Neural activity during a simple reaching task in macaques is counter to gating and rebound in basal ganglia-thalamic communication.

abstract：:The issue of nonreplicable evidence has attracted considerable attention across biomedical and other sciences. This concern is accompanied by an increasing interest in reforming research incentives and practices. How to optimally perform these reforms is a scientific problem in itself, and economics has several scient...

journal_title：PLoS biology

authors： Gall T,Ioannidis JPA,Maniadis Z

更新日期：2017-04-26 00:00:00

abstract：:Most models of cancer cell population expansion assume exponential growth kinetics at low cell densities, with deviations to account for observed slowing of growth rate only at higher densities due to limited resources such as space and nutrients. However, recent preclinical and clinical observations of tumor initiati...

journal_title：PLoS biology

authors： Johnson KE,Howard G,Mo W,Strasser MK,Lima EABF,Huang S,Brock A

更新日期：2019-08-05 00:00:00

abstract：:From early dinosaurs with as many as nine wrist bones, modern birds evolved to develop only four ossifications. Their identity is uncertain, with different labels used in palaeontology and developmental biology. We examined embryos of several species and studied chicken embryos in detail through a new technique allowi...

journal_title：PLoS biology

authors： Botelho JF,Ossa-Fuentes L,Soto-Acuña S,Smith-Paredes D,Nuñez-León D,Salinas-Saavedra M,Ruiz-Flores M,Vargas AO

更新日期：2014-09-30 00:00:00

abstract：:The evolution of altruism is a fundamental and enduring puzzle in biology. In a seminal paper Hamilton showed that altruism can be selected for when rb - c > 0, where c is the fitness cost to the altruist, b is the fitness benefit to the beneficiary, and r is their genetic relatedness. While many studies have provided...

journal_title：PLoS biology

authors： Waibel M,Floreano D,Keller L

更新日期：2011-05-01 00:00:00

abstract：:Both endocrine and exocrine pancreatic cells arise from pancreatic-duodenal homeobox 1 (pdx1)-positive progenitors. The molecular mechanisms controlling cell fate determination and subsequent proliferation, however, are poorly understood. Unlike endocrine cells, less is known about exocrine cell specification. We repo...

journal_title：PLoS biology

authors： Jiang Z,Song J,Qi F,Xiao A,An X,Liu NA,Zhu Z,Zhang B,Lin S

更新日期：2008-11-25 00:00:00

abstract：:CD1d-mediated presentation of glycolipid antigens to T cells is capable of initiating powerful immune responses that can have a beneficial impact on many diseases. Molecular analyses have recently detailed the lipid antigen recognition strategies utilized by the invariant Vα24-Jα18 TCR rearrangements of iNKT cells, wh...

journal_title：PLoS biology

authors： López-Sagaseta J,Kung JE,Savage PB,Gumperz J,Adams EJ

更新日期：2012-01-01 00:00:00

abstract：:Over the past 3 decades, in a series of studies on some of the most extensively studied toxic chemicals and pollutants, scientists have found that the amount of toxic chemical linked with the development of a disease or death-which is central to determining "safe" or "hazardous" levels-is proportionately greater at th...

journal_title：PLoS biology

authors： Lanphear BP

更新日期：2017-12-19 00:00:00

abstract：:Several studies have demonstrated that poor early nutrition, followed by growth compensation, can have negative consequences later in life. However, it remains unclear whether this is attributable to the nutritional deficit itself or a cost of compensatory growth. This distinction is important to our understanding bot...

journal_title：PLoS biology

authors： Fisher MO,Nager RG,Monaghan P

更新日期：2006-07-01 00:00:00

abstract：:Psychological and personality factors, socioeconomic status, and brain properties all contribute to chronic pain but have essentially been studied independently. Here, we administered a broad battery of questionnaires to patients with chronic back pain (CBP) and collected repeated sessions of resting-state functional ...

journal_title：PLoS biology

authors： Vachon-Presseau E,Berger SE,Abdullah TB,Griffith JW,Schnitzer TJ,Apkarian AV

更新日期：2019-08-20 00:00:00

abstract：:To complete cell division with high fidelity, cytokinesis must be coordinated with chromosome segregation. Mammalian Polo-like kinase 1, Plk1, may function as a critical link because it is required for chromosome segregation and establishment of the cleavage plane following anaphase onset. A central spindle-localized ...

