Genome-wide network model capturing seed germination reveals coordinated regulation of plant cellular phase transitions.

abstract：:Because previous studies showed that polyunsaturated fatty acids can reduce the contraction rate of spontaneously beating heart cells and have antiarrhythmic effects, we examined the effects of the fatty acids on the electrophysiology of the cardiac cycle in isolated neonatal rat cardiac myocytes. Exposure of cardiomy...

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

authors： Kang JX,Xiao YF,Leaf A

更新日期：1995-04-25 00:00:00

abstract：:Multiple paleoclimate proxies are required for robust assessment of past hydroclimatic conditions. Currently, estimates of drought variability over the past several thousand years are based largely on tree-ring records. We produced a 1,500-y record of winter precipitation in the Pacific Northwest using a physical mode...

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

authors： Steinman BA,Abbott MB,Mann ME,Stansell ND,Finney BP

更新日期：2012-07-17 00:00:00

abstract：:The organization and allelic recombination of the merozoite surface protein-1 gene of Plasmodium vivax (PvMsp-1), the most widely prevalent human malaria parasite, were evaluated in complete nucleotide sequences of 40 isolates from various geographic areas. Alignment of 31 distinct alleles revealed the mosaic organiza...

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

authors： Putaporntip C,Jongwutiwes S,Sakihama N,Ferreira MU,Kho WG,Kaneko A,Kanbara H,Hattori T,Tanabe K

更新日期：2002-12-10 00:00:00

abstract：:A perversion in an otherwise uniform helical structure, such as a climbing plant tendril, refers to a kink that connects two helices with opposite chiralities. Such singularity structures are widely seen in natural and artificial mechanical systems, and they provide the fundamental mechanism of helical symmetry breaki...

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

authors： Liu S,Yao Z,Chiou K,Stupp SI,Olvera de la Cruz M

更新日期：2016-06-28 00:00:00

abstract：:In this report we analyzed genetically informative data to investigate within-person change and between-person differences in late-life cognitive abilities as a function of childhood social class. We used data from nine testing occasions spanning 28 y in the Swedish Adoption/Twin Study of Aging and parental social cla...

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

authors： Ericsson M,Lundholm C,Fors S,Dahl Aslan AK,Zavala C,Reynolds CA,Pedersen NL

更新日期：2017-07-03 00:00:00

abstract：:We have postulated that the toxic neuropathies associated with neurofilament-filled axonal swellings have a common pathogenesis, the covalent crosslinking of neurofilaments during anterograde transport. The newly described gamma-diketone, 3,4-dimethyl-2,5-hexanedione (DMHD), is a more potent analogue of the toxic meta...

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

authors： Graham DG,Szakál-Quin G,Priest JW,Anthony DC

更新日期：1984-08-01 00:00:00

abstract：:Naked mole-rats form eusocial colonies consisting of a single breeding female (the queen), several breeding males, and sexually immature adults (subordinates). Subordinates are cooperative and provide alloparental care by huddling and retrieving pups to the nest. However, the physiological mechanism(s) underlying allo...

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

authors： Watarai A,Arai N,Miyawaki S,Okano H,Miura K,Mogi K,Kikusui T

更新日期：2018-09-11 00:00:00

abstract：:Almost all democratic societies evolved socially and politically out of authoritarian and nondemocratic regimes. These changes not only altered the allocation of economic resources in society but also the structure of political power. In this paper, we develop a framework for studying the dynamics of political and soc...

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

authors： Acemoglu D,Egorov G,Sonin K

更新日期：2011-12-27 00:00:00

abstract：:Light chains were obtained from IgG rabbit antibodies to the group-specific carbohydrates of groups A and C streptococci. An analysis of the amino acid alternatives which exist at the first three positions of the N-terminus in both light-chain preparations shows a marked restriction in amino acid sequence heterogeneit...

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

authors： Hood L,Lackland H,Eichman K,Kindt TJ,Braun DG,Krause RM

更新日期：1969-07-01 00:00:00

abstract：:By optically probing with a focused, low-power laser beam, we measured the spontaneous deflection fluctuations of the sensory hair bundles on frog saccular hair cells with a sensitivity of about 1 pm/square root of Hz. The preparation was illuminated by two orthogonally polarized laser beams separated by only about 0....

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

authors： Denk W,Webb WW,Hudspeth AJ

更新日期：1989-07-01 00:00:00

abstract：:The very low density lipoprotein (VLDL) receptor is a recently cloned member of the low density lipoprotein (LDL) receptor family that mediates the binding and uptake of VLDL when overexpressed in animal cells. Its sequence is 94% identical in humans and rabbits and 84% identical in humans and chickens, implying a con...

