Nature Search

Multifunctionally diverse alkaline phosphatases of Alteromonas drive the phosphorus cycle in the ocean

This study shows that Alteromonas is a key driver of phosphorus recycling in the ocean and that its alkaline phosphatases are multifunctional—with different families coexisting in one genome by adopting distinct functions and secretion strategies.

Daniel E. M. Saavedra
José M. González
Federico Baltar
ResearchOpen Access07 Nov 2025
Nature Communications

Volume: 16, P: 1-12
Mesoscale eddies: hotspots of prokaryotic activity and differential community structure in the ocean

Federico Baltar
Javier Arístegui
Gerhard J Herndl
Research01 Apr 2010
The ISME Journal

Volume: 4, P: 975-988
Viruses under the Antarctic Ice Shelf are active and potentially involved in global nutrient cycles

The diversity and impact of viruses in remote marine environments are less well understood. In this study, the authors analyse an -omics dataset to gain insights into the genomics and potential role of endemic viruses infecting ecologically important microbes inhabiting the ocean cavity beneath the Ross Ice Shelf.

Javier Lopez-Simon
Marina Vila-Nistal
Manuel Martinez-Garcia
ResearchOpen Access14 Dec 2023
Nature Communications

Volume: 14, P: 1-10
A ubiquitous gammaproteobacterial clade dominates expression of sulfur oxidation genes across the mesopelagic ocean

Sampling beneath the Ross Ice Shelf in Antarctica coupled to global sequencing datasets reveals an important but overlooked contributor to deep ocean carbon and sulfur cycles.

Federico Baltar
Clara Martínez-Pérez
José M. González
Research24 Apr 2023
Nature Microbiology

Volume: 8, P: 1137-1148
Organic matter degradation by oceanic fungi differs between polar and non-polar waters

The role of pelagic fungi in organic matter degradation across polar and non-polar oceans is less well studied. Here, the authors show that taxonomically distinct CAZyme and peptidase profiles reflect niche partitioning among polar and non-polar fungal communities shaped by substrate availability and temperature.

Kangli Guo
Zihao Zhao
Federico Baltar
ResearchOpen Access15 Aug 2025
Nature Communications

Volume: 16, P: 1-15
Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf

The Ross Ice Shelf is the most extensive ice shelf of Antarctica and isolates the underlying ocean from sunlight. Here the authors use multi-omics to unravel the phylogenetic and functional diversity of microbial life in this ecosystem.

Clara Martínez-Pérez
Chris Greening
Federico Baltar
ResearchOpen Access10 Jan 2022
Nature Communications

Volume: 13, P: 1-15
Ayu: a machine intelligence tool for identification of extracellular proteins in the marine secretome

This study presents ‘Ayu,’ a machine learning tool to predict secreted proteins in marine metagenomic datasets. The authors show that Ayu could recover more than double the proteins in the Tara Oceans dataset, enhancing our understanding of the marine secretome.

Asier Zaragoza-Solas
Federico Baltar
ResearchOpen Access21 Mar 2025
Nature Communications

Volume: 16, P: 1-11
LucaPCycle: Illuminating microbial phosphorus cycling in deep-sea cold seep sediments using protein language models

The microbial processes involved in deep sea phosphorous cycling are unclear. Here, the authors develop a deep learning model, LucaPCycle, identifying alkaline phosphatase families and archaea that contribute to phosphorous cycling in deep sea cold seeps.

Chuwen Zhang
Yong He
Xiyang Dong
ResearchOpen Access26 May 2025
Nature Communications

Volume: 16, P: 1-16
Metaproteomic analysis decodes trophic interactions of microorganisms in the dark ocean

This study analysed metaproteomic samples collected from the Pacific, Atlantic and Southern Oceans to reveal size-fractionated patterns of the structure and function of the marine microbiota protein pool in the water column.

Zihao Zhao
Chie Amano
Gerhard J. Herndl
ResearchOpen Access30 Jul 2024
Nature Communications

Volume: 15, P: 1-15
Salp blooms drive strong increases in passive carbon export in the Southern Ocean

Gelatinous bloom-forming zooplankton—salps—alter microbial communities and quintuple the flux of sinking particles from the surface to the deep, strongly enhancing the ability of the ocean to sequester CO₂.

