The bacterial fimbrial tip acts as a mechanical force sensor.

abstract：:Mammalian sex determination (male versus female) is largely controlled by genes, whereas sex differentiation (development of reproductive structures) is largely controlled by hormones. Work in the 20th century indicated that female external anatomy was a "default" pathway of development not requiring steroids, whereas...

journal_title：PLoS biology

authors： Miller WL,Auchus RJ

更新日期：2019-04-03 00:00:00

abstract：:No organism lives in a constant environment. Based on classical studies in molecular biology, many have viewed microbes as following strict rules for shifting their metabolic activities when prevailing conditions change. For example, students learn that the bacterium Escherichia coli makes proteins for digesting lacto...

journal_title：PLoS biology

authors： Siegal ML

更新日期：2015-02-17 00:00:00

abstract：:Neo-sex chromosomes are found in many taxa, but the forces driving their emergence and spread are poorly understood. The female-specific neo-W chromosome of the African monarch (or queen) butterfly Danaus chrysippus presents an intriguing case study because it is restricted to a single 'contact zone' population, invol...

journal_title：PLoS biology

authors： Martin SH,Singh KS,Gordon IJ,Omufwoko KS,Collins S,Warren IA,Munby H,Brattström O,Traut W,Martins DJ,Smith DAS,Jiggins CD,Bass C,Ffrench-Constant RH

更新日期：2020-02-27 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：:The segmentation gene network of Drosophila consists of maternal and zygotic factors that generate, by transcriptional (cross-) regulation, expression patterns of increasing complexity along the anterior-posterior axis of the embryo. Using known binding site information for maternal and zygotic gap transcription facto...

journal_title：PLoS biology

authors： Schroeder MD,Pearce M,Fak J,Fan H,Unnerstall U,Emberly E,Rajewsky N,Siggia ED,Gaul U

更新日期：2004-09-01 00:00:00

abstract：:Neuropilin-1 (Nrp1) guides the development of the nervous and vascular systems, but its role in the mature brain remains to be explored. Here we report that the expression of the 65 kDa isoform of Sema3A, the ligand of Nrp1, by adult vascular endothelial cells, is regulated during the ovarian cycle and promotes axonal...

journal_title：PLoS biology

authors： Giacobini P,Parkash J,Campagne C,Messina A,Casoni F,Vanacker C,Langlet F,Hobo B,Cagnoni G,Gallet S,Hanchate NK,Mazur D,Taniguchi M,Mazzone M,Verhaagen J,Ciofi P,Bouret SG,Tamagnone L,Prevot V

更新日期：2014-03-11 00:00:00

abstract：:The development of axonal arbors is a critical step in the establishment of precise neural circuits, but relatively little is known about the mechanisms of axonal elaboration in the neocortex. We used in vivo two-photon time-lapse microscopy to image axons in the neocortex of green fluorescent protein-transgenic mice ...

journal_title：PLoS biology

authors： Portera-Cailliau C,Weimer RM,De Paola V,Caroni P,Svoboda K

更新日期：2005-08-01 00:00:00

abstract：:The rapid destruction of the planet's biodiversity has prompted the nations of the world to set a target of achieving a significant reduction in the rate of loss of biodiversity by 2010. However, we do not yet have an adequate way of monitoring progress towards achieving this target. Here we present a method for produ...

journal_title：PLoS biology

authors： Butchart SH,Stattersfield AJ,Bennun LA,Shutes SM,Akçakaya HR,Baillie JE,Stuart SN,Hilton-Taylor C,Mace GM

更新日期：2004-12-01 00:00:00

abstract：:Cell motility is essential for protozoan and metazoan organisms and typically relies on the dynamic turnover of actin filaments. In metazoans, monomeric actin polymerises into usually long and stable filaments, while some protozoans form only short and highly dynamic actin filaments. These different dynamics are partl...

journal_title：PLoS biology

authors： Douglas RG,Nandekar P,Aktories JE,Kumar H,Weber R,Sattler JM,Singer M,Lepper S,Sadiq SK,Wade RC,Frischknecht F

更新日期：2018-07-16 00:00:00

abstract：:Antibiotic combination therapies are important for the efficient treatment of many types of infections, including those caused by antibiotic-resistant pathogens. Combination treatment strategies are typically used under the assumption that synergies are conserved across species and strains, even though recent results ...

