archives-ouvertes.fr/hal-00528623 https://doi.org/10.7202/705336ar https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar/ http://id.erudit.org/iderudit/705336ar https://www.erudit.org/revue/rseau/1998/v11/nrseau3294/705336ar.html?vue=resume https://core.ac.uk/display/59609971 https://academic.microsoft.com/#/detail/1669151306 https://id.erudit.org/iderudit/705336ar |
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Communauté microbienne Virus Protozoa Bactérie Cycle biogéochimique Flux énergétique Réseau trophique Relation trophique Enumération Activité microbienne Milieu aquatique Article synthèse Ecologie Limnologie Sciences Humaines et Sociales Social Sciences and Humanities Milieux aquatiques écologie microbienne bactéries protozoaires boucle microbienne Aquatic systems microbial ecology viruses bacteria microbial loop envir geo |
spellingShingle |
Communauté microbienne Virus Protozoa Bactérie Cycle biogéochimique Flux énergétique Réseau trophique Relation trophique Enumération Activité microbienne Milieu aquatique Article synthèse Ecologie Limnologie Sciences Humaines et Sociales Social Sciences and Humanities Milieux aquatiques écologie microbienne bactéries protozoaires boucle microbienne Aquatic systems microbial ecology viruses bacteria microbial loop envir geo X. Gayte Télesphore Sime-Ngando Christian Amblard Gilles Bourdier J.-C. Boisson Dominique Fontvieille Microbial ecology in aquatic systems: a review from viruses to protozoa |
topic_facet |
Communauté microbienne Virus Protozoa Bactérie Cycle biogéochimique Flux énergétique Réseau trophique Relation trophique Enumération Activité microbienne Milieu aquatique Article synthèse Ecologie Limnologie Sciences Humaines et Sociales Social Sciences and Humanities Milieux aquatiques écologie microbienne bactéries protozoaires boucle microbienne Aquatic systems microbial ecology viruses bacteria microbial loop envir geo |
description |
Recent advancements in the ecology of aquatic microbial communities, i.e. from viruses to protozoa, are summarized in this paper. The abundance and both taxonomic and functional diversities of microorganisms in the sea and in inland waters indicate that microbes play a key role in nutrient cycling and energy flows in aquatic ecosystems. In recent years, aquatic microbiology has indeed undergone profound changes due to the improvement of methods for identifying, counting, and essaying biochemical composition and metabolic activities of aquatic microbial assemblages. Specifically, the impact of new developments in microscopy (e.g. epifluorescence, immunofluorescence.) and in cell and molecular biology has allowed to realize that microbes are omnipresent in aquatic systems (including extreme environments such as Arctic, Antarctic, Deep ocean, Hydrothermal vents.). Derived from direct counting under epifluorescence microscope that is able to visualize cellular pigment autofluorescence, recent total numbers of pelagic microbes generally vary from 105 and 102 cells ml-1 in oligotrophic systems, to 107 and 105 cells ml-1 in productive waters, for heterotrophic bacteria and heterotrophic flagellated protists, respectively. These bacterial numbers are significantly higher than previous estimates, derived from the indirect method of growing bacterial cells in selective culture medium. The use of adequate fixatives has allowed the counting of ciliated protozooplankton (range: bacteria --> protozoa.), that can act as a significant mediator of energy transfer to the upper trophic levels, by recovering part of the primary production that would otherwise be lost from the system. Part of protistan grazing activity is from mixotrophic protists whose, in some lakes and during certain seasons, can dominate the total bacterivory. In general, predator-prey interactions among protists are as complex as those among metazoa, and chemical communications may operate as well as behavioral and polymorphic adaptations.Even though the ... |
author2 |
Laboratoire Microorganismes : Génome et Environnement (LMGE) Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Centre National de la Recherche Scientifique (CNRS)-Université d'Auvergne - Clermont-Ferrand I (UdA) Laboratoire des Sciences de l'Environnement (LSE-ENTPE) École Nationale des Travaux Publics de l'État (ENTPE)-Université de Lyon-Ministère de l'Ecologie, du Développement Durable, des Transports et du Logement Groupe de recherche sur les échanges trophiques aux interfaces (GRETI) Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques (CARRTEL) Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Institut National de la Recherche Agronomique (INRA) Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry ) |
format |
Article in Journal/Newspaper |
author |
X. Gayte Télesphore Sime-Ngando Christian Amblard Gilles Bourdier J.-C. Boisson Dominique Fontvieille |
author_facet |
X. Gayte Télesphore Sime-Ngando Christian Amblard Gilles Bourdier J.-C. Boisson Dominique Fontvieille |
author_sort |
X. Gayte |
title |
Microbial ecology in aquatic systems: a review from viruses to protozoa |
title_short |
Microbial ecology in aquatic systems: a review from viruses to protozoa |
title_full |
Microbial ecology in aquatic systems: a review from viruses to protozoa |
title_fullStr |
Microbial ecology in aquatic systems: a review from viruses to protozoa |
title_full_unstemmed |
Microbial ecology in aquatic systems: a review from viruses to protozoa |
title_sort |
microbial ecology in aquatic systems: a review from viruses to protozoa |
publisher |
HAL CCSD |
publishDate |
2005 |
url |
http://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://hal.archives-ouvertes.fr/hal-00528623 https://doi.org/10.7202/705336ar https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar/ http://id.erudit.org/iderudit/705336ar https://www.erudit.org/revue/rseau/1998/v11/nrseau3294/705336ar.html?vue=resume https://core.ac.uk/display/59609971 https://academic.microsoft.com/#/detail/1669151306 https://id.erudit.org/iderudit/705336ar |
