Optimal compensation for neuron loss.

abstract：:Antiviral effectors such as natural killer (NK) cells have impaired functions in chronic hepatitis B (CHB) patients. The molecular mechanism responsible for this dysfunction remains poorly characterised. We show that decreased cytokine production capacity of peripheral NK cells from CHB patients was associated with re...

journal_title：eLife

authors： Marotel M,Villard M,Drouillard A,Tout I,Besson L,Allatif O,Pujol M,Rocca Y,Ainouze M,Roblot G,Viel S,Gomez M,Loustaud V,Alain S,Durantel D,Walzer T,Hasan U,Marçais A

更新日期：2021-01-28 00:00:00

abstract：:Cell-type-specific 3D organization of the genome is unrecognizable during mitosis. It remains unclear how essential positional information is transmitted through cell division such that a daughter cell recapitulates the spatial genome organization of the parent. Lamina-associated domains (LADs) are regions of repressi...

journal_title：eLife

authors： Poleshko A,Smith CL,Nguyen SC,Sivaramakrishnan P,Wong KG,Murray JI,Lakadamyali M,Joyce EF,Jain R,Epstein JA

更新日期：2019-10-01 00:00:00

abstract：:Vesicle fusion is mediated by an assembly of SNARE proteins between opposing membranes, but it is unknown whether transmembrane domains (TMDs) of SNARE proteins serve mechanistic functions that go beyond passive anchoring of the force-generating SNAREpin to the fusing membranes. Here, we show that conformational flexi...

journal_title：eLife

authors： Dhara M,Yarzagaray A,Makke M,Schindeldecker B,Schwarz Y,Shaaban A,Sharma S,Böckmann RA,Lindau M,Mohrmann R,Bruns D

更新日期：2016-06-25 00:00:00

abstract：:Ligand binding stabilizes different G protein-coupled receptor states via a complex allosteric process that is not completely understood. Here, we have derived free energy landscapes describing activation of the β2 adrenergic receptor bound to ligands with different efficacy profiles using enhanced sampling molecular ...

journal_title：eLife

authors： Fleetwood O,Carlsson J,Delemotte L

更新日期：2021-01-28 00:00:00

abstract：:Many organisms lose the capacity to regenerate damaged tissues as they mature. Damaged Drosophila imaginal discs regenerate efficiently early in the third larval instar (L3) but progressively lose this ability. This correlates with reduced damage-responsive expression of multiple genes, including the WNT genes wingles...

journal_title：eLife

authors： Harris RE,Setiawan L,Saul J,Hariharan IK

更新日期：2016-02-03 00:00:00

abstract：:Signal transduction at vertebrate excitatory synapses involves the rapid activation of AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazole propionate) receptors, glutamate-gated ion channels whose four subunits assemble as a dimer-of-dimers. Technical advances in cryo-electron microscopy brought a slew of full-length structu...

journal_title：eLife

authors： Baranovic J,Plested AJ

更新日期：2018-12-06 00:00:00

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：:Dorsal/ventral (DV) patterning of the sea urchin embryo relies on a ventrally-localized organizer expressing Nodal, a pivotal regulator of the DV gene regulatory network. However, the inceptive mechanisms imposing the symmetry-breaking are incompletely understood. In Paracentrotus lividus, the Hbox12 homeodomain-conta...

journal_title：eLife

authors： Cavalieri V,Spinelli G

更新日期：2014-12-02 00:00:00

abstract：:Forebrain precursor cells are dynamic during early brain development, yet the underlying molecular changes remain elusive. We observed major differences in transcriptional signatures of precursor cells from mouse forebrain at embryonic days E8.5 vs. E10.5 (before vs. after neural tube closure). Genes encoding protein ...

journal_title：eLife

authors： Chau KF,Shannon ML,Fame RM,Fonseca E,Mullan H,Johnson MB,Sendamarai AK,Springel MW,Laurent B,Lehtinen MK

更新日期：2018-05-10 00:00:00

abstract：:Proteins can self-organize into spatial patterns via non-linear dynamic interactions on cellular membranes. Modelling and simulations have shown that small GTPases can generate patterns by coupling guanine nucleotide exchange factors (GEF) to effectors, generating a positive feedback of GTPase activation and membrane ...

