Finding a worm's internal compass.

abstract：:We present a reanalysis of the stochastic model of organelle production and show that the equilibrium distributions for the organelle numbers predicted by this model can be readily calculated in three different scenarios. These three distributions can be identified as standard distributions, and the corresponding exac...

journal_title：eLife

authors： Craven CJ

更新日期：2015-12-22 00:00:00

abstract：:The twin-arginine protein translocation system (Tat) transports folded proteins across the bacterial cytoplasmic membrane and the thylakoid membranes of plant chloroplasts. The Tat transporter is assembled from multiple copies of the membrane proteins TatA, TatB, and TatC. We combine sequence co-evolution analysis, mo...

journal_title：eLife

authors： Alcock F,Stansfeld PJ,Basit H,Habersetzer J,Baker MA,Palmer T,Wallace MI,Berks BC

更新日期：2016-12-03 00:00:00

abstract：:A strain of budding yeast that contains one large chromosome reveals how the telomere capping complex CST maintains linear but not circular chromosomes. ...

journal_title：eLife

authors： Nugent C,Sugimoto K

更新日期：2020-08-05 00:00:00

abstract：:Convenient, efficient and fast whole-brain delivery of transgenes presents a persistent experimental challenge in neuroscience. Recent advances demonstrate whole-brain gene delivery by retro-orbital injection of virus, but slow and sparse expression and the large injection volumes required make this approach cumbersom...

journal_title：eLife

authors： Hamodi AS,Martinez Sabino A,Fitzgerald ND,Moschou D,Crair MC

更新日期：2020-05-18 00:00:00

abstract：:Trypanosome parasites are hiding in human skin, a discovery that may undermine efforts to eliminate sleeping sickness by 2020. ...

journal_title：eLife

authors： Casas-Sánchez A,Acosta-Serrano Á

更新日期：2016-10-14 00:00:00

abstract：:We report the crystal structure of nuclear import receptor Importin-9 bound to its cargo, the histones H2A-H2B. Importin-9 wraps around the core, globular region of H2A-H2B to form an extensive interface. The nature of this interface coupled with quantitative analysis of deletion mutants of H2A-H2B suggests that the N...

journal_title：eLife

authors： Padavannil A,Sarkar P,Kim SJ,Cagatay T,Jiou J,Brautigam CA,Tomchick DR,Sali A,D'Arcy S,Chook YM

更新日期：2019-03-11 00:00:00

abstract：:We determined differential gene expression in response to high glucose in lymphoblastoid cell lines derived from matched individuals with type 1 diabetes with and without retinopathy. Those genes exhibiting the largest difference in glucose response were assessed for association with diabetic retinopathy in a genome-w...

journal_title：eLife

authors： Skol AD,Jung SC,Sokovic AM,Chen S,Fazal S,Sosina O,Borkar PP,Lin A,Sverdlov M,Cao D,Swaroop A,Bebu I,DCCT\/EDIC Study group.,Stranger BE,Grassi MA

更新日期：2020-11-09 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：:Recently, a small-molecule communication mechanism was discovered in a range of Bacillus-infecting bacteriophages, which these temperate phages use to inform their lysis-lysogeny decision. We present a mathematical model of the ecological and evolutionary dynamics of such viral communication, and show that a communica...

journal_title：eLife

authors： Doekes HM,Mulder GA,Hermsen R

更新日期：2021-01-18 00:00:00

abstract：:How Mycobacterium tuberculosis (Mtb) rewires macrophage energy metabolism to facilitate survival is poorly characterized. Here, we used extracellular flux analysis to simultaneously measure the rates of glycolysis and respiration in real time. Mtb infection induced a quiescent energy phenotype in human monocyte-derive...

journal_title：eLife

authors： Cumming BM,Addicott KW,Adamson JH,Steyn AJ

更新日期：2018-11-16 00:00:00

abstract：:Spore killers in fungi are selfish genetic elements that distort Mendelian segregation in their favor. It remains unclear how many species harbor them and how diverse their mechanisms are. Here, we discover two spore killers from a natural isolate of the fission yeast Schizosaccharomyces pombe. Both killers belong to ...

journal_title：eLife

authors： Hu W,Jiang ZD,Suo F,Zheng JX,He WZ,Du LL

更新日期：2017-06-20 00:00:00

abstract：:In Arabidopsis thaliana, winter is registered during vernalization through the temperature-dependent repression and epigenetic silencing of floral repressor FLOWERING LOCUS C (FLC). Natural Arabidopsis accessions show considerable variation in vernalization. However, which aspect of the FLC repression mechanism is mos...

journal_title：eLife

authors： Hepworth J,Antoniou-Kourounioti RL,Berggren K,Selga C,Tudor EH,Yates B,Cox D,Collier Harris BR,Irwin JA,Howard M,Säll T,Holm S,Dean C

更新日期：2020-09-09 00:00:00

abstract：:The actomyosin ring generates force to ingress the cytokinetic cleavage furrow in animal cells, yet its filament organization and the mechanism of contractility is not well understood. We quantified actin filament order in human cells using fluorescence polarization microscopy and found that cleavage furrow ingression...

journal_title：eLife

authors： Spira F,Cuylen-Haering S,Mehta S,Samwer M,Reversat A,Verma A,Oldenbourg R,Sixt M,Gerlich DW

更新日期：2017-11-06 00:00:00

abstract：:Asymmetric disassembly of the synaptonemal complex (SC) is crucial for proper meiotic chromosome segregation. However, the signaling mechanisms that directly regulate this process are poorly understood. Here we show that the mammalian Rho GEF homolog, ECT-2, functions through the conserved RAS/ERK MAP kinase signaling...

