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RESEARCH HIGHLIGHTS

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REVIEWS

Summary: Image co-localization analysis is widely used but often misunderstood. This Review discusses important considerations, including applications to super-resolution microscopy.

Summary: This Review focuses on the role of lipid bilayer stress-induced UPR in ER homeostasis and discusses the sensing mechanism and its contribution to metabolic diseases.

Summary: This Review highlights the recent advance in identifying various factors that affect the aging process, focusing on how these determinants affect cell lifespan and the fitness of an organism.

Summary: A discussion of recent tomographic reconstructions that provide novel views on spindles and will enable us to revisit and address long-standing questions in the field of mitosis.

SHORT REPORTS

Summary: Yeast cells contain a mixture of young and old peroxisomes. During budding, the oldest ones are retained in the mother cell, whereas the younger organelles are transported to the bud.

Summary: Our work represents the first report showing PIP binding by a large GEF GBF1 and the crucial importance of such binding in membrane recruitment.

Summary: Wee1 stability in fission yeast is controlled by F-box proteins Pof3 and Pof1.

Summary: An unbiased screen reveals the localization of ∼200 proteins in multiciliated cell. Functional analyses arising from the screen provide novel links between actin cytoskeleton and MCC ciliogenesis.

RESEARCH ARTICLES

Summary: Calcium signaling leads a morphogenetic process during neural rosette formation by regulating the movement of cell cytoskeletal elements.

Summary: A cell-based assay to probe the function of the ribbon structure of the Golgi unexpectedly demonstrated that the intact Golgi ribbon is essential for regulating the mTOR pathway and autophagy.

Summary: EFA6 proteins control epithelial luminogenesis by recruiting ACTN1 and regulating acto-myosin contractility. The EFA6–ACTN1 signaling pathway also restores an epithelial phenotype to mammary tumoral cells.

Highlighted Article: Lamina-associated polypeptide (LAP) 2α promotes or inhibits proliferation of progeria cells depending on the absence or presence of lamin A in the nuclear interior.

Summary: We reveal the importance of the tail domain of the Aspergillus fumigatus class V myosin MyoE, and its role in growth and morphology.

Summary: Skeletal muscle nuclei sharing a common cytoplasm differ from one another in nuclear import. These differences in nuclear import could help establish regional specialization in large multinucleated muscle cells.

Summary: Abscisic acid, a natural hormone that confers plant tolerance to abiotic stresses, inhibits neovascularization by suppressing the angiogenic phenotypes of endothelial cells and macrophages, suggesting its potential usefulness in anti-angiogenic therapy.

Highlighted Article: Deletion of MRP in epithelial cells resulted in dramatic changes in the organization of multiple actin-based structures, likely by regulation of integrin signaling.

Summary: A FRET tension biosensor shows that tight junctions negatively regulate mechanical forces applied to adherens junctions. This regulation becomes essential when junctions are put under stress such as cytokinesis.

Summary: Blood vitronectin is a unique and key inducer of pro-inflammatory IL-6 and LIF, through integrin and uPAR signaling, which had not been previously indicated as having a role in cytokine expression.

Summary: Stress-activated MAPKs and the nuclear exportin CRM1 regulate translocation of the RhoA subfamily GEF Net1A from the nucleus to the cytoplasm to control RhoA signaling, cell motility and extracellular matrix invasion.

Summary: BMSCs effectively ameliorate septic coagulopathy, vascular damage, inflammation and acute lung injury, and improve the survival rate, suggesting that BMSC injection is a promising treatment for sepsis.

Summary: Rheb is localized on the Golgi and activates mTORC1, which is localized on the lysosome. This activation occurs at an inter-organelle contact site termed the Golgi–lysosome contact site (GLCS).

TOOLS AND RESOURCES

Summary: A general strategy for conditional motor mutants that can be applied to kinesins and myosins inserts a protease cleavage site between the head and stalk domains, making it susceptible to specific proteolytic cleavage.

CORRECTIONS

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