Electrophysiological evidence for the left-lateralized effect of language on preattentive categorical perception of color.

abstract：:The enzyme tryptophan 2,3-dioxygenase [EC 1.13.11.11; L-tryptophan:oxygen 2,3-oxidoreductase (decyclizing)] first appears in the livers of young rats around the 15th postnatal day, and increases to the adult level by the 22nd day. Studies have shown that the appearance and subsequent development of the enzyme activity...

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

authors： Killewich LA,Feigelson P

更新日期：1977-12-01 00:00:00

abstract：:We report the presence of protein kinase C (PKC) in ejaculated human sperm as revealed by enzymatic activity assay and indirect immunohistochemistry. PKC is localized in the equatorial segment and in the principal piece of the tail. Addition of phorbol 12-myristate 13-acetate resulted in increased flagellar motility t...

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

authors： Rotem R,Paz GF,Homonnai ZT,Kalina M,Naor Z

更新日期：1990-09-01 00:00:00

abstract：:A primary method for studying cellular function is to examine cell morphology after a given manipulation. Fluorescent markers attached to proteins/intracellular structures of interest in conjunction with 3D fluorescent microscopy are frequently exploited for functional analysis. Despite the central role of morphology ...

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

authors： Duong T,Goud B,Schauer K

更新日期：2012-05-29 00:00:00

abstract：:Ehrlich and Raven formally introduced the concept of stepwise coevolution using butterfly and angiosperm interactions in an attempt to account for the impressive biological diversity of these groups. However, many biologists currently envision butterflies evolving 50 to 30 million years (Myr) after the major angiosper...

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

authors： Wheat CW,Vogel H,Wittstock U,Braby MF,Underwood D,Mitchell-Olds T

更新日期：2007-12-18 00:00:00

abstract：:We have explored the mechanism of genomic rearrangement in a hamster fibroblast cell culture system in which rearrangements are induced 5' to the endogenous thymidine kinase gene by chemical carcinogen treatment. The wild-type region around one rearrangement breakpoint was cloned and sequenced. With this sequence info...

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

authors： Barr FG,Davis RJ,Eichenfield L,Emanuel BS

更新日期：1992-02-01 00:00:00

abstract：:The three-dimensional structures of avian H5 and swine H9 influenza hemagglutinins (HAs) from viruses closely related to those that caused outbreaks of human disease in Hong Kong in 1997 and 1999 were determined bound to avian and human cell receptor analogs. Emerging influenza pandemics have been accompanied by the e...

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

authors： Ha Y,Stevens DJ,Skehel JJ,Wiley DC

更新日期：2001-09-25 00:00:00

abstract：:Before fertilization, vertebrate eggs are arrested in meiosis II by cytostatic factor (CSF), which holds the anaphase-promoting complex (APC) in an inactive state. It was recently reported that Mos, an integral component of CSF, acts in part by promoting the Rsk-mediated phosphorylation of the APC inhibitor Emi2/Erp1....

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

authors： Wu JQ,Hansen DV,Guo Y,Wang MZ,Tang W,Freel CD,Tung JJ,Jackson PK,Kornbluth S

更新日期：2007-10-16 00:00:00

abstract：:Dimerization of human immunodeficiency virus type 1 protease (HIV-1 PR) monomers is an essential prerequisite for viral proteolytic activity and the subsequent generation of infectious virus particles. Disruption of the dimer interface inhibits this activity as does formation of heterodimers between wild-type and defe...

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

authors： McPhee F,Good AC,Kuntz ID,Craik CS

更新日期：1996-10-15 00:00:00

abstract：:A reaction cycle for electron-transportdriven proton pumps is proposed. It includes two distinct conformational states of the pump protein in which the primary electron acceptor has different reduction potentials. This has as an unavoidable consequence that the steady-state rate equation for the catalytic reaction dri...

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

authors： Brzezinski P,Malmström BG

更新日期：1986-06-01 00:00:00

abstract：:This article briefly summarizes the research activities in the field of hydrogen storage in sorbent materials and reports our recent works and future directions for the design of such materials. Distinct features of sorption-based hydrogen storage methods are described compared with metal hydrides and complex chemical...