journal_title：eLife

authors： Nadarajan S,Mohideen F,Tzur YB,Ferrandiz N,Crawley O,Montoya A,Faull P,Snijders AP,Cutillas PR,Jambhekar A,Blower MD,Martinez-Perez E,Harper JW,Colaiacovo MP

更新日期：2016-02-27 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

abstract：:Plasma cells (PCs) are essential for protection from infection, and at the origin of incurable cancers. Current studies do not circumvent the limitations of removing PCs from their microenvironment and confound formation and maintenance. Also, the investigation of PC population dynamics has mostly relied on nucleotide...

journal_title：eLife

authors： Xu AQ,Barbosa RR,Calado DP

更新日期：2020-11-02 00:00:00

abstract：:We tested the proposal that the C-terminal domain (CTD) of the AMPAR subunit GluA1 is required for LTP. We found that a knock-in mouse lacking the CTD of GluA1 expresses normal LTP and spatial memory, assayed by the Morris water maze. Our results support a model in which LTP generates synaptic slots, which capture pas...

journal_title：eLife

authors： Díaz-Alonso J,Morishita W,Incontro S,Simms J,Holtzman J,Gill M,Mucke L,Malenka RC,Nicoll RA

更新日期：2020-08-24 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：:Selective packaging of HIV-1 genomic RNA (gRNA) requires the presence of a cis-acting RNA element called the 'packaging signal' (Ψ). However, the mechanism by which Ψ promotes selective packaging of the gRNA is not well understood. We used fluorescence correlation spectroscopy and quenching data to monitor the binding...

journal_title：eLife

authors： Comas-Garcia M,Datta SA,Baker L,Varma R,Gudla PR,Rein A

更新日期：2017-07-20 00:00:00

abstract：:Cognitive functions such as working memory (WM) are emergent properties of large-scale network interactions. Synchronisation of oscillatory activity might contribute to WM by enabling the coordination of long-range processes. However, causal evidence for the way oscillatory activity shapes network dynamics and behavio...

journal_title：eLife

authors： Violante IR,Li LM,Carmichael DW,Lorenz R,Leech R,Hampshire A,Rothwell JC,Sharp DJ

更新日期：2017-03-14 00:00:00

abstract：:Rising and more variable global temperatures pose a challenge for biodiversity, with reproduction and fertility being especially sensitive to heat. Here, we assessed the potential for thermal adaptation in sperm and egg function using Tribolium flour beetles, a warm-temperate-tropical insect model. Following temperatu...

journal_title：eLife

authors： Vasudeva R,Sutter A,Sales K,Dickinson ME,Lumley AJ,Gage MJ

更新日期：2019-10-01 00:00:00

abstract：:Recent advances in single-cell transcriptomics techniques have opened the door to the study of gene regulatory networks (GRNs) at the single-cell level. Here, we studied the GRNs controlling the emergence of hematopoietic stem and progenitor cells from mouse embryonic endothelium using a combination of single-cell tra...

journal_title：eLife

authors： Bergiers I,Andrews T,Vargel Bölükbaşı Ö,Buness A,Janosz E,Lopez-Anguita N,Ganter K,Kosim K,Celen C,Itır Perçin G,Collier P,Baying B,Benes V,Hemberg M,Lancrin C

更新日期：2018-03-20 00:00:00

abstract：Background:Malaria elimination strategies require a thorough understanding of parasite transmission from human to mosquito. A clinical model to induce gametocytes to understand their dynamics and evaluate transmission-blocking interventions (TBI) is currently unavailable. Here, we explore the use of the well-establishe...

journal_title：eLife

authors： Reuling IJ,van de Schans LA,Coffeng LE,Lanke K,Meerstein-Kessel L,Graumans W,van Gemert GJ,Teelen K,Siebelink-Stoter R,van de Vegte-Bolmer M,de Mast Q,van der Ven AJ,Ivinson K,Hermsen CC,de Vlas S,Bradley J,Collins KA,O

更新日期：2018-02-27 00:00:00

abstract：:Two distinct mechanisms for primordial germ cell (PGC) specification are observed within Bilatera: early determination by maternal factors or late induction by zygotic cues. Here we investigate the molecular basis for PGC specification in Nematostella, a representative pre-bilaterian animal where PGCs arise as paired ...

journal_title：eLife

authors： Chen CY,McKinney SA,Ellington LR,Gibson MC

更新日期：2020-09-24 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：:Bacterial flagella mediate host-microbe interactions through tissue tropism during colonization, as well as by activating immune responses. The flagellar shaft of some bacteria, including several human pathogens, is encased in a membranous sheath of unknown function. While it has been hypothesized that the sheath may ...

journal_title：eLife

authors： Brennan CA,Hunt JR,Kremer N,Krasity BC,Apicella MA,McFall-Ngai MJ,Ruby EG

更新日期：2014-03-04 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：:Mitochondria are dynamic organelles that must precisely control their protein composition according to cellular energy demand. Although nuclear-encoded mRNAs can be localized to the mitochondrial surface, the importance of this localization is unclear. As yeast switch to respiratory metabolism, there is an increase in...

journal_title：eLife

authors： Tsuboi T,Viana MP,Xu F,Yu J,Chanchani R,Arceo XG,Tutucci E,Choi J,Chen YS,Singer RH,Rafelski SM,Zid BM

更新日期：2020-08-07 00:00:00

abstract：:Comparing the brains of related species faces the challenges of establishing homologies whilst accommodating evolutionary specializations. Here we propose a general framework for understanding similarities and differences between the brains of primates. The approach uses white matter blueprints of the whole cortex bas...

journal_title：eLife

authors： Mars RB,Sotiropoulos SN,Passingham RE,Sallet J,Verhagen L,Khrapitchev AA,Sibson N,Jbabdi S

更新日期：2018-05-11 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