Light chains of myosins from white, red, and cardiac muscles.

abstract：:Inducer-mediated murine erythroleukemia cell (MELC) differentiation provides a model for examining factors determining terminal cell differentiation. The nuclear protein, p53, has been implicated as a potential determinant of cell cycle progression and cell differentiation. In this study p53 content and synthesis, dur...

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

authors： Shen DW,Real FX,DeLeo AB,Old LJ,Marks PA,Rifkind RA

更新日期：1983-10-01 00:00:00

abstract：:RsbR is a regulator of sigma(B), the RNA polymerase sigma factor subunit responsible for transcribing the general stress response genes when environmental stress is imposed on Bacillus subtilis. The C-terminal domain of RsbR and its paralogues is a substrate for the kinase function of another sigma(B) regulator, RsbT,...

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

authors： Murray JW,Delumeau O,Lewis RJ

更新日期：2005-11-29 00:00:00

abstract：:Aberrations in the T cell repertoire with the emergence of oligoclonal populations have been described in patients with rheumatoid arthritis (RA). However, the extent of the repertoire perturbations as well as the underlying mechanisms are not known. We now have examined the diversity of the peripheral CD4 T cell repe...

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

authors： Wagner UG,Koetz K,Weyand CM,Goronzy JJ

更新日期：1998-11-24 00:00:00

abstract：:Individuals homozygous for the C-C chemokine receptor type 5 gene with 32-bp deletions (CCR5Δ32) are resistant to HIV-1 infection. In this study, we generated induced pluripotent stem cells (iPSCs) homozygous for the naturally occurring CCR5Δ32 mutation through genome editing of wild-type iPSCs using a combination of ...

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

authors： Ye L,Wang J,Beyer AI,Teque F,Cradick TJ,Qi Z,Chang JC,Bao G,Muench MO,Yu J,Levy JA,Kan YW

更新日期：2014-07-01 00:00:00

abstract：:The number of sensory receptor genes varies extensively among different mammalian species. This variation is believed to be caused partly by physiological requirements of animals and partly by genomic drift due to random duplication and deletion of genes. If the contribution of genomic drift is substantial, each speci...

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

authors： Nozawa M,Kawahara Y,Nei M

更新日期：2007-12-18 00:00:00

abstract：:Elucidation of the genetic control of rice architecture is crucial due to the global demand for high crop yields. Rice architecture is a complex trait affected by plant height, tillering, and panicle morphology. In this study, principal component analysis (PCA) on 8 typical traits related to plant architecture reveale...

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

authors： Yano K,Morinaka Y,Wang F,Huang P,Takehara S,Hirai T,Ito A,Koketsu E,Kawamura M,Kotake K,Yoshida S,Endo M,Tamiya G,Kitano H,Ueguchi-Tanaka M,Hirano K,Matsuoka M

更新日期：2019-10-15 00:00:00

abstract：:One of the defining trends of the Holocene has been the emergence of complex societies. Two essential features of complex societies are intensive resource use and sociopolitical hierarchy. Although it is widely agreed that these two phenomena are associated cross-culturally and have both contributed to the rise of com...

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

authors： Sheehan O,Watts J,Gray RD,Atkinson QD

更新日期：2018-04-03 00:00:00

abstract：:Macrophages use phagocytosis to control the spread of pathogens in the body, to clear apoptotic cells, and to aid in tissue remodeling. The phagosomal membrane is traditionally thought to originate from the plasmalemma and then go through a series of maturation steps involving sequential fusion with endosomal compartm...

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

authors： Rogers LD,Foster LJ

更新日期：2007-11-20 00:00:00

abstract：:Ribavirin is a nucleotide analog that can be incorporated by viral polymerases, causing mutations by allowing base mismatches. It is currently used therapeutically as an antiviral drug during hepatitis C virus infections. During the amplification of poliovirus genomic RNA or hepatitis C replicons, error frequency is k...

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

authors： Pfeiffer JK,Kirkegaard K

更新日期：2003-06-10 00:00:00

abstract：:Retinitis pigmentosa (RP) is an inherited neurodegenerative disease, in which the death of mutant rod photoreceptors leads secondarily to the non-cell autonomous death of cone photoreceptors. Gene therapy is a promising treatment strategy. Unfortunately, current methods of gene delivery treat only a fraction of diseas...

