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Choi et al. find that KLHL6, which is mutated in diffuse large B-cell lymphoma, is part of a ubiquitin ligase complex that targets the mRNA decay factor roquin2 for degradation and that loss of KLHL6 enhances cell survival through loss of TNFAIP3.
Thawani et al. show that XMAP215, a microtubule polymerase, acts together with the γ-tubulin ring complex (γ-TuRC) to nucleate microtubules in Xenopus extracts and in vitro, challenging the view that γ-TuRC alone is the universal nucleator.
Cetera et al. show that hair follicle development is characterised by counter-rotational cell rearrangements, which depend on myosin and Shh signalling, and direct cell fate asymmetry.
Consistent crosstalk between cancer cells and stromal cells exists in the tumour microenvironment. Yan et al. show that exosomal miR-105 derived from cancer cells confers metabolic plasticity in recipient cancer-associated fibroblasts to adapt to nutrient-replete and -deplete conditions, thereby sustaining tumour growth.
Finley et al. show that Brd4 is dispensable for self-renewal and pluripotency in murine embryonic stem cells (ESCs). In metastable ESCs, Brd4 independence can be achieved by increasing the expression of the pluripotency transcription factors Oct4, Sox2 and Nanog as long as Tet1/2 are present.
Yeh et al. find that PSPC1 is upregulated in cancer and interacts with Smad2/3 to induce TGF-β1. This leads to increased autocrine TGF-β1 signalling and a switch to pro-metastatic TGF-β1-dependent gene expression.
Hu et al. report that the long non-coding RNA GUARDIN is transcriptionally induced by p53 and promotes genome stability through a dual mechanism to maintain TRF2 expression and BRCA1 stability.
Jiang et al. trace two embryonic fibroblast lineages in the mouse, one that does not express engrailed and mediates early dermal development and one that expresses engrailed and mediates scar tissue formation.
Cai et al. show that CK1α suppresses lung cancer growth by inducing autophagy through a PTEN–AKT–FOXO3a pathway that ultimately leads to ATG7 expression.
Romero et al. show that the autophagy regulator TP53INP2 represses adipogenesis by promoting GSK3β sequestration and activation of β-catenin through an autophagy-dependent and ESCRT-dependent mechanism.
Nowsheen et al. show that after DNA damage L3MBTL2 is recruited by MDC1 to DNA lesions where it is ubiquitylated by RNF8. Ubiquitylated L3MBTL2 then recruits RNF168 to promote DNA repair.
Zhuang et al. demonstrate that suppression of NCoR/SMRT enhances OSKM reprogramming efficiency, and that the barrier mechanism depends on the recruitment of HDAC3 to pluripotency loci by c-MYC.
Gutierrez-Martinez et al. show that an impaired DNA damage response and reduced apoptotic priming in old haematopoietic stem cells (HSCs) contribute to the survival and expansion of damaged HSCs in the bone marrow of aged mice.
Kumar et al. discover a pathway that regulates asymmetric cell cycle entry in budding yeast through Hos3-mediated deacetylation of nucleoporins in daughter cells, which affects the localization of the cell cycle regulators Whi5 and Cln2.
Huang et al. identify IGF2BPs as an additional class of N6-methyladenosine (m6A) reader proteins. They find that IGF2BPs selectively bind to m6A-containing mRNAs and promote their stability.
Hawk et al. show that RIPK1 activation during extracellular matrix detachment induces mitophagy through mitochondrial phosphatase PGAM5 to increase reactive oxygen species and non-apoptotic cell death, and that antagonizing RIPK1/PGAM5 enhances tumour formation.
Hervera et al. show that extracellular vesicles containing NOX2 complexes are released from macrophages and incorporated into injured axons, leading to axonal regeneration through PI3K–p-Akt signalling.
Using nanopillars with increased spatial resolution, Shiu et al. identify high perinuclear forces that originate from contractile apical actin filaments that span across the nucleus and are dependent on lamin A and the LINC complex.
Zajac et al. show that in colorectal cancer, decreased TGF-β signalling promotes apical actomyosin contractility and collective apical budding of invading tumour spheres with inverted polarity that drive metastatic spread.
Xie and colleagues find that activated mTORC1 growth signalling impairs DNA repair through S6K-mediated phosphorylation and inhibition of the RNF168 ligase.