Moira Décima
Michael R. Stukel
Matt Pinkerton
ResearchOpen Access02 Feb 2023
Nature Communications

Volume: 14, P: 1-16
Changes in microbial community phylogeny and metabolic activity along the water column uncouple at near sediment aphotic layers in fjords

Sven P. Tobias-Hünefeldt
Stephen R. Wing
Sergio E. Morales
ResearchOpen Access29 Sept 2021
Scientific Reports

Volume: 11, P: 1-7
Molecular hydrogen in seawater supports growth of diverse marine bacteria

Genome-resolved metagenomics, biogeochemistry, modelling and culture-based analysis reveal that marine bacteria consume H₂ to support growth.

Rachael Lappan
Guy Shelley
Chris Greening
ResearchOpen Access06 Feb 2023
Nature Microbiology

Volume: 8, P: 581-595
Marine bacterial community structure resilience to changes in protist predation under phytoplankton bloom conditions

Federico Baltar
Joakim Palovaara
Jarone Pinhassi
Research11 Aug 2015
The ISME Journal

Volume: 10, P: 568-581
Size-fractionated fungal communities in the sunlit ocean

Size-fractionated analysis of marine fungi reveals strong ecological differentiation, with particle size and dispersal limitation shaping diversity, specialization, and interactions across the global ocean.

Zihao Zhao
Isabell Klawonn
Hans-Peter Grossart
ResearchOpen Access04 Dec 2025
Communications Biology

Volume: 9, P: 1-12
Global and seasonal variation of marine phosphonate metabolism

Scott Lockwood
Chris Greening
Sergio E. Morales
ResearchOpen Access23 Jun 2022
The ISME Journal

Volume: 16, P: 2198-2212
Enzyme promiscuity in natural environments: alkaline phosphatase in the ocean

Abhishek Srivastava
Daniel E. M. Saavedra
Federico Baltar
ResearchOpen Access28 May 2021
The ISME Journal

Volume: 15, P: 3375-3383
Ocean acidification affects microbial community and invertebrate settlement on biofilms

Katie S. Nelson
Federico Baltar
Sergio E. Morales
ResearchOpen Access24 Feb 2020
Scientific Reports

Volume: 10, P: 1-9
Ecological drivers switch from bottom–up to top–down during model microbial community successions

Sven P. Tobias-Hünefeldt
Jess Wenley
Sergio E. Morales
Research23 Nov 2020
The ISME Journal

Volume: 15, P: 1085-1097

Search

Multifunctionally diverse alkaline phosphatases of Alteromonas drive the phosphorus cycle in the ocean

Mesoscale eddies: hotspots of prokaryotic activity and differential community structure in the ocean

Viruses under the Antarctic Ice Shelf are active and potentially involved in global nutrient cycles

A ubiquitous gammaproteobacterial clade dominates expression of sulfur oxidation genes across the mesopelagic ocean

Organic matter degradation by oceanic fungi differs between polar and non-polar waters

Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf

Ayu: a machine intelligence tool for identification of extracellular proteins in the marine secretome

LucaPCycle: Illuminating microbial phosphorus cycling in deep-sea cold seep sediments using protein language models

Metaproteomic analysis decodes trophic interactions of microorganisms in the dark ocean

Salp blooms drive strong increases in passive carbon export in the Southern Ocean

Changes in microbial community phylogeny and metabolic activity along the water column uncouple at near sediment aphotic layers in fjords

Molecular hydrogen in seawater supports growth of diverse marine bacteria

Marine bacterial community structure resilience to changes in protist predation under phytoplankton bloom conditions

Size-fractionated fungal communities in the sunlit ocean

Global and seasonal variation of marine phosphonate metabolism

Enzyme promiscuity in natural environments: alkaline phosphatase in the ocean

Ocean acidification affects microbial community and invertebrate settlement on biofilms

Ecological drivers switch from bottom–up to top–down during model microbial community successions

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