Issues
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Cover image
Cover Image
Immunofluorescence image showing integrin β5 (green), clathrin (red) and actin (blue) in MCF7 human breast cancer cells. Integrin β5 can be observed in both focal adhesions and flat clathrin lattices in MCF7 cells, but localization in flat clathrin lattices is favoured. See article by A. Zuidema, W. Wang et al. (jcs259465).
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RESEARCH HIGHLIGHTS
HYPOTHESIS
A unifying model for the role of the ATG8 system in autophagy
Summary: The role of the core ATG8 system during autophagosome formation and autophagosome-lysosome fusion.
REVIEWS
Emerging roles of mitotic autophagy
Summary: Discussion of mitotic autophagy, focusing on the signalling pathways, selective macroautophagy and highlighting the role of mitotic lysosomes in macroautophagy-dependent and -independent processes.
Physiological functions and roles in cancer of the proliferation marker Ki-67
Summary: We review state-of-the-art knowledge on the cellular functions and mechanisms of action of the proliferation marker Ki-67, as well as its roles in cancer.
SHORT REPORT
Selective function of the PDZ domain of Dishevelled in noncanonical Wnt signalling
Summary: The PDZ domain of Drosophila Dishevelled functions in noncanonical Wnt signalling but is dispensable for signalling through Armadillo, the fly homologue of β-catenin.
RESEARCH ARTICLES
ALKBH5 regulates somatic cell reprogramming in a phase-specific manner
Summary: The biphasic regulatory role of ALKBH5 is mediated by its catalytic domain at both the early and late phase of somatic reprogramming.
TFK1, a basal body transition fibre protein that is essential for cytokinesis in Trypanosoma brucei
Summary: TFK1, a novel basal body protein, is localized on the distal appendage matrix of transition fibres and is a critical key regulator of cytokinesis in the bloodstream form Trypanosoma brucei parasites.
DYRK2 maintains genome stability via neddylation of cullins in response to DNA damage
Summary: DYRK2 promotes neddylation through forming a complex with NAE1 to maintain its protein level by suppressing polyubiquitylation, and thus is a regulator of genome stability.
The developmental stage of the medulloblastoma cell-of-origin restricts Sonic hedgehog pathway usage and drug sensitivity
Summary: There is a relationship between the age of the medulloblastoma patient and the developmental age of the tumor cell-of-origin, and this influences the SHH pathway signaling route used by the tumor.
MTCL2 promotes asymmetric microtubule organization by crosslinking microtubules on the Golgi membrane
Highlighted Article: A novel microtubule-regulating protein, named MTCL2, organizes an asymmetric array of microtubules by crosslinking them on the Golgi membrane.
Molecular determinants of αVβ5 localization in flat clathrin lattices – role of αVβ5 in cell adhesion and proliferation
Highlighted Article: The mechanism that regulates the subcellular distribution (focal adhesions versus flat clathrin lattices) of integrin β5 in keratinocytes is dependent on the level of tension, MARK2 and its preferred binding to the clathrin adaptors ARH and NUMB over talin.
VEGF-A controls the expression of its regulator of angiogenic functions, dopamine D2 receptor, on endothelial cells
Summary: VEGF-A controls the expression of its potent regulator of angiogenic functions, dopamine D2 receptors, on the endothelial cells via a crosstalk mediated by ERK1/2 signaling and KLF11.
FIRST PERSON
JCS Journal Meeting 2023: Imaging Cell Dynamics

Our 2023 Journal Meeting on ‘Imaging Cell Dynamics’ will be held from 14-17 May 2023 in Lisbon, Portugal. We have a limited number of spaces left so sign up now! Registration deadline: 31 March.
Call for papers: Cell and Tissue Polarity
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We are welcoming submissions for our next special issue, which will focus on ‘Cell and tissue polarity’ and will be guest edited by David Bryant. Submission deadline: 15 July.
Webinar: Increasing the visibility and impact of your research
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Would you like to increase the visibility and impact of your research and raise your profile internationally? If so, register for the very practical webinar we are running in association with HUBS on 23 February 2023.
Cell scientist to watch: Gautam Dey

We interviewed Gautam Dey, who became a group leader at EMBL in Heidelberg, Germany, in 2021. His lab investigates the fundamental organisational principles and evolutionary dynamics of the nuclear compartment across eukaryotes.
Mechanisms of eukaryotic transcription termination at a glance

Check out our latest Cell Science at a Glance article and accompanying poster for an overview of the current understanding about the mechanisms of transcription termination by the three eukaryotic RNAPs.