Issues
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Cover image
Cover Image
Cover: Confocal images of pupal Drosophila eyes, as visualized with GFP-tagged Canoe proteins or endogenous Canoe. Top left, wild-type Canoe-GFP pupa; top right, heterozygous canoe null mutant; bottom left, canoe∆DIL homozygote, bottom right canoe∆DIL/null canoe mutant. See article by E. D. McParland (jcs261734).
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RESEARCH HIGHLIGHTS
EDITORIAL
CELL SCIENCE AT A GLANCE
Nuclear actin dynamics and functions at a glance
Summary: A discussion of how nuclear actin dynamics have emerged as an integral component of the nucleoskeleton, regulating nuclear organization, gene expression and genome integrity.
REVIEW
The use of click chemistry in sphingolipid research
Summary: To study the intricate metabolic network of sphingolipids, minimally modified probes are the tools of choice. We review progress made by using these probes together with the power of click chemistry.
SHORT REPORT
C. elegans spermatocyte divisions show a weak spindle checkpoint response
Highlighted Article:C. elegans male meiosis II exhibits abridged spindle checkpoint pathway and its progression is independent of proteasome activities, whereas male meiosis I responds weakly to the spindle checkpoint.
RESEARCH ARTICLES
Culture substrate stiffness impacts human myoblast contractility-dependent proliferation and nuclear envelope wrinkling
Highlighted Article: Exploration of the activities of myoblasts over a range of substrate stiffnesses and extracellular matrix components to understand their effects on myoblast contractility, which was found to be linked to proliferation.
The Dilute domain in Canoe is not essential for linking cell junctions to the cytoskeleton but supports morphogenesis robustness
Highlighted Article: Cell junctions link cells and anchor the cytoskeleton. Here, we define the role in this process of the conserved Dilute domain in the complex multidomain Canoe protein (a homolog of afadin).
Filopodial protrusion driven by density-dependent Ena–TOCA-1 interactions
Summary: Quantitative dynamic analysis of neuronal growth cone filopodia formation reveals a density-dependent interaction between the membrane adaptor TOCA-1 and actin filament elongating protein Ena.
Mutation of the SWI/SNF complex component Smarce1 decreases nucleosome stability in embryonic stem cells and impairs differentiation
Highlighted Article: Disruption of Smarce1, a component of the SWI/SNF chromatin remodeling complex, leads to decreased nucleosome stability, impaired heterochromatin formation, and defective differentiation in mouse ESCs.
Palmitoylation of proteolipid protein M6 promotes tricellular junction assembly in epithelia of Drosophila
Highlighted Article: The conserved fly proteolipid protein M6 is palmitoylated on cytoplasmic cysteine residues to promote localization at cell vertices, where M6 is required for assembly of tricellular occluding junctions.
Endoplasmic reticulum stress impedes regulated secretion by governing key exocytotic and granulogenic molecular switches
Summary: This study unlocks a key link between cellular stress and signaling, paving the way for targeted treatment of systemic and neurological diseases.
FIRST PERSON
Call for papers - Cilia and Flagella: from Basic Biology to Disease
We are welcoming submissions for our upcoming special issue: Cilia and Flagella: from Basic Biology to Disease. This issue will be coordinated by two Guest Editors: Pleasantine Mill (University of Edinburgh) and Lotte Pedersen (University of Copenhagen). Submission deadline: 1 March 2025.
Biologists @ 100 - join us in Liverpool in March 2025
We are excited to invite you to a unique scientific conference, celebrating the 100-year anniversary of The Company of Biologists, and bringing together our different communities. The conference will incorporate the Spring Meetings of the BSCB and the BSDB, the JEB Symposium Sensory Perception in a Changing World and a DMM programme on antimicrobial resistance. Find out more and register your interest to join us in March 2025 in Liverpool, UK. The final deadline for registration is 28 February 2025.
Fantastic proteins and where to find them – histones, in the nucleus and beyond
In this Review, Johanna Grinat and colleagues provide an evolutionary perspective of histones, nuclear chromatin and extracellular chromatin biology, describing the known extranuclear and extracellular functions of histones.
JCS-FocalPlane Training Grants
Early-career researchers - working in an area covered by JCS - who would like to attend a microscopy training course, please apply. Deadline dates for 2025 applications: 7 March 2025 (decision by week commencing 21 April 2025) and 6 June 2025 (decision by week commencing 28 July 2025).
How to reduce your lab's carbon footprint
All stakeholders – from those working in the lab to those providing funding and infrastructure – have an important role to play to becoming more sustainable. In this Essay, Julie Welburn discusses what lab users can collectively do to transform biomedical research into a discipline that is significantly and positively sustainable.