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

authors： Park N,Choi K,Hwang J,Kim DW,Kim DO,Ihm J

更新日期：2012-12-04 00:00:00

abstract：:Chronic stress is known to promote inflammatory bowel disease (IBD), but the underlying mechanism remains largely unresolved. Here, we found chronic stress to sensitize mice to dextran sulfate sodium (DSS)-induced colitis; to increase the infiltration of B cells, neutrophils, and proinflammatory ly6Chi macrophages in ...

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

authors： Gao X,Cao Q,Cheng Y,Zhao D,Wang Z,Yang H,Wu Q,You L,Wang Y,Lin Y,Li X,Wang Y,Bian JS,Sun D,Kong L,Birnbaumer L,Yang Y

更新日期：2018-03-27 00:00:00

abstract：:Retroviral Gag polyproteins have specific regions, commonly referred to as late assembly (L) domains, which are required for the efficient separation of assembled virions from the host cell. The L domain of HIV-1 is in the C-terminal p6(gag) domain and contains an essential P(T/S)AP core motif that is widely conserved...

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

authors： Strack B,Calistri A,Accola MA,Palu G,Gottlinger HG

更新日期：2000-11-21 00:00:00

abstract：:Legionella pneumophila is an intracellular parasite of freshwater protozoa and human macrophages. Recent studies determined that the macrophage infectivity potentiator (Mip) surface protein, a prokaryotic homolog of the FK506-binding proteins, is required for optimal infection of macrophages. To determine whether Mip ...

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

authors： Cianciotto NP,Fields BS

更新日期：1992-06-01 00:00:00

abstract：:The potential benefits of autonomous systems are obvious. However, there are still major issues to be dealt with before developing such systems becomes a commonplace engineering practice, with accepted and trustworthy deliverables. We argue that a solid, evolving, publicly available, community-controlled foundation fo...

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

authors： Harel D,Marron A,Sifakis J

更新日期：2020-07-28 00:00:00

abstract：:The formation and migration of disconnections (line defects constrained to the grain boundary [GB] plane with both dislocation and step character) control many of the kinetic and dynamical properties of GBs and the polycrystalline materials of which they are central constituents. We demonstrate that GBs undergo a fini...

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

authors： Chen K,Srolovitz DJ,Han J

更新日期：2020-12-29 00:00:00

abstract：:We have cloned four lambda light chain constant region (C) genes from mouse embryo DNA. Each carries its own joining (J) segment approximately 1.3 kilobases to its 5' side. The four C genes occur in two clusters, 5' J3C3J1C13' and 5' J2C2J4C43', with C4 being a new C lambda gene. We have also shown that V lambda 1 is ...

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

authors： Blomberg B,Traunecker A,Eisen H,Tonegawa S

更新日期：1981-06-01 00:00:00

abstract：:Small ubiquitin-like modifier (SUMO) modification is emerging as an important control in transcription regulation. Here, we show that CREB-binding protein (CBP), a versatile transcriptional coactivator for numerous transcription factors in response to diverse signaling events, can be modified by SUMO-1 at lysine resid...

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

authors： Kuo HY,Chang CC,Jeng JC,Hu HM,Lin DY,Maul GG,Kwok RP,Shih HM

更新日期：2005-11-22 00:00:00

abstract：:The rat anterior pituitary gland (AP) receives all of its blood supply via the hypophyseal portal circulation. We now report, in rats with estradiol (E2)-induced prolactin-secreting tumors, that newly formed arteries directly supply the AP and that this arteriogenesis is closely correlated with the sensitivity of two ...

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

authors： Elias KA,Weiner RI

更新日期：1984-07-01 00:00:00

abstract：:In adult skeletal muscles, 2 junctophilin isoforms (JPH1 and JPH2) tether the sarcoplasmic reticulum (SR) to transverse tubule (T-tubule) membranes, generating stable membrane contact sites known as triads. JPHs are anchored to the membrane of the SR by a C-terminal transmembrane domain (TMD) and bind the T-tubule mem...

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

authors： Rossi D,Scarcella AM,Liguori E,Lorenzini S,Pierantozzi E,Kutchukian C,Jacquemond V,Messa M,De Camilli P,Sorrentino V

更新日期：2019-07-30 00:00:00

abstract：:We examine the IFN-alpha/beta-independent activation of cellular transcription that constitutes an early antiviral response of cells against influenza A and B viruses, which cause widespread epidemics in humans. We show that influenza B virus induces the synthesis in human cells of several mature mRNAs encoded by gene...

