Peroxiredoxin promotes longevity and H2O2-resistance in yeast through redox-modulation of protein kinase A.

abstract：:How circuits assemble starting from stem cells is a fundamental question in developmental neurobiology. We test the hypothesis that, in neuronal stem cells, temporal transcription factors predictably control neuronal terminal features and circuit assembly. Using the Drosophila motor system, we manipulate expression of...

journal_title：eLife

authors： Meng JL,Marshall ZD,Lobb-Rabe M,Heckscher ES

更新日期：2019-09-10 00:00:00

abstract：:The structure of fitness landscapes is critical for understanding adaptive protein evolution. Previous empirical studies on fitness landscapes were confined to either the neighborhood around the wild type sequence, involving mostly single and double mutants, or a combinatorially complete subgraph involving only two am...

journal_title：eLife

authors： Wu NC,Dai L,Olson CA,Lloyd-Smith JO,Sun R

更新日期：2016-07-08 00:00:00

abstract：:Multiple lines of evidence suggest that functionally intact cerebello-hippocampal interactions are required for appropriate spatial processing. However, how the cerebellum anatomically and physiologically engages with the hippocampus to sustain such communication remains unknown. Using rabies virus as a retrograde tra...

journal_title：eLife

authors： Watson TC,Obiang P,Torres-Herraez A,Watilliaux A,Coulon P,Rochefort C,Rondi-Reig L

更新日期：2019-06-17 00:00:00

abstract：:We have previously demonstrated that checkpoint kinase 2 (CHK2) is a critical negative regulator of androgen receptor (AR) transcriptional activity, prostate cancer (PCa) cell growth, and androgen sensitivity. We have now uncovered that the AR directly interacts with CHK2 and ionizing radiation (IR) increases this int...

journal_title：eLife

authors： Ta HQ,Dworak N,Ivey ML,Roller DG,Gioeli D

更新日期：2020-06-24 00:00:00

abstract：:Layer (L) 2/3 pyramidal neurons in the primary somatosensory cortex (S1) are sparsely active, spontaneously and during sensory stimulation. Long-range inputs from higher areas may gate L2/3 activity. We investigated their in vivo impact by expressing channelrhodopsin in three main sources of feedback to rat S1: primar...

journal_title：eLife

authors： Zhang W,Bruno RM

更新日期：2019-02-11 00:00:00

abstract：:Pattern completion, or the ability to retrieve stable neural activity patterns from noisy or partial cues, is a fundamental feature of memory. Theoretical studies indicate that recurrently connected auto-associative or discrete attractor networks can perform this process. Although pattern completion and attractor dyna...

journal_title：eLife

authors： Bolding KA,Nagappan S,Han BX,Wang F,Franks KM

更新日期：2020-07-14 00:00:00

abstract：:To move the body, the brain must precisely coordinate patterns of activity among diverse populations of motor neurons. Here, we use in vivo calcium imaging, electrophysiology, and behavior to understand how genetically-identified motor neurons control flexion of the fruit fly tibia. We find that leg motor neurons exhi...

journal_title：eLife

authors： Azevedo AW,Dickinson ES,Gurung P,Venkatasubramanian L,Mann RS,Tuthill JC

更新日期：2020-06-03 00:00:00

abstract：:The controversy surrounding 'gain-of-function' experiments on high-consequence avian influenza viruses has highlighted the role of ferret transmission experiments in studying the transmission potential of novel influenza strains. However, the mapping between influenza transmission in ferrets and in humans is unsubstan...

journal_title：eLife

authors： Buhnerkempe MG,Gostic K,Park M,Ahsan P,Belser JA,Lloyd-Smith JO

更新日期：2015-09-02 00:00:00

abstract：:Current models successfully describe the auditory cortical response to natural sounds with a set of spectro-temporal features. However, these models have hardly been linked to the ill-understood neurobiological changes that occur in the aging auditory cortex. Modelling the hemodynamic response to a rich natural sound ...

journal_title：eLife

authors： Erb J,Schmitt LM,Obleser J

更新日期：2020-07-03 00:00:00

abstract：:Seasonal influenza virus A/H3N2 is a major cause of death globally. Vaccination remains the most effective preventative. Rapid mutation of hemagglutinin allows viruses to escape adaptive immunity. This antigenic drift necessitates regular vaccine updates. Effective vaccine strains need to represent H3N2 populations ci...