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

authors： Koch SF,Duong JK,Hsu CW,Tsai YT,Lin CS,Wahl-Schott CA,Tsang SH

更新日期：2017-05-16 00:00:00

abstract：:The potent transforming activity of membrane-targeted Raf-1 (Raf-CAAX) suggests that Ras transformation is triggered primarily by a Ras-mediated translocation of Raf-1 to the plasma membrane. However, whereas constitutively activated mutants of Ras [H-Ras(61L) and K-Ras4B(12V)] and Raf-1 (DeltaRaf-22W and Raf-CAAX) ca...

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

authors： Oldham SM,Clark GJ,Gangarosa LM,Coffey RJ Jr,Der CJ

更新日期：1996-07-09 00:00:00

abstract：:The frequencies of diverse rearrangements of variable (V)lambda to joining (J)lambda gene segments were examined by Southern blot hybridization in 30 murine B-cell lines, each producing an immunoglobulin lambda light chain of known subtype (lambda 1, lambda 2, or lambda 3). For 11 out of 12 lambda 1 chains, the rearra...

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

authors： Reilly EB,Blomberg B,Imanishi-Kari T,Tonegawa S,Eisen HN

更新日期：1984-04-01 00:00:00

abstract：:Protein framework alterations in heritable Cu, Zn superoxide dismutase (SOD) mutants cause misassembly and aggregation in cells affected by the motor neuron disease ALS. However, the mechanistic relationship between superoxide dismutase 1 (SOD1) mutations and human disease is controversial, with many hypotheses postul...

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

authors： Pratt AJ,Shin DS,Merz GE,Rambo RP,Lancaster WA,Dyer KN,Borbat PP,Poole FL 2nd,Adams MW,Freed JH,Crane BR,Tainer JA,Getzoff ED

更新日期：2014-10-28 00:00:00

abstract：:Lampreys are one of the two surviving jawless vertebrate groups and one of a few vertebrate groups with the best exemplified metamorphosis during their life cycle, which consists of a long-lasting larval stage, a peculiar metamorphosis, and a relatively short adulthood with a markedly different anatomy. Although the f...

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

authors： Chang MM,Wu F,Miao D,Zhang J

更新日期：2014-10-28 00:00:00

abstract：:G-protein metallochaperones ensure fidelity during cofactor assembly for a variety of metalloproteins, including adenosylcobalamin (AdoCbl)-dependent methylmalonyl-CoA mutase and hydrogenase, and thus have both medical and biofuel development applications. Here, we present crystal structures of IcmF, a natural fusion ...

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

authors： Jost M,Cracan V,Hubbard PA,Banerjee R,Drennan CL

更新日期：2015-02-24 00:00:00

abstract：:Centrosome reorientation to the immunological synapse maintains the specificity of T-cell effector function by facilitating the directional release of cytokines and cytolytic factors toward the antigen-presenting cell. This polarization response is driven by the localized accumulation of diacylglycerol, which recruits...

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

authors： Liu X,Kapoor TM,Chen JK,Huse M

更新日期：2013-07-16 00:00:00

abstract：:The gene that codes for Drosophila alcohol dehydrogenase (ADH; alcohol:NAD+ oxidoreductase EC 1.1.1.1) was identified in a bacteriophage lambda library of genomic Drosophila DNA by using ADH cDNA cloned DNA as a probe. The DNA sequence of the protein encoding region was shown to be in agreement with the amino acid seq...

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

authors： Benyajati C,Place AR,Powers DA,Sofer W

更新日期：1981-05-01 00:00:00

abstract：:Specific low-affinity receptors for leukemia inhibitory factor (LIF), oncostatin M (OSM; gp130), and ciliary neurotrophic factor (CNTF; receptor alpha, CNTFR alpha) may be utilized in various combinations to generate high-affinity binding sites and signal transduction. We have tested the ability of combinations of the...

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

authors： Gearing DP,Ziegler SF,Comeau MR,Friend D,Thoma B,Cosman D,Park L,Mosley B

更新日期：1994-02-01 00:00:00

abstract：:Glomeruli in the olfactory bulb are anatomically discrete modules receiving input from idiotypic olfactory sensory neurons. To examine the functional organization of sensory inputs to individual glomeruli, we loaded olfactory sensory neurons with a Ca(2+) indicator and measured odorant-evoked presynaptic Ca(2+) signal...

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

authors： Wachowiak M,Denk W,Friedrich RW

更新日期：2004-06-15 00:00:00

abstract：:In the presence of the S polypeptide, maize chloroplast DNA-dependent RNA polymerase preferentially transcribes sequences within the 2200-nucleotide-pair-long maize chloroplast chromosome fragment Eco [unk] from a supercoiled chimeric plasmid cloned in Escherichia coli [Jolly, S. O. & Bogorad, L. (1980) Proc. Natl. Ac...

