Ozone quenching properties of isoprene and its antioxidant role in leaves.

abstract：:Protoplasts and intact chloroplasts isolated from Agropyron smithii Rybