Enterococcus faecium secreted antigen A generates muropeptides to enhance host immunity and limit bacterial pathogenesis.

abstract：:Apical constriction is a widely utilized cell shape change linked to folding, bending and invagination of polarized epithelia. It remains unclear how apical constriction is regulated spatiotemporally during tissue invagination and how this cellular process contributes to tube formation in different developmental conte...

journal_title：eLife

authors： Chung S,Kim S,Andrew DJ

更新日期：2017-03-06 00:00:00

abstract：:Atopic dermatitis can result from loss of structural proteins in the outermost epidermal layers, leading to a defective epidermal barrier. To test whether this influences tumour formation, we chemically induced tumours in EPI-/- mice, which lack three barrier proteins-Envoplakin, Periplakin, and Involucrin. EPI-/- mic...

journal_title：eLife

authors： Cipolat S,Hoste E,Natsuga K,Quist SR,Watt FM

更新日期：2014-05-05 00:00:00

abstract：:Systemic oxygen restriction (SOR) is prevalent in numerous clinical conditions, including chronic obstructive pulmonary disease (COPD), and is associated with increased susceptibility to viral infections. However, the influence of SOR on T cell immunity remains uncharacterized. Here we show the detrimental effect of h...

journal_title：eLife

authors： Saragovi A,Abramovich I,Omar I,Arbib E,Toker O,Gottlieb E,Berger M

更新日期：2020-11-23 00:00:00

abstract：:CRISPR-based homing gene drives have sparked both enthusiasm and deep concerns due to their potential for genetically altering entire species. This raises the question about our ability to prevent the unintended spread of such drives from the laboratory into a natural population. Here, we experimentally demonstrate th...

journal_title：eLife

authors： Champer J,Chung J,Lee YL,Liu C,Yang E,Wen Z,Clark AG,Messer PW

更新日期：2019-01-22 00:00:00

abstract：:When a human catches a ball, they estimate future target location based on the current trajectory. How animals, small and large, encode such predictive processes at the single neuron level is unknown. Here we describe small target-selective neurons in predatory dragonflies that exhibit localized enhanced sensitivity f...

journal_title：eLife

authors： Wiederman SD,Fabian JM,Dunbier JR,O'Carroll DC

更新日期：2017-07-25 00:00:00

abstract：:The phylogenetic placement of the morphologically simple placozoans is crucial to understanding the evolution of complex animal traits. Here, we examine the influence of adding new genomes from placozoans to a large dataset designed to study the deepest splits in the animal phylogeny. Using site-heterogeneous substitu...

journal_title：eLife

authors： Laumer CE,Gruber-Vodicka H,Hadfield MG,Pearse VB,Riesgo A,Marioni JC,Giribet G

更新日期：2018-10-30 00:00:00

abstract：:In plants the dorsoventral boundary of leaves defines an axis of symmetry through the centre of the organ separating the top (dorsal) and bottom (ventral) tissues. Although the positioning of this boundary is critical for leaf morphogenesis, how the boundary is established and how it influences development remains unc...

journal_title：eLife

authors： Caggiano MP,Yu X,Bhatia N,Larsson A,Ram H,Ohno CK,Sappl P,Meyerowitz EM,Jönsson H,Heisler MG

更新日期：2017-09-12 00:00:00

abstract：:Autoinducers are small signaling molecules that mediate intercellular communication in microbial populations and trigger coordinated gene expression via 'quorum sensing'. Elucidating the mechanisms that control autoinducer production is, thus, pertinent to understanding collective microbial behavior, such as virulence...

journal_title：eLife

authors： Bauer M,Knebel J,Lechner M,Pickl P,Frey E

更新日期：2017-07-25 00:00:00

abstract：:Translation is a core cellular process carried out by a highly conserved macromolecular machine, the ribosome. There has been remarkable evolutionary adaptation of this machine through the addition of eukaryote-specific ribosomal proteins whose individual effects on ribosome function are largely unknown. Here we show ...

