Regulation of tonoplast k channels by voltage in the range of physiological electric potentials.

abstract：:This study demonstrates germination-induced ultrastructural changes in wheat (Triticum aestivum L. cv Arthur) aleurone cells. Seeds imbided for 4 hours in water contained endoplasmic reticulum (ER) or ER-like membranes as vesicles or as short segments of membrane associated with the spherosomes on the periphery of ale...

journal_title：Plant physiology

authors： Buckhout TJ,Gripshover BM,Morré DJ

更新日期：1981-12-01 00:00:00

abstract：:All higher plants contain an ent-kaurene oxidase (KO), as such a cytochrome P450 (CYP) 701 family member is required for gibberellin (GA) phytohormone biosynthesis. While gene expansion and functional diversification of GA-biosynthesis-derived diterpene synthases into more specialized metabolism has been demonstrated,...

journal_title：Plant physiology

authors： Wang Q,Hillwig ML,Wu Y,Peters RJ

更新日期：2012-03-01 00:00:00

abstract：:Introduction of the pea (Pisum sativum L.) lectin (PSL) gene into white clover (Trifolium repens L.) hairy roots facilitates nodulation by the nitrogen-fixing bacterium Rhizobium leguminosarum biovar viciae, which normally nodulates pea and not white clover (C.L. Diaz, L.S. Melchers, P.J.J. Hooykaas, B.J.J. Lugtenberg...

journal_title：Plant physiology

authors： Diaz CL,Logman T,Stam HC,Kijne JW

更新日期：1995-12-01 00:00:00

abstract：:Four types of phospholipase D (PLD), PLD alpha, beta, gamma, and delta, have been characterized in Arabidopsis, and they display different requirements for Ca(2+), phosphatidylinositol 4,5-bisphosphate (PIP(2)), substrate vesicle composition, and/or free fatty acids. However, all previously cloned plant PLDs contain a...

journal_title：Plant physiology

authors： Qin C,Wang X

更新日期：2002-03-01 00:00:00

abstract：:Purified glutamine synthetase from pea seedlings was most active with Mg(2+) as the metal activator, but Mn(2+) and Co(2+) were 45 to 60% and 30 to 45% as effective, respectively, when assayed at the optimal pH for each cation. The Mg(2+) saturation curve was quite sigmoid, and evidence indicates that MgATP is the act...

journal_title：Plant physiology

authors： O'neal D,Joy KW

更新日期：1974-11-01 00:00:00

abstract：:Osmotic adjustment occurred during drought in expanded leaves of sunflowers (Helianthus annuus var Hysun 30) which had been continuously exposed to 660 microliters CO(2) per liter or had been previously acclimated to drought. The effect was greatest when the treatments were combined and was negligible in nonacclimated...

journal_title：Plant physiology

authors： Conroy JP,Virgona JM,Smillie RM,Barlow EW

更新日期：1988-04-01 00:00:00

abstract：:The metabolism of arginine by etiolated pumpkin (Cucurbita moschata) seedlings was studied over various time and age intervals by injecting arginine-U-(14)C into the cotyledons. At most, 25% of the (14)C was transported from the cotyledon to the axis tissue and the amount of this transport decreased with increasing ag...

journal_title：Plant physiology

authors： Splittstoesser WE

更新日期：1969-03-01 00:00:00

abstract：:Gliadins and glutenins, the major storage proteins of wheat endosperm (Triticum durum, Desf. cv Monroe), were reduced in vitro by the NADP/thioredoxin system (NADPH, NADP-thioredoxin reductase and thioredoxin; in plants, the h type) from either the same source or the bacterium Escherichia coli. A more limited reducti...

journal_title：Plant physiology

authors： Kobrehel K,Wong JH,Balogh A,Kiss F,Yee BC,Buchanan BB

更新日期：1992-07-01 00:00:00

abstract：:Hydroxamic acids, R-CONHOH, are inhibitors specific to the respiratory pathway through the alternate, cyanide-insensitive terminal oxidase of plant mitochondria. The nature of the R group in these compounds affects the concentration at which the hydroxamic acids are effective, but it appears that all hydroxamic acids ...

journal_title：Plant physiology

authors： Schonbaum GR,Bonner WD Jr,Storey BT,Bahr JT

更新日期：1971-01-01 00:00:00

abstract：:Extracellular calmodulin (ExtCaM) exerts multiple functions in animals and plants, but the mode of ExtCaM action is not well understood. In this paper, we provide evidence that ExtCaM stimulates a cascade of intracellular signaling events to regulate stomatal movement. Analysis of the changes of cytosolic free Ca2+ ([...

