Properties of a Chloroplast Enzyme that Cleaves the Chlorophyll a/b Binding Protein Precursor : Optimization of an Organelle-Free Reaction.

abstract：:Influx of alkali cations (Li(+), Na(+), K(+), Rb(+), Cs(+)) across plasma membranes of cells of excised roots of Avena sativa cv. Goodfield was selective, but different, in the absence and in the presence of 1 mm CaSO(4). Ca(2+) reduced the influx rates of all of the alkali cations-especially Na(+) and Li(+). Transpor...

journal_title：Plant physiology

authors： Sze H,Hodges TK

更新日期：1977-04-01 00:00:00

abstract：:Plant cells rely on plasmodesmata for intercellular transport of small signaling molecules as well as larger informational macromolecules such as proteins. A green fluorescent protein (GFP) reporter and low-pressure microprojectile bombardment were used to quantify the degree of symplastic continuity between cells of ...

journal_title：Plant physiology

authors： Crawford KM,Zambryski PC

更新日期：2001-04-01 00:00:00

abstract：:Phosphorus (P) is a finite natural resource and an essential plant macronutrient with major impact on crop productivity and global food security. Here, we demonstrate that time-resolved chlorophyll a fluorescence is a unique tool to monitor bioactive P in plants and can be used to detect latent P deficiency. When plan...

journal_title：Plant physiology

authors： Frydenvang J,van Maarschalkerweerd M,Carstensen A,Mundus S,Schmidt SB,Pedas PR,Laursen KH,Schjoerring JK,Husted S

更新日期：2015-09-01 00:00:00

abstract：:The permeability of the Chlorella pyrenoidosa membrane was studied by following the efflux of (14)C-intracellular material from cells which had been allowed to incorporate (14)CO(2) photosynthetically. It was observed that the efflux increased upon treatment with low concentrations (3-30 muM) of 2, 3-dichloro-1, 4-nap...

journal_title：Plant physiology

authors： Sikka HC,Saxena J,Zweig G

更新日期：1973-02-01 00:00:00

abstract：:Volemitol (D-glycero-D-manno-heptitol, alpha-sedoheptitol) is an unusual seven-carbon sugar alcohol that fulfills several important physiological functions in certain species of the genus Primula. Using the horticultural hybrid polyanthus (Primula x polyantha) as our model plant, we found that volemitol is the major n...

journal_title：Plant physiology

authors： Hafliger B,Kindhauser E,Keller F

更新日期：1999-01-01 00:00:00

abstract：:Syntheses are described for tetra and pentadeutero indole-3-acetic acid (IAA) labeled in positions 4, 5, 6, 7 or 2, 4, 5, 6, 7 of the indole moiety. Polydeuterated IAA is proposed as an internal standard for gas chromatographic-mass spectrometric analysis of IAA by selected ion monitoring. Nanogram amounts of IAA may ...

journal_title：Plant physiology

authors： Magnus V,Bandurski RS,Schulze A

更新日期：1980-10-01 00:00:00

abstract：:We have purified to near homogeneity a recombinant form of the protein BN28 (rBN28), expressed in response to low temperature in Brassica napus plants, and we have determined its solution structure. Antibodies raised against rBN28 were used to characterize the recombinant and native proteins. Similar to many other low...

journal_title：Plant physiology

authors： Boothe JG,Sönnichsen FD,de Beus MD,Johnson-Flanagan AM

更新日期：1997-02-01 00:00:00

abstract：:Maize (Zea mays L.) kernel pedicels, including vascular tissues, pedicel parenchyma, placento-chalazal tissue, and the surrounding pericarp, contained two forms of glutamine synthetase (EC 6.3.1.2), separable by anion exchange chromatography under mildly acidic conditions. The earlier-eluting activity (GS(p1)), but no...

journal_title：Plant physiology

authors： Muhitch MJ

更新日期：1989-11-01 00:00:00

abstract：:ADP-glucose pyrophosphorylase was partially purified from Chlorella vulgaris 11h. 3-Phosphoglycerate activated the enzyme by lowering the Michaelis constant for glucose-1-phosphate (from 0.97 to 0.36 millimolar in the presence of 2 millimolar phosphoglycerate) and ATP (from 0.23 to 0.10 millimolar), as well as increas...

journal_title：Plant physiology

authors： Nakamura Y,Imamura M

更新日期：1985-07-01 00:00:00

abstract：:A water-soluble chlorophyll protein (WSCP) in cauliflower (Brassica oleracea L.) was purified and its N-terminal sequence was determined. Forty-six of 48 residues of the sequence completely matched those of the drought-induced 22-kD protein (BnD22) in rapeseed (Brassica napus L.). All 40 sequenced residues of WSCP fro...