journal_title：eLife

authors： Thompson MK,Rojas-Duran MF,Gangaramani P,Gilbert WV

更新日期：2016-04-27 00:00:00

abstract：:High-altitude environments require that animals meet the metabolic O2 demands for locomotion and thermogenesis in O2-thin air, but the degree to which convergent metabolic changes have arisen across independent high-altitude lineages or the speed at which such changes arise is unclear. We examined seven high-altitude ...

journal_title：eLife

authors： Dawson NJ,Alza L,Nandal G,Scott GR,McCracken KG

更新日期：2020-07-30 00:00:00

abstract：:Though neurotransmitters are essential elements in neuronal signal transduction, techniques for in vivo analysis are still limited. Here, we describe an organic electrochemical transistor array (OECT-array) technique for monitoring catecholamine neurotransmitters (CA-NTs) in rat brains. The OECT-array is an active sen...

journal_title：eLife

authors： Xie K,Wang N,Lin X,Wang Z,Zhao X,Fang P,Yue H,Kim J,Luo J,Cui S,Yan F,Shi P

更新日期：2020-02-11 00:00:00

abstract：:Our understanding of nonlinear stimulus transformations by neural circuits is hindered by the lack of comprehensive yet interpretable computational modeling frameworks. Here, we propose a data-driven approach based on deep neural networks to directly model arbitrarily nonlinear stimulus-response mappings. Reformulatin...

journal_title：eLife

authors： Keshishian M,Akbari H,Khalighinejad B,Herrero JL,Mehta AD,Mesgarani N

更新日期：2020-06-26 00:00:00

abstract：:Macrophages are highly plastic cells with critical roles in immunity, cancer, and tissue homeostasis, but how these distinct cellular fates are triggered by environmental cues is poorly understood. To uncover how primary murine macrophages respond to bacterial pathogens, we globally assessed changes in post-translatio...

journal_title：eLife

authors： Budzik JM,Swaney DL,Jimenez-Morales D,Johnson JR,Garelis NE,Repasy T,Roberts AW,Popov LM,Parry TJ,Pratt D,Ideker T,Krogan NJ,Cox JS

更新日期：2020-01-17 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：:New ages for flowstone, sediments and fossil bones from the Dinaledi Chamber are presented. We combined optically stimulated luminescence dating of sediments with U-Th and palaeomagnetic analyses of flowstones to establish that all sediments containing Homo naledi fossils can be allocated to a single stratigraphic ent...

journal_title：eLife

authors： Dirks PH,Roberts EM,Hilbert-Wolf H,Kramers JD,Hawks J,Dosseto A,Duval M,Elliott M,Evans M,Grün R,Hellstrom J,Herries AI,Joannes-Boyau R,Makhubela TV,Placzek CJ,Robbins J,Spandler C,Wiersma J,Woodhead J,Berger LR

更新日期：2017-05-09 00:00:00

abstract：:A major puzzle in biology is how mammalian sperm maintain the correct swimming direction during various phases of the sexual reproduction process. Whilst chemotaxis may dominate near the ovum, it is unclear which cues guide spermatozoa on their long journey towards the egg. Hypothesized mechanisms range from peristalt...

journal_title：eLife

authors： Kantsler V,Dunkel J,Blayney M,Goldstein RE

更新日期：2014-05-27 00:00:00

abstract：:More than half of long-term brain tumor survivors develop irreversible cognitive decline that severely affect their quality of life. However, there is no pre-clinical model that allows long-term assessment of cognition, and there is no treatment which ameliorates cognitive deficits in patients. Here, we report a novel...

journal_title：eLife

authors： Feng X,Liu S,Chen D,Rosi S,Gupta N

更新日期：2018-11-13 00:00:00

abstract：:Motor fatigability emerges when demanding tasks are executed over an extended period of time. Here, we used repetitive low-force movements that cause a gradual reduction in movement speed (or 'motor slowing') to study the central component of fatigability in healthy adults. We show that motor slowing is associated wit...