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

authors： Kim MJ,Latham AG,Krug RM

更新日期：2002-07-23 00:00:00

abstract：:Microtubules are polarized polymers that exhibit dynamic instability, with alternating phases of elongation and shortening, particularly at the more dynamic plus-end. Microtubule plus-end tracking proteins (+TIPs) localize to and track with growing microtubule plus-ends in the cell. +TIPs regulate microtubule dynamics...

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

authors： Dixit R,Barnett B,Lazarus JE,Tokito M,Goldman YE,Holzbaur EL

更新日期：2009-01-13 00:00:00

abstract：:ROOT MERISTEM GROWTH FACTOR (RGF) 1 is an important peptide hormone that regulates root growth. Upon binding to its receptor, RGFR1, RGF1 regulates the expression of two transcription factors, PLETHORA 1 and 2 (PLT1/2), to influence root meristem development. Here, we show that the ubiquitin-specific proteases UBP12 a...

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

authors： An Z,Liu Y,Ou Y,Li J,Zhang B,Sun D,Sun Y,Tang W

更新日期：2018-01-30 00:00:00

abstract：:As sensors, wireless communication devices, personal health monitoring systems, and autonomous microelectromechanical systems (MEMS) become distributed and smaller, there is an increasing demand for miniaturized integrated power sources. Although thin-film batteries are well-suited for on-chip integration, their energ...

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

authors： Ning H,Pikul JH,Zhang R,Li X,Xu S,Wang J,Rogers JA,King WP,Braun PV

更新日期：2015-05-26 00:00:00

abstract：:A series of HIV integrase (HIV-1 IN) inhibitors were synthesized to evaluate the role of the metal-binding group (MBG) in this class of metalloenzyme inhibitors. A total of 21 different raltegravir-chelator derivative (RCD) compounds were prepared that differed only in the nature of the MBG. These IN strand-transfer i...

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

authors： Agrawal A,DeSoto J,Fullagar JL,Maddali K,Rostami S,Richman DD,Pommier Y,Cohen SM

更新日期：2012-02-14 00:00:00

abstract：:This study presents, to our knowledge, the first on-line measurement of acetylcholinesterase (AcChoEase) release from brain tissue. It is now well established that a soluble form of the enzyme is released from central nervous system neurons, and it has been proposed on indirect grounds that such release may occur not ...

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

authors： Llinás RR,Greenfield SA

更新日期：1987-05-01 00:00:00

abstract：:The time-dependent Schrödinger equation is a cornerstone of quantum physics and governs all phenomena of the microscopic world. However, despite its importance, its origin is still not widely appreciated and properly understood. We obtain the Schrödinger equation from a mathematical identity by a slight generalization...

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

authors： Schleich WP,Greenberger DM,Kobe DH,Scully MO

更新日期：2013-04-02 00:00:00

abstract：:L203 and L227 are mouse monoclonal antibodies specific for human HLA-DR antigens. Their reactivity with multiple, structurally different, HLA-DR antigens was examined by using radioiodinated human lymphoblastoid cells and cell lines, heterozygous or homozygous at the HLA-D locus. Antibody L203 precipitates DR antigens...

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

authors： Finn OJ,Levy R

更新日期：1982-04-01 00:00:00

abstract：:In this report we provide evidence that neuronal nicotinic acetylcholine receptors (nAChRs) are present on hippocampal astrocytes and their activation produces rapid currents and calcium transients. Our data indicate that these responses obtained from astrocytes are primarily mediated by an AChR subtype that is functi...

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

authors： Sharma G,Vijayaraghavan S

更新日期：2001-03-27 00:00:00

abstract：:Donor DNA molecules carrying Tn1 or Tn3 deletion mutants do not need to replicate in order to participate in replicon fusion recombination events during which the Tn1/Tn3 element is duplicated. We have assayed Tn1 delta Ap-mediated replicon fusion events involving plasmid R388 and the bacteriophage lambda-derived plas...

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

authors： Muster CJ,Shapiro JA,MacHattie LA

更新日期：1983-04-01 00:00:00

abstract：:A number of studies have noted that nucleotide substitution rates at the chloroplast-encoded rbcL locus violate the molecular clock principle. Substitution rate variation at this plastid gene is particularly pronounced between palms and grasses; for example, a previous study estimated that substitution rates in rbcL s...

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

authors： Gaut BS,Morton BR,McCaig BC,Clegg MT

更新日期：1996-09-17 00:00:00