journal_title：eLife

authors： Huddleston J,Barnes JR,Rowe T,Xu X,Kondor R,Wentworth DE,Whittaker L,Ermetal B,Daniels RS,McCauley JW,Fujisaki S,Nakamura K,Kishida N,Watanabe S,Hasegawa H,Barr I,Subbarao K,Barrat-Charlaix P,Neher RA,Bedford T

更新日期：2020-09-02 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：:The asymmetric outer membrane (OM) of Gram-negative bacteria functions as a selective permeability barrier to the environment. Perturbations to OM lipid asymmetry sensitize the cell to antibiotics. As such, mechanisms involved in lipid asymmetry are fundamental to our understanding of OM lipid homeostasis. One such me...

journal_title：eLife

authors： Powers MJ,Simpson BW,Trent MS

更新日期：2020-09-03 00:00:00

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：:Actin dynamics generate forces to deform the membrane and overcome the cell's high turgor pressure during clathrin-mediated endocytosis (CME) in yeast, but precise molecular details are still unresolved. Our previous models predicted that actin filaments of the endocytic meshwork continually polymerize and disassemble...

journal_title：eLife

authors： Lacy MM,Baddeley D,Berro J

更新日期：2019-12-19 00:00:00

abstract：:Understanding how virus capsids assemble around their nucleic acid (NA) genomes could promote efforts to block viral propagation or to reengineer capsids for gene therapy applications. We develop a coarse-grained model of capsid proteins and NAs with which we investigate assembly dynamics and thermodynamics. In contra...

journal_title：eLife

authors： Perlmutter JD,Qiao C,Hagan MF

更新日期：2013-06-14 00:00:00

abstract：:Altered insulin signaling has been linked to widespread nervous system dysfunction including cognitive dysfunction, neuropathy and susceptibility to neurodegenerative disease. However, knowledge of the cellular mechanisms underlying the effects of insulin on neuronal function is incomplete. Here, we show that cell aut...

journal_title：eLife

authors： Mahoney RE,Azpurua J,Eaton BA

更新日期：2016-08-15 00:00:00

abstract：:Two-component systems (TCS) are protein machineries that enable cells to respond to input signals. Histidine kinases (HK) are the sensory component, transferring information toward downstream response regulators (RR). HKs transfer phosphoryl groups to their specific RRs, but also dephosphorylate them, overall ensuring...

journal_title：eLife

authors： Trajtenberg F,Imelio JA,Machado MR,Larrieux N,Marti MA,Obal G,Mechaly AE,Buschiazzo A

更新日期：2016-12-12 00:00:00

abstract：:In addition to their role in desensitization and internalization of G protein-coupled receptors (GPCRs), β-arrestins are essential scaffolds linking GPCRs to Erk1/2 signaling. However, their role in GPCR-operated Erk1/2 activation differs between GPCRs and the underlying mechanism remains poorly characterized. Here, w...

journal_title：eLife

authors： Cassier E,Gallay N,Bourquard T,Claeysen S,Bockaert J,Crépieux P,Poupon A,Reiter E,Marin P,Vandermoere F

更新日期：2017-02-07 00:00:00

abstract：:How mammalian tissues maintain their architecture and tissue-specificity is poorly understood. Previously, we documented both the indispensable role of the extracellular matrix (ECM) protein, laminin-111 (LN1), in the formation of normal breast acini, and the phenotypic reversion of cancer cells to acini-like structur...

journal_title：eLife

authors： Furuta S,Ren G,Mao JH,Bissell MJ

更新日期：2018-03-21 00:00:00

abstract：:Actin, spectrin, and associated molecules form a periodic sub-membrane lattice structure in axons. How this membrane skeleton is developed and why it preferentially forms in axons are unknown. Here, we studied the developmental mechanism of this lattice structure. We found that this structure emerged early during axon...

journal_title：eLife

authors： Zhong G,He J,Zhou R,Lorenzo D,Babcock HP,Bennett V,Zhuang X

更新日期：2014-12-23 00:00:00

abstract：:Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease involving cytotoxic conformations of Cu, Zn superoxide dismutase (SOD1). A major challenge in understanding ALS disease pathology has been the identification and atomic-level characterization of these conformers. Here, we use a combination ...

