Combined effects of dissociable and undissociable local anesthetics upon ATP-induced firefly bioluminescence.

abstract：:We examined the distributions of short tandemly repeated DNAs (microsatellites) in nine complete microbial genomes (Saccharomyces cerevisiae, Archaeoglobus fulgidus, Escherichia coli, Haemophilus influenzae, Helicobacter pylori, Methanococcus jannaschii, Mycoplasma pneumoniae, M. genitalium, and Synechocystis PCC6803....

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Field D,Wills C

更新日期：1998-02-17 00:00:00

abstract：:Graphene oxide (GO), the main precursor of graphene-based materials made by solution processing, is known to be very stiff. Indeed, it has a Young's modulus comparable to steel, on the order of 300 GPa. Despite its very high stiffness, we show here that GO is superflexible. We quantitatively measure the GO bending rig...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Poulin P,Jalili R,Neri W,Nallet F,Divoux T,Colin A,Aboutalebi SH,Wallace G,Zakri C

更新日期：2016-10-04 00:00:00

abstract：:We report on the expression of thymidine kinase (tk) activity in synchronized populations of mouse cells that have been transformed to the tk+ phenotype with purified DNA from various sources or with metaphase chromosomes from human cells. The viral (herpes) tk gene is constitutively expressed but, in all other cases ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Schlosser CA,Steglich C,deWet JR,Scheffler IE

更新日期：1981-02-01 00:00:00

abstract：:We present molecular dating analyses for land plants that incorporate 33 fossil calibrations, permit rates of molecular evolution to be uncorrelated across the tree, and take into account uncertainties in phylogenetic relationships and the fossil record. We attached a prior probability to each fossil-based minimum age...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Smith SA,Beaulieu JM,Donoghue MJ

更新日期：2010-03-30 00:00:00

abstract：:We demonstrate two kinds of visual stimuli that exhibit motion in one direction when viewed from near and in the opposite direction from afar. These striking reversals occur because each kind of stimulus is constructed to simultaneously activate two different mechanisms: a short-range mechanism that computes motion fr...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Chubb C,Sperling G

更新日期：1989-04-01 00:00:00

abstract：:In the absence of any overt task performance, it has been shown that spontaneous, intrinsic brain activity is expressed as systemwide, resting-state networks in the adult brain. However, the route to adult patterns of resting-state activity through neuronal development in the human brain is currently unknown. Therefor...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Fransson P,Skiöld B,Horsch S,Nordell A,Blennow M,Lagercrantz H,Aden U

更新日期：2007-09-25 00:00:00

abstract：:Transcription factors (TFs) are the main players in transcriptional regulation in eukaryotes. However, it remains unclear what role TFs played in the origin of all of the different eukaryotic multicellular lineages. In this paper, we explore how the origin of TF repertoires shaped eukaryotic evolution and, in particul...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： de Mendoza A,Sebé-Pedrós A,Šestak MS,Matejcic M,Torruella G,Domazet-Loso T,Ruiz-Trillo I

更新日期：2013-12-10 00:00:00

abstract：:Complexin activates Ca(2+)-triggered neurotransmitter release and regulates spontaneous release in the presynaptic terminal by cooperating with the neuronal soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNAREs) and the Ca(2+)-sensor synaptotagmin. The N-terminal domain of complexin is importa...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Lai Y,Choi UB,Zhang Y,Zhao M,Pfuetzner RA,Wang AL,Diao J,Brunger AT

更新日期：2016-08-09 00:00:00

abstract：:As a dynamic property of folded proteins, protein compressibility provides important information about the forces that govern structural stability. We relate intrinsic compressibility to stability by using molecular dynamics to identify a molecular basis for the variation in compressibility among globular proteins. We...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Dadarlat VM,Post CB

更新日期：2003-12-09 00:00:00

abstract：:Signaling through Janus kinases (JAKs) and signal transducers and activators of transcription (STATs) is central to the responses to the majority of cytokines and some growth factors, including the interferons (IFNs) and the IL-6 family of cytokines. The biological responses to stimulation through the widely distribut...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Costa-Pereira AP,Tininini S,Strobl B,Alonzi T,Schlaak JF,Is'harc H,Gesualdo I,Newman SJ,Kerr IM,Poli V

