Promotive effects of organic solvents and kinetin on dark germination of lettuce seeds.

abstract：:As part of a more detailed study on plant tumorigenesis, the action of gibberellic acid (GA(3)) in wounded potato tuber tissues as a model system has been evaluated. GA(3) stimulates total RNA synthesis in wounded tissues, the optimal concentration being 0.1 micromolar. The responsiveness of the tissue toward the horm...

journal_title：Plant physiology

authors： Wielgat B

更新日期：1979-11-01 00:00:00

abstract：:Reduction of Cu2+ by plasma membrane vesicles isolated from tomato (Lycopersicon esculentum Mill.) roots was investigated. Plants were grown in hydroponic culture with complete nutrition for 4 weeks or were deprived of Fe for the last 7 d. Plasma membrane vesicles were prepared by aqueous two-phase partitioning. Reduc...

journal_title：Plant physiology

authors： Holden MJ,Crimmins TJ Jr,Chaney RL

更新日期：1995-07-01 00:00:00

abstract：:The soluble bean leaf auxin-binding protein (ABP) has a high affinity for a range of auxins including indole-3-acetic acid (IAA), alpha-napthaleneacetic acid, phenylacetic acid, 2,4,5-trichlorophenoxyacetic acid, and structurally related auxins. A large number of nonauxin compounds that are nevertheless structurally r...

journal_title：Plant physiology

authors： Wardrop AJ,Polya GM

更新日期：1980-07-01 00:00:00

abstract：:Most eukaryotic cells require peroxisomes, organelles housing fatty acid β-oxidation and other critical metabolic reactions. Peroxisomal matrix proteins carry peroxisome-targeting signals that are recognized by one of two receptors, PEX5 or PEX7, in the cytosol. After delivering the matrix proteins to the organelle, t...

journal_title：Plant physiology

authors： Kao YT,Fleming WA,Ventura MJ,Bartel B

更新日期：2016-11-01 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 effects of plant hormones and sucrose (Suc) on potato (Solanum tuberosum L.) tuberization were studied using in vitro cultured single-node cuttings. Tuber-inducing (high Suc) and -noninducing (low Suc or high Suc plus gibberellin [GA]) media were tested. Tuberization frequencies, tuber widths, and stolon lengths w...

journal_title：Plant physiology

authors： Xu X,van Lammeren AA,Vermeer E,Vreugdenhil D

更新日期：1998-06-01 00:00:00

abstract：:p40s are acidic proteins of eukaryotic cells occurring either free in the cytoplasm or in association with ribosomes, the latter occurring in both monosomes and polysomes. p40s may play a role in the regulation of protein synthesis, although the exact mechanism is not known. Leaves of all 10 plant species examined her...

journal_title：Plant physiology

authors： Garcia-Hernandez M,Davies E,Baskin TI,Staswick PE

更新日期：1996-06-01 00:00:00

abstract：:We examined the response of primary roots of maize (Zea mays L. cv Merit) to unilateral application of calcium with particular attention to the site of application, the dependence on growth rate, and possible contributions of thigmotropic stimulation during application. Unilateral application of agar to the root cap ...

journal_title：Plant physiology

authors： Ishikawa H,Evans ML

更新日期：1992-01-01 00:00:00

abstract：:Plants are able to integrate exogenous 1-deoxy-D-xylulose (DX) into the 2C-methyl-D-erythritol 4-phosphate pathway, implicated in the biosynthesis of plastidial isoprenoids. Thus, the carbohydrate needs to be phosphorylated into 1-deoxy-D-xylulose 5-phosphate and translocated into plastids, or vice versa. An enzyme ca...

journal_title：Plant physiology

authors： Hemmerlin A,Tritsch D,Hartmann M,Pacaud K,Hoeffler JF,van Dorsselaer A,Rohmer M,Bach TJ

更新日期：2006-10-01 00:00:00

abstract：:Mannitol-1-phosphate (M1P) dehydrogenase (M1PDH; EC 1.1.1.17), an enzyme catalyzing the reduction of Fru-6-phosphate (F6P) to M1P in algal mannitol biosynthesis, was purified to homogeneity from a cell homogenate of the eulittoral red alga Caloglossa continua (Okamura) King et Puttock. The enzyme was a monomer with an...