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

authors： Frykman PK,Brown MS,Yamamoto T,Goldstein JL,Herz J

更新日期：1995-08-29 00:00:00

abstract：:Three genome-wide RNA interference screens were performed in Drosophila S2 cells to dissect the contribution of host processes to Listeria monocytogenes entry, vacuolar escape, and intracellular growth. Among the 116 genes identified, several host pathways previously unrecognized as playing a role in listerial pathoge...

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

authors： Cheng LW,Viala JP,Stuurman N,Wiedemann U,Vale RD,Portnoy DA

更新日期：2005-09-20 00:00:00

abstract：:It has been controversial whether the cytochrome oxidase (CO)-dense blobs in primate primary visual cortex (V1) and CO-dense thin stripes in visual area 2 (V2) are parts of a cortical color-processing stream that is segregated from other functional streams. One of the key pieces of evidence for the segregated color st...

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

authors： Xiao Y,Felleman DJ

更新日期：2004-05-04 00:00:00

abstract：:Hypermutation in immunoglobulin genes produces a high frequency of substitutions of all four bases, which are likely generated by low-fidelity DNA polymerases. Indeed, humans deficient for DNA polymerase (pol) eta have decreased substitutions of A.T base pairs in variable and switch regions. To study the role of pol e...

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

authors： Martomo SA,Yang WW,Wersto RP,Ohkumo T,Kondo Y,Yokoi M,Masutani C,Hanaoka F,Gearhart PJ

更新日期：2005-06-14 00:00:00

abstract：:Emerging genetic and clinical evidence suggests a link between Gaucher disease and the synucleinopathies Parkinson disease and dementia with Lewy bodies. Here, we provide evidence that a mouse model of Gaucher disease (Gba1(D409V/D409V)) exhibits characteristics of synucleinopathies, including progressive accumulation...

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

authors： Sardi SP,Clarke J,Kinnecom C,Tamsett TJ,Li L,Stanek LM,Passini MA,Grabowski GA,Schlossmacher MG,Sidman RL,Cheng SH,Shihabuddin LS

更新日期：2011-07-19 00:00:00

abstract：:Fossil glycoproteins of the soluble organic matrix are present in an 80-million-year-old mollusk shell from the Late Cretaceous Period. Discrete molecular weight components, as determined by gel electrophoresis, are preserved. The fossil organic matrix was compared with the organic matrix of a living representative sp...

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

authors： Weiner S,Lowenstam HA,Hood L

更新日期：1976-08-01 00:00:00

abstract：:Normal neural development is essential for the formation of neuronal networks and brain function. Cutaneous T cell lymphoma-associated antigen 5 (cTAGE5)/meningioma expressed antigen 6 (MEA6) plays a critical role in the secretion of proteins. However, its roles in the transport of nonsecretory cellular components and...

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

authors： Zhang F,Wang Y,Wang T,Yao L,Lam SM,Huang X,Fan J,Wang Q,Liu L,Jiang Y,Zhang H,Shi L,Yu M,Shui G,Wang Y,Gao F,Zhang X,Xu Z

更新日期：2018-10-02 00:00:00

abstract：:Cell clones nonproductively transformed by the replication-defective Abelson strain of murine leukemia virus (AbLV) were analyzed for type C viral antigen expression by competition immunoassay. AbLV-transformed mink non-producer lines were found to express a 110,000- to 130,000-molecular weight polyprotein containing ...

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

authors： Reynolds FH Jr,Sacks TL,Deobagkar DN,Stephenson JR

更新日期：1978-08-01 00:00:00

abstract：:The envelope spike of HIV is one of the most highly N-glycosylated structures found in nature. However, despite extensive research revealing essential functional roles in infection and immune evasion, the chemical structures of the glycans on the native viral envelope glycoprotein gp120--as opposed to recombinantly ge...

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

authors： Doores KJ,Bonomelli C,Harvey DJ,Vasiljevic S,Dwek RA,Burton DR,Crispin M,Scanlan CN

更新日期：2010-08-03 00:00:00

abstract：:A critical step in the induction of apoptosis is the activation of the apoptotic initiator caspase 9. We show that at its normal physiological concentration, caspase 9 is primarily an inactive monomer (zymogen), and that activity is associated with a dimeric species. At the high concentrations used for crystal formati...

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

authors： Renatus M,Stennicke HR,Scott FL,Liddington RC,Salvesen GS

更新日期：2001-12-04 00:00:00

abstract：:Biological resurfacing of entire articular surfaces represents an important but challenging strategy for treatment of cartilage degeneration that occurs in osteoarthritis. Not only does this approach require anatomically sized and functional engineered cartilage, but the inflammatory environment within an arthritic jo...