journal_title：eLife

authors： Cezanne A,Lauer J,Solomatina A,Sbalzarini IF,Zerial M

更新日期：2020-06-08 00:00:00

abstract：:Examining whether and how the rhythms of limb and breathing movements interact is highly informative about the mechanistic origin of hyperpnoea during running exercise. However, studies have failed to reveal regularities. In particular, whether breathing frequency is inherently proportional to limb velocity and impose...

journal_title：eLife

authors： Hérent C,Diem S,Fortin G,Bouvier J

更新日期：2020-12-01 00:00:00

abstract：:Although individuals of many species inexorably age, a number of observations established that the rate of aging is modulated in response to a variety of mild stresses. Here, we investigated how heat stress promotes longevity in yeast. We show that upon growth at higher temperature, yeast cells relax the retention of ...

journal_title：eLife

authors： Baldi S,Bolognesi A,Meinema AC,Barral Y

更新日期：2017-12-28 00:00:00

abstract：:Efficient precision genome engineering requires high frequency and specificity of integration at the genomic target site. Here, we describe a set of resources to streamline reporter gene knock-ins in zebrafish and demonstrate the broader utility of the method in mammalian cells. Our approach uses short homology of 24-...

journal_title：eLife

authors： Wierson WA,Welker JM,Almeida MP,Mann CM,Webster DA,Torrie ME,Weiss TJ,Kambakam S,Vollbrecht MK,Lan M,McKeighan KC,Levey J,Ming Z,Wehmeier A,Mikelson CS,Haltom JA,Kwan KM,Chien CB,Balciunas D,Ekker SC,Clark KJ,We

更新日期：2020-05-15 00:00:00

abstract：:Pervasive expression of circular RNA is a recently discovered feature of eukaryotic gene expression programs, yet its function remains largely unknown. The presumed biogenesis of these RNAs involves a non-canonical 'backsplicing' event. Recent studies in mammalian cell culture posit that backsplicing is facilitated by...

journal_title：eLife

authors： Barrett SP,Wang PL,Salzman J

更新日期：2015-06-09 00:00:00

abstract：:RNA molecules cause the proteins involved in the formation of germ granules to coalesce into liquid droplets. ...

journal_title：eLife

authors： Trcek T,Lehmann R

更新日期：2017-01-24 00:00:00

abstract：:Allosteric HIV-1 integrase (IN) inhibitors (ALLINIs) are a promising new class of antiretroviral agents that disrupt proper viral maturation by inducing hyper-multimerization of IN. Here we show that lead pyridine-based ALLINI KF116 exhibits striking selectivity for IN tetramers versus lower order protein oligomers. I...

journal_title：eLife

authors： Koneru PC,Francis AC,Deng N,Rebensburg SV,Hoyte AC,Lindenberger J,Adu-Ampratwum D,Larue RC,Wempe MF,Engelman AN,Lyumkis D,Fuchs JR,Levy RM,Melikyan GB,Kvaratskhelia M

更新日期：2019-05-23 00:00:00

abstract：:Breast cancer stem cells (BCSCs) contribute to intra-tumoral heterogeneity and therapeutic resistance. However, the binary concept of universal BCSCs co-existing with bulk tumor cells is over-simplified. Through single-cell RNA-sequencing, we found that Neu, PyMT and BRCA1-null mammary tumors each corresponded to a sp...

journal_title：eLife

authors： Yeo SK,Zhu X,Okamoto T,Hao M,Wang C,Lu P,Lu LJ,Guan JL

更新日期：2020-08-25 00:00:00

abstract：:Motile ciliopathies are characterized by specific defects in cilia beating that result in chronic airway disease, subfertility, ectopic pregnancy, and hydrocephalus. While many patients harbor mutations in the dynein motors that drive cilia beating, the disease also results from mutations in so-called dynein axonemal ...

journal_title：eLife

authors： Huizar RL,Lee C,Boulgakov AA,Horani A,Tu F,Marcotte EM,Brody SL,Wallingford JB

更新日期：2018-12-18 00:00:00

abstract：:Macrophage activation/polarization to distinct functional states is critically supported by metabolic shifts. How polarizing signals coordinate metabolic and functional reprogramming, and the potential implications for control of macrophage activation, remains poorly understood. Here we show that IL-4 signaling co-opt...

journal_title：eLife

authors： Covarrubias AJ,Aksoylar HI,Yu J,Snyder NW,Worth AJ,Iyer SS,Wang J,Ben-Sahra I,Byles V,Polynne-Stapornkul T,Espinosa EC,Lamming D,Manning BD,Zhang Y,Blair IA,Horng T

