Deep sampling of Hawaiian Caenorhabditis elegans reveals high genetic diversity and admixture with global populations.

abstract：:The neural control of transition between posture and movement encompasses the regulation of reflex-stabilizing mechanisms to enable motion. Optimal feedback theory suggests that such transitions require the disengagement of one motor control policy before the implementation of another. To test this possibility, we inv...

journal_title：eLife

authors： Tisserand R,Dakin CJ,Van der Loos MH,Croft EA,Inglis TJ,Blouin JS

更新日期：2018-07-10 00:00:00

abstract：:Humans can run without falling down, usually despite uneven terrain or occasional pushes. Even without such external perturbations, intrinsic sources like sensorimotor noise perturb the running motion incessantly, making each step variable. Here, using simple and generalizable models, we show that even such small step...

journal_title：eLife

authors： Seethapathi N,Srinivasan M

更新日期：2019-03-19 00:00:00

abstract：:Most evolutionary thinking is based on the notion of fitness and related ideas such as fitness landscapes and evolutionary optima. Nevertheless, it is often unclear what fitness actually is, and its meaning often depends on the context. Here we argue that fitness should not be a basal ingredient in verbal or mathemati...

journal_title：eLife

authors： Doebeli M,Ispolatov Y,Simon B

更新日期：2017-02-15 00:00:00

abstract：:During sleep, the brain experiences large fluctuations in blood volume and altered coupling between neural and vascular signals. ...

journal_title：eLife

authors： Williams SD,Lewis LD

更新日期：2020-12-23 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：:We reveal a novel mechanism that explains how preparatory activity can evolve in motor-related cortical areas without prematurely inducing movement. The smooth eye movement region of the frontal eye fields (FEFSEM) is a critical node in the neural circuit controlling smooth pursuit eye movement. Preparatory activity e...

journal_title：eLife

authors： Darlington TR,Lisberger SG

更新日期：2020-02-21 00:00:00

abstract：:In most animals, the brain controls the body via a set of descending neurons (DNs) that traverse the neck. DN activity activates, maintains or modulates locomotion and other behaviors. Individual DNs have been well-studied in species from insects to primates, but little is known about overall connectivity patterns acr...

journal_title：eLife

authors： Namiki S,Dickinson MH,Wong AM,Korff W,Card GM

更新日期：2018-06-26 00:00:00

abstract：:A temperature-sensitive receptor prevents mosquitoes from being attracted to targets that are hotter than a potential host. ...

journal_title：eLife

authors： Greppi C,Budelli G,Garrity PA

更新日期：2015-12-15 00:00:00

abstract：:The biological players involved in angiogenesis are only partially defined. Here, we report that endothelial cells (ECs) express a novel isoform of the cell-surface adhesion molecule L1CAM, termed L1-ΔTM. The splicing factor NOVA2, which binds directly to L1CAM pre-mRNA, is necessary and sufficient for the skipping of...

journal_title：eLife

authors： Angiolini F,Belloni E,Giordano M,Campioni M,Forneris F,Paronetto MP,Lupia M,Brandas C,Pradella D,Di Matteo A,Giampietro C,Jodice G,Luise C,Bertalot G,Freddi S,Malinverno M,Irimia M,Moulton JD,Summerton J,Chiapparino

更新日期：2019-03-04 00:00:00

abstract：:The fitness effects of synonymous mutations, nucleotide changes that do not alter the encoded amino acid, have often been assumed to be neutral, but a growing body of evidence suggests otherwise. We used site-directed mutagenesis coupled with direct measures of competitive fitness to estimate the distribution of fitne...

journal_title：eLife

authors： Lebeuf-Taylor E,McCloskey N,Bailey SF,Hinz A,Kassen R

更新日期：2019-07-19 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：:The final identity of a differentiated neuron is determined by multiple signaling events, including activity dependent calcium transients. Non-canonical Frizzled2 (Fz2) signaling generates calcium transients that determine neuronal polarity, neuronal migration, and synapse assembly in the developing vertebrate brain. ...

journal_title：eLife

authors： Agrawal T,Hasan G

更新日期：2015-05-08 00:00:00

abstract：:The multi-domain splicing factor RBM5 regulates the balance between antagonistic isoforms of the apoptosis-control genes FAS/CD95, Caspase-2 and AID. An OCRE (OCtamer REpeat of aromatic residues) domain found in RBM5 is important for alternative splicing regulation and mediates interactions with components of the U4/U...

journal_title：eLife

authors： Mourão A,Bonnal S,Soni K,Warner L,Bordonné R,Valcárcel J,Sattler M

更新日期：2016-11-29 00:00:00

abstract：:Ageing is a progressive decline of intrinsic physiological functions. We examined the impact of ageing on the ultrastructure and function of mitochondria in mouse and fruit flies (Drosophila melanogaster) by electron cryo-tomography and respirometry. We discovered distinct age-related changes in both model organisms. ...

journal_title：eLife

authors： Brandt T,Mourier A,Tain LS,Partridge L,Larsson NG,Kühlbrandt W

更新日期：2017-07-12 00:00:00

abstract：:Drosophila melanogaster males perform a series of courtship behaviors that, when successful, result in copulation with a female. For over a century, mutations in the yellow gene, named for its effects on pigmentation, have been known to reduce male mating success. Prior work has suggested that yellow influences mating...

journal_title：eLife

authors： Massey JH,Chung D,Siwanowicz I,Stern DL,Wittkopp PJ

更新日期：2019-10-15 00:00:00

abstract：:During outbreaks of high-consequence pathogens, airport screening programs have been deployed to curtail geographic spread of infection. The effectiveness of screening depends on several factors, including pathogen natural history and epidemiology, human behavior, and characteristics of the source epidemic. We develop...

