Issues
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Cover image
Cover Image
Cover: Transverse sections showing the pharynx of the planarian Schmidtea mediterranea. The top image is a confocal section of a pharynx stained for the muscle marker 6G10 (red) and collagen-IV (green). Nuclei are counterstained using DAPI (blue). The bottom image is a rendering of the confocal section prepared using an edge detection algorithm in ImageJ, showing muscle (green), collagen-IV (red) and nuclei (DAPI, cyan). See article by V. K. Dubey, S. R. Sarkar et al. (jcs259900).
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RESEARCH HIGHLIGHTS
STICKY WICKET
MEETING REPORT
REVIEWS
The insect perspective on Z-disc structure and biology
Summary: The Z-disc is a massive and essential component of myofibrils. We use data from insects to present a comprehensive review of the assembly, components and functions of the Z-disc.
New insights into FAK structure and function in focal adhesions
Summary: This Review discusses the current structural understanding of one key regulator of the focal adhesion complex, focal adhesion kinase (FAK), and how it communicates with mechanical parts to promote cellular movement.
RESEARCH ARTICLES
Revisiting the significance of keratin expression in complex epithelia
Summary: An analysis of publicly available sc-RNAseq data from human and mouse epidermis to determine foundational principles and emerging paradigms regarding the significance of keratin gene expression.
The AHR target gene scinderin activates the WNT pathway by facilitating the nuclear translocation of β-catenin
Summary: The transcription factor AHR drives the expression of the actin-severing protein scinderin, which, in turn, promotes nuclear translocation of β-catenin, suggesting a novel mechanism by which AHR promotes growth of colon cancer cells.
Protein Phosphatase 2A with B′ specificity subunits regulates the Hippo-Yorkie signaling axis in the Drosophila eye disc
Highlighted Article: PP2A(B′) holoenzymes, in addition to STRIPAK, promote Yorkie activity by antagonizing Salvador-Rassf-Hippo signaling to maintain the morphology of the Drosophila eye disc epithelium.
MLL regulates the actin cytoskeleton and cell migration by stabilising Rho GTPases via the expression of RhoGDI1
Summary: MLL regulates cell shape, the actin cytoskeleton and cell migration by affecting the homeostasis of small Rho GTPases and plays a central regulatory role in Rho/Rac/CDC42 signalling pathways.
Non-autonomous cell death induced by the Draper phagocytosis receptor requires signaling through the JNK and SRC pathways
Highlighted Article: We identify signaling pathways activated by a phagocytosis receptor that induce cell death in neighboring cells.
S. mediterranea ETS-1 regulates the function of cathepsin-positive cells and the epidermal lineage landscape via basement membrane remodeling
Summary: ETS-1 regulates basement membrane remodeling and cathepsin cell population during planarian homeostasis and regeneration.
SHARPIN S146 phosphorylation mediates ARP2/3 interaction, cancer cell invasion and metastasis
Summary: We characterized SHARPIN phosphorylation by mass spectrometry and in vitro kinase assay. Our results identify S146 as a phosphorylation switch defining ARP2/3 interaction and cancer cell invasion.
FIRST PERSON
PUBLISHER'S NOTE
CORRECTION
Interviews with Biologists @ 100 conference speakers

Explore our interviews with keynote speakers from the Biologists @ 100 conference, hosted to celebrate our publisher’s 100th anniversary, where we discuss climate change and biodiversity with Hans-Otto Pörtner and Jane Francis, health and disease with Charles Swanton and Sadaf Farooqi, and emerging technologies with Manu Prakash and Jennifer Lippincott-Schwartz.
Introducing our new Associate Editors

In this Editorial, JCS Editor-in-Chief Michael Way welcomes five new Associate Editors to the JCS team. These Associate Editors will expand our support for the wider cell biology community and handle articles in immune cell biology, proteostasis, imaging and image analysis, plant cell biology, and stem cell biology and modelling.
The spatial choreography of mRNA biosynthesis

In their Review, André Ventura-Gomes and Maria Carmo-Fonseca detail the latest research progress and technological advancements that are helping to unlock how nuclear organisation underpins control of gene transcription and pre-mRNA splicing.
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: 6 June 2025 (decision by week commencing 28 July 2025) and 5 September 2025 (decision by week commencing 20 October 2025).
The emerging roles of the endoplasmic reticulum in mechanosensing and mechanotransduction

In their Review, Jonathan Townson and Cinzia Progida highlight recently emerging evidence for a role of the endoplasmic reticulum in enabling a cell to sense and respond to changes in the extracellular mechanical environment.