journal_title：Plant physiology

authors： Iwamoto K,Kawanobe H,Ikawa T,Shiraiwa Y

更新日期：2003-10-01 00:00:00

abstract：:4-Hydroxyphenylpyruvate dioxygenase (EC 1.13.11.27) was partially purified from barnyardgrass (Echinochloa crus-galli L.) leaves and assayed by high-performance liquid chromatography analysis of product formation or by the capture of released 14CO2. The bleaching herbicide sulcotrione [2-(2-chloro-4-methanesulfonylben...

journal_title：Plant physiology

authors： Secor J

更新日期：1994-12-01 00:00:00

abstract：:The slow inactivation which accompanies catalysis by higher-plant ribulose-P(2) carboxylase-oxygenase (Rubisco) in vitro was only partially reversed when the enzyme was gel filtered to remove small molecules. However, gel filtration or dialysis in the presence of high SO(2-) (4) concentrations induced full recovery. T...

journal_title：Plant physiology

authors： Edmondson DL,Badger MR,Andrews TJ

更新日期：1990-08-01 00:00:00

abstract：:The activity of 1,3-beta-d-glucan synthase assayed in the presence of digitonin in a microsomal preparation from suspension-cultured cells of Glycine max can be fully inhibited by unsaturated fatty acids, trienoic acids being most effective. Lysophosphatidylcholine, platelet-activating factor, acylcarnitine, and Echin...

journal_title：Plant physiology

authors： Kauss H,Jeblick W

更新日期：1986-01-01 00:00:00

abstract：:The Type II mutants of the cyanobacterium Synechococcus PCC7942 (G.D. Price, M.R. Badger [1989] Plant Physiol 91: 514-525) are able to accumulate a large pool of inorganic carbon inside the cell, but are unable to utilize it for CO(2) fixation, resulting in a high CO(2)-requiring phenotype. We have isolated a 3.5-kb B...

journal_title：Plant physiology

authors： Yu JW,Price GD,Song L,Badger MR

更新日期：1992-10-01 00:00:00

abstract：:Two photoperiodic cotton (Gossypium hirsutum L.) strains (T185 and T466) which had been empirically selected because of poor performance and two strains (T25 and T256) selected because of enhanced performance under field water stress were evaluated for stress-induced changes in their organic acids and carbohydrates. P...

journal_title：Plant physiology

authors： Timpa JD,Burke JJ,Quisenberry JE,Wendt CW

更新日期：1986-11-01 00:00:00

abstract：:The incorporation of adenosine-8-(14)C into adenosine cyclic 3':5'-monophosphate in coleoptile-first leaf segments of Avena sativa L. was investigated. Homogenates of segments incubated in adenosine-8-(14)C for either 4 or 10 hours were partially purified by thin layer chromatography followed by paper electrophoresis....

journal_title：Plant physiology

authors： Ownby JD,Ross CW

更新日期：1975-02-01 00:00:00

abstract：:In all eukaryotes, cell cycle progression is controlled by cyclin-dependent kinases (CDKs) whose activity is regulated at several levels including inhibition by CDK inhibitors. Here, we report a comparative molecular and functional analysis of the tobacco (Nicotiana tomentosiformis) CDK inhibitor, NtKIS1a, and its spl...

journal_title：Plant physiology

authors： Jasinski S,Perennes C,Bergounioux C,Glab N

更新日期：2002-12-01 00:00:00

abstract：:The initial rate of Ca2+ movement across the inner-envelope membrane of pea (Pisum sativum L.) chloroplasts was directly measured by stopped-flow spectrofluorometry using membrane vesicles loaded with the Ca2+-sensitive fluorophore fura-2. Calibration of fura-2 fluorescence was achieved by combining a ratiometric meth...

journal_title：Plant physiology

authors： Roh MH,Shingles R,Cleveland MJ,McCarty RE

更新日期：1998-12-01 00:00:00

abstract：:The Golgi apparatus consists of stacked cisternae filled with enzymes that facilitate the sequential and highly controlled modification of glycans from proteins that transit through the organelle. Although the glycan processing pathways have been extensively studied, the underlying mechanisms that concentrate Golgi-re...

journal_title：Plant physiology

authors： Schoberer J,Liebminger E,Vavra U,Veit C,Grünwald-Gruber C,Altmann F,Botchway SW,Strasser R

更新日期：2019-06-01 00:00:00

abstract：:The mechanisms of arsenic (As) hyperaccumulation in Pteris vittata, the first identified As hyperaccumulator, are unknown. We investigated the interactions of arsenate and phosphate on the uptake and distribution of As and phosphorus (P), and As speciation in P. vittata. In an 18-d hydroponic experiment with varying c...