journal_title：eLife

authors： Gostic KM,Kucharski AJ,Lloyd-Smith JO

更新日期：2015-02-19 00:00:00

abstract：:Clinical trials are currently underway to assess the efficacy of forniceal deep brain stimulation (DBS) for improvement of memory in Alzheimer's patients, and forniceal DBS has been shown to improve learning and memory in a mouse model of Rett syndrome (RTT), an intellectual disability disorder caused by loss-of-funct...

journal_title：eLife

authors： Pohodich AE,Yalamanchili H,Raman AT,Wan YW,Gundry M,Hao S,Jin H,Tang J,Liu Z,Zoghbi HY

更新日期：2018-03-23 00:00:00

abstract：:Journals are exploring new approaches to peer review in order to reduce bias, increase transparency and respond to author preferences. Funders are also getting involved. ...

journal_title：eLife

authors： Rodgers P

更新日期：2017-09-29 00:00:00

abstract：:Ion channel models are the building blocks of computational neuron models. Their biological fidelity is therefore crucial for the interpretation of simulations. However, the number of published models, and the lack of standardization, make the comparison of ion channel models with one another and with experimental dat...

journal_title：eLife

authors： Podlaski WF,Seeholzer A,Groschner LN,Miesenböck G,Ranjan R,Vogels TP

更新日期：2017-03-06 00:00:00

abstract：:Replication-dependent (RD) core histone mRNA produced during S-phase is the only known metazoan protein-coding mRNA presenting a 3' stem-loop instead of the otherwise universal polyA tail. A metallo β-lactamase (MBL) fold enzyme, cleavage and polyadenylation specificity factor 73 (CPSF73), is proposed to be the sole e...

journal_title：eLife

authors： Pettinati I,Grzechnik P,Ribeiro de Almeida C,Brem J,McDonough MA,Dhir S,Proudfoot NJ,Schofield CJ

更新日期：2018-12-03 00:00:00

abstract：:In animal-based biomedical research, both the sex and the age of the animals studied affect disease phenotypes by modifying their susceptibility, presentation and response to treatment. The accurate reporting of experimental methods and materials, including the sex and age of animals, is essential so that other resear...

journal_title：eLife

authors： Flórez-Vargas O,Brass A,Karystianis G,Bramhall M,Stevens R,Cruickshank S,Nenadic G

更新日期：2016-03-03 00:00:00

abstract：:Appropriate generalization of learned responses to new situations is vital for adaptive behavior. We provide a circuit-level account of generalization in the electrosensory lobe (ELL) of weakly electric mormyrid fish. Much is already known in this system about a form of learning in which motor corollary discharge sign...

journal_title：eLife

authors： Dempsey C,Abbott LF,Sawtell NB

更新日期：2019-03-14 00:00:00

abstract：:The pressure for every research article to tell a clear story often leads researchers in the life sciences to exclude experiments that 'did not work' when they write up their results. However, this practice can lead to reporting bias if the decisions about which experiments to exclude are taken after data have been co...

journal_title：eLife

authors： Neves K,Amaral OB

更新日期：2020-05-22 00:00:00

abstract：:The diaphragm muscle is essential for breathing in mammals. Its asymmetric elevation during contraction correlates with morphological features suggestive of inherent left-right (L/R) asymmetry. Whether this asymmetry is due to L versus R differences in the muscle or in the phrenic nerve activity is unknown. Here, we h...

journal_title：eLife

authors： Charoy C,Dinvaut S,Chaix Y,Morlé L,Sanyas I,Bozon M,Kindbeiter K,Durand B,Skidmore JM,De Groef L,Seki M,Moons L,Ruhrberg C,Martin JF,Martin DM,Falk J,Castellani V

更新日期：2017-06-22 00:00:00

abstract：:Compartmentalized oscillations of second messengers affect global cellular signaling. ...

journal_title：eLife

authors： Kuhn SM,Nadler A

更新日期：2020-11-17 00:00:00

abstract：:Homologous recombination (HR)-mediated repair of DNA double-strand break (DSB)s is restricted to the post-replicative phases of the cell cycle. Initiation of HR in the G1 phase blocks non-homologous end joining (NHEJ) impairing DSB repair. Completion of HR in G1 cells can lead to the loss-of-heterozygosity (LOH), whic...

journal_title：eLife

authors： Choi YE,Pan Y,Park E,Konstantinopoulos P,De S,D'Andrea A,Chowdhury D

更新日期：2014-04-30 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：:Sudden changes in the level of a coenzyme called NADPH might be the underlying cause of aging in cells. ...

journal_title：eLife

authors： Barral Y

更新日期：2013-02-05 00:00:00

abstract：:The CRISPR-Cas9 bacterial surveillance system has become a versatile tool for genome editing and gene regulation in eukaryotic cells, yet how CRISPR-Cas9 contends with the barriers presented by eukaryotic chromatin is poorly understood. Here we investigate how the smallest unit of chromatin, a nucleosome, constrains t...

journal_title：eLife

authors： Isaac RS,Jiang F,Doudna JA,Lim WA,Narlikar GJ,Almeida R

更新日期：2016-04-28 00:00:00

abstract：:Non-segmented negative-strand RNA viruses, such as measles, ebola and Newcastle disease viruses (NDV), encapsidate viral genomic RNAs into helical nucleocapsids, which serve as the template for viral replication and transcription. Here, the clam-shaped nucleocapsid structure, where the NDV viral genome is sequestered,...

journal_title：eLife

authors： Song X,Shan H,Zhu Y,Hu S,Xue L,Chen Y,Ding W,Niu T,Gu J,Ouyang S,Shen QT,Liu ZJ

更新日期：2019-07-10 00:00:00