ATR expands embryonic stem cell fate potential in response to replication stress.

abstract：:The human insular cortex is a heterogeneous brain structure which plays an integrative role in guiding behavior. The cytoarchitectonic organization of the human insula has been investigated over the last century using postmortem brains but there has been little progress in noninvasive in vivo mapping of its microstruc...

journal_title：eLife

authors： Menon V,Gallardo G,Pinsk MA,Nguyen VD,Li JR,Cai W,Wassermann D

更新日期：2020-06-04 00:00:00

abstract：:Motile ciliopathies are characterized by specific defects in cilia beating that result in chronic airway disease, subfertility, ectopic pregnancy, and hydrocephalus. While many patients harbor mutations in the dynein motors that drive cilia beating, the disease also results from mutations in so-called dynein axonemal ...

journal_title：eLife

authors： Huizar RL,Lee C,Boulgakov AA,Horani A,Tu F,Marcotte EM,Brody SL,Wallingford JB

更新日期：2018-12-18 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：:The clone size distribution of the human naive T-cell receptor (TCR) repertoire is an important determinant of adaptive immunity. We estimated the abundance of TCR sequences in samples of naive T cells from blood using an accurate quantitative sequencing protocol. We observe most TCR sequences only once, consistent wi...

journal_title：eLife

authors： de Greef PC,Oakes T,Gerritsen B,Ismail M,Heather JM,Hermsen R,Chain B,de Boer RJ

更新日期：2020-03-18 00:00:00

abstract：:DNA is a remarkably precise medium for copying and storing biological information. This high fidelity results from the action of hundreds of genes involved in replication, proofreading, and damage repair. Evolutionary theory suggests that in such a system, selection has limited ability to remove genetic variants that ...

journal_title：eLife

authors： Harris K,Pritchard JK

更新日期：2017-04-25 00:00:00

abstract：:Mutations in the polycystin genes, PKD1 or PKD2, results in Autosomal Dominant Polycystic Kidney Disease (ADPKD). Although a genetic basis of ADPKD is established, we lack a clear understanding of polycystin proteins' functions as ion channels. This question remains unsolved largely because polycystins localize to the...

journal_title：eLife

authors： Liu X,Vien T,Duan J,Sheu SH,DeCaen PG,Clapham DE

更新日期：2018-02-14 00:00:00

abstract：:Innate lymphoid cells (ILCs) are recently identified lymphocytes that limit infection and promote tissue repair at mucosal surfaces. However, the pathways underlying ILC development remain unclear. Here we show that the transcription factor NFIL3 directs the development of a committed bone marrow precursor that differ...

journal_title：eLife

authors： Yu X,Wang Y,Deng M,Li Y,Ruhn KA,Zhang CC,Hooper LV

更新日期：2014-10-13 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：:Bone destruction relies on interactions between bone and immune cells. Bone-resorbing osteoclasts (OCLs) were recently identified as innate immune cells activating T cells toward tolerance or inflammation. Thus, pathological bone destruction not only relies on increased osteoclast differentiation, but also on the pres...

journal_title：eLife

authors： Madel MB,Ibáñez L,Ciucci T,Halper J,Rouleau M,Boutin A,Hue C,Duroux-Richard I,Apparailly F,Garchon HJ,Wakkach A,Blin-Wakkach C

更新日期：2020-05-13 00:00:00

abstract：:Coat protein complex II (COPII) mediates formation of the membrane vesicles that export newly synthesised proteins from the endoplasmic reticulum. The inner COPII proteins bind to cargo and membrane, linking them to the outer COPII components that form a cage around the vesicle. Regulated flexibility in coat architect...

journal_title：eLife

authors： Zanetti G,Prinz S,Daum S,Meister A,Schekman R,Bacia K,Briggs JA

更新日期：2013-09-17 00:00:00

abstract：:Examining whether and how the rhythms of limb and breathing movements interact is highly informative about the mechanistic origin of hyperpnoea during running exercise. However, studies have failed to reveal regularities. In particular, whether breathing frequency is inherently proportional to limb velocity and impose...

journal_title：eLife

authors： Hérent C,Diem S,Fortin G,Bouvier J

更新日期：2020-12-01 00:00:00

abstract：:Understanding the molecular mechanism of glaucoma and development of neuroprotectants is significantly hindered by the lack of a reliable animal model that accurately recapitulates human glaucoma. Here, we sought to develop a mouse model for the secondary glaucoma that is often observed in humans after silicone oil (S...

journal_title：eLife

authors： Zhang J,Li L,Huang H,Fang F,Webber HC,Zhuang P,Liu L,Dalal R,Tang PH,Mahajan VB,Sun Y,Li S,Zhang M,Goldberg JL,Hu Y

更新日期：2019-05-15 00:00:00

abstract：:Down syndrome (DS) results in various degrees of cognitive deficits. In DS mouse models, recovery of behavioral and neurophysiological deficits using GABAAR antagonists led to hypothesize an excessive activity of inhibitory circuits in this condition. Nonetheless, whether over-inhibition is present in DS and whether t...

journal_title：eLife

authors： Zorrilla de San Martin J,Donato C,Peixoto J,Aguirre A,Choudhary V,De Stasi AM,Lourenço J,Potier MC,Bacci A

更新日期：2020-08-12 00:00:00

abstract：:How does the skeleton detect and adapt to changes in the mechanical load it has to carry? ...

journal_title：eLife

authors： Haelterman N,Lim J

更新日期：2019-10-07 00:00:00

abstract：:XMAP215/Stu2/Alp14 proteins accelerate microtubule plus-end polymerization by recruiting tubulins via arrays of tumor overexpressed gene (TOG) domains, yet their mechanism remains unknown. Here, we describe the biochemical and structural basis for TOG arrays in recruiting and polymerizing tubulins. Alp14 binds four tu...