journal_title：Plant physiology

authors： Nishio N,Satoh H

更新日期：1997-10-01 00:00:00

abstract：:ATP, which is present in the extracellular matrix of multicellular organisms and in the extracellular fluid of unicellular organisms, has been shown to function as a signaling molecule in animals. The concentration of extracellular ATP (xATP) is known to be functionally modulated in part by ectoapyrases, membrane-asso...

journal_title：Plant physiology

authors： Thomas C,Sun Y,Naus K,Lloyd A,Roux S

更新日期：1999-02-01 00:00:00

abstract：:Changes in the levels of the four subunits of the mitochondrial enzyme glycine decarboxylase (EC 2.1.2.10) have been investigated during development in the 8 day old primary leaf of wheat (Triticum aestivum L.). Proteins were extracted from wheat leaf sections between the basal meristem and 8.5 centimeters. The indivi...

journal_title：Plant physiology

authors： Rogers WJ,Jordan BR,Rawsthorne S,Tobin AK

更新日期：1991-07-01 00:00:00

abstract：:Calcium/calmodulin-dependent protein kinase (CCaMK) has been shown to play an important role in abscisic acid (ABA)-induced antioxidant defense and enhance the tolerance of plants to drought stress. However, its downstream molecular events are poorly understood. Here, we identify a NAC transcription factor, ZmNAC84, i...

journal_title：Plant physiology

authors： Zhu Y,Yan J,Liu W,Liu L,Sheng Y,Sun Y,Li Y,Scheller HV,Jiang M,Hou X,Ni L,Zhang A

更新日期：2016-07-01 00:00:00

abstract：:Influx and accumulation of K(+) in barley (Hordeum vulgare L. cv Fergus) roots were measured at two temperatures (10 degrees C and 20 degrees C) in plants which had been grown with roots and shoots at 20 degrees C (HT plants), with roots and shoots at 10 degrees C (LT plants), and with roots at 10 degrees C and shoots...

journal_title：Plant physiology

authors： Siddiqi MY,Memon AR,Glass AD

更新日期：1984-03-01 00:00:00

abstract：:The effect of varying sequences of red and far red light on sterol biosynthesis in etiolated seedlings of Digitalis purpurea L. was examined. Red light caused a marked increase in the amounts of free and glycosidic sterols and a small decrease in esterified sterols during the first 4 hours after illumination. Far red ...

journal_title：Plant physiology

authors： Jacobsohn MK

更新日期：1978-12-01 00:00:00

abstract：:Low-molecular mass (10 kD) cytosolic acyl-coenzyme A-binding protein (ACBP) has a substantial influence over fatty acid (FA) composition in oilseeds, possibly via an effect on the partitioning of acyl groups between elongation and desaturation pathways. Previously, we demonstrated that the expression of a Brassica nap...

journal_title：Plant physiology

authors： Yurchenko O,Singer SD,Nykiforuk CL,Gidda S,Mullen RT,Moloney MM,Weselake RJ

更新日期：2014-06-01 00:00:00

abstract：:The intracellular distribution of the neurotoxin 2,4-diaminobutyric acid (DABA) in mature leaves of the perennial legume Lathyrus sylvestris L. var ;Lathco' (flatpea) was determined using subcellular fractions from mesophyll protoplasts. Chloroplasts contained about 15% of the cellular DABA. At least 75% of the DABA w...

journal_title：Plant physiology

authors： Foster JG,Cress WD,Wright SF,Hess JL

更新日期：1987-04-01 00:00:00

abstract：:Thermostability of the photosynthetic apparatus of abscisic acid (ABA)-treated seedlings of barley (Hordeum vulgare) was studied by light-scattering and by fluorescence measurements of isolated chloroplasts. ABA treatment markedly decreased heat damage of the chloroplast ultrastructure; an exogenous ABA concentration ...

journal_title：Plant physiology

authors： Ivanov AG,Kitcheva MI,Christov AM,Popova LP

更新日期：1992-04-01 00:00:00

abstract：:The cytokinin activity has been isolated and identified from extracts of immature mango (Mangifera indica L.) seeds. The structures of zeatin, zeatin riboside, and N(6)-(Delta(2)-isopentenyl)adenine riboside were confirmed on the basis of their chromatographic behavior and mass spectra of trimethylsilyl derivatives. B...

journal_title：Plant physiology

authors： Chen WS

更新日期：1983-02-01 00:00:00

abstract：:AtATM3, an ATP-binding cassette transporter of Arabidopsis (Arabidopsis thaliana), is a mitochondrial protein involved in the biogenesis of iron-sulfur clusters and iron homeostasis in plants. Our gene expression analysis showed that AtATM3 is up-regulated in roots of plants treated with cadmium [Cd(II)] or lead (II);...