journal_title：PLoS biology

authors： Fatsis-Kavalopoulos N,Roemhild R,Tang PC,Kreuger J,Andersson DI

更新日期：2020-09-17 00:00:00

abstract：:Centrosomes comprise a pair of centrioles surrounded by an amorphous pericentriolar material (PCM). Here, we have performed a microscopy-based genome-wide RNA interference (RNAi) screen in Drosophila cells to identify proteins required for centriole duplication and mitotic PCM recruitment. We analysed 92% of the Droso...

journal_title：PLoS biology

authors： Dobbelaere J,Josué F,Suijkerbuijk S,Baum B,Tapon N,Raff J

更新日期：2008-09-16 00:00:00

abstract：:Changing environmental conditions cause changes in the distributions of phenotypic traits in natural populations. However, determining the mechanisms responsible for these changes-and, in particular, the relative contributions of phenotypic plasticity versus evolutionary responses-is difficult. To our knowledge, no st...

journal_title：PLoS biology

authors： Bonnet T,Morrissey MB,Morris A,Morris S,Clutton-Brock TH,Pemberton JM,Kruuk LEB

更新日期：2019-11-05 00:00:00

abstract：:Chronic pain is a debilitating problem, and insights in the neurobiology of chronic pain are needed for the development of novel pain therapies. A genome-wide association study implicated the 5p15.2 region in chronic widespread pain. This region includes the coding region for FAM173B, a functionally uncharacterized pr...

journal_title：PLoS biology

authors： Willemen HLDM,Kavelaars A,Prado J,Maas M,Versteeg S,Nellissen LJJ,Tromp J,Gonzalez Cano R,Zhou W,Jakobsson ME,Małecki J,Posthuma G,Habib AM,Heijnen CJ,Falnes PØ,Eijkelkamp N

更新日期：2018-02-14 00:00:00

abstract：:Mutations affect individual health, population persistence, adaptation, diversification, and genome evolution. There is evidence that the mutation rate varies among genotypes, but the causes of this variation are poorly understood. Here, we link differences in genetic quality with variation in spontaneous mutation in ...

journal_title：PLoS biology

authors： Sharp NP,Agrawal AF

更新日期：2016-03-25 00:00:00

abstract：:Rodent whisker input consists of dense microvibration sequences that are often temporally integrated for perceptual discrimination. Whether primary somatosensory cortex (S1) participates in temporal integration is unknown. We trained rats to discriminate whisker impulse sequences that varied in single-impulse kinemati...

journal_title：PLoS biology

authors： McGuire LM,Telian G,Laboy-Juárez KJ,Miyashita T,Lee DJ,Smith KA,Feldman DE

更新日期：2016-08-30 00:00:00

abstract：:A recent report by the Institute of Medicine leaves few urgent reasons standing for the continued use of chimpanzees in biomedical research. It is high time to think about their retirement, Frans de Waal argues, without neglecting prospects for non-invasive research on behavior, cognition, and genetics. ...

journal_title：PLoS biology

authors： de Waal FB

更新日期：2012-01-01 00:00:00

abstract：:Alpha thalassemia/mental retardation syndrome X-linked chromatin remodeler (ATRX), a DAXX (death domain-associated protein) interacting protein, is often lost in cells using the alternative lengthening of telomeres (ALT) pathway, but it is not known how ATRX loss leads to ALT. We report that ATRX deletion from mouse c...

journal_title：PLoS biology

authors： Lovejoy CA,Takai K,Huh MS,Picketts DJ,de Lange T

更新日期：2020-01-02 00:00:00

abstract：:The link between extrinsic signaling, progenitor cell specification and neuronal subtype identity is central to the developmental organization of the vertebrate central nervous system. In the hindbrain and spinal cord, distinctions in the rostrocaudal identity of progenitor cells are associated with the generation of ...

journal_title：PLoS biology

authors： Nordström U,Maier E,Jessell TM,Edlund T

更新日期：2006-07-01 00:00:00

abstract：:Inspiratory breathing movements depend on pre-Bötzinger complex (preBötC) interneurons that express calcium (Ca2+)-activated nonselective cationic current (ICAN) to generate robust neural bursts. Hypothesized to be rhythmogenic, reducing ICAN is predicted to slow down or stop breathing; its contributions to motor patt...

journal_title：PLoS biology

authors： Picardo MCD,Sugimura YK,Dorst KE,Kallurkar PS,Akins VT,Ma X,Teruyama R,Guinamard R,Kam K,Saha MS,Del Negro CA

更新日期：2019-02-21 00:00:00

abstract：:Progress in science often begins with verbal hypotheses meant to explain why certain biological phenomena exist. An important purpose of mathematical models in evolutionary research, as in many other fields, is to act as “proof-of-concept” tests of the logic in verbal explanations, paralleling the way in which empiric...