journal_title：eLife

authors： Bächinger M,Lehner R,Thomas F,Hanimann S,Balsters J,Wenderoth N

更新日期：2019-09-16 00:00:00

abstract：:Aeromonas bacteria living in the gut of zebrafish produce a specific molecule to pacify the immune system of their host. ...

journal_title：eLife

authors： Matos RC,Leulier F

更新日期：2018-11-06 00:00:00

abstract：:The transcription factor ASCIZ (ATMIN, ZNF822) has an unusually high number of recognition motifs for the product of its main target gene, the hub protein LC8 (DYNLL1). Using a combination of biophysical methods, structural analysis by NMR and electron microscopy, and cellular transcription assays, we developed a mode...

journal_title：eLife

authors： Clark S,Myers JB,King A,Fiala R,Novacek J,Pearce G,Heierhorst J,Reichow SL,Barbar EJ

更新日期：2018-05-01 00:00:00

abstract：:Evolutionary changes in transcription networks are an important source of diversity across species, yet the quantitative consequences of network evolution have rarely been studied. Here we consider the transcriptional 'rewiring' of the three GAL genes that encode the enzymes needed for cells to convert galactose to gl...

journal_title：eLife

authors： Dalal CK,Zuleta IA,Mitchell KF,Andes DR,El-Samad H,Johnson AD

更新日期：2016-09-10 00:00:00

abstract：:Hsp90 is a homodimeric ATP-dependent molecular chaperone that remodels its substrate 'client' proteins, facilitating their folding and activating them for biological function. Despite decades of research, the mechanism connecting ATP hydrolysis and chaperone function remains elusive. Particularly puzzling has been the...

journal_title：eLife

authors： Elnatan D,Betegon M,Liu Y,Ramelot T,Kennedy MA,Agard DA

更新日期：2017-07-25 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：: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：:Brief periods of sleep loss have long-lasting consequences such as impaired memory consolidation. Structural changes in synaptic connectivity have been proposed as a substrate of memory storage. Here, we examine the impact of brief periods of sleep deprivation on dendritic structure. In mice, we find that five hours o...

journal_title：eLife

authors： Havekes R,Park AJ,Tudor JC,Luczak VG,Hansen RT,Ferri SL,Bruinenberg VM,Poplawski SG,Day JP,Aton SJ,Radwańska K,Meerlo P,Houslay MD,Baillie GS,Abel T

更新日期：2016-08-23 00:00:00

abstract：:While specific mutations allow organisms to adapt to stressful environments, most changes in an organism's DNA negatively impact fitness. The mutation rate is therefore strictly regulated and often considered a slowly-evolving parameter. In contrast, we demonstrate an unexpected flexibility in cellular mutation rates ...

journal_title：eLife

authors： Swings T,Van den Bergh B,Wuyts S,Oeyen E,Voordeckers K,Verstrepen KJ,Fauvart M,Verstraeten N,Michiels J

更新日期：2017-05-02 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：:Adult-born neurons are continually produced in the dentate gyrus but it is unclear whether synaptic integration of new neurons affects the pre-existing circuit. Here we investigated how manipulating neurogenesis in adult mice alters excitatory synaptic transmission to mature dentate neurons. Enhancing neurogenesis by ...

journal_title：eLife

authors： Adlaf EW,Vaden RJ,Niver AJ,Manuel AF,Onyilo VC,Araujo MT,Dieni CV,Vo HT,King GD,Wadiche JI,Overstreet-Wadiche L

更新日期：2017-01-30 00:00:00

abstract：:A transcription factor that regulates skeleton formation in sea urchin embryos has evolved a new domain that is essential for this process. ...

journal_title：eLife

authors： Burke RD

更新日期：2018-01-08 00:00:00

abstract：:Rhythmic events recruit neuronal activity in the basal ganglia and cerebellum, but their roles remain elusive. In monkeys attempting to detect a single omission of isochronous visual stimulus, we found that neurons in the caudate nucleus showed increased activity for each stimulus in sequence, while those in the cereb...

journal_title：eLife

authors： Kameda M,Ohmae S,Tanaka M

更新日期：2019-09-06 00:00:00