journal_title：eLife

authors： Nithianantham S,Cook BD,Beans M,Guo F,Chang F,Al-Bassam J

更新日期：2018-11-13 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：:Research on mutant tobacco plants shows that a pigment called β-carotene is not necessary for photosynthesis. ...

journal_title：eLife

authors： Telfer A

更新日期：2020-11-03 00:00:00

abstract：:Centering and decentering of cellular components is essential for internal organization of cells and their ability to perform basic cellular functions such as division and motility. How cells achieve proper localization of their organelles is still not well-understood, especially in large cells such as oocytes. Here, ...

journal_title：eLife

authors： Ierushalmi N,Malik-Garbi M,Manhart A,Abu Shah E,Goode BL,Mogilner A,Keren K

更新日期：2020-04-21 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：:AKT is implicated in neurological disorders. AKT has three isoforms, AKT1/AKT2/AKT3, with brain cell type-specific expression that may differentially influence behavior. Therefore, we examined single Akt isoform, conditional brain-specific Akt1, and double Akt1/3 mutant mice in behaviors relevant to neuropsychiatric d...

journal_title：eLife

authors： Wong H,Levenga J,LaPlante L,Keller B,Cooper-Sansone A,Borski C,Milstead R,Ehringer M,Hoeffer C

更新日期：2020-12-16 00:00:00

abstract：:Pathological metabolic conditions such as ischemia induce the rupture of the mitochondrial envelope and the release of pro-apoptotic proteins, leading to cell death. At the onset of this process, the inner mitochondrial membrane becomes depolarized and permeable to osmolytes, proposedly due to the opening of a non-sel...

journal_title：eLife

authors： Zhou W,Marinelli F,Nief C,Faraldo-Gómez JD

更新日期：2017-02-10 00:00:00

abstract：:Axonal conduction velocity can change substantially during ongoing activity, thus modifying spike interval structures and, potentially, temporal coding. We used a biophysical model to unmask mechanisms underlying the history-dependence of conduction. The model replicates activity in the unmyelinated axon of the crusta...

journal_title：eLife

authors： Zhang Y,Bucher D,Nadim F

更新日期：2017-07-10 00:00:00

abstract：:Autophagy has been linked to longevity in many species, but the underlying mechanisms are unclear. Using a GFP-tagged and a new tandem-tagged Atg8/LGG-1 reporter, we quantified autophagic vesicles and performed autophagic flux assays in multiple tissues of wild-type Caenorhabditis elegans and long-lived daf-2/insulin/...

journal_title：eLife

authors： Chang JT,Kumsta C,Hellman AB,Adams LM,Hansen M

更新日期：2017-07-04 00:00:00

abstract：:Differentiation of cellular lineages is facilitated by asymmetric segregation of fate determinants between dividing cells. In budding yeast, various aging factors segregate to the aging (mother)-lineage, with poorly understood consequences. In this study, we show that yeast mother cells form a protein aggregate during...

journal_title：eLife

authors： Saarikangas J,Barral Y

更新日期：2015-11-06 00:00:00

abstract：:Understanding how fungi specialize on their plant host is crucial for developing sustainable disease control. A traditional, centuries-old rice agro-system of the Yuanyang terraces was used as a model to show that virulence effectors of the rice blast fungus Magnaporthe oryzaeh play a key role in its specialization on...

journal_title：eLife

authors： Liao J,Huang H,Meusnier I,Adreit H,Ducasse A,Bonnot F,Pan L,He X,Kroj T,Fournier E,Tharreau D,Gladieux P,Morel JB

更新日期：2016-12-23 00:00:00

abstract：:Adipocyte differentiation is a strictly controlled process regulated by a series of transcriptional activators. Adipogenic signals activate early adipogenic activators and facilitate the transient formation of early enhanceosomes at target genes. These enhancer regions are subsequently inherited by late enhanceosomes....

journal_title：eLife

authors： Watanabe M,Takahashi H,Saeki Y,Ozaki T,Itoh S,Suzuki M,Mizushima W,Tanaka K,Hatakeyama S

更新日期：2015-04-23 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：:TFIID-a complex of TATA-binding protein (TBP) and TBP-associated factors (TAFs)-is a central component of the Pol II promoter recognition apparatus. Recent studies have revealed significant downregulation of TFIID subunits in terminally differentiated myocytes, hepatocytes and adipocytes. Here, we report that TBP prot...

journal_title：eLife

authors： Li L,Martinez SS,Hu W,Liu Z,Tjian R

更新日期：2015-09-22 00:00:00

abstract：:Pancreatic ductal adenocarcinoma (PDAC) is a devastating disease. Although rigorous efforts identified the presence of 'cancer stem cells (CSCs)' in PDAC and molecular markers for them, stem cell dynamics in vivo have not been clearly demonstrated. Here we focused on Doublecortin-like kinase 1 (Dclk1), known as a CSC ...

journal_title：eLife

authors： Maruno T,Fukuda A,Goto N,Tsuda M,Ikuta K,Hiramatsu Y,Ogawa S,Nakanishi Y,Yamaga Y,Yoshioka T,Takaori K,Uemoto S,Saur D,Chiba T,Seno H

更新日期：2021-01-04 00:00:00

abstract：:Antagonistic receptive field surrounds are a near-universal property of early sensory processing. A key assumption in many models for retinal ganglion cell encoding is that receptive field surrounds are added only to the fully formed center signal. But anatomical and functional observations indicate that surrounds are...

journal_title：eLife

authors： Turner MH,Schwartz GW,Rieke F

更新日期：2018-09-06 00:00:00