MicroRNAs down-regulate homologous recombination in the G1 phase of cycling cells to maintain genomic stability.

abstract：:Cell-cell communication in multicellular organisms depends on the dynamic and reversible phosphorylation of protein tyrosine residues. The receptor-linked protein tyrosine phosphatases (RPTPs) receive cues from the extracellular environment and are well placed to influence cell signaling. However, the direct events do...

journal_title：eLife

authors： Fearnley GW,Young KA,Edgar JR,Antrobus R,Hay IM,Liang WC,Martinez-Martin N,Lin W,Deane JE,Sharpe HJ

更新日期：2019-03-29 00:00:00

abstract：:Optogenetic approaches are leading to a better understanding of the forces that determine the plane of cell division. ...

journal_title：eLife

authors： Serra-Marques A,Dumont S

更新日期：2018-07-09 00:00:00

abstract：:Mouse GnT1IP-L, and membrane-bound GnT1IP-S (MGAT4D) expressed in cultured cells inhibit MGAT1, the N-acetylglucosaminyltransferase that initiates the synthesis of hybrid and complex N-glycans. However, it is not known where in the secretory pathway GnT1IP-L inhibits MGAT1, nor whether GnT1IP-L inhibits other N-glycan...

journal_title：eLife

authors： Huang HH,Hassinen A,Sundaram S,Spiess AN,Kellokumpu S,Stanley P

更新日期：2015-09-15 00:00:00

abstract：:The inferior colliculus (IC) is the major midbrain auditory integration center, where virtually all ascending auditory inputs converge. Although the IC has been extensively studied for sound processing, little is known about the neural activity of the IC in moving subjects, as frequently happens in natural hearing con...

journal_title：eLife

authors： Yang Y,Lee J,Kim G

更新日期：2020-01-28 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：:Aedes aegypti transmit pathogenic arboviruses while the mosquito itself tolerates the infection. We examine a piRNA-based immunity that relies on the acquisition of viral derived cDNA (vDNA) and how this pathway discriminates between self and non-self. The piRNAs derived from these vDNAs are essential for virus contro...

journal_title：eLife

authors： Tassetto M,Kunitomi M,Whitfield ZJ,Dolan PT,Sánchez-Vargas I,Garcia-Knight M,Ribiero I,Chen T,Olson KE,Andino R

更新日期：2019-10-17 00:00:00

abstract：:Modern neuroscience research often requires the coordination of multiple processes such as stimulus generation, real-time experimental control, as well as behavioral and neural measurements. The technical demands required to simultaneously manage these processes with high temporal fidelity is a barrier that limits the...

journal_title：eLife

authors： Kim B,Kenchappa SC,Sunkara A,Chang TY,Thompson L,Doudlah R,Rosenberg A

更新日期：2019-02-07 00:00:00

abstract：:The characteristics of goal-directed actions tend to resemble those of previously executed actions, but it is unclear whether such effects depend strictly on action history, or also reflect context-dependent processes related to predictive motor planning. Here we manipulated the time available to initiate movements af...

journal_title：eLife

authors： Marinovic W,Poh E,de Rugy A,Carroll TJ

更新日期：2017-10-23 00:00:00

abstract：:Tumor-initiating stem cells (SCs) exhibit distinct patterns of transcription factors and gene expression compared to healthy counterparts. Here, we show that dramatic shifts in large open-chromatin domain (super-enhancer) landscapes underlie these differences and reflect tumor microenvironment. By in vivo super-enhanc...

journal_title：eLife

authors： Yang H,Schramek D,Adam RC,Keyes BE,Wang P,Zheng D,Fuchs E

更新日期：2015-11-21 00:00:00

abstract：:Retromer, including Vps35, Vps26, and Vps29, is a protein complex responsible for recycling proteins within the endolysosomal pathway. Although implicated in both Parkinson's and Alzheimer's disease, our understanding of retromer function in the adult brain remains limited, in part because Vps35 and Vps26 are essentia...

journal_title：eLife

authors： Ye H,Ojelade SA,Li-Kroeger D,Zuo Z,Wang L,Li Y,Gu JY,Tepass U,Rodal AA,Bellen HJ,Shulman JM

更新日期：2020-04-14 00:00:00

abstract：:Deinococcus radiodurans (DR) survives in the presence of hundreds of double-stranded DNA (dsDNA) breaks by efficiently repairing such breaks. RecO, a protein that is essential for the extreme radioresistance of DR, is one of the major recombination mediator proteins in the RecA-loading process in the RecFOR pathway. H...

journal_title：eLife

authors： Hwang J,Kim JY,Kim C,Park S,Joo S,Kim SK,Lee NK

更新日期：2020-04-16 00:00:00

abstract：:Apical secretion from epithelial tubes of the Drosophila embryo is mediated by apical F-actin cables generated by the formin-family protein Diaphanous (Dia). Apical localization and activity of Dia are at the core of restricting F-actin formation to the correct membrane domain. Here we identify the mechanisms that tar...

journal_title：eLife

authors： Rousso T,Shewan AM,Mostov KE,Schejter ED,Shilo BZ

更新日期：2013-07-09 00:00:00

abstract：:Jellyfish, with their tetraradial symmetry, offer a novel paradigm for addressing patterning mechanisms during regeneration. Here we show that an interplay between mechanical forces, cell migration and proliferation allows jellyfish fragments to regain shape and functionality rapidly, notably by efficient restoration ...

journal_title：eLife

authors： Sinigaglia C,Peron S,Eichelbrenner J,Chevalier S,Steger J,Barreau C,Houliston E,Leclère L

