Active and water-soluble form of lipidated Wnt protein is maintained by a serum glycoprotein afamin/α-albumin.

abstract：:Complexin regulates spontaneous and activates Ca(2+)-triggered neurotransmitter release, yet the molecular mechanisms are still unclear. Here we performed single molecule fluorescence resonance energy transfer experiments and uncovered two conformations of complexin-1 bound to the ternary SNARE complex. In the cis con...

journal_title：eLife

authors： Choi UB,Zhao M,Zhang Y,Lai Y,Brunger AT

更新日期：2016-06-02 00:00:00

abstract：:Building a genotype-phenotype-fitness map of adaptation is a central goal in evolutionary biology. It is difficult even when adaptive mutations are known because it is hard to enumerate which phenotypes make these mutations adaptive. We address this problem by first quantifying how the fitness of hundreds of adaptive ...

journal_title：eLife

authors： Kinsler G,Geiler-Samerotte K,Petrov DA

更新日期：2020-12-02 00:00:00

abstract：:Duplicating chromosomes once each cell cycle produces sister chromatid pairs, which separate accurately at anaphase. In contrast, reduplicating chromosomes without separation frequently produces polytene chromosomes, a barrier to accurate mitosis. Chromosome reduplication occurs in many contexts, including: polytene t...

journal_title：eLife

authors： Stormo BM,Fox DT

更新日期：2016-05-09 00:00:00

abstract：:Single-molecule imaging experiments have shed new light on the methods used by the enzyme RecA to align single- and double-stranded DNA so that double-strand breaks can be repaired. ...

journal_title：eLife

authors： Gibb B,Greene EC

更新日期：2012-12-13 00:00:00

abstract：:Mitochondria play important roles in cellular processes and disease, yet little is known about how the transcriptional regime of the mitochondrial genome varies across individuals and tissues. By analyzing >11,000 RNA-sequencing libraries across 36 tissue/cell types, we find considerable variation in mitochondrial-enc...

journal_title：eLife

authors： Ali AT,Boehme L,Carbajosa G,Seitan VC,Small KS,Hodgkinson A

更新日期：2019-02-18 00:00:00

abstract：:Purkinje neurons are central to cerebellar function and show membrane bistability when recorded in vitro or in vivo under anesthesia. The existence of bistability in vivo in awake animals is disputed. Here, by recording intracellularly from Purkinje neurons in unanesthetized larval zebrafish (Danio rerio), we unequivo...

journal_title：eLife

authors： Sengupta M,Thirumalai V

更新日期：2015-09-29 00:00:00

abstract：:A well-established cascade of transcription factor (TF) activity orchestrates adipogenesis in response to chemical cues, yet how cell-intrinsic determinants of differentiation such as cell shape and/or seeding density inform this transcriptional program remain enigmatic. Here, we uncover a novel mechanism licensing tr...

journal_title：eLife

authors： Cohen DM,Won KJ,Nguyen N,Lazar MA,Chen CS,Steger DJ

更新日期：2015-06-25 00:00:00

abstract：:The ellipsoid body (EB) in the Drosophila brain is a central complex (CX) substructure that harbors circumferentially laminated ring (R) neuron axons and mediates multifaceted sensory integration and motor coordination functions. However, what regulates R axon lamination and how lamination affects R neuron function re...

journal_title：eLife

authors： Xie X,Tabuchi M,Brown MP,Mitchell SP,Wu MN,Kolodkin AL

更新日期：2017-06-20 00:00:00

abstract：:Negative feedback regulation, that is the ability of a gene to repress its own synthesis, is the most abundant regulatory motif known to biology. Frequently reported for transcriptional regulators, negative feedback control relies on binding of a transcription factor to its own promoter. Here, we report a novel mechan...

journal_title：eLife

authors： Hoyos M,Huber M,Förstner KU,Papenfort K

更新日期：2020-08-03 00:00:00

abstract：:Dedifferentiation of acini to duct-like cells occurs during the physiologic damage response in the pancreas, but this process can be co-opted by oncogenic Kras to drive carcinogenesis. Myeloid cells infiltrate the pancreas during the onset of pancreatic cancer, and promote carcinogenesis. Here, we show that the functi...

journal_title：eLife

authors： Zhang Y,Yan W,Mathew E,Kane KT,Brannon A 3rd,Adoumie M,Vinta A,Crawford HC,Pasca di Magliano M

