Molecular Characterization of the Brittle-2 Gene Effect on Maize Endosperm ADPglucose Pyrophosphorylase Subunits.

abstract：:Climate models predict widespread increases in both drought intensity and duration in the next decades. Although water deficiency is a significant determinant of plant survival, limited understanding of plant responses to extreme drought impedes forecasts of both forest and crop productivity under increasing aridity. ...

journal_title：Plant physiology

authors： Guadagno CR,Ewers BE,Speckman HN,Aston TL,Huhn BJ,DeVore SB,Ladwig JT,Strawn RN,Weinig C

更新日期：2017-09-01 00:00:00

abstract：:Mathematical models were developed to test the likelihood that large cytosolic adenylate concentration gradients exist across the bacteria-infected cells of legume nodules. Previous studies hypothesized that this may be the case to account for the unusually low adenylate energy charge (AEC; 0.65) measured in the plant...

journal_title：Plant physiology

authors： Wei H,Atkins CA,Layzell DB

更新日期：2004-02-01 00:00:00

abstract：:The concentrations of indole-3-acetic acid (IAA), naphthaleneacetic acid (NAA) and 2,4-dichlorophenoxyacetic acid (2,4-D) were followed for 35 days in cell-free liquid medium containing 100, 50, or 0% Murashige-Skoog (MS) salt base. Although the concentrations of NAA or 2,4-D remained constant the level of IAA decreas...

journal_title：Plant physiology

authors： Dunlap JR,Kresovich S,McGee RE

更新日期：1986-07-01 00:00:00

abstract：:Nitrate reductase of the salt-tolerant alga Dunaliella parva could utilize NADPH as well as NADH as an electron donor. The two pyridine nucleotide-dependent activities could not be separated by either ion exchange chromatography on DEAE-cellulose or gel filtration on Sepharose 4B. The NADPH-dependent activity was not ...

journal_title：Plant physiology

authors： Heimer YM

更新日期：1976-07-01 00:00:00

abstract：:A ureidoglycolate-degrading activity was analyzed in different organs of chickpea (Cicer arietinum). Activity was detected in all the tissues analyzed, but highest levels of specific activity were found in pods, from which it has been purified and characterized. This is the first ureidoglycolate-degrading activity tha...

journal_title：Plant physiology

authors： Muñoz A,Piedras P,Aguilar M,Pineda M

更新日期：2001-02-01 00:00:00

abstract：:We examined the consistency of the native diploid Nicotiana attenuata (Na)'s herbivore-induced transcriptional changes in the two allotetraploid natives, Nicotiana clevelandii (Nc) and Nicotiana quadrivalvis (Nq), which are thought to be derived from hybridizations with an ancestral Na. An analysis of nuclear-encoded ...

journal_title：Plant physiology

authors： Qu N,Schittko U,Baldwin IT

更新日期：2004-05-01 00:00:00

abstract：:Grain size is one of the key determinants of grain yield. Although a number of genes that control grain size in rice (Oryza sativa) have been identified, the overall regulatory networks behind this process remain poorly understood. Here, we report the map-based cloning and functional characterization of the quantitati...

journal_title：Plant physiology

authors： Wang A,Hou Q,Si L,Huang X,Luo J,Lu D,Zhu J,Shangguan Y,Miao J,Xie Y,Wang Y,Zhao Q,Feng Q,Zhou C,Li Y,Fan D,Lu Y,Tian Q,Wang Z,Han B

更新日期：2019-08-01 00:00:00

abstract：:Callus cultures of peanut (Arachis hypogaea L. cv Valencia Tennessee Red) cotyledons grown on Linsmaier and Skoog medium containing normal levels of auxin and cytokinin do not synthesize either 4-methyl-eneglutamic acid or 4-methyleneglutamine, which nonprotein amino acids are normally found in significant amounts in ...

journal_title：Plant physiology

authors： Winter HC,Dekker EE

更新日期：1984-09-01 00:00:00

abstract：:Analysis of gene expression data generated by high-throughput microarray transcript profiling experiments has demonstrated that genes with an overall similar expression pattern are often enriched for similar functions. This guilt-by-association principle can be applied to define modular gene programs, identify cis-reg...

journal_title：Plant physiology

authors： Vandepoele K,Quimbaya M,Casneuf T,De Veylder L,Van de Peer Y

更新日期：2009-06-01 00:00:00

abstract：:Understanding the biochemistry of triacylglycerol (TAG) assembly is critical in tailoring seed oils to produce high-value products. Hydroxy-fatty acid (HFA) is one such valuable modified fatty acid, which can be produced at low levels in Arabidopsis (Arabidopsis thaliana) seed through transgenic expression of the cast...