journal_title：Plant physiology

authors： Kim DY,Bovet L,Kushnir S,Noh EW,Martinoia E,Lee Y

更新日期：2006-03-01 00:00:00

abstract：:In ripening banana (Musa acuminata L. [AAA group, Cavandish subgroup] cv. Valery) fruit, the steady state concentration of the glycolytic regulator fructose 2,6-bisphosphate (Fru 2,6-P(2)) underwent a transient increase 2 to 3 hours before the respiratory rise, but coincident with the increase in ethylene synthesis. F...

journal_title：Plant physiology

authors： Beaudry RM,Paz N,Black CC,Kays SJ

更新日期：1987-09-01 00:00:00

abstract：:A new conjugate, 1-(gamma-L-glutamylamino)cyclopropane-1-carboxylic acid (GACC), of the ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) is identified. The only previously identified conjugate of ACC is 1-(malonylamino)cyclopropane-1-carboxylic acid (MACC). GACC, not MACC, was the major conjugate formed ...

journal_title：Plant physiology

authors： Martin MN,Cohen JD,Saftner RA

更新日期：1995-11-01 00:00:00

abstract：:The plant-specific Rop subfamily of Rho GTPases, most closely related to the mammalian Cdc42 and Rac GTPases, plays an important role in the regulation of calcium-dependent pollen tube growth, H(2)O(2)-mediated cell death, and many other processes in plants. In a search for Rop interactors using the two-hybrid method,...

journal_title：Plant physiology

authors： Wu G,Li H,Yang Z

更新日期：2000-12-01 00:00:00

abstract：:Cell clones were isolated from a population of cultured tomato (Lycopersicon esculentum Mill cv VFNT-cherry) cells and their tolerance to polyethylene glycol (PEG)-induced water stress was measured. Considerable variation for tolerance among the clones was found. Tolerance differences between clones appeared to be spo...

journal_title：Plant physiology

authors： Handa AK,Bressan RA,Handa S,Hasegawa PM

更新日期：1983-07-01 00:00:00

abstract：:Although the Mutator (Mu) system is well characterized in maize (Zea mays), very little is known about this highly mutagenic system of transposons in other grasses. Mutator is regulated by the MuDR class of elements, which encodes two genes, one of which, mudrA, has similarity to a number of bacterial transposases. Ex...

journal_title：Plant physiology

authors： Lisch DR,Freeling M,Langham RJ,Choy MY

更新日期：2001-03-01 00:00:00

abstract：:The activities of several enzymes of the citric acid and poly-beta-hydroxybutyrate cycles were measured in Rhizobium japonicum 3I1B-143 bacteroids which had been isolated from soybean nodules by sucrose gradient centrifugation. During the period of developing nitrogenase activity, the specific activity of fumarase, hy...

journal_title：Plant physiology

authors： Karr DB,Waters JK,Suzuki F,Emerich DW

更新日期：1984-08-01 00:00:00

abstract：:Gravitropic asymmetry of auxin was observed in hypocotyls of tomato (Lycopersicon esculentum Mill.) soon after horizontal placement: the ratio of apically supplied [3H]IAA collected from the lower sides to that from the upper sides was about 1.4 between 5 and 10 minutes. This was adequately early to account for the ...

journal_title：Plant physiology

authors： Harrison MA,Pickard BG

更新日期：1989-01-01 00:00:00

abstract：:The PDF1.2 gene of Arabidopsis encoding a plant defensin is commonly used as a marker for characterization of the jasmonate-dependent defense responses. Here, using PDF1.2 promoter-deletion lines linked to the beta-glucoronidase-reporter gene, we examined putative promoter elements associated with jasmonate-responsive...

journal_title：Plant physiology

authors： Brown RL,Kazan K,McGrath KC,Maclean DJ,Manners JM

更新日期：2003-06-01 00:00:00

abstract：:Different approaches were utilized to investigate the mechanism by which fusicoccin (FC) induces the activation of the H(+)-ATPase in plasma membrane (PM) isolated from radish (Raphanus sativus L.) seedlings treated in vivo with (FC-PM) or without (C-PM) FC. Treatment of FC-PM with different detergents indicated that ...

journal_title：Plant physiology

authors： Olivari C,Meanti C,De Michelis MI,Rasi-Caldogno F

更新日期：1998-02-01 00:00:00

abstract：:At maturity, the fruit of two early maturing orange cultivars, Hamlin and Pineapple (Citrus sinensis [L.] Osbeck), contained more ethylene and abscisic acid than the late maturing Valencia and Lamb Summer (C. sinensis [L.] Osbeck) cultivars. Ethylene (up to 95 nl/l in internal atmosphere) and abscisic (50 mug/kg dry w...

journal_title：Plant physiology

authors： Rasmussen GK

更新日期：1975-12-01 00:00:00