更新日期：2002-06-11 00:00:00

abstract：:The appearance of jaws was a turning point in vertebrate evolution because it allowed primitive vertebrates to capture and process large, motile prey. The vertebrate jaw consists of separate dorsal and ventral skeletal elements connected by a joint. How this structure evolved from the unjointed gill bar of a jawless a...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Cerny R,Cattell M,Sauka-Spengler T,Bronner-Fraser M,Yu F,Medeiros DM

更新日期：2010-10-05 00:00:00

abstract：:The anaphase-promoting complex/cyclosome (APC/C) is a cell cycle-regulated E3 ubiquitin ligase that controls the degradation of substrate proteins at mitotic exit and throughout the G1 phase. We have identified an APC/C substrate and cell cycle-regulated protein, KIAA0101/PAF15. PAF15 protein levels peak in the G2/M p...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Emanuele MJ,Ciccia A,Elia AE,Elledge SJ

更新日期：2011-06-14 00:00:00

abstract：:The majority of outer membrane proteins (OMPs) from gram-negative bacteria and many of mitochondria and chloroplasts are β-barrels. Insertion and assembly of these proteins are catalyzed by the Omp85 protein family in a seemingly conserved process. All members of this family exhibit a characteristic N-terminal polypep...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Sommer MS,Daum B,Gross LE,Weis BL,Mirus O,Abram L,Maier UG,Kühlbrandt W,Schleiff E

更新日期：2011-08-16 00:00:00

abstract：:The peroxidation of polyunsaturated fatty acids leads to numerous products, including 4-hydroxynonenal (HNE). That 4-hydroxy-2-alkenal compounds react with sulfhydryl groups of proteins to form thioether adducts possessing a carbonyl function has been established [Schauenstein, E. & Esterbauer, H. (1979) Ciba Found. S...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Uchida K,Stadtman ER

更新日期：1992-06-15 00:00:00

abstract：:Normal rat kidney cells were nonproductively infected either with CP27, a mutant of Moloney sarcoma virus that is temperature-sensitive for maintenance of transformation, or with the parental wild-type virus. The nonproducer cells were inoculated into the tails of athymic nude mice that were subsequently incubated at ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Klarlund JK,Forchhammer J

更新日期：1980-03-01 00:00:00

abstract：:The product of the recA gene of E. coli has been identified by labeling proteins synthesized in UV-treated cells after infection with specialized transducing phages carrying the recA gene. Following infection of UV-treated cells by lambda precA, which carries the recA+ gene, a major protein with a molecular weight of ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： McEntee K,Hesse JE,Epstein W

更新日期：1976-11-01 00:00:00

abstract：:Much experimental work has been devoted in comparing the folding behavior of proteins sharing the same fold but different sequence. The recent design of proteins displaying very high sequence identities but different 3D structure allows the unique opportunity to address the protein-folding problem from a complementary...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Giri R,Morrone A,Travaglini-Allocatelli C,Jemth P,Brunori M,Gianni S

更新日期：2012-10-30 00:00:00

abstract：:Prochlorococcus marinus CCMP 1375, a ubiquitous and ecologically important marine prochlorophyte, was bound to possess functional genes coding for the alpha and beta subunits of a phycobiliprotein. The latter is similar to phycoerythrins (PE) from marine Synechococcus cyanobacteria and bind a phycourobilin-like pigmen...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Hess WR,Partensky F,van der Staay GW,Garcia-Fernandez JM,Börner T,Vaulot D

更新日期：1996-10-01 00:00:00

abstract：:Prions are composed solely of an alternatively folded isoform of the prion protein (PrP), designated PrP(Sc). N-terminally truncated PrP(Sc), denoted PrP 27-30, retains infectivity and polymerizes into rods with the ultrastructural and tinctorial properties of amyloid. We report here that some polyoxometalates (POMs) ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Wille H,Shanmugam M,Murugesu M,Ollesch J,Stubbs G,Long JR,Safar JG,Prusiner SB

更新日期：2009-03-10 00:00:00

abstract：:Genes that are unexpressed in somatic cells have been activated by injecting cultured cell nuclei of the frog Xenopus laevis into oocytes of the newt Pleurodeles waltlii. The genes that were activated are normally expressed in oocytes but not in cultured cells. Conversely, genes that are normally expressed in cultured...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： De Robertis EM,Gurdon JB

