Regulation of the PI3K pathway through a p85α monomer-homodimer equilibrium.

abstract：:Some anaerobic bacteria use insoluble minerals as terminal electron acceptors and discovering the ways in which electrons move through the membrane barrier to the exterior acceptor forms an active field of research with implications for both bacterial physiology and bioenergy. A previous study suggested that Shewanell...

journal_title：eLife

authors： Mevers E,Su L,Pishchany G,Baruch M,Cornejo J,Hobert E,Dimise E,Ajo-Franklin CM,Clardy J

更新日期：2019-06-24 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：:Gap junctions are widely distributed in the brains across species and play essential roles in neural information processing. However, the role of gap junctions in insect cognition remains poorly understood. Using a flight simulator paradigm and genetic tools, we found that gap junctions are present in Drosophila Kenyo...

journal_title：eLife

authors： Liu Q,Yang X,Tian J,Gao Z,Wang M,Li Y,Guo A

更新日期：2016-05-24 00:00:00

abstract：:A mathematical model shows how the shape of early multicellular organisms may have helped cells evolve specialized roles. ...

journal_title：eLife

authors： Staps M,Tarnita C

更新日期：2020-11-03 00:00:00

abstract：:Upon detecting endoplasmic reticulum (ER) stress, the unfolded protein response (UPR) orchestrates adaptive cellular changes to reestablish homeostasis. If stress resolution fails, the UPR commits the cell to apoptotic death. Here we show that in hematopoietic cells, including multiple myeloma (MM), lymphoma, and leuk...

journal_title：eLife

authors： Shemorry A,Harnoss JM,Guttman O,Marsters SA,Kőműves LG,Lawrence DA,Ashkenazi A

更新日期：2019-08-27 00:00:00

abstract：:Mitochondrial division, essential for survival in mammals, is enhanced by an inter-organellar process involving ER tubules encircling and constricting mitochondria. The force for constriction is thought to involve actin polymerization by the ER-anchored isoform of the formin protein inverted formin 2 (INF2). Unknown i...

journal_title：eLife

authors： Manor U,Bartholomew S,Golani G,Christenson E,Kozlov M,Higgs H,Spudich J,Lippincott-Schwartz J

更新日期：2015-08-25 00:00:00

abstract：:Mature microRNAs (miRNAs) are processed from primary transcripts (pri-miRNAs), and their expression is controlled at transcriptional and post-transcriptional levels. However, how regulation at multiple levels achieves precise control remains elusive. Using published and new datasets, we profile a time course of mature...

journal_title：eLife

authors： Zhou L,Lim MYT,Kaur P,Saj A,Bortolamiol-Becet D,Gopal V,Tolwinski N,Tucker-Kellogg G,Okamura K

更新日期：2018-07-19 00:00:00

abstract：:Little is known about venom in young developmental stages of animals. The appearance of toxins and stinging cells during early embryonic stages in the sea anemone Nematostella vectensis suggests that venom is already expressed in eggs and larvae of this species. Here, we harness transcriptomic, biochemical and transge...

journal_title：eLife

authors： Columbus-Shenkar YY,Sachkova MY,Macrander J,Fridrich A,Modepalli V,Reitzel AM,Sunagar K,Moran Y

更新日期：2018-02-09 00:00:00

abstract：:Recent epidemiological and laboratory-based studies suggest that the anti-diabetic drug metformin prevents cancer progression. How metformin diminishes tumor growth is not fully understood. In this study, we report that in human cancer cells, metformin inhibits mitochondrial complex I (NADH dehydrogenase) activity and...

journal_title：eLife

authors： Wheaton WW,Weinberg SE,Hamanaka RB,Soberanes S,Sullivan LB,Anso E,Glasauer A,Dufour E,Mutlu GM,Budigner GS,Chandel NS

更新日期：2014-05-13 00:00:00

abstract：:The COVID-19 pandemic has resulted in school closures and distancing requirements that have disrupted both work and family life for many. Concerns exist that these disruptions caused by the pandemic may not have influenced men and women researchers equally. Many medical journals have published papers on the pandemic, ...

journal_title：eLife

authors： Andersen JP,Nielsen MW,Simone NL,Lewiss RE,Jagsi R

更新日期：2020-06-15 00:00:00

abstract：:Psychological theories of suicide suggest that certain traits may reduce aversion to physical threat and increase the probability of transitioning from suicidal ideation to action. Here, we investigated whether blunted sensitivity to bodily signals is associated with suicidal action by comparing individuals with a his...

journal_title：eLife

authors： DeVille DC,Kuplicki R,Stewart JL,Tulsa 1000 Investigators.,Paulus MP,Khalsa SS

更新日期：2020-04-07 00:00:00

abstract：:Phosphorylation of eIF2α controls translation initiation by restricting the levels of active eIF2-GTP/Met-tRNAi ternary complexes (TC). This modulates the expression of all eukaryotic mRNAs and contributes to the cellular integrated stress response. Key to controlling the activity of eIF2 are translation factors eIF2B...

journal_title：eLife

authors： Jennings MD,Kershaw CJ,Adomavicius T,Pavitt GD

更新日期：2017-03-18 00:00:00

abstract：:Uropathogenic E. coli (UPEC), which cause urinary tract infections (UTI), utilize type 1 pili, a chaperone usher pathway (CUP) pilus, to cause UTI and colonize the gut. The pilus rod, comprised of repeating FimA subunits, provides a structural scaffold for displaying the tip adhesin, FimH. We solved the 4.2 Å resoluti...