journal_title：Plant physiology

authors： Chen YL,Huang R,Xiao YM,Lü P,Chen J,Wang XC

更新日期：2004-12-01 00:00:00

abstract：:Computing techniques are used to simulate the course of uptake of K(+), Na(+), and Cl(-) by low-salt roots. Measurements of the fluxes of these ions in high-salt roots are used to calculate membrane permeabilities, which are then used to calculate cell uptake. In this way it is possible to test the predictive value of...

journal_title：Plant physiology

authors： Pitman MG

更新日期：1969-10-01 00:00:00

abstract：:Endosperm liquid bathes the embryo of Phaseolus vulgaris from the heart stage through the late cotyledon state. This liquid was aspirated from many ovules of the same stage, pooled, and analyzed for the following constituents and parameters: [List: see text]. ...

journal_title：Plant physiology

authors： Smith JG

更新日期：1973-03-01 00:00:00

abstract：:Hybrids have been made between species of Flaveria exhibiting varying levels of C(4) photosynthesis. The degree of C(4) photosynthesis expressed in four interspecific hybrids (Flaveria trinervia [C(4)] x F. linearis [C(3)-C(4)], F. brownii [C(4)-like] x F. linearis, and two three-species hybrids from F. trinervia x [F...

journal_title：Plant physiology

authors： Brown RH,Byrd GT,Black CC

更新日期：1992-10-01 00:00:00

abstract：:Lack of sufficient water is a major limiting factor to crop production worldwide, and the development of drought-tolerant germplasm is needed to improve crop productivity. The phytohormone ethylene modulates plant growth and development as well as plant response to abiotic stress. Recent research has shown that modify...

journal_title：Plant physiology

authors： Shi J,Habben JE,Archibald RL,Drummond BJ,Chamberlin MA,Williams RW,Lafitte HR,Weers BP

更新日期：2015-09-01 00:00:00

abstract：:A method has been devised for loading chloroplast inner envelope vesicles prepared from pea (Pisum sativum L. var Progress No. 9) or spinach (Spinacia oleracea L.) with 8-hydroxypyrene-1,3,6-trisulfonate (pyranine), a membrane impermeant, fluorescent pH indicator. Two known proton-linked transport activities of the in...

journal_title：Plant physiology

authors： Howitz KT,McCarty RE

更新日期：1988-04-01 00:00:00

abstract：:Aluminum (Al) and proton (H⁺) tolerances are essential traits for plants to adapt to acid soil environments. In Arabidopsis (Arabidopsis thaliana), these tolerances are mediated by a zinc-finger transcription factor, SENSITIVE TO PROTON RHIZOTOXICITY1 (AtSTOP1), which regulates the transcription of multiple genes crit...

journal_title：Plant physiology

authors： Ohyama Y,Ito H,Kobayashi Y,Ikka T,Morita A,Kobayashi M,Imaizumi R,Aoki T,Komatsu K,Sakata Y,Iuchi S,Koyama H

更新日期：2013-08-01 00:00:00

abstract：:A mass spectrometric method combining (16)O/(18)O and (12)C/(13)C isotopes was used to quantify the unidirectional fluxes of O(2) and CO(2) during a dark to light transition for guard cell protoplasts and mesophyll cell protoplasts of Commelina communis L. In darkness, O(2) uptake and CO(2) evolution were similar on a...

journal_title：Plant physiology

authors： Gautier H,Vavasseur A,Gans P,Lascève G

更新日期：1991-02-01 00:00:00

abstract：:The primary aerial surfaces of land plants are covered with a cuticle, a protective layer composed of the cutin polyester matrix and cuticular waxes. Previously, we discovered a unique mechanism of regulating cuticular wax biosynthesis during Arabidopsis (Arabidopsis thaliana) stem elongation that involves ECERIFERUM7...

journal_title：Plant physiology

authors： Lam P,Zhao L,Eveleigh N,Yu Y,Chen X,Kunst L

更新日期：2015-02-01 00:00:00

abstract：:The prospect that Ca(2+) promotes senescence by activating calmodulin has been examined using cut pea (Pisum sativum co Alaska) foliage as a model system. Senescence was induced by severing 17-day-old plants from their roots and maintaining them in aqueous test solutions in the dark for an additional 4 days. Treatment...

journal_title：Plant physiology

authors： Leshem YY,Sridhara S,Thompson JE

更新日期：1984-06-01 00:00:00

abstract：:A brief red light pretreatment (pulse), operating through phytochrome, stimulates the synthesis of chlorophyll a and b in Sorghum vulgare shoots that are placed in continuous saturating white light. The red light effect is fully reversible by a far-red (756 nanometers) light pulse for 45 minutes. Thereafter, escape fr...