journal_title：PLoS biology

authors： Wolfe BA,Takaki T,Petronczki M,Glotzer M

更新日期：2009-05-05 00:00:00

abstract：:Metastatic dissemination employs both the blood and lymphatic vascular systems. Solid tumors dynamically remodel and generate both vessel types during cancer progression. Lymphatic vessel invasion and cancer cells in the tumor-draining lymph nodes (LNs) are prognostic markers for breast cancer metastasis and patient o...

journal_title：PLoS biology

authors： Chen Y,Keskin D,Sugimoto H,Kanasaki K,Phillips PE,Bizarro L,Sharpe A,LeBleu VS,Kalluri R

更新日期：2018-12-28 00:00:00

abstract：:Centromeres are differentiated chromatin domains, present once per chromosome, that direct segregation of the genome in mitosis and meiosis by specifying assembly of the kinetochore. They are distinct genetic loci in that their identity in most organisms is determined not by the DNA sequences they are associated with,...

journal_title：PLoS biology

authors： Prendergast L,van Vuuren C,Kaczmarczyk A,Doering V,Hellwig D,Quinn N,Hoischen C,Diekmann S,Sullivan KF

更新日期：2011-06-01 00:00:00

abstract：:Why do we sleep? The sleep patterns and mechanisms that occur throughout development may give us a clue. ...

journal_title：PLoS biology

authors： Siegel JM

更新日期：2005-05-01 00:00:00

abstract：:Kabuki Syndrome patients have a spectrum of congenital disorders, including congenital heart defects, the primary determinant of mortality. Seventy percent of Kabuki Syndrome patients have mutations in the histone methyl-transferase KMT2D. However, the underlying mechanisms that drive these congenital disorders are un...

journal_title：PLoS biology

authors： Serrano MLA,Demarest BL,Tone-Pah-Hote T,Tristani-Firouzi M,Yost HJ

更新日期：2019-09-03 00:00:00

abstract：:Honey bees are experts at refuting societal norms. Their matriarchal hives are headed by queens, backed by an all-female workforce, and males die soon after copulation. But the biochemical basis of how these distinct castes and sexes (queens, workers, and drones) arise is poorly understood, partly due to a lack of eff...

journal_title：PLoS biology

authors： McAfee A,Pettis JS,Tarpy DR,Foster LJ

更新日期：2019-05-06 00:00:00

abstract：:In mammalian oocytes, three actin binding proteins, Formin 2 (Fmn2), Spire, and profilin, synergistically organize a dynamic cytoplasmic actin meshwork that mediates translocation of the spindle toward the cortex and is required for successful fertilization. Here we characterize Fmn2 and elucidate the molecular mechan...

journal_title：PLoS biology

authors： Montaville P,Jégou A,Pernier J,Compper C,Guichard B,Mogessie B,Schuh M,Romet-Lemonne G,Carlier MF

更新日期：2014-02-25 00:00:00

abstract：:Previously it was shown that male mice, when they encounter female mice or their pheromones, emit ultrasonic vocalizations with frequencies ranging over 30-110 kHz. Here, we show that these vocalizations have the characteristics of song, consisting of several different syllable types, whose temporal sequencing include...

journal_title：PLoS biology

authors： Holy TE,Guo Z

更新日期：2005-12-01 00:00:00

abstract：:Eukaryotic cells contain several unconventional poly(A) polymerases in addition to the canonical enzymes responsible for the synthesis of poly(A) tails of nuclear messenger RNA precursors. The yeast protein Trf4p has been implicated in a quality control pathway that leads to the polyadenylation and subsequent exosome-...

journal_title：PLoS biology

authors： Vanácová S,Wolf J,Martin G,Blank D,Dettwiler S,Friedlein A,Langen H,Keith G,Keller W

更新日期：2005-06-01 00:00:00

abstract：:Modeling the processes of neuronal progenitor proliferation and differentiation to produce mature cortical neuron subtypes is essential for the study of human brain development and the search for potential cell therapies. We demonstrated a novel paradigm for the generation of vascularized organoids (vOrganoids) consis...

journal_title：PLoS biology

authors： Shi Y,Sun L,Wang M,Liu J,Zhong S,Li R,Li P,Guo L,Fang A,Chen R,Ge WP,Wu Q,Wang X

更新日期：2020-05-13 00:00:00

abstract：:Genetically identical cells grown in the same culture display striking cell-to-cell heterogeneity in gene expression and other traits. A crucial challenge is to understand how much of this heterogeneity reflects the noise tolerance of a robust system and how much serves a biological function. In bacteria, stochastic g...