更新日期：2020-09-07 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：:We collated contact tracing data from COVID-19 clusters in Singapore and Tianjin, China and estimated the extent of pre-symptomatic transmission by estimating incubation periods and serial intervals. The mean incubation periods accounting for intermediate cases were 4.91 days (95%CI 4.35, 5.69) and 7.54 (95%CI 6.76, 8...

journal_title：eLife

authors： Tindale LC,Stockdale JE,Coombe M,Garlock ES,Lau WYV,Saraswat M,Zhang L,Chen D,Wallinga J,Colijn C

更新日期：2020-06-22 00:00:00

abstract：:Exhaustion of stem cells is a hallmark of aging. In the Drosophila testis, dedifferentiated germline stem cells (GSCs) derived from spermatogonia increase during lifespan, leading to the model that dedifferentiation counteracts the decline of GSCs in aged males. To test this, we blocked dedifferentiation by mis-expres...

journal_title：eLife

authors： Herrera SC,Bach EA

更新日期：2018-07-09 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：:Mechanisms of the neural circuits that guide mating decisions in male flies are becoming clearer. ...

journal_title：eLife

authors： Campetella F,Sachse S

更新日期：2015-12-23 00:00:00

abstract：:The two centrioles of the centrosome in quiescent cells are inherently asymmetric structures that differ in age, morphology and function. How these asymmetric properties are established and maintained during quiescence remains unknown. Here, we show that a daughter centriole-associated ciliopathy protein, Cep120, play...

journal_title：eLife

authors： Betleja E,Nanjundappa R,Cheng T,Mahjoub MR

更新日期：2018-05-09 00:00:00

abstract：:Secondary metabolites have a great potential as pharmaceuticals, but there are only a few examples where regulation of gene cluster expression has been correlated with ecological and physiological relevance for the producer. Here, signals, mediators, and biological effects of terrein production were studied in the fun...

journal_title：eLife

authors： Gressler M,Meyer F,Heine D,Hortschansky P,Hertweck C,Brock M

更新日期：2015-07-14 00:00:00

abstract：:Humans and other animals base important decisions on estimates of number, and intraparietal cortex is thought to provide a crucial substrate of this ability. However, it remains debated whether an independent neuronal processing mechanism underlies this 'number sense', or whether number is instead judged indirectly on...

journal_title：eLife

authors： Castaldi E,Piazza M,Dehaene S,Vignaud A,Eger E

更新日期：2019-07-24 00:00:00

abstract：:The COVID-19 pandemic is a harsh reminder of the fact that, whether in a single human host or a wave of infection across continents, viral dynamics is often a story about the numbers. In this article we provide a one-stop, curated graphical source for the key numbers (based mostly on the peer-reviewed literature) abou...

journal_title：eLife

authors： Bar-On YM,Flamholz A,Phillips R,Milo R

更新日期：2020-04-02 00:00:00

abstract：:In most vertebrate neurons, action potentials are triggered at the distal end of the axon initial segment (AIS). Both position and length of the AIS vary across and within neuron types, with activity, development and pathology. What is the impact of AIS geometry on excitability? Direct empirical assessment has proven ...

journal_title：eLife

authors： Goethals S,Brette R

更新日期：2020-03-30 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 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：:We generated induced excitatory neurons (iNeurons, iNs) from chimpanzee, bonobo, and human stem cells by expressing the transcription factor neurogenin-2 (NGN2). Single-cell RNA sequencing showed that genes involved in dendrite and synapse development are expressed earlier during iNs maturation in the chimpanzee and b...

journal_title：eLife

authors： Schörnig M,Ju X,Fast L,Ebert S,Weigert A,Kanton S,Schaffer T,Nadif Kasri N,Treutlein B,Peter BM,Hevers W,Taverna E

更新日期：2021-01-20 00:00:00

abstract：:Actin filaments assemble inside the nucleus in response to multiple cellular perturbations, including heat shock, protein misfolding, integrin engagement, and serum stimulation. We find that DNA damage also generates nuclear actin filaments-detectable by phalloidin and live-cell actin probes-with three characteristic ...

journal_title：eLife

authors： Belin BJ,Lee T,Mullins RD

更新日期：2015-08-19 00:00:00

abstract：:Temporal patterning of neural progenitors leads to the sequential production of diverse neurons. To understand how extrinsic cues influence intrinsic temporal programs, we studied Drosophila mushroom body progenitors (neuroblasts) that sequentially produce only three neuronal types: γ, then α'β', followed by αβ. Oppos...

journal_title：eLife

authors： Rossi AM,Desplan C

更新日期：2020-07-06 00:00:00

abstract：:Ribonucleotide reductases (RNRs) convert ribonucleotides into deoxyribonucleotides, a reaction essential for DNA replication and repair. Human RNR requires two subunits for activity, the α subunit contains the active site, and the β subunit houses the radical cofactor. Here, we present a 3.3-Å resolution structure by ...

journal_title：eLife

authors： Brignole EJ,Tsai KL,Chittuluru J,Li H,Aye Y,Penczek PA,Stubbe J,Drennan CL,Asturias F

更新日期：2018-02-20 00:00:00

abstract：:Protein aggregation appears to originate from partially unfolded conformations that are sampled through stochastic fluctuations of the native protein. It has been a challenge to characterize these fluctuations, under native like conditions. Here, the conformational dynamics of the full-length (23-231) mouse prion prot...

journal_title：eLife

authors： Goluguri RR,Sen S,Udgaonkar J

更新日期：2019-04-26 00:00:00