更新日期：2017-10-05 00:00:00

abstract：:In the fruit fly optic lobe, T4 and T5 cells represent the first direction-selective neurons, with T4 cells responding selectively to moving brightness increments (ON) and T5 cells to brightness decrements (OFF). Both T4 and T5 cells comprise four subtypes with directional tuning to one of the four cardinal directions...

journal_title：eLife

authors： Haag J,Mishra A,Borst A

更新日期：2017-08-22 00:00:00

abstract：:Transient receptor potential vanilloid 5 (TRPV5) is a highly calcium selective ion channel that acts as the rate-limiting step of calcium reabsorption in the kidney. The lack of potent, specific modulators of TRPV5 has limited the ability to probe the contribution of TRPV5 in disease phenotypes such as hypercalcemia a...

journal_title：eLife

authors： Hughes TE,Del Rosario JS,Kapoor A,Yazici AT,Yudin Y,Fluck EC 3rd,Filizola M,Rohacs T,Moiseenkova-Bell VY

更新日期：2019-10-25 00:00:00

abstract：:TFIID-a complex of TATA-binding protein (TBP) and TBP-associated factors (TAFs)-is a central component of the Pol II promoter recognition apparatus. Recent studies have revealed significant downregulation of TFIID subunits in terminally differentiated myocytes, hepatocytes and adipocytes. Here, we report that TBP prot...

journal_title：eLife

authors： Li L,Martinez SS,Hu W,Liu Z,Tjian R

更新日期：2015-09-22 00:00:00

abstract：:Understanding the relationships between different properties of data, such as whether a genome or connectome has information about disease status, is increasingly important. While existing approaches can test whether two properties are related, they may require unfeasibly large sample sizes and often are not interpret...

journal_title：eLife

authors： Vogelstein JT,Bridgeford EW,Wang Q,Priebe CE,Maggioni M,Shen C

更新日期：2019-01-15 00:00:00

abstract：:Serotonin (5-HT) is associated with mood and motivation but the function of endogenous 5-HT remains controversial. Here, we studied the impact of phasic optogenetic activation of 5-HT neurons in mice over time scales from seconds to weeks. We found that activating dorsal raphe nucleus (DRN) 5-HT neurons induced a stro...

journal_title：eLife

authors： Correia PA,Lottem E,Banerjee D,Machado AS,Carey MR,Mainen ZF

更新日期：2017-02-14 00:00:00

abstract：:It is now clear that microglia and macrophages are present in brain tumors, but whether or how they affect initiation and development of tumors is not known. Exploiting the advantages of the zebrafish (Danio rerio) model, we showed that macrophages and microglia respond immediately upon oncogene activation in the brai...

journal_title：eLife

authors： Chia K,Mazzolini J,Mione M,Sieger D

更新日期：2018-02-21 00:00:00

abstract：:Axons span extreme distances and are subject to significant stretch deformations during limb movements or sudden head movements, especially during impacts. Yet, axon biomechanics, and its relation to the ultrastructure that allows axons to withstand mechanical stress, is poorly understood. Using a custom developed for...

journal_title：eLife

authors： Dubey S,Bhembre N,Bodas S,Veer S,Ghose A,Callan-Jones A,Pullarkat P

更新日期：2020-04-08 00:00:00

abstract：:Previously, we identified long repeat sequences that are frequently associated with genome rearrangements, including copy number variation (CNV), in many diverse isolates of the human fungal pathogen Candida albicans (Todd et al., 2019). Here, we describe the rapid acquisition of novel, high copy number CNVs during ad...

journal_title：eLife

authors： Todd RT,Selmecki A

更新日期：2020-07-20 00:00:00

abstract：:The light environment greatly impacts human alertness, mood, and cognition by both acute regulation of physiology and indirect alignment of circadian rhythms. These processes require the melanopsin-expressing intrinsically photosensitive retinal ganglion cells (ipRGCs), but the relevant downstream brain areas involved...

journal_title：eLife

authors： Rupp AC,Ren M,Altimus CM,Fernandez DC,Richardson M,Turek F,Hattar S,Schmidt TM

更新日期：2019-07-23 00:00:00

abstract：:Bacillus subtilis can measure the activity of the enzymes that remodel the cell wall to ensure that the levels of activity are 'just right'. ...

journal_title：eLife

authors： Kim IM,Szurmant H

更新日期：2020-01-24 00:00:00

abstract：:Cardiac conduction defects decrease life expectancy in myotonic dystrophy type 1 (DM1), a CTG repeat disorder involving misbalance between two RNA binding factors, MBNL1 and CELF1. However, how DM1 condition translates into conduction disorders remains poorly understood. Here we simulated MBNL1 and CELF1 misbalance in...