journal_title：eLife

authors： Spaulding CN,Schreiber HL 4th,Zheng W,Dodson KW,Hazen JE,Conover MS,Wang F,Svenmarker P,Luna-Rico A,Francetic O,Andersson M,Hultgren S,Egelman EH

更新日期：2018-01-18 00:00:00

abstract：:mTOR inhibition is beneficial in neurodegenerative disease models and its effects are often attributable to the modulation of autophagy and anti-apoptosis. Here, we report a neglected but important bioenergetic effect of mTOR inhibition in neurons. mTOR inhibition by rapamycin significantly preserves neuronal ATP leve...

journal_title：eLife

authors： Zheng X,Boyer L,Jin M,Kim Y,Fan W,Bardy C,Berggren T,Evans RM,Gage FH,Hunter T

更新日期：2016-03-23 00:00:00

abstract：:Cells deficient in the pro-death Bcl-2 family members Bax and Bak are known to be resistant to apoptotic cell death, and previous we have shown that these two effectors are also needed for mitochondrial-dependent cellular necrosis (Karch et al., 2013). Here we show that mouse embryonic fibroblasts deficient in Bax/Bak...

journal_title：eLife

authors： Karch J,Schips TG,Maliken BD,Brody MJ,Sargent MA,Kanisicak O,Molkentin JD

更新日期：2017-11-17 00:00:00

abstract：:In the fruit fly optic lobe, T4 and T5 cells represent the first direction-selective neurons, with T4 cells responding selectively to moving brightness increments (ON) and T5 cells to brightness decrements (OFF). Both T4 and T5 cells comprise four subtypes with directional tuning to one of the four cardinal directions...

journal_title：eLife

authors： Haag J,Mishra A,Borst A

更新日期：2017-08-22 00:00:00

abstract：:An analysis of worldwide human genetic variation reveals the footprints of ancient changes in genomic mutation processes. ...

journal_title：eLife

authors： Scally A

更新日期：2017-05-17 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：:Neural computations underlying cognitive functions require calibration of the strength of excitatory and inhibitory synaptic connections and are associated with modulation of gamma frequency oscillations in network activity. However, principles relating gamma oscillations, synaptic strength and circuit computations ar...

journal_title：eLife

authors： Solanka L,van Rossum MC,Nolan MF

更新日期：2015-07-06 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：: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：:Cognitive control proactively configures information processing to suit expected task demands. Predictions of forthcoming demand can be driven by explicit external cues or be generated internally, based on past experience (cognitive history). However, it is not known whether and how the brain reconciles these two sour...

journal_title：eLife

authors： Jiang J,Wagner AD,Egner T

更新日期：2018-08-16 00:00:00

abstract：:While the dynamin GTPase Drp1 plays a critical role during mitochondrial fission, mechanisms controlling its recruitment to fission sites are unclear. A current assumption is that cytosolic Drp1 is recruited directly to fission sites immediately prior to fission. Using live-cell microscopy, we find evidence for a diff...

journal_title：eLife

authors： Ji WK,Hatch AL,Merrill RA,Strack S,Higgs HN

更新日期：2015-11-26 00:00:00

abstract：:Mitogen-activated protein kinases (MAPK) such as p38 and the c-Jun N-terminal kinases (JNKs) are activated during the cellular response to stress signals. Their activity is regulated by the MAPK-phosphatase 1 (DUSP1), a key component of the anti-inflammatory response. Stress kinases are well-described elements of the ...

journal_title：eLife

authors： Celaya AM,Sánchez-Pérez I,Bermúdez-Muñoz JM,Rodríguez-de la Rosa L,Pintado-Berninches L,Perona R,Murillo-Cuesta S,Varela-Nieto I

更新日期：2019-04-02 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：:Daily rhythms of food anticipatory activity (FAA) are regulated independently of the suprachiasmatic nucleus, which mediates entrainment of rhythms to light, but the neural circuits that establish FAA remain elusive. In this study, we show that mice lacking the dopamine D1 receptor (D1R KO mice) manifest greatly reduc...

journal_title：eLife

authors： Gallardo CM,Darvas M,Oviatt M,Chang CH,Michalik M,Huddy TF,Meyer EE,Shuster SA,Aguayo A,Hill EM,Kiani K,Ikpeazu J,Martinez JS,Purpura M,Smit AN,Patton DF,Mistlberger RE,Palmiter RD,Steele AD

更新日期：2014-09-12 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：:Existing in vitro models of human skeletal muscle cannot recapitulate the organization and function of native muscle, limiting their use in physiological and pharmacological studies. Here, we demonstrate engineering of electrically and chemically responsive, contractile human muscle tissues ('myobundles') using primar...

journal_title：eLife

authors： Madden L,Juhas M,Kraus WE,Truskey GA,Bursac N

更新日期：2015-01-09 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：:Rod and cone photoreceptors are highly similar in many respects but they have important functional and molecular differences. Here, we investigate genome-wide patterns of DNA methylation and chromatin accessibility in mouse rods and cones and correlate differences in these features with gene expression, histone marks,...

journal_title：eLife

authors： Mo A,Luo C,Davis FP,Mukamel EA,Henry GL,Nery JR,Urich MA,Picard S,Lister R,Eddy SR,Beer MA,Ecker JR,Nathans J

更新日期：2016-03-07 00:00:00