Microbial oceanography of the dark ocean's pelagic realm

J Arístegui, JM Gasol, CM Duarte… - Limnology and …, 2009 - Wiley Online Library
The pelagic realm of the dark ocean represents a key site for remineralization of organic
matter and long‐term carbon storage and burial in the biosphere. It contains the largest pool …

Microbial assemblages for environmental quality assessment: knowledge, gaps and usefulness in the European Marine Strategy Framework Directive

G Caruso, R La Ferla, M Azzaro, A Zoppini… - Critical reviews in …, 2016 - Taylor & Francis
Abstract The EU Marine Strategy Framework Directive 2008/56/EC (MSFD) defines a
framework for Community actions in the field of marine environmental policy in order to …

Emerging concepts on microbial processes in the bathypelagic ocean–ecology, biogeochemistry, and genomics

T Nagata, C Tamburini, J Arístegui, F Baltar… - Deep Sea Research …, 2010 - Elsevier
This paper synthesizes recent findings regarding microbial distributions and processes in
the bathypelagic ocean (depth> 1000m). Abundance, production and respiration of …

Prokaryotic extracellular enzymatic activity in relation to biomass production and respiration in the meso‐and bathypelagic waters of the (sub) tropical Atlantic

F Baltar, J Arístegui, E Sintes… - Environmental …, 2009 - Wiley Online Library
Prokaryotic extracellular enzymatic activity, abundance, heterotrophic production and
respiration were determined in the meso‐and bathypelagic (sub) tropical North Atlantic …

Community structural differences shape microbial responses to high molecular weight organic matter

JP Balmonte, A Buckley, A Hoarfrost… - Environmental …, 2019 - Wiley Online Library
The extent to which differences in microbial community structure result in variations in
organic matter (OM) degradation is not well understood. Here, we tested the hypothesis that …

The dark portion of the Mediterranean Sea is a bioreactor of organic matter cycling

GM Luna, S Bianchelli, F Decembrini… - Global …, 2012 - Wiley Online Library
Total prokaryotic abundance, prokaryotic heterotrophic production and enzymatic activities
were investigated in epi‐, meso‐and bathypelagic waters along a longitudinal transect …

A sea change in microbial enzymes: Heterogeneous latitudinal and depth‐related gradients in bulk water and particle‐associated enzymatic activities from 30° S to 59 …

JP Balmonte, M Simon, HA Giebel… - Limnology and …, 2021 - Wiley Online Library
Heterotrophic microbes initiate the degradation of high molecular weight organic matter
using extracellular enzymes. Our understanding of differences in microbial enzymatic …

[HTML][HTML] Microbial enzymes in the Mediterranean Sea: Relationship with climate changes

R Zaccone, G Caruso - AIMS microbiology, 2019 - ncbi.nlm.nih.gov
In most of the aquatic ecosystems, microorganisms are major players in the biogeochemical
and nutrients cycles (Carbon Nitrogen, Phosphorus), through their enzymatic activities …

Microbial degradation at a shallow coastal site: Long-term spectra and rates of exoenzymatic activities in the NE Adriatic Sea

M Celussi, P Del Negro - Estuarine, Coastal and Shelf Science, 2012 - Elsevier
The degradation of organic matter along the water column is mediated by enzymes released
into the environment by planktonic organisms. Variations in enzymes profiles (types and …

Bacterial versus archaeal origin of extracellular enzymatic activity in the Northeast Atlantic deep waters

F Baltar, J Arístegui, JM Gasol, T Yokokawa, GJ Herndl - Microbial ecology, 2013 - Springer
We determined the total and dissolved extracellular enzymatic activity (EEA) of α-
glucosidase and β-glucosidase (AGase and BGase), alkaline phosphatase (APase) and …