journal_title：Plant physiology

authors： Oelze-Karow H,Mohr H

更新日期：1982-09-01 00:00:00

abstract：:A proteinase was purified from germinated barley (green malt from Hordeum vulgare L. cv Morex) by acidic extraction, ammonium sulfate fractionation and successive chromatographies on CM-cellulose, hemoglobin sepharose, Sephadex G-75 and organomercurial agarose columns. The overall purification and final recovery were ...

journal_title：Plant physiology

authors： Poulle M,Jones BL

更新日期：1988-12-01 00:00:00

abstract：:Plant cytosolic lipid droplets (LDs) are covered with a layer of phospholipids and oleosin and were extensively studied before those in mammals and yeast. Oleosin has short amphipathic N- and C-terminal peptides flanking a conserved 72-residue hydrophobic hairpin, which penetrates and stabilizes the LD Oleosin is synt...

journal_title：Plant physiology

authors： Huang CY,Huang AHC

更新日期：2017-08-01 00:00:00

abstract：:Reducing the level of endogenous ethylene in detached Shamouti oranges (Citrus sinensis L. Osbeck) by means of subatmospheric pressure did not alter the rate of chlorophyll destruction and color changes during the first 8 days after harvest in the presence or absence of exogenous ethylene. Reducing the activity of eth...

journal_title：Plant physiology

authors： Apelbaum A,Goldschmidt EE,Ben-Yehoshua S

更新日期：1976-05-01 00:00:00

abstract：:Isolated maize (Zea mays var. kelvedon glory) etioplasts have been used to investigate the relationships between the spectral shifts and ultrastructural changes which occur during light-induced chloroplast development. After primary photoconversion, the Shibata shift was observed as a change from 680 to 670 nm in the ...

journal_title：Plant physiology

authors： Horton P,Leech RM

更新日期：1975-02-01 00:00:00

abstract：:Chloroplast ribosomes, which originated from cyanobacteria, comprise a large subunit (50S) and a small subunit (30S) containing ribosomal RNAs (rRNAs) and various ribosomal proteins. Genes for many chloroplast ribosomal proteins, as well as proteins with auxiliary roles in ribosome biogenesis or functioning, reside in...

journal_title：Plant physiology

authors： Pulido P,Zagari N,Manavski N,Gawronski P,Matthes A,Scharff LB,Meurer J,Leister D

更新日期：2018-08-01 00:00:00

abstract：:Enriched mitochondrial fractions isolated from durum wheat seedlings via differential centrifugation exhibited classical cyanide- or antimycin A-insensitive O(2) uptake which was inhibited by either salicylhydroxamic acid or propyl gallate. Further purification of this fraction using Percoll density gradients resulted...

journal_title：Plant physiology

authors： Goldstein AH,Anderson JO,McDaniel RG

更新日期：1981-03-01 00:00:00

abstract：:Nicotianamine (NA) occurs in all plants and chelates metal cations, including FeII, but reportedly not FeIII. However, a comparison of the FeII and ZnII affinity constants of NA and various FeIII-chelating aminocarboxylates suggested that NA should chelate FeIII. High-voltage electrophoresis of the FeNA complex formed...

journal_title：Plant physiology

authors： von Wiren N,Klair S,Bansal S,Briat JF,Khodr H,Shioiri T,Leigh RA,Hider RC

更新日期：1999-03-01 00:00:00

abstract：:The BEL1-like family of transcription factors is ubiquitous in plants and plays important roles in regulating development. They function in tandem with KNOTTED1 types to bind to a double TTGAC motif in the upstream sequence of target genes. StBEL5 of potato (Solanum tuberosum) functions as a mobile RNA signal that is ...

journal_title：Plant physiology

authors： Sharma P,Lin T,Hannapel DJ

更新日期：2016-01-01 00:00:00

abstract：:Plants accumulate the lipids phosphatidic acid (PA), diacylglycerol (DAG), and triacylglycerol (TAG) during cold stress, but how plants balance the levels of these lipids to mediate cold responses remains unknown. The enzymes ACYL-COENZYME A:DIACYLGLYCEROL ACYLTRANSFERASE (DGAT) and DIACYLGLYCEROL KINASE (DGK) catalyz...

journal_title：Plant physiology

authors： Tan WJ,Yang YC,Zhou Y,Huang LP,Xu L,Chen QF,Yu LJ,Xiao S

更新日期：2018-07-01 00:00:00

abstract：:The capacity of sodium orthovanadate to inhibit the plasmalemma H(+) ATPase of Nitella translucens internodal cells in vivo was tested. Here we show that 1 millimolar vanadate added externally depolarizes strongly and permanently the membrane potential, both in dark and light, to the Nernst potential for potassium con...

journal_title：Plant physiology

authors： Cruz-Mireles RM,Ortega-Blake I

更新日期：1991-05-01 00:00:00