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

authors： Schwarz Z,Jolly SO,Steinmetz AA,Bogorad L

更新日期：1981-06-01 00:00:00

abstract：:The FKBP12-rapamycin-associated protein (FRAP; also called RAFT1/mTOR) regulates translation initiation and entry into the cell cycle. Depriving cells of amino acids or treating them with the small molecule rapamycin inhibits FRAP and results in rapid dephosphorylation and inactivation of the translational regulators ...

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

authors： Peterson RT,Desai BN,Hardwick JS,Schreiber SL

更新日期：1999-04-13 00:00:00

abstract：:Relaxin is a member of the insulin family of polypeptides that is best known as a reproductive hormone. In an effort to elucidate the mechanism of action of relaxin we previously localized the specific binding sites of a 32P-labeled relaxin in the rat uterus and brain. These studies suggested that, in addition to its ...

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

authors： Osheroff PL,Cronin MJ,Lofgren JA

更新日期：1992-03-15 00:00:00

abstract：:microRNAs comprise a few percent of animal genes and have been recognized as important regulators of a diverse range of biological processes. Understanding the biological functions of miRNAs requires effective means to identify their targets. Combined efforts from computational prediction, miRNA over-expression or dep...

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

authors： Hong X,Hammell M,Ambros V,Cohen SM

更新日期：2009-09-01 00:00:00

abstract：:The opposite slopes of "Evolution Canyon" in Israel have served as a natural model system of adaptation to a microclimate contrast. Long-term studies of Drosophila melanogaster populations inhabiting the canyon have exhibited significant interslope divergence in thermal and drought stress resistance, candidate genes, ...

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

authors： Hübner S,Rashkovetsky E,Kim YB,Oh JH,Michalak K,Weiner D,Korol AB,Nevo E,Michalak P

更新日期：2013-12-24 00:00:00

abstract：:Netrin-1 is critical for axonal pathfinding which shares similarities with formation of vascular network. Here we report that netrin-1 induction of angiogenesis is mediated by an increase in endothelial nitric oxide (NO*) production, which occurs via a DCC-dependent, ERK1/2-eNOS feed-forward mechanism. Exposure of mat...

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

authors： Nguyen A,Cai H

更新日期：2006-04-25 00:00:00

abstract：:Many studies have reported age-related changes in immune responses that could be due to alterations in lymphoid cell numbers or functions. Here we report the results of studies using immunofluorescent staining and in vitro assays of cellular function to compare the expression of cell surface antigens on lymphocytes fr...

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

authors： Sidman CL,Luther EA,Marshall JD,Nguyen KA,Roopenian DC,Worthen SM

更新日期：1987-11-01 00:00:00

abstract：:An algorithm for protein engineering, termed recursive ensemble mutagenesis, has been developed to produce diverse populations of phenotypically related mutants whose members differ in amino acid sequence. This method uses a feedback mechanism to control successive rounds of combinatorial cassette mutagenesis. Startin...

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

authors： Arkin AP,Youvan DC

更新日期：1992-08-15 00:00:00

abstract：:A long (20-30 micrometer), wide (3-5 micrometer) microbial-mat bacterium from the Ebro Delta (Tarragona, Spain) was grown in mixed culture and videographed live. Intracellular elemental sulfur globules and unique cell termini were observed in scanning-electron-microprobe and transmission-electron micrographs. A polar ...

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

authors： Guerrero R,Haselton A,Solé M,Wier A,Margulis L

更新日期：1999-09-28 00:00:00

abstract：:Plasmids containing the replication origin of the Escherichia coli chromosome (oriC plasmids) are unstable in certain recA strains of E. coli. However, they can be maintained more stably in other recA strains. This stable maintenance has allowed us to study the incompatibility properties of oriC plasmids. We have foun...

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

authors： Yamaguchi K,Yamaguchi M,Tomizawa J

更新日期：1982-09-01 00:00:00

abstract：:Helicases are molecular motor enzymes that unwind and translocate nucleic acids. One of the central questions regarding helicase activity is whether the process of coupling ATP hydrolysis to DNA unwinding requires an oligomeric form of the enzyme. We have applied a pre-steady-state kinetics approach to address this qu...

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

authors： Nanduri B,Byrd AK,Eoff RL,Tackett AJ,Raney KD

更新日期：2002-11-12 00:00:00