更新日期：1977-06-01 00:00:00

abstract：:The Black Death, originating in Asia, arrived in the Mediterranean harbors of Europe in 1347 CE, via the land and sea trade routes of the ancient Silk Road system. This epidemic marked the start of the second plague pandemic, which lasted in Europe until the early 19th century. This pandemic is generally understood as...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Schmid BV,Büntgen U,Easterday WR,Ginzler C,Walløe L,Bramanti B,Stenseth NC

更新日期：2015-03-10 00:00:00

abstract：:In previous studies we showed that 5 days of treatment with granulocyte colony-stimulating factor (G-CSF) and stem cell factor (SCF) mobilized murine repopulating cells to the peripheral blood (PB) and that these cells could be efficiently transduced with retroviral vectors. We also found that, 7-14 days after cytokin...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Dunbar CE,Seidel NE,Doren S,Sellers S,Cline AP,Metzger ME,Agricola BA,Donahue RE,Bodine DM

更新日期：1996-10-15 00:00:00

abstract：:Groundwater-dependent species are among the least-known components of global biodiversity, as well as some of the most vulnerable because of rapid groundwater depletion at regional and global scales. The karstic Edwards-Trinity aquifer system of west-central Texas is one of the most species-rich groundwater systems in...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Devitt TJ,Wright AM,Cannatella DC,Hillis DM

更新日期：2019-02-12 00:00:00

abstract：:A diploid strain of yeast (Saccharomyces cerevisiae) was found to be heterozygous for two forms of the highly repetitious ribosomal DNA. These forms could be distinguished by the pattern of fragments produced after digestion with the site-specific restriction endonuclease EcoRI. The mode of inheritance of ribosomal DN...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Petes TD,Botstein D

更新日期：1977-11-01 00:00:00

abstract：:Hermansky-Pudlak syndrome (HPS) defines a group of autosomal recessive disorders characterized by deficiencies in lysosome-related organelles such as melanosomes and platelet-dense granules. Several HPS genes encode proteins of unknown function including HPS1, HPS3, and HPS4. Here we have identified and characterized ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Nazarian R,Falcón-Pérez JM,Dell'Angelica EC

更新日期：2003-07-22 00:00:00

abstract：:Autoantibodies to glutamate decarboxylase 65 (GAD65Ab) are commonly believed to be a major characteristic for type 1 diabetes (T1D). We investigated the presence of GAD65Ab in healthy individuals (n = 238) and first-degree relatives (FDRs) of T1D patients (n = 27) who tested negative for GAD65Ab in conventional RIAs. ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Oak S,Gilliam LK,Landin-Olsson M,Törn C,Kockum I,Pennington CR,Rowley MJ,Christie MR,Banga JP,Hampe CS

更新日期：2008-04-08 00:00:00

abstract：:COVID-19 has emerged as one of the deadliest and most disruptive events in recent human history. Drawing from political science and psychological theories, we examine the effects of daily confirmed cases in a country on citizens' support for the political leader through the first 120 d of 2020. Using three unique data...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Yam KC,Jackson JC,Barnes CM,Lau J,Qin X,Lee HY

更新日期：2020-10-13 00:00:00

abstract：:Transport of peptides across the membrane of the endoplasmic reticulum for assembly with MHC class I molecules is an essential step in antigen presentation to cytotoxic T cells. This task is performed by the major histocompatibility complex-encoded transporter associated with antigen processing (TAP). Using a combinat...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Uebel S,Kraas W,Kienle S,Wiesmüller KH,Jung G,Tampé R

更新日期：1997-08-19 00:00:00

abstract：:Preparations of partially purified chloroplast DNA-dependent RNA polymerase from maize and some other plants transcribe cloned chloroplast genes preferentially and much more actively from appropriately negatively supercoiled templates than from relaxed templates. We have found that the polymerase in such fractions doe...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Zaitlin D,Hu J,Bogorad L

更新日期：1989-02-01 00:00:00

abstract：:A technique is described for isolation of plasmid DNA in closed and open circular double-stranded forms from bacterial cells, by use of ATP-dependent deoxyribonuclease purified from Micrococcus luteus. This DNase, acting only upon linear DNA molecules, degrades all bacterial chromosomal DNA extracted in the linear for...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Mukai T,Matsubara K,Takagi Y

更新日期：1973-10-01 00:00:00