Auxin inhibits stomatal development through MONOPTEROS repression of a mobile peptide gene STOMAGEN in mesophyll.

abstract：:The transport of moisture in the tropics is a critical process for the global energy budget and on geologic timescales, has markedly influenced continental landscapes, migratory pathways, and biological evolution. Here we present a continuous, first-of-its-kind 1.3-My record of continental hydroclimate and lake-level ...

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

authors： Lyons RP,Scholz CA,Cohen AS,King JW,Brown ET,Ivory SJ,Johnson TC,Deino AL,Reinthal PN,McGlue MM,Blome MW

更新日期：2015-12-22 00:00:00

abstract：:The main sources of information regarding ancient Mesopotamian history and culture are clay cuneiform tablets. Many of these tablets are damaged, leading to missing information. Currently, the missing text is manually reconstructed by experts. We investigate the possibility of assisting scholars, by modeling the langu...

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

authors： Fetaya E,Lifshitz Y,Aaron E,Gordin S

更新日期：2020-09-15 00:00:00

abstract：:In the Burmese python (Python molurus), the rapid up-regulation of gastrointestinal (GI) function and morphology after feeding, and subsequent down-regulation on completing digestion, are expected to be mediated by GI hormones and neuropeptides. Hence, we examined postfeeding changes in plasma and tissue concentration...

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

authors： Secor SM,Fehsenfeld D,Diamond J,Adrian TE

更新日期：2001-11-20 00:00:00

abstract：:A major goal of tumor immunotherapy is the effective eradication of established metastases associated with the induction of a T cell-mediated protective immunity. We achieved this in a poorly immunogenic murine neuroblastoma model by gene therapy with a single chain interleukin 12 (scIL-12) fusion protein that assures...

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

authors： Lode HN,Dreier T,Xiang R,Varki NM,Kang AS,Reisfeld RA

更新日期：1998-03-03 00:00:00

abstract：:Reactive oxygen species (ROS) are well-known accelerants of aging, but, paradoxically, we show that physiological levels of ROS extend life span in pupae of the moth Helicoverpa armigera, resulting in the dormant state of diapause. This developmental switch appears to operate through a variant of the conventional insu...

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

authors： Zhang XS,Wang T,Lin XW,Denlinger DL,Xu WH

更新日期：2017-09-12 00:00:00

abstract：:Sympatric speciation (SS), i.e., speciation within a freely breeding population or in contiguous populations, was first proposed by Darwin [Darwin C (1859) On the Origins of Species by Means of Natural Selection] and is still controversial despite theoretical support [Gavrilets S (2004) Fitness Landscapes and the Orig...

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

authors： Li K,Hong W,Jiao H,Wang GD,Rodriguez KA,Buffenstein R,Zhao Y,Nevo E,Zhao H

更新日期：2015-09-22 00:00:00

abstract：:The ubiquitous gasotransmitter hydrogen sulfide (H2S) has been recognized to play a crucial role in human health. Using cystathionine γ-lyase (CSE)-deficient mice, we demonstrate an unexpected role of H2S in Mycobacterium tuberculosis (Mtb) pathogenesis. We showed that Mtb-infected CSE-/- mice survive longer than WT m...

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

authors： Rahman MA,Cumming BM,Addicott KW,Pacl HT,Russell SL,Nargan K,Naidoo T,Ramdial PK,Adamson JH,Wang R,Steyn AJC

更新日期：2020-03-24 00:00:00

abstract：:An experimental study of the configurational thermodynamics for a series of near-eutectic Pt80-x Cu x P20 bulk metallic glass-forming alloys is reported where 14 < x < 27. The undercooled liquid alloys exhibit very high fragility that increases as x decreases, resulting in...

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

authors： Na JH,Corona SL,Hoff A,Johnson WL

更新日期：2020-02-11 00:00:00

abstract：:Excessive activation of calmodulin kinase II (CaMKII) causes arrhythmias and heart failure, but the cellular mechanisms for CaMKII-targeted proteins causing disordered cell membrane excitability and myocardial dysfunction remain uncertain. Failing human cardiomyocytes exhibit increased CaMKII and voltage-gated Ca(2+) ...

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

authors： Koval OM,Guan X,Wu Y,Joiner ML,Gao Z,Chen B,Grumbach IM,Luczak ED,Colbran RJ,Song LS,Hund TJ,Mohler PJ,Anderson ME

更新日期：2010-03-16 00:00:00

abstract：:Treatment of the Daudi Burkitt lymphoma-derived cell line with human interferon alpha, which inhibits cell proliferation in this system, induces differentiation of these B-lymphoid cells into cells with a plasmacytoid phenotype. This differentiation, quantified by the appearance of surface antigens characteristic of m...

