Publications de Anders Meibom | EPFL Graph Search

Rapid isotopic exchange in mineralogically unaltered coral skeletons

Anders Meibom, Arthur Adams, Deyanira Graciela Cisneros Lazaro

Fossil coral skeletons that retain their original aragonitic mineralogy are generally considered diagenetically unaltered and reliable paleoenvironmental archives. We investigated whether oxygen isotope exchange can occur between these skeletons and ambien ...

2025

Elemental cryo-imaging reveals SOS1-dependent vacuolar sodium accumulation

Anders Meibom, Stéphane Laurent Escrig, Cristina Martin Olmos, Priya Ramakrishna

Increasing soil salinity causes significant crop losses globally; therefore, understanding plant responses to salt (sodium) stress is of high importance. Plants avoid sodium toxicity through subcellular compartmentation by intricate processes involving a h ...

NATURE PORTFOLIO2025

Scalable semantic 3D mapping of coral reefs with deep learning

Anders Meibom, Devis Tuia, Guilhem Maurice Louis Banc-Prandi, Jonathan Paul Sauder

Coral reefs are among the most diverse ecosystems on our planet, and essential to the livelihood of hundreds of millions of people who depend on them for food security, income from tourism and coastal protection. Unfortunately, most coral reefs are existen ...

2024

Host-derived organic acids enable gut colonization of the honey bee symbiont Snodgrassella alvi

Anders Meibom, Stéphane Laurent Escrig

Diverse bacteria can colonize the animal gut using dietary nutrients or by engaging in microbial crossfeeding interactions. Less is known about the role of host-derived nutrients in enabling gut bacterial colonization. Here we examined metabolic interactio ...

Nature Portfolio2024

Early precipitated micropyrite in microbialites: A capsule of microbial sulfur cycling (vol 21, pg 7, 2022)

Anders Meibom, Stéphane Laurent Escrig

European Assoc Geochemistry2024

Fossil biocalcite remains open to isotopic exchange with seawater for tens of millions of years

Anders Meibom, Jaroslaw Hubert Stolarski, Stéphane Laurent Escrig, Cristina Martin Olmos, Arthur Adams, Deyanira Graciela Cisneros Lazaro

Fossilized remains of marine calcifiers constitute the physical basis for reconstructions of both deep ocean and sea-surface temperatures going back millions of years, but paleoclimate records derived from their isotope and trace-element chemistry can be b ...

Springer Nature2024

Post-mortem recrystallization of biogenic amorphous calcium carbonate guided by the inherited macromolecular framework

Anders Meibom, Jaroslaw Hubert Stolarski

In contrast to abiotically formed carbonates, biogenetic carbonates have been observed to be nanocomposite, organo-mineral structures, the basic build-blocks of which are particles of quasi-uniform size (10–100 nm) organized into complex higher-order hiera ...

Springer Nature2024

Host starvation and in hospite degradation of algal symbionts shape the heat stress response of the Cassiopea-Symbiodiniaceae symbiosis

Anders Meibom, Stéphane Laurent Escrig, Cristina Martin Olmos, Nils Rädecker, Claudia Isabella Pogoreutz, Guilhem Maurice Louis Banc-Prandi, Gaëlle Delphine Toullec

Background
Global warming is causing large-scale disruption of cnidarian-Symbiodiniaceae symbioses fundamental to major marine ecosystems, such as coral reefs. However, the mechanisms by which heat stress perturbs these symbiotic partnership ...

Springer Science and Business Media LLC2024

Oxygen isotope fractionation during amorphous to crystalline calcium carbonate transformation at varying relative humidity and temperature

Anders Meibom, Arthur Adams

Crystalline calcium carbonate isotope compositions have been widely used to reconstruct past environments. However, if their isotopic compositions are modified because of crystallization from an amorphous precursor, their reliability as paleo-geochemical p ...

Elsevier BV2024

Data for Paper "Scalable Semantic 3D Mapping of Coral Reefs with Deep Learning"

Anders Meibom, Devis Tuia, Guilhem Maurice Louis Banc-Prandi, Jonathan Paul Sauder

Example Data for DeepReefMap This dataset contains input videos in MP4 format taken with GoPro Hero 10 Cameras in Reefs in the Red Sea to demonstrate the DeepReefMap tool, which is described in the paper "Scalable Semantic 3D Mapping of Coral Reefs with De ...

EPFL Infoscience2024