Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities

Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities

ASLO Aquatic Sciences Meeting, Resilience and Recovery in Aquatic Systems, 4-9 June 2023, Palma de Mallorca, Spain

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Main Authors: Marrasé, Cèlia, Aparicio, Francisco Luis, Romero, Estela, Cortés, Nuria, Caixach, Josep, Harir, Mourad, Schmitt-Kopplin, Philippe, Hertkorn, Norbert, Borrull, Encarnación, Cabrera-Brufau, Miguel, Sala, M. Montserrat, Sebastián, Marta
Format: póster de congreso biblioteca
Language:English
Published: Association for the Sciences of Limnology and Oceanography 2023-06-06
Subjects:Conserve and sustainably use the oceans, seas and marine resources for sustainable development,
Online Access:http://hdl.handle.net/10261/354157
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spelling dig-icm-es-10261-3541572024-04-17T12:25:25Z Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities Marrasé, Cèlia Aparicio, Francisco Luis Romero, Estela Cortés, Nuria Caixach, Josep Harir, Mourad Schmitt-Kopplin, Philippe Hertkorn, Norbert Borrull, Encarnación Cabrera-Brufau, Miguel Sala, M. Montserrat Sebastián, Marta Conserve and sustainably use the oceans, seas and marine resources for sustainable development ASLO Aquatic Sciences Meeting, Resilience and Recovery in Aquatic Systems, 4-9 June 2023, Palma de Mallorca, Spain Dissolved organic matter (DOM) remineralization is limited to a greater or lesser degree at different layers in the ocean. In order to investigate the key abiotic and biotic factors that may enhance DOC remineralization in the deep ocean, we studied the changes in function and structure of deep prokaryotic communities after additions of the same amount of dissolved organic compounds with different quality. We performed experiments with deep sea prokaryotic assemblages subjected to four different treatments: CL (addition of labile DOC), CM (addition of a mix of organic compounds with different lability) and CR (addition of recalcitrant humic acids) and K (control). Prokaryotic biomass markedly increased when the labile compounds or the diverse chemical mixture were added (CL and CM treatments), whereas the prokaryotic response was lower under either the control K or CR treatments. Accordingly, we found lower activity and similar patterns of extracellular enzymatic activities in CR and K compared to CL and CM treatments. In all treatments a decrease in prokaryotic richness consistently occurred along the incubations, but interestingly, the decrease was lower in the control and in the CR treatments. Our results indicate that the chemical diversity of organic matter is a key factor determining microbial structure and activity in the deep ocean Peer reviewed 2024-04-17T12:23:25Z 2024-04-17T12:23:25Z 2023-06-06 póster de congreso ASLO Aquatic Sciences Meeting (2023) http://hdl.handle.net/10261/354157 en Sí none Association for the Sciences of Limnology and Oceanography
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
topic Conserve and sustainably use the oceans, seas and marine resources for sustainable development
Conserve and sustainably use the oceans, seas and marine resources for sustainable development
spellingShingle Conserve and sustainably use the oceans, seas and marine resources for sustainable development
Conserve and sustainably use the oceans, seas and marine resources for sustainable development
Marrasé, Cèlia
Aparicio, Francisco Luis
Romero, Estela
Cortés, Nuria
Caixach, Josep
Harir, Mourad
Schmitt-Kopplin, Philippe
Hertkorn, Norbert
Borrull, Encarnación
Cabrera-Brufau, Miguel
Sala, M. Montserrat
Sebastián, Marta
Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities
description ASLO Aquatic Sciences Meeting, Resilience and Recovery in Aquatic Systems, 4-9 June 2023, Palma de Mallorca, Spain
format póster de congreso
topic_facet Conserve and sustainably use the oceans, seas and marine resources for sustainable development
author Marrasé, Cèlia
Aparicio, Francisco Luis
Romero, Estela
Cortés, Nuria
Caixach, Josep
Harir, Mourad
Schmitt-Kopplin, Philippe
Hertkorn, Norbert
Borrull, Encarnación
Cabrera-Brufau, Miguel
Sala, M. Montserrat
Sebastián, Marta
author_facet Marrasé, Cèlia
Aparicio, Francisco Luis
Romero, Estela
Cortés, Nuria
Caixach, Josep
Harir, Mourad
Schmitt-Kopplin, Philippe
Hertkorn, Norbert
Borrull, Encarnación
Cabrera-Brufau, Miguel
Sala, M. Montserrat
Sebastián, Marta
author_sort Marrasé, Cèlia
title Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities
title_short Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities
title_full Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities
title_fullStr Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities
title_full_unstemmed Dom Quality and Quantity Shape the Function and Structure of Deep Ocean Microbial Communities
title_sort dom quality and quantity shape the function and structure of deep ocean microbial communities
publisher Association for the Sciences of Limnology and Oceanography
publishDate 2023-06-06
url http://hdl.handle.net/10261/354157
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