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

authors： Exley R,Gordon J,Clemens MJ

更新日期：1987-09-01 00:00:00

abstract：:A series of recombinant plasmids was generated in Escherichia coli in which the TEM beta-lactamase translocon (TnA) was inserted into the small plasmid RSF1010. RSF1010 is a 5.5 X 10(6) dalton nonconjugative plasmid which confers resistance to streptomycin and sulfonamide. The recombinant plasmids can be classified in...

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

authors： Heffron F,Rubens C,Falkow S

更新日期：1975-09-01 00:00:00

abstract：:The bioluminescent bacterium Vibrio fischeri initiates a specific, persistent symbiosis in the light organ of the squid Euprymna scolopes. During the early stages of colonization, V. fischeri is exposed to host-derived nitric oxide (NO). Although NO can be both an antimicrobial component of innate immunity and a key s...

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

authors： Wang Y,Dufour YS,Carlson HK,Donohue TJ,Marletta MA,Ruby EG

更新日期：2010-05-04 00:00:00

abstract：:Protein S (ProS) and growth arrest-specific 6 (Gas6) bind to phosphatidylserine (PtdSer) and induce efferocytosis upon binding TAM-family receptors (Tyro3, Axl, and Mer). Here, we produced mouse ProS, Gas6, and TAM-receptor extracellular region fused to IgG fragment crystallizable region in HEK293T cells. ProS and Gas...

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

authors： Yanagihashi Y,Segawa K,Maeda R,Nabeshima YI,Nagata S

更新日期：2017-08-15 00:00:00

abstract：:The conversion of cells from a normal phenotype to full malignancy apparently requires multiple genetic events. Efforts to reconstruct multistep tumorigenesis in cell culture have shown that two types of oncogenes (typified by HRAS and MYC) can cooperate to elicit complete transformation. Transformation of embryonic r...

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

authors： Hjelle B,Liu E,Bishop JM

更新日期：1988-06-01 00:00:00

abstract：:We present an automated laser tracking and optogenetic manipulation system (ALTOMS) for studying social memory in fruit flies (Drosophila melanogaster). ALTOMS comprises an intelligent central control module for high-speed fly behavior analysis and feedback laser scanning (∼40 frames per second) for targeting two lase...

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

authors： Wu MC,Chu LA,Hsiao PY,Lin YY,Chi CC,Liu TH,Fu CC,Chiang AS

更新日期：2014-04-08 00:00:00

abstract：:The COVID-19 pandemic is a shocking reminder of how our world would look in the absence of vaccination. Fortunately, new technologies, the pace of understanding new and existing pathogens, and the increased knowledge of the immune system allow us today to develop vaccines at an unprecedented speed. Some of the vaccine...

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

authors： Rappuoli R,De Gregorio E,Del Giudice G,Phogat S,Pecetta S,Pizza M,Hanon E

更新日期：2021-01-19 00:00:00

abstract：:In the mammalian retina, extensive processing of spatiotemporal and chromatic information occurs. One key principle in signal transfer through the retina is parallel processing. Two of these parallel pathways are the ON- and OFF-channels transmitting light and dark signals. This dual system is created in the outer ple...

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

authors： Hack I,Peichl L,Brandstätter JH

更新日期：1999-11-23 00:00:00

abstract：:Because xenon NMR is highly sensitive to the local environment, laser-polarized xenon could be a unique probe of living tissues. Realization of clinical and medical science applications beyond lung airspace imaging requires methods of efficient delivery of laser-polarized xenon to tissues, because of the short spin-la...

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

authors： Goodson BM,Song Y,Taylor RE,Schepkin VD,Brennan KM,Chingas GC,Budinger TF,Navon G,Pines A

更新日期：1997-12-23 00:00:00

abstract：:Loss of ATP accompanying accumulation of dATP has recently been reported to occur in the erythrocytes and lymphoblasts of patients with T lymphocytic leukemia during treatment with deoxycoformycin, an inhibitor of adenosine deaminase (adenosine aminohydrolase, EC 3.5.4.4) that causes the accumulation of deoxyadenosine...

