Prospects for fungus identification using CO1 DNA barcodes, with Penicillium as a test case.

abstract：:FK506-binding protein 52 (FKBP52), which binds FK506 and possesses peptidylprolyl isomerase activity, is an important immunophilin involved in the heterocomplex of steroid receptors with heat-shock protein 90. Here we report the crystal structures of two overlapped fragments [N(1-260) and C(145-459)] of FKBP52 and the...

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

authors： Wu B,Li P,Liu Y,Lou Z,Ding Y,Shu C,Ye S,Bartlam M,Shen B,Rao Z

更新日期：2004-06-01 00:00:00

abstract：:Coatomer, the major component of the coat of COPI transport vesicles, binds both to the dilysine motif of resident membrane proteins of the endoplasmic reticulum and to the cytoplasmic domain of p23, a major type I membrane protein of COPI vesicles. Using a photocrosslinking approach, we find that under native conditi...

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

authors： Harter C,Wieland FT

更新日期：1998-09-29 00:00:00

abstract：:Trypanosomatid RNA editing is a unique process and essential for these organisms. It therefore represents a drug target for a group of protozoa that includes the causative agents for African sleeping sickness and other devastating tropical and subtropical diseases. Here, we present drug-like inhibitors of a key enzyme...

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

authors： Amaro RE,Schnaufer A,Interthal H,Hol W,Stuart KD,McCammon JA

更新日期：2008-11-11 00:00:00

abstract：:Cytological preparations of interphase nuclei and chromosomes from mouse 3T6 cells prepared at various times after infection with the murine sarcomaleukemia virus complex were hybridized with the [(3)H]DNA product of the viral RNA-directed DNA polymerase. While uninfected nuclei had an average of 4 autoradiographic gr...

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

authors： Loni MC,Green M

更新日期：1974-09-01 00:00:00

abstract：:The Cdc7p protein kinase is essential for the G1/S transition and initiation of DNA replication during the cell division cycle in Saccharomyces cerevisiae. Cdc7p appears to be an evolutionarily conserved protein, since a homolog Hsk1 has been isolated from Schizosaccharomyces pombe. Here, we report the isolation of a ...

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

authors： Jiang W,Hunter T

更新日期：1997-12-23 00:00:00

abstract：:Obesity is a major public health problem and is often associated with type 2 diabetes mellitus, cardiovascular disease, and metabolic syndrome. Leptin is the crucial adipostatic hormone that controls food intake and body weight through the activation of specific leptin receptors (OB-R) in the hypothalamic arcuate nucl...

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

authors： Couturier C,Sarkis C,Séron K,Belouzard S,Chen P,Lenain A,Corset L,Dam J,Vauthier V,Dubart A,Mallet J,Froguel P,Rouillé Y,Jockers R

更新日期：2007-12-04 00:00:00

abstract：:Cytochromes P450 play key roles in drug metabolism and disease by oxidizing a wide variety of natural and xenobiotic compounds. High-resolution crystal structures of P450cam bound to ruthenium sensitizer-linked substrates reveal an open conformation of the enzyme that allows substrates to access the active center via ...

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

authors： Dunn AR,Dmochowski IJ,Bilwes AM,Gray HB,Crane BR

更新日期：2001-10-23 00:00:00

abstract：:To test the hypothesis that periodic signals and chemotaxis direct later morphogenesis in Dictyostelium discoideum, we investigated cell behavior and cell movement in slugs. Trails of neutral red-stained prestalk and anterior-like cells were recorded by high-resolution digital image processing. Neutral red-stained ant...

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

authors： Siegert F,Weijer CJ

更新日期：1992-07-15 00:00:00

abstract：:Mitogen-stimulated scheduled DNA synthesis and DNA excision repair in human lymphocytes, as well as DNA polymerase a activity in a cell-free system, were inhibited by an electrophilic metabolite of benzo[a]pyrene. This metabolite, (+/-)-anti-(7r,8t)-dihydroxy-(9,10t)-epoxy-7,8,9,10-tetrahyd robenzo[a]pyrene (BPDE), co...

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

authors： Busbee DL,Joe CO,Norman JO,Rankin PW

更新日期：1984-09-01 00:00:00

abstract：:Tropical forests hold most of Earth's biodiversity. Their continued loss through deforestation and agriculture is the main threat to species globally, more than disease, invasive species, and climate change. However, not all tropical forests have the same ability to sustain biodiversity. Those that have been disturbed...