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Arctic Antarctic |
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Arctic Antarctic |
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Antarc* Antarctic Arctic |
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Antarc* Antarctic Arctic |
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fttriple:oai:gotriple.eu:50|dedup_wf_001::3ab1c2c725629c7bcf3a68cdc89fa5e0 2023-05-15T14:03:58+02:00 Microbial ecology in aquatic systems: a review from viruses to protozoa X. Gayte Télesphore Sime-Ngando Christian Amblard Gilles Bourdier J.-C. Boisson Dominique Fontvieille Laboratoire Microorganismes : Génome et Environnement (LMGE) Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Centre National de la Recherche Scientifique (CNRS)-Université d'Auvergne - Clermont-Ferrand I (UdA) Laboratoire des Sciences de l'Environnement (LSE-ENTPE) École Nationale des Travaux Publics de l'État (ENTPE)-Université de Lyon-Ministère de l'Ecologie, du Développement Durable, des Transports et du Logement Groupe de recherche sur les échanges trophiques aux interfaces (GRETI) Centre Alpin de Recherche sur les Réseaux Trophiques et Ecosystèmes Limniques (CARRTEL) Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Institut National de la Recherche Agronomique (INRA) Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Institut National de la Recherche Agronomique (INRA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry ) 2005-04-12 http://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://hal.archives-ouvertes.fr/hal-00528623 https://doi.org/10.7202/705336ar https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar/ http://id.erudit.org/iderudit/705336ar https://www.erudit.org/revue/rseau/1998/v11/nrseau3294/705336ar.html?vue=resume https://core.ac.uk/display/59609971 https://academic.microsoft.com/#/detail/1669151306 https://id.erudit.org/iderudit/705336ar en eng HAL CCSD http://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar.pdf https://hal.archives-ouvertes.fr/hal-00528623 http://dx.doi.org/10.7202/705336ar https://www.erudit.org/fr/revues/rseau/1998-v11-rseau3294/705336ar/ http://id.erudit.org/iderudit/705336ar https://www.erudit.org/revue/rseau/1998/v11/nrseau3294/705336ar.html?vue=resume https://core.ac.uk/display/59609971 https://academic.microsoft.com/#/detail/1669151306 https://id.erudit.org/iderudit/705336ar undefined oai:HAL:hal-00528623v1 705336ar 10.7202/705336ar 1669151306 oai:erudit.org:705336ar 10|opendoar____::d3e8fc83b3e886a0dc2aa9845a5215bf 10|opendoar____::e98741479a7b998f88b8f8c9f0b6b6f1 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 10|issn___print::130cf49e979129942002da43f89d0654 10|openaire____::8ac8380272269217cb09a928c8caa993 10|openaire____::5f532a3fc4f1ea403f37070f59a7a53a 10|opendoar____::18bb68e2b38e4a8ce7cf4f6b2625768c 10|opendoar____::2cad8fa47bbef282badbb8de5374b894 10|opendoar____::d9731321ef4e063ebbee79298fa36f56 10|opendoar____::16e6a3326dd7d868cbc926602a61e4d0 10|opendoar____::7e7757b1e12abcb736ab9a754ffb617a 10|opendoar____::1534b76d325a8f591b52d302e7181331 Communauté microbienne Virus Protozoa Bactérie Cycle biogéochimique Flux énergétique Réseau trophique Relation trophique Enumération Activité microbienne Milieu aquatique Article synthèse Ecologie Limnologie Sciences Humaines et Sociales Social Sciences and Humanities Milieux aquatiques écologie microbienne bactéries protozoaires boucle microbienne Aquatic systems microbial ecology viruses bacteria microbial loop envir geo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2005 fttriple https://doi.org/10.7202/705336ar 2023-01-22T17:16:17Z Recent advancements in the ecology of aquatic microbial communities, i.e. from viruses to protozoa, are summarized in this paper. The abundance and both taxonomic and functional diversities of microorganisms in the sea and in inland waters indicate that microbes play a key role in nutrient cycling and energy flows in aquatic ecosystems. In recent years, aquatic microbiology has indeed undergone profound changes due to the improvement of methods for identifying, counting, and essaying biochemical composition and metabolic activities of aquatic microbial assemblages. Specifically, the impact of new developments in microscopy (e.g. epifluorescence, immunofluorescence.) and in cell and molecular biology has allowed to realize that microbes are omnipresent in aquatic systems (including extreme environments such as Arctic, Antarctic, Deep ocean, Hydrothermal vents.). Derived from direct counting under epifluorescence microscope that is able to visualize cellular pigment autofluorescence, recent total numbers of pelagic microbes generally vary from 105 and 102 cells ml-1 in oligotrophic systems, to 107 and 105 cells ml-1 in productive waters, for heterotrophic bacteria and heterotrophic flagellated protists, respectively. These bacterial numbers are significantly higher than previous estimates, derived from the indirect method of growing bacterial cells in selective culture medium. The use of adequate fixatives has allowed the counting of ciliated protozooplankton (range: bacteria --> protozoa.), that can act as a significant mediator of energy transfer to the upper trophic levels, by recovering part of the primary production that would otherwise be lost from the system. Part of protistan grazing activity is from mixotrophic protists whose, in some lakes and during certain seasons, can dominate the total bacterivory. In general, predator-prey interactions among protists are as complex as those among metazoa, and chemical communications may operate as well as behavioral and polymorphic adaptations.Even though the ... Article in Journal/Newspaper Antarc* Antarctic Arctic Unknown Arctic Antarctic Revue des sciences de l'eau 11 145 162 |