journal_title：eLife

authors： Auxerre-Plantié E,Nakamori M,Renaud Y,Huguet A,Choquet C,Dondi C,Miquerol L,Takahashi MP,Gourdon G,Junion G,Jagla T,Zmojdzian M,Jagla K

更新日期：2019-12-12 00:00:00

abstract：:In many plant species, a subset of transcribed genes are characterized by strictly CG-context DNA methylation, referred to as gene body methylation (gbM). The mechanisms that establish gbM are unclear, yet flowering plant species naturally without gbM lack the DNA methyltransferase, CMT3, which maintains CHG (H = A, C...

journal_title：eLife

authors： Wendte JM,Zhang Y,Ji L,Shi X,Hazarika RR,Shahryary Y,Johannes F,Schmitz RJ

更新日期：2019-07-29 00:00:00

abstract：:Post-transcriptional control by small regulatory RNA (sRNA) is critical for rapid adaptive processes. sRNAs can directly modulate mRNA degradation in Proteobacteria without interfering with translation. However, Firmicutes have a fundamentally different set of ribonucleases for mRNA degradation and whether sRNAs can r...

journal_title：eLife

authors： Durand S,Braun F,Helfer AC,Romby P,Condon C

更新日期：2017-04-24 00:00:00

abstract：:Microtubules control different aspects of cell polarization. In cells with a radial microtubule system, a pivotal role in setting up asymmetry is attributed to the relative positioning of the centrosome and the nucleus. Here, we show that centrosome loss had no effect on the ability of endothelial cells to polarize an...

journal_title：eLife

authors： Martin M,Veloso A,Wu J,Katrukha EA,Akhmanova A

更新日期：2018-03-16 00:00:00

abstract：:Actin filaments assemble inside the nucleus in response to multiple cellular perturbations, including heat shock, protein misfolding, integrin engagement, and serum stimulation. We find that DNA damage also generates nuclear actin filaments-detectable by phalloidin and live-cell actin probes-with three characteristic ...

journal_title：eLife

authors： Belin BJ,Lee T,Mullins RD

更新日期：2015-08-19 00:00:00

abstract：:Obesity produces a chronic inflammatory state involving the NFκB pathway, resulting in persistent elevation of the noncanonical IκB kinases IKKε and TBK1. In this study, we report that these kinases attenuate β-adrenergic signaling in white adipose tissue. Treatment of 3T3-L1 adipocytes with specific inhibitors of the...

journal_title：eLife

authors： Mowers J,Uhm M,Reilly SM,Simon J,Leto D,Chiang SH,Chang L,Saltiel AR

更新日期：2013-12-24 00:00:00

abstract：:Recent studies suggested an essential role for seryl-tRNA synthetase (SerRS) in vascular development. This role is specific to SerRS among all tRNA synthetases and is independent of its well-known aminoacylation function in protein synthesis. A unique nucleus-directing domain, added at the invertebrate-to-vertebrate t...

journal_title：eLife

authors： Shi Y,Xu X,Zhang Q,Fu G,Mo Z,Wang GS,Kishi S,Yang XL

更新日期：2014-06-17 00:00:00

abstract：:The genome-scale transcriptional programs that specify the mammalian trachea and esophagus are unknown. Though NKX2-1 and SOX2 are hypothesized to be co-repressive master regulators of tracheoesophageal fates, this is untested at a whole transcriptomic scale and their downstream networks remain unidentified. By combin...

journal_title：eLife

authors： Kuwahara A,Lewis AE,Coombes C,Leung FS,Percharde M,Bush JO

更新日期：2020-06-09 00:00:00

abstract：:Dendrites shape information flow in neurons. Yet, there is little consensus on the level of spatial complexity at which they operate. Through carefully chosen parameter fits, solvable in the least-squares sense, we obtain accurate reduced compartmental models at any level of complexity. We show that (back-propagating)...

journal_title：eLife

authors： Wybo WA,Jordan J,Ellenberger B,Marti Mengual U,Nevian T,Senn W

更新日期：2021-01-26 00:00:00

abstract：:Microtubules are nucleated from specific locations at precise times in the cell cycle. However, the factors that constitute these microtubule nucleation pathways and their mode of action still need to be identified. Using purified Xenopus laevis proteins we biochemically reconstitute branching microtubule nucleation, ...

journal_title：eLife

authors： Alfaro-Aco R,Thawani A,Petry S

更新日期：2020-01-14 00:00:00