journal_title：Plant physiology

authors： Wang J,Zhao FJ,Meharg AA,Raab A,Feldmann J,McGrath SP

更新日期：2002-11-01 00:00:00

abstract：:The fifth increased branching ramosus (rms) mutant, rms5, from pea (Pisum sativum), is described here for phenotype and grafting responses with four other rms mutants. Xylem sap zeatin riboside concentration and shoot auxin levels in rms5 plants have also been compared with rms1 and wild type (WT). Rms1 and Rms5 appea...

journal_title：Plant physiology

authors： Morris SE,Turnbull CG,Murfet IC,Beveridge CA

更新日期：2001-07-01 00:00:00

abstract：:The linear response of photosynthesis to light at low photon flux densities is known to change abruptly in the vicinity of the light compensation point so that the quantum yield seems to decrease as radiation increases. We studied this ;Kok effect' in attached sunflower (Helianthus annuus L. cv IS894) leaves using gas...

journal_title：Plant physiology

authors： Sharp RE,Matthews MA,Boyer JS

更新日期：1984-05-01 00:00:00

abstract：:Protein phosphorylation, catalyzed by the opposing actions of protein kinases and phosphatases, is a cornerstone of cellular signaling and regulation. Since their discovery, protein phosphatases have emerged as highly regulated enzymes with specificity that rivals their counteracting kinase partners. However, despite ...

journal_title：Plant physiology

authors： Uhrig RG,Moorhead GB

更新日期：2011-12-01 00:00:00

abstract：:Leaf tissues from Xerosicyos danguyi H. Humb., a succulent member of the Cucurbitaceae, were found to possess both galactinol synthase activity and the capacity for photosynthetic production of stachyose, the phloem transport oligosaccharide common to other nonsucculent cucurbits. The amounts of stachyose isolated fro...

journal_title：Plant physiology

authors： Madore MA,Mitchell DE,Boyd CM

更新日期：1988-07-01 00:00:00

abstract：:Germination potential in nondormant, upper cocklebur (Xanthium pensylvanicum Wallr.) seeds, which were incapable of germinating under constant temperatures below 25 C in air, was increased by exposure to diurnally alternating temperatures. The cocklebur seeds failed to respond to the temperature fluctuations in the be...

journal_title：Plant physiology

authors： Esashi Y,Tsukada Y

更新日期：1978-03-01 00:00:00

abstract：:"Active Fe" in plants has generally been interpreted to be ferrous iron. This study evaluated some of the commonly followed active Fe determination procedures based on Fe(II) measurements. In each of 12 species examined, leaf extracts exhibited strong reducing activity and quickly reduced any added Fe(III) with or wit...

journal_title：Plant physiology

authors： Mehrotra SC,Gupta P

更新日期：1990-07-01 00:00:00

abstract：:Calmodulin antagonists, trifluoperazine, chlorpromazine, calmidazolium, N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7), strongly inhibited the electrofusion of barley (Hordeum vulgare L. cv Moor) protoplasts with a marked increase of broken fusion products, after 60 minutes of incubation. W-5, a dechlorinate...

journal_title：Plant physiology

authors： Abe S,Takeda J

更新日期：1986-08-01 00:00:00

abstract：:Using (14)CO(2) gas exchange and metabolite analyses, stomatal as well as total internal CO(2) uptake and evolution were estimated. Pulse modulated fluorescence was measured during induction and steady state of photosynthesis. Leaf water potential of Digitalis lanata EHRH. plants decreased to -2.5 megapascals after wi...

journal_title：Plant physiology

authors： Stuhlfauth T,Scheuermann R,Fock HP

更新日期：1990-04-01 00:00:00

abstract：:The polyunsaturated fatty acid content is one of the major factors influencing the quality of vegetable oils. Edible oils rich in monounsaturated fatty acid provide improved oil stability, flavor, and nutrition for human and animal consumption. In plants, the microsomal omega-6 desaturase-catalyzed pathway is the prim...

journal_title：Plant physiology

authors： Heppard EP,Kinney AJ,Stecca KL,Miao GH

更新日期：1996-01-01 00:00:00

abstract：:The location and changes in NAD(P)H have been monitored during oscillatory growth in pollen tubes of lily (Lilium formosanum) using the endogenous fluorescence of the reduced coenzyme (excitation, 360 nm; emission, >400 nm). The strongest signal resides 20 to 40 microm behind the apex where mitochondria (stained with ...

journal_title：Plant physiology

authors： Cárdenas L,McKenna ST,Kunkel JG,Hepler PK

更新日期：2006-12-01 00:00:00