Elemental cryo-imaging reveals SOS1-dependent vacuolar sodium accumulation

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A nuclear jamming transition in vertebrate organogenesis

Sangwoo Kim

Jamming of cell collectives and associated rigidity transitions have been shown to play a key role in tissue dynamics, structure and morphogenesis. Cellular jamming is controlled by cellular density and the mechanics of cell-cell contacts. However, the con ...

NATURE PORTFOLIO2024

Role of Na2CO3 as Nucleation Seeds to Accelerate the CO2 Uptake Kinetics of MgO-Based Sorbents

Wendy Lee Queen

There is an urgent need for inexpensive, functional materials that can capture and release CO2 under industrial conditions. In this context, MgO is a highly promising, earth-abundant CO2 sorbent. However, despite its favorable carbonation thermodynamics an ...

2024

Combining X-ray micro-CT and microscopy-based images of two lianas species to derive structural, mechanical and functional relationships

Alexandre Buttler, Anastasios Vassilopoulos, Pascal Turberg, Claudine Bettina Karlen

This paper presents a biomechanical study of stems of two liana species, Clematis vitalba and Vitis vinifera, investigates the mechanical performance of these two liana species and attempts to enhance the understanding of structure-function relationships. ...

2024

A dual role for the chromatin reader ORCA/LRWD1 in targeting the origin recognition complex to chromatin

Shiv Ashish Kumar

Eukaryotic cells use chromatin marks to regulate the initiation of DNA replication. The origin recognition complex (ORC)-associated protein ORCA plays a critical role in heterochromatin replication in mammalian cells by recruiting the initiator ORC, but th ...

WILEY2023

Correlated cryo-SEM and CryoNanoSIMS imaging of biological tissue

Gilles Grandjean, Olivier Haldimann, Anders Meibom, Arnaud Comment, Tian Cheng, Stéphane Laurent Escrig, Nils Rädecker, Louise Helene Soegaard Jensen, Cristina Martin Olmos, Florent Olivier Vivien Plane

BackgroundThe development of nanoscale secondary ion mass spectrometry (NanoSIMS) has revolutionized the study of biological tissues by enabling, e.g., the visualization and quantification of metabolic processes at subcellular length scales. However, the a ...

2023