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

authors： Moutos FT,Glass KA,Compton SA,Ross AK,Gersbach CA,Guilak F,Estes BT

更新日期：2016-08-02 00:00:00

abstract：:The ability to predictably control the coassembly of multiple nanoscale building blocks, especially those with disparate chemical and physical properties such as biomolecules and inorganic nanoparticles, has far-reaching implications in catalysis, sensing, and photonics, but a generalizable strategy for engineering sp...

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

authors： Brodin JD,Auyeung E,Mirkin CA

更新日期：2015-04-14 00:00:00

abstract：:The p21 RAS subfamily of small GTPases, including KRAS, HRAS, and NRAS, regulates cell proliferation, cytoskeletal organization, and other signaling networks, and is the most frequent target of activating mutations in cancer. Activating germline mutations of KRAS and HRAS cause severe developmental abnormalities leadi...

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

authors： Oliveira JB,Bidère N,Niemela JE,Zheng L,Sakai K,Nix CP,Danner RL,Barb J,Munson PJ,Puck JM,Dale J,Straus SE,Fleisher TA,Lenardo MJ

更新日期：2007-05-22 00:00:00

abstract：:The output of the cerebellar cortex is controlled by two main inputs, (i.e., the climbing fiber and mossy fiber-parallel fiber pathway) and activations of these inputs elicit characteristic effects in its Purkinje cells: that is, the so-called complex spikes and simple spikes. Target neurons of the Purkinje cells in t...

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

authors： Hoebeek FE,Witter L,Ruigrok TJ,De Zeeuw CI

更新日期：2010-05-04 00:00:00

abstract：:Significant efforts have been directed to understanding the factors that influence the lineage commitment of stem cells. This paper demonstrates that cell shape, independent of soluble factors, has a strong influence on the differentiation of human mesenchymal stem cells (MSCs) from bone marrow. When exposed to compet...

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

authors： Kilian KA,Bugarija B,Lahn BT,Mrksich M

更新日期：2010-03-16 00:00:00

abstract：:Infection of BALB/3T3 cells by polyoma virus causes an alteration in the cell surface, characterized by enhanced agglutination of the cells by wheat germ agglutinin or concanavalin A. Infection by the thermosensitive mutant of polyoma, ts-3, causes the cell surface alteration at the permissive temperature, but not at ...

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

authors： Eckhart W,Dulbecco R,Burger MM

更新日期：1971-02-01 00:00:00

abstract：:It recently has been shown that epithelial Na(+) channels are controlled by a receptor for intracellular Na(+), a G protein (G(o)), and a ubiquitin-protein ligase (Nedd4). Furthermore, mutations in the epithelial Na(+) channel that underlie the autosomal dominant form of hypertension known as Liddle's syndrome inhibit...

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

authors： Ishibashi H,Dinudom A,Harvey KF,Kumar S,Young JA,Cook DI

更新日期：1999-08-17 00:00:00

abstract：:The blue-light receptor genes (sopII) of sensory rhodopsin (SR) II were cloned from two species, the halophilic bacteria Haloarcula vallismortis (vSR-II) and Natronobacterium pharaonis (pSR-II). Upstream of both sopII gene loci, sequences corresponding to the halobacterial transducer of rhodopsin (Htr) II were recogni...

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

authors： Seidel R,Scharf B,Gautel M,Kleine K,Oesterhelt D,Engelhard M

更新日期：1995-03-28 00:00:00

abstract：:Marked hypoalphalipoproteinemia was found together with relatively low serum cholesterol, triacylglycerol, and LDL levels in a triose-phosphate isomerase (TPI; D-glyceraldehyde-3-phosphate ketol-isomerase, EC 5.3.1.1)-deficient Hungarian family, especially in the two compound-heterozygote brothers. Apart from a slight...

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

authors： Hollán S,Dey I,Szollár L,Horányi M,Magócsi M,Harsányi V,Farkas T

更新日期：1995-01-03 00:00:00

abstract：:Despite the proclamation of Lowenstam and Weiner that crustaceans are the "champions of mineral mobilization and deposition of the animal kingdom," relatively few proteins from the two main calcification sites in these animals, i.e., the exoskeleton and the transient calcium storage organs, have been identified, seque...

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

authors： Shechter A,Glazer L,Cheled S,Mor E,Weil S,Berman A,Bentov S,Aflalo ED,Khalaila I,Sagi A

更新日期：2008-05-20 00:00:00