journal_title：Plant physiology

authors： Lunn D,Wallis JG,Browse J

更新日期：2019-03-01 00:00:00

abstract：:Chromatographic, kinetic, and regulatory properties of glutamine synthetase in rice were investigated. By DEAE-Sephacel column chromatography, two forms (glutamine synthetase 1 and glutamine synthetase 2) were identified in leaves and one form (glutamine synthetase R) was identified in roots. Purification on hydroxyap...

journal_title：Plant physiology

authors： Hirel B,Gadal P

更新日期：1980-10-01 00:00:00

abstract：:Ethanol addition or the exposure of dark-grown resting Euglena to light produced a transient increase in the rate of fumarase synthesis as measured by pulse-labeling with [(35)S]sulfate and immunoprecipitation. The half-life of fumarase in the dark and in the light was similar. In the plastidless mutant W(3)BUL, fumar...

journal_title：Plant physiology

authors： Rikin A,Schwartzbach SD

更新日期：1989-05-01 00:00:00

abstract：:Genotypic variability in vulnerability of leaf xylem to water-stress-induced cavitation was determined in four sugarcane (Saccharum sp.) clones using detached leaf segments in a hydraulic conductivity apparatus. Vulnerability curves were constructed by plotting the percentage of maximum conductivity versus leaf water ...

journal_title：Plant physiology

authors： Neufeld HS,Grantz DA,Meinzer FC,Goldstein G,Crisosto GM,Crisosto C

更新日期：1992-10-01 00:00:00

abstract：:The activation of an anion channel in the plasma membrane of Arabidopsis thaliana hypocotyls by blue light (BL) is believed to be a signal-transducing event leading to growth inhibition. Here we report that the open probability of this particular anion channel depends on cytoplasmic Ca2+ ([Ca2+]cyt) within the concent...

journal_title：Plant physiology

authors： Lewis BD,Karlin-Neumann G,Davis RW,Spalding EP

更新日期：1997-08-01 00:00:00

abstract：:Rapidly dried Tortula ruralis, a drought-tolerant moss, is known to synthesize proteins on rehydration at a much lower rate than the slowly dried moss. The reasons for this low rate of protein synthesis are unclear. We have found that during rehydration of rapidly dried moss, there is a negative correlation between th...

journal_title：Plant physiology

authors： Dhindsa RS

更新日期：1987-12-01 00:00:00

abstract：:Circadian clocks drive rhythms with a period near 24 h, but the molecular basis of the regulation of the period of the circadian clockis poorly understood. We previously demonstrated that metabolites affect the free-running period of the circadian oscillator of Arabidopsis (Arabidopsis thaliana), with endogenous sugar...

journal_title：Plant physiology

authors： Hearn TJ,Marti Ruiz MC,Abdul-Awal SM,Wimalasekera R,Stanton CR,Haydon MJ,Theodoulou FL,Hannah MA,Webb AAR

更新日期：2018-09-01 00:00:00

abstract：:An enzyme activity, found for the first time in plants, mainly located in the 22,000g supernatant of the crude extract of sprout apices of Helianthus tuberosus L. cv OB1 tubers, is able in vitro to covalently bind polyamines to endogenous substrates of different molecular weights. The major assay parameters, such as p...

journal_title：Plant physiology

authors： Serafini-Fracassini D,Del Duca S,D'Orazi D

更新日期：1988-07-01 00:00:00

abstract：:Why the leaves of many woody species accumulate anthocyanins prior to being shed has long puzzled biologists because it is unclear what effects anthocyanins may have on leaf function. Here, we provide evidence for red-osier dogwood (Cornus stolonifera) that anthocyanins form a pigment layer in the palisade mesophyll l...

journal_title：Plant physiology

authors： Feild TS,Lee DW,Holbrook NM

更新日期：2001-10-01 00:00:00

abstract：:The presence of indole-3-butyric acid (IBA) as an endogenous auxin in Arabidopsis has been recently demonstrated. However, the in vivo role of IBA remains to be elucidated. We present the characterization of a semi-dominant mutant that is affected in its response to IBA, but shows a wild-type response to indole-3-acet...

journal_title：Plant physiology

authors： Poupart J,Waddell CS

更新日期：2000-12-01 00:00:00

abstract：:Homoserine dehydrogenase is associated with the multibranched pathway of amino acid biosynthesis originating with aspartic acid. Like most of the related pathway enzymes, this enzyme is localized in chloroplasts. The activity and regulatory properties of the threonine-sensitive isozyme of homoserine dehydrogenase isol...