journal_title：eLife

authors： Sekhar A,Rumfeldt JA,Broom HR,Doyle CM,Bouvignies G,Meiering EM,Kay LE

更新日期：2015-06-23 00:00:00

abstract：:Intrinsically disordered proteins (IDPs) present a functional paradox because they lack stable tertiary structure, but nonetheless play a central role in signaling, utilizing a process known as allostery. Historically, allostery in structured proteins has been interpreted in terms of propagated structural changes that...

journal_title：eLife

authors： Li J,White JT,Saavedra H,Wrabl JO,Motlagh HN,Liu K,Sowers J,Schroer TA,Thompson EB,Hilser VJ

更新日期：2017-10-12 00:00:00

abstract：:Multiple sclerosis (MS) is characterized by demyelinated and inflammatory lesions in the brain and spinal cord that are highly variable in terms of cellular content. Here, we used imaging mass cytometry (IMC) to enable the simultaneous imaging of 15+ proteins within staged MS lesions. To test the potential for IMC to ...

journal_title：eLife

authors： Ramaglia V,Sheikh-Mohamed S,Legg K,Park C,Rojas OL,Zandee S,Fu F,Ornatsky O,Swanson EC,Pitt D,Prat A,McKee TD,Gommerman JL

更新日期：2019-08-01 00:00:00

abstract：:The factors that govern assembly of the gut microbiota are insufficiently understood. Here, we test the hypothesis that inter-individual microbiota variation can arise solely from differences in the order and timing by which the gut is colonized early in life. Experiments in which mice were inoculated in sequence eith...

journal_title：eLife

authors： Martínez I,Maldonado-Gomez MX,Gomes-Neto JC,Kittana H,Ding H,Schmaltz R,Joglekar P,Cardona RJ,Marsteller NL,Kembel SW,Benson AK,Peterson DA,Ramer-Tait AE,Walter J

更新日期：2018-09-18 00:00:00

abstract：:R-loops are features of chromatin consisting of a strand of DNA hybridized to RNA, as well as the expelled complementary DNA strand. R-loops are enriched at promoters where they have recently been shown to have important roles in modifying gene expression. However, the location of promoter-associated R-loops and the g...

journal_title：eLife

authors： Dumelie JG,Jaffrey SR

更新日期：2017-10-26 00:00:00

abstract：:Oomycete pathogens secrete host cell-entering effector proteins to manipulate host immunity during infection. We previously showed that PsAvh52, an early-induced RxLR effector secreted from the soybean root rot pathogen, Phytophthora sojae, could suppress plant immunity. Here, we found that PsAvh52 is required for ful...

journal_title：eLife

authors： Li H,Wang H,Jing M,Zhu J,Guo B,Wang Y,Lin Y,Chen H,Kong L,Ma Z,Wang Y,Ye W,Dong S,Tyler B,Wang Y

更新日期：2018-10-22 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：:Nerve tissue contains a high density of chemical synapses, about 1 per µm3 in the mammalian cerebral cortex. Thus, even for small blocks of nerve tissue, dense connectomic mapping requires the identification of millions to billions of synapses. While the focus of connectomic data analysis has been on neurite reconstru...

journal_title：eLife

authors： Staffler B,Berning M,Boergens KM,Gour A,Smagt PV,Helmstaedter M

更新日期：2017-07-14 00:00:00

abstract：:Interactions between membrane protein interfaces in lipid bilayers play an important role in membrane protein folding but quantification of the strength of these interactions has been challenging. Studying dimerization of ClC-type transporters offers a new approach to the problem, as individual subunits adopt a stable...

journal_title：eLife

authors： Chadda R,Krishnamani V,Mersch K,Wong J,Brimberry M,Chadda A,Kolmakova-Partensky L,Friedman LJ,Gelles J,Robertson JL

更新日期：2016-08-03 00:00:00

abstract：:MyD88 is the main adaptor molecule for TLR and IL-1R family members. Here, we demonstrated that T-cell intrinsic MyD88 signaling is required for proliferation, protection from apoptosis and expression of activation/memory genes during infection with the intracellular parasite Trypanosoma cruzi, as evidenced by transcr...

journal_title：eLife

authors： Oliveira AC,Gomes-Neto JF,Barbosa CD,Granato A,Reis BS,Santos BM,Fucs R,Canto FB,Nakaya HI,Nóbrega A,Bellio M

更新日期：2017-09-12 00:00:00