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

authors： Hedges SB,Cohen WB,Timyan J,Yang Z

更新日期：2018-11-13 00:00:00

abstract：:Pyramidal cells in piriform cortex receive excitatory inputs from two different sources that are segregated onto adjacent segments of their apical dendrites. The present studies show that excitatory postsynaptic potentials (EPSPs) evoked by primary olfactory tract afferents that terminate on distal apical segments dis...

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

authors： Bower JM,Haberly LB

更新日期：1986-02-01 00:00:00

abstract：:The pleiotropic effect of the sickle gene suggests that factors in addition to polymerization of the mutant gene product might be involved in sickle disease pathobiology. We have examined rates of heme transfer to hemopexin from hemoglobin in dilute aqueous solution (0.5 mg of Hb per ml) at 37 degrees C. HbO2 S loses ...

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

authors： Hebbel RP,Morgan WT,Eaton JW,Hedlund BE

更新日期：1988-01-01 00:00:00

abstract：:Development of the nervous system in the amphibian embryo is initiated during gastrulation by an inductive interaction between chordamesoderm and dorsal ectoderm. The induced ectoderm forms the neural plate while uninduced ectoderm generates epidermis. We screened for genes activated during gastrulation and expressed ...

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

authors： Richter K,Grunz H,Dawid IB

更新日期：1988-11-01 00:00:00

abstract：:Genomic mapping has been used to identify a region of the host genome that determines resistance to fusiform rust disease in loblolly pine where no discrete, simply inherited resistance factors had been previously found by conventional genetic analysis over four decades. A resistance locus, behaving as a single domina...

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

authors： Wilcox PL,Amerson HV,Kuhlman EG,Liu BH,O'Malley DM,Sederoff RR

更新日期：1996-04-30 00:00:00

abstract：:The bacterial TATAAT -10 region sequence was the first promoter element to be identified, but how it functions is still not clear. Because the duplex element is melted during initiation, the effects of substitutions were studied in both single-and double-strand contexts. Band-shift results were particularly unexpected...

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

authors： Fenton MS,Gralla JD

更新日期：2001-07-31 00:00:00

abstract：:Titania, which exhibits superwetting under light illumination, has been widely used as an ideal material for environmental solution such as self-cleaning, water-air purification, and antifogging. There have been various studies to understand such superhydrophilic conversion. The origin of superwetting has not been cla...

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

authors： Lee K,Kim Q,An S,An J,Kim J,Kim B,Jhe W

更新日期：2014-04-22 00:00:00

abstract：:Unconventional mRNA splicing on the endoplasmic reticulum (ER) membrane is the sole conserved mechanism in eukaryotes to transmit information regarding misfolded protein accumulation to the nucleus to activate the stress response. In metazoans, the unspliced form of X-box-binding protein 1 (XBP1u) mRNA is recruited to...

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

authors： Kanda S,Yanagitani K,Yokota Y,Esaki Y,Kohno K

更新日期：2016-10-04 00:00:00

abstract：:The influence of oxidation state on the pH dependence of the dissolution of the Fe(4)S(4) clusters of Chromatium vinosum ferredoxin and high-potential iron protein (HIPIP) has been studied. The first-order rate constants (k(obs)) for dissolution of both the Fe(4)S(4)(S-Cys)(4) (2-) and Fe(4)S(4)(S-Cys)(4) (3-) cluster...

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

authors： Maskiewicz R,Bruice TC

更新日期：1977-12-01 00:00:00

abstract：:Energy-coupling factor (ECF) transporters are a recently discovered family of primary active transporters for micronutrients and vitamins, such as biotin, thiamine, and riboflavin. Found exclusively in archaea and bacteria, including the human pathogens Listeria, Streptococcus, and Staphylococcus, ECF transporters may...

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

authors： Karpowich NK,Wang DN

更新日期：2013-02-12 00:00:00

abstract：:The only known product of the Snyder-Theilen strain of feline sarcoma virus (ST-FeSV) is a 85,000-dalton protein, designated ST P85, that contains feline leukemia virus gag gene encoded proteins (p15, p12, and a fragment of p30) and a sarcoma virus-specific polypeptide. Antibodies directed against the latter immunopre...

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

authors： Barbacid M,Beemon K,Devare SG

更新日期：1980-09-01 00:00:00

abstract：:We report a signal-on, electronic DNA (E-DNA) sensor that is label-free and achieves a subpicomolar detection limit. The sensor, which is based on a target-induced strand displacement mechanism, is composed of a "capture probe" attached by its 5' terminus to a gold electrode and a 5' methylene blue-modified "signaling...