journal_title：Plant physiology

authors： Bryan JK

更新日期：1990-03-01 00:00:00

abstract：:Plant reproduction depends on the concerted activation of many genes to ensure correct communication between pollen and pistil. Here, we queried the whole transcriptome of Arabidopsis (Arabidopsis thaliana) in order to identify genes with specific reproductive functions. We used the Affymetrix ATH1 whole genome array ...

journal_title：Plant physiology

authors： Boavida LC,Borges F,Becker JD,Feijó JA

更新日期：2011-04-01 00:00:00

abstract：:The genetic advantages to the use of Arabidopsis thaliana mutants for the study of auxin metabolism previously have been partially offset by the complexity of indolic metabolism in this plant and by the lack of proper methods. To address some of these problems, we developed isotopic labeling methods to determine amoun...

journal_title：Plant physiology

authors： Llić N,Normanly J,Cohen JD

更新日期：1996-07-01 00:00:00

abstract：:The eukaryotic genome is duplicated exactly once per cell division cycle. A strategy that limits every replication origin to a single initiation event is tightly regulated by a multiprotein complex, which involves at least 20 protein factors. A key player in this regulation is the evolutionary conserved hexameric MCM2...

journal_title：Plant physiology

authors： Dresselhaus T,Srilunchang KO,Leljak-Levanic D,Schreiber DN,Garg P

更新日期：2006-02-01 00:00:00

abstract：:ATP sulfurylase and 5'-adenylylsulfate (APS) reductase catalyze two reactions in the sulfate assimilation pathway. Cell fractionation of Arabidopsis leaves revealed that ATP sulfurylase isoenzymes exist in the chloroplast and the cytosol, whereas APS reductase is localized exclusively in chloroplasts. During developme...

journal_title：Plant physiology

authors： Rotte C,Leustek T

更新日期：2000-10-01 00:00:00

abstract：:Anthocyanins are responsible for the color of many flowers, fruits, and vegetables. An interesting and unique Purple (Pr) gene mutation in cauliflower (Brassica oleracea var botrytis) confers an abnormal pattern of anthocyanin accumulation, giving the striking mutant phenotype of intense purple color in curds and a fe...

journal_title：Plant physiology

authors： Chiu LW,Zhou X,Burke S,Wu X,Prior RL,Li L

更新日期：2010-11-01 00:00:00

abstract：:Two hydroxamic acids isolated from maize extracts, 2,4-dihydroxy-7-methoxy-1,4-(2H)-benzoxazin-3(4H)-one (DIMBOA) and the 2-O-beta-d-glucopyranoside of DIMBOA, inhibit photophosphorylation by spinach chloroplasts. Both cyclic and noncyclic photophosphorylations were inhibited to the same extent. The concentrations pro...

journal_title：Plant physiology

authors： Queirolo CB,Andreo CS,Vallejos RH,Niemeyer HM,Corcuera LJ

更新日期：1981-10-01 00:00:00

abstract：:Biosynthesis of the polyamines putrescine, spermidine, and spermine is induced in response to pathogen infection of plants. Putrescine, which is produced from Arg, serves as a metabolic precursor for longer polyamines, including spermidine and spermine. Polyamine acetylation, which has important regulatory functions i...

journal_title：Plant physiology

authors： Lou YR,Bor M,Yan J,Preuss AS,Jander G

更新日期：2016-06-01 00:00:00

abstract：:Soybean (Glycine max) lipoxygenase (LOX) has been proposed to be involved in reserve lipid mobilization during germination. Here, subcellular fractionation studies show that LOX1, -2, -3, -4, -5, and -6 isozymes were associated with the soluble fraction but not with purified oil bodies. The purified oil bodies contain...

journal_title：Plant physiology

authors： Wang C,Croft KP,Jarlfors U,Hildebrand DF

更新日期：1999-05-01 00:00:00

abstract：:Parsley (Petroselinum crispum) cell cultures respond rapidly to treatment with fungal elicitor by the accumulation of coumarin phytoalexins in the culture fluid and by incorporation of ferulic esters into their cell walls. S-Adenosyl-l-methionine:trans-caffeoyl-CoA 3-O-methyltransferase activity, specifically involved...

journal_title：Plant physiology

authors： Pakusch AE,Matern U,Schiltz E

更新日期：1991-01-01 00:00:00

abstract：:In this study, we generated transgenic Arabidopsis (Arabidopsis thaliana) plants overexpressing the Rieske FeS protein (PetC), a component of the cytochrome b6f (cyt b6f) complex. Increasing the levels of this protein resulted in concomitant increases in the levels of cyt f (PetA) and cyt b6 (PetB), core proteins of t...

journal_title：Plant physiology

authors： Simkin AJ,McAusland L,Lawson T,Raines CA

更新日期：2017-09-01 00:00:00