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The Structural Maintenance of Chromosomes (SMC) proteins are essential for chromosome condensation, cohesion and DNA repair. Here the authors use single molecule imaging to visualise how Bacillus subtilisSMC interacts with and condenses DNA.
Polymerization on surfaces is an emerging approach for producing graphene nanoribbons with a tunable bandgap, a promising material for carbon-based electronics. Here, Vasseur et al.show quasi-one-dimensional band structure of a model semiconducting polymer synthesized directly on a supporting surface.
Resistance to receptor tyrosine kinase inhibitors is a major obstacle in treatment of lung adenocarcinoma. Yamaguchi et al.identify the orphan receptor ROR1 as a potential target to overcome this resistance, by virtue of its role in promoting cell survival through stabilisation of caveolae.
The miR-141/200 familly of micro RNAs control oxidative stress and impact on ovarian tumorigenesis. Here the authors show that the transcription of miR-200c/141 is regulated through transcriptional read-through of the upstream gene PTPN6, and DNA looping linking the PTPN6 and miR-200c/141 promoters.
How the mitotic spindle is positioned in the centre of the cell during the first mitotic division is not clear. Here Chaigne et al.show that the pronucleus coarsely centres using F-actin/Myosin-Vb dynamics, and the metaphase plate is finely centred by an F-actin cage influenced by high cortical tension.
Breast cancers have been extensively studied at the genomic and transcriptomic levels in the hope of tailoring therapeutic regimens. Here the authors generate deep coverage proteomes from several clinical breast cancer samples, and use machine learning techniques to uncover biological processes altered in specific cancer subtypes.