journal_title：PLoS biology

authors： Levy SF,Ziv N,Siegal ML

更新日期：2012-01-01 00:00:00

abstract：:While multiple studies have reported the accelerated evolution of brain gene expression in the human lineage, the mechanisms underlying such changes are unknown. Here, we address this issue from a developmental perspective, by analyzing mRNA and microRNA (miRNA) expression in two brain regions within macaques, chimpan...

journal_title：PLoS biology

authors： Somel M,Liu X,Tang L,Yan Z,Hu H,Guo S,Jiang X,Zhang X,Xu G,Xie G,Li N,Hu Y,Chen W,Pääbo S,Khaitovich P

更新日期：2011-12-01 00:00:00

abstract：:Glial cells surround neuronal endings to create enclosed compartments required for neuronal function. This architecture is seen at excitatory synapses and at sensory neuron receptive endings. Despite the prevalence and importance of these compartments, how they form is not known. We used the main sensory organ of C. e...

journal_title：PLoS biology

authors： Oikonomou G,Perens EA,Lu Y,Watanabe S,Jorgensen EM,Shaham S

更新日期：2011-08-01 00:00:00

abstract：:Smallpox is unique among infectious diseases in the degree to which it devastated human populations, its long history of control interventions, and the fact that it has been successfully eradicated. Mortality from smallpox in London, England was carefully documented, weekly, for nearly 300 years, providing a rare and ...

journal_title：PLoS biology

authors： Krylova O,Earn DJD

更新日期：2020-12-21 00:00:00

abstract：:Characterization of circadian systems at the organism level-a top-down approach-has led to definition of unifying properties, a hallmark of the science of chronobiology. The next challenge is to use a bottom-up approach to show how the molecular workings of the cellular circadian clock work as building blocks of those...

journal_title：PLoS biology

authors： Merrow M,Harrington M

更新日期：2020-10-14 00:00:00

abstract：:Zinc is an essential mineral, but our understanding of its uses in the body is limited. Capitalizing on approaches available in the model system Caenorhabditis elegans, Zhao and colleagues show that zinc transduces a signal that induces sperm to become motile. This is an enigmatic process because sperm in all sexually...

journal_title：PLoS biology

authors： Chu DS

更新日期：2018-06-07 00:00:00

abstract：:Modification of proteins by SUMO is essential for the maintenance of genome integrity. During DNA replication, the Mms21-branch of the SUMO pathway counteracts recombination intermediates at damaged replication forks, thus facilitating sister chromatid disjunction. The Mms21 SUMO ligase docks to the arm region of the ...

journal_title：PLoS biology

authors： Bermúdez-López M,Pociño-Merino I,Sánchez H,Bueno A,Guasch C,Almedawar S,Bru-Virgili S,Garí E,Wyman C,Reverter D,Colomina N,Torres-Rosell J

更新日期：2015-03-12 00:00:00

abstract：:When one finger touches the other, the resulting tactile sensation is perceived as weaker than the same stimulus externally imposed. This attenuation of sensation could result from a predictive process that subtracts the expected sensory consequences of the action, or from a postdictive process that alters the percept...

journal_title：PLoS biology

authors： Bays PM,Flanagan JR,Wolpert DM

更新日期：2006-02-01 00:00:00

abstract：:The most consistent result in more than two decades of experimental evolution is that the fitness of populations adapting to a constant environment does not increase indefinitely, but reaches a plateau. Using experimental evolution with bacteriophage, we show here that the converse is also true. In populations small e...

journal_title：PLoS biology

authors： Silander OK,Tenaillon O,Chao L

更新日期：2007-04-01 00:00:00

abstract：:Chronic inflammation is now a well-known precursor for cancer development. Infectious prostatitis are the most common causes of prostate inflammation, but emerging evidence points the role of metabolic disorders as a potential source of cancer-related inflammation. Although the widely used treatment for prostate cance...

journal_title：PLoS biology

authors： Bousset L,Septier A,Bunay J,Voisin A,Guiton R,Damon-Soubeyrant C,Renaud Y,De Haze A,Sapin V,Fogli A,Rambur A,De Joussineau C,Kocer A,Trousson A,Henry-Berger J,Höring M,Liebisch G,Matysik S,Lobaccaro JA,Morel L,Bar

更新日期：2020-12-07 00:00:00

abstract：:Changes in the physical interaction between cis-regulatory DNA sequences and proteins drive the evolution of gene expression. However, it has proven difficult to accurately quantify evolutionary rates of such binding change or to estimate the relative effects of selection and drift in shaping the binding evolution. He...

journal_title：PLoS biology

authors： Ni X,Zhang YE,Nègre N,Chen S,Long M,White KP

更新日期：2012-01-01 00:00:00