更新日期：2016-02-19 00:00:00

abstract：:Seed dormancy is a complex life history trait that determines the timing of germination and is crucial for local adaptation. Genetic studies of dormancy are challenging, because the trait is highly plastic and strongly influenced by the maternal environment. Using a combination of statistical and experimental approach...

journal_title：eLife

authors： Kerdaffrec E,Filiault DL,Korte A,Sasaki E,Nizhynska V,Seren Ü,Nordborg M

更新日期：2016-12-14 00:00:00

abstract：:As the equipment needed to perform state-of-the-art research in many areas of biology becomes ever more expensive, Eve Marder worries that researchers in less wealthy institutions might be left behind. ...

journal_title：eLife

authors： Marder E

更新日期：2013-11-19 00:00:00

abstract：:Serotonin is implicated in mood and affective disorders. However, growing evidence suggests that a core endogenous role is to promote flexible adaptation to changes in the causal structure of the environment, through behavioral inhibition and enhanced plasticity. We used long-term photometric recordings in mice to stu...

journal_title：eLife

authors： Matias S,Lottem E,Dugué GP,Mainen ZF

更新日期：2017-03-21 00:00:00

abstract：:The clone size distribution of the human naive T-cell receptor (TCR) repertoire is an important determinant of adaptive immunity. We estimated the abundance of TCR sequences in samples of naive T cells from blood using an accurate quantitative sequencing protocol. We observe most TCR sequences only once, consistent wi...

journal_title：eLife

authors： de Greef PC,Oakes T,Gerritsen B,Ismail M,Heather JM,Hermsen R,Chain B,de Boer RJ

更新日期：2020-03-18 00:00:00

abstract：:The calcium release-activated calcium channel Orai regulates Ca2+ entry into non-excitable cells and is required for proper immune function. While the channel typically opens following Ca2+ release from the endoplasmic reticulum, certain pathologic mutations render the channel constitutively open. Previously, using on...

journal_title：eLife

authors： Hou X,Outhwaite IR,Pedi L,Long SB

更新日期：2020-11-30 00:00:00

abstract：:The Cdc45/Mcm2-7/GINS (CMG) helicase separates DNA strands during replication in eukaryotes. How the CMG is assembled and engages DNA substrates remains unclear. Using electron microscopy, we have determined the structure of the CMG in the presence of ATPγS and a DNA duplex bearing a 3' single-stranded tail. The struc...

journal_title：eLife

authors： Costa A,Renault L,Swuec P,Petojevic T,Pesavento JJ,Ilves I,MacLellan-Gibson K,Fleck RA,Botchan MR,Berger JM

更新日期：2014-08-12 00:00:00

abstract：:The non-canonical Wnt/Ca2+ signaling pathway plays important roles in embryonic development, tissue formation and diseases. However, it is unclear how the Wnt ligand-stimulated, G protein-coupled receptor Frizzled activates phospholipases for calcium release. Here, we report that the zebrafish/human phosphatidylinosit...

journal_title：eLife

authors： Gong B,Shen W,Xiao W,Meng Y,Meng A,Jia S

更新日期：2017-05-02 00:00:00

abstract：:Microbes are embedded in complex communities where they engage in a wide array of intra- and inter-specific interactions. The extent to which these interactions drive or impede microbiome diversity is not well understood. Historically, two contrasting hypotheses have been suggested to explain how species interactions ...

journal_title：eLife

authors： Madi N,Vos M,Murall CL,Legendre P,Shapiro BJ

更新日期：2020-11-20 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：:Precise and efficient manipulation of genes is crucial for understanding the molecular mechanisms that govern human hematopoiesis and for developing novel therapies for diseases of the blood and immune system. Current methods do not enable precise engineering of complex genotypes that can be easily tracked in a mixed ...

journal_title：eLife

authors： Bak RO,Dever DP,Reinisch A,Cruz Hernandez D,Majeti R,Porteus MH

更新日期：2017-09-28 00:00:00

abstract：:The β-catenin transcriptional coregulator is involved in various biological and pathological processes; however, its requirements in hematopoietic cells remain controversial. We re-targeted the Ctnnb1 gene locus to generate a true β-catenin-null mutant mouse strain. Ablation of β-catenin alone, or in combination with ...

journal_title：eLife

authors： Zhao X,Shao P,Gai K,Li F,Shan Q,Xue HH

更新日期：2020-08-21 00:00:00