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

authors： Xiao Y,Lubin AA,Baker BR,Plaxco KW,Heeger AJ

更新日期：2006-11-07 00:00:00

abstract：:Fluorescence imaging in the second near-infrared window (NIR-II, 1,000-1,700 nm) features deep tissue penetration, reduced tissue scattering, and diminishing tissue autofluorescence. Here, NIR-II fluorescent probes, including down-conversion nanoparticles, quantum dots, single-walled carbon nanotubes, and organic dyes...

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

authors： Dang X,Gu L,Qi J,Correa S,Zhang G,Belcher AM,Hammond PT

更新日期：2016-05-10 00:00:00

abstract：:Beta subunits of voltage-gated Ca2+ channels are encoded in four genes and display additional molecular diversity because of alternative splicing. At the functional level, all forms are very similar except for beta2a, which differs in that it does not support prepulse facilitation of alpha1C Ca2+ channels, inhibits vo...

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

authors： Qin N,Platano D,Olcese R,Costantin JL,Stefani E,Birnbaumer L

更新日期：1998-04-14 00:00:00

abstract：:The adenovirus (Ad) early region 3 (E3) genes code for at least four proteins that inhibit the host immune responses mediated by cytotoxic T lymphocytes and tumor necrosis factor alpha. To evaluate the potential use of these immunoregulatory viral functions in facilitating allogeneic cell transplantation, the Ad E3 ge...

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

authors： Efrat S,Fejer G,Brownlee M,Horwitz MS

更新日期：1995-07-18 00:00:00

abstract：:Lymphocyte homeostasis is the result of a critical balance between cell proliferation and death. Disruption of this subtle equilibrium can lead to the onset of leukemia, an increase in the number of lymphocytes being potentially due to both of these parameters. The relative importance of cell proliferation vs. apoptos...

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

authors： Debacq C,Asquith B,Kerkhofs P,Portetelle D,Burny A,Kettmann R,Willems L

更新日期：2002-07-23 00:00:00

abstract：:Agrobacterium is a unique model system as well as a major biotechnological tool for genetic manipulation of plant cells. It is still unknown, however, whether host cellular factors exist that are limiting for infection, and whether their overexpression in plant cells can increase the efficiency of the infection. Here,...

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

authors： Tzfira T,Vaidya M,Citovsky V

更新日期：2002-08-06 00:00:00

abstract：:Obligate intracellular pathogens such as Leishmania specifically target host phagocytes for survival and replication. Phosphoinositide 3-kinase γ (PI3Kγ), a member of the class I PI3Ks that is highly expressed by leukocytes, controls cell migration by initiating actin polymerization and cytoskeletal reorganization, wh...

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

authors： Cummings HE,Barbi J,Reville P,Oghumu S,Zorko N,Sarkar A,Keiser TL,Lu B,Rückle T,Varikuti S,Lezama-Davila C,Wewers MD,Whitacre C,Radzioch D,Rommel C,Seveau S,Satoskar AR

更新日期：2012-01-24 00:00:00

abstract：:Studies of the accelerated aging disorder Hutchinson-Gilford progeria syndrome (HGPS) can potentially reveal cellular defects associated with physiological aging. HGPS results from expression and abnormal nuclear envelope association of a farnesylated, truncated variant of prelamin A called "progerin." We surveyed the...

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

authors： Chang W,Wang Y,Luxton GWG,Östlund C,Worman HJ,Gundersen GG

更新日期：2019-02-26 00:00:00

abstract：:A compound of simple structure, 2,4-dichlorobenzyl thiocyanate (DCBT), is an antimitotic agent with a number of unusual properties. The drug causes an extreme reorganization of microtubules in cells in culture. Most normal microtubules disappear, and remaining tubulin-containing structures appear to be bundled or aggr...

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

authors： Abraham I,Dion RL,Chi DM,Gottesman MM,Hamel E

更新日期：1986-09-01 00:00:00

abstract：:Thyroid hormone receptors (TRs) are members of the nuclear hormone receptor superfamily that act as ligand-dependent transcription factors. Here we identified the ten-eleven translocation protein 3 (TET3) as a TR interacting protein increasing cell sensitivity to T3. The interaction between TET3 and TRs is independent...

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

authors： Guan W,Guyot R,Samarut J,Flamant F,Wong J,Gauthier KC

更新日期：2017-08-01 00:00:00