journal_title：PLoS biology

authors： Servedio MR,Brandvain Y,Dhole S,Fitzpatrick CL,Goldberg EE,Stern CA,Van Cleve J,Yeh DJ

更新日期：2014-12-09 00:00:00

abstract：:The deleterious effects of prolonged sleep deprivation on behavior and cognition are a concern in modern society. Persons at risk for impaired performance and health-related issues resulting from prolonged sleep loss would benefit from agents capable of reducing these detrimental effects at the time they are sleep dep...

journal_title：PLoS biology

authors： Porrino LJ,Daunais JB,Rogers GA,Hampson RE,Deadwyler SA

更新日期：2005-09-01 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：:Aminoacyl-tRNA synthetases (aaRSs) are well studied for their role in binding and charging tRNAs with cognate amino acids. Recent RNA interactome studies had suggested that these enzymes can also bind polyadenylated RNAs. Here, we explored the mRNA repertoire bound by several yeast aaRSs. RNA immunoprecipitation (RIP)...

journal_title：PLoS biology

authors： Levi O,Arava Y

更新日期：2019-05-17 00:00:00

abstract：:What do "microbes" have to do with social equity? These microorganisms are integral to our health, that of our natural environment, and even the "health" of the environments we build. The loss, gain, and retention of microorganisms-their flow between humans and the environment-can greatly impact our health. It is well...

journal_title：PLoS biology

authors： Ishaq SL,Rapp M,Byerly R,McClellan LS,O'Boyle MR,Nykanen A,Fuller PJ,Aas C,Stone JM,Killpatrick S,Uptegrove MM,Vischer A,Wolf H,Smallman F,Eymann H,Narode S,Stapleton E,Cioffi CC,Tavalire HF

更新日期：2019-11-26 00:00:00

abstract：:In experimental evolution, scientists evolve organisms in the lab, typically by challenging them to new environmental conditions. How best to evolve a desired trait? Should the challenge be applied abruptly, gradually, periodically, sporadically? Should one apply chemical mutagenesis, and do strains with high innate m...

journal_title：PLoS biology

authors： Kaminski Strauss S,Schirman D,Jona G,Brooks AN,Kunjapur AM,Nguyen Ba AN,Flint A,Solt A,Mershin A,Dixit A,Yona AH,Csörgő B,Busby BP,Hennig BP,Pál C,Schraivogel D,Schultz D,Wernick DG,Agashe D,Levi D,Zabezhinsky D,

更新日期：2019-03-29 00:00:00

abstract：:Recent cancer studies emphasize that genetic and heritable epigenetic changes drive the evolutionary rate of cancer progression and drug resistance. We discuss the ways in which nonheritable aspects of cellular variability may significantly increase evolutionary rate. Nonheritable variability arises by stochastic fluc...

journal_title：PLoS biology

authors： Frank SA,Rosner MR

更新日期：2012-01-01 00:00:00

abstract：:Global warming is significantly altering arctic marine ecosystems. Specifically, the precipitous loss of sea ice is creating a dichotomy between ice-dependent polar bears and pinnipeds that are losing habitat and some cetaceans that are gaining habitat. While final outcomes are hard to predict for the many and varied ...

journal_title：PLoS biology

authors： Moore SE,Reeves RR

更新日期：2018-10-09 00:00:00

abstract：:The ability to use stored information in a highly flexible manner is a defining feature of the declarative memory system. However, the neuronal mechanisms underlying this flexibility are poorly understood. To address this question, we recorded single-unit activity from the hippocampus of 2 nonhuman primates performing...

journal_title：PLoS biology

authors： Yang C,Naya Y

更新日期：2020-11-18 00:00:00

abstract：:Do neuronal oscillations play a causal role in brain function? In a study in this issue of PLOS Biology, Helfrich and colleagues address this long-standing question by attempting to drive brain oscillations using transcranial electrical current stimulation. Remarkably, they were able to manipulate visual perception by...

journal_title：PLoS biology

authors： Thut G

更新日期：2014-12-30 00:00:00

abstract：:Meta-research is the study of research itself: its methods, reporting, reproducibility, evaluation, and incentives. Given that science is the key driver of human progress, improving the efficiency of scientific investigation and yielding more credible and more useful research results can translate to major benefits. T...

journal_title：PLoS biology

authors： Ioannidis JPA

更新日期：2018-03-13 00:00:00