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

authors： Bagnara AS,Hershfield MS

更新日期：1982-04-01 00:00:00

abstract：:Activation of the RET (rearranged during transfection) receptor by glial cell-line-derived neurotrophic factor (GDNF) has been identified as an important differentiation and survival factor for dopaminergic neurons of the midbrain in preclinical experiments. These encouraging results have led to clinical trials of GDN...

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

authors： Kowsky S,Pöppelmeyer C,Kramer ER,Falkenburger BH,Kruse A,Klein R,Schulz JB

更新日期：2007-12-11 00:00:00

abstract：:Chemical labeling of proteins inside of living cells can enable studies of the location, movement, and function of proteins in vivo. Here we demonstrate an approach for chemical labeling of proteins that uses the high-affinity interaction between an FKBP12 mutant (F36V) and a synthetic, engineered ligand (SLF'). A flu...

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

authors： Marks KM,Braun PD,Nolan GP

更新日期：2004-07-06 00:00:00

abstract：:In higher eukaryotic cells, mitochondria are essential subcellular organelles for energy production, cell signaling, and the biosynthesis of biomolecules. The mitochondrial DNA (mtDNA) genome is indispensable for mitochondrial function because it encodes protein subunits of the electron transport chain and a full set ...

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

authors： Xu W,Boyd RM,Tree MO,Samkari F,Zhao L

更新日期：2019-09-03 00:00:00

abstract：:Memory CD4(+) T helper (Th) cells are central to long-term protection against pathogens, but they can also be pathogenic and drive chronic inflammatory disorders. How these pathogenic memory Th cells are maintained, particularly at sites of local inflammation, remains unclear. We found that ectopic lymphoid-like struc...

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

authors： Shinoda K,Hirahara K,Iinuma T,Ichikawa T,Suzuki AS,Sugaya K,Tumes DJ,Yamamoto H,Hara T,Tani-Ichi S,Ikuta K,Okamoto Y,Nakayama T

更新日期：2016-05-17 00:00:00

abstract：:Daytime sleepiness impairs cognitive ability, but recent evidence suggests it is also an important driver of human motivation and behavior. We aimed to investigate the relationship between sleepiness and a behavior strongly associated with better health: social activity. We additionally aimed to investigate whether a ...

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

authors： Holding BC,Sundelin T,Schiller H,Åkerstedt T,Kecklund G,Axelsson J

更新日期：2020-09-01 00:00:00

abstract：:Previously it was shown that yeast ADA2 protein is necessary for the full activity of some activation domains, such as VP16 and GCN4, in vivo and in vitro. These results suggest that ADA2 protein functions as a transcriptional coactivator or adaptor that bridges the interaction between certain acidic activation domain...

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

authors： Silverman N,Agapite J,Guarente L

更新日期：1994-11-22 00:00:00

abstract：:The role of copper/zinc-containing superoxide dismutase (cSOD; superoxide:superoxide oxidoreductase, EC 1.15.1.1) in metabolic defense against O2 toxicity in Drosophila is examined through the properties of a mutant strain carrying a cSOD-null mutation, cSODn108. Homozygotes are viable as larvae, which indicates that ...

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

authors： Phillips JP,Campbell SD,Michaud D,Charbonneau M,Hilliker AJ

更新日期：1989-04-01 00:00:00

abstract：:Despite the prevalence of transposable elements in the genomes of higher eukaryotes, what is virtually unknown is how they amplify to very high copy numbers without killing their host. Here, we report the discovery of rice strains where a miniature inverted-repeat transposable element (mPing) has amplified from approx...

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

authors： Naito K,Cho E,Yang G,Campbell MA,Yano K,Okumoto Y,Tanisaka T,Wessler SR

更新日期：2006-11-21 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：:The small heat-shock protein (sHSP) from Methanococcus jannaschii (Mj HSP16.5) forms a homomeric complex of 24 subunits and has an overall structure of a multiwindowed hollow sphere with an external diameter of approximately 120 A and an internal diameter of approximately 65 A with six square "windows" of approximatel...

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

authors： Kim R,Lai L,Lee HH,Cheong GW,Kim KK,Wu Z,Yokota H,Marqusee S,Kim SH

更新日期：2003-07-08 00:00:00

abstract：:CCAAT enhancer-binding protein-alpha (C/EBPalpha) functions as a pleiotropic transcriptional activator of adipocyte genes during adipogenesis. Nuclear factor C/EBP undifferentiated protein (CUP), an isoform of activator protein-2alpha (AP-2alpha), binds to repressive elements in the C/EBPalpha gene promoter, silencing...

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

authors： Jiang MS,Lane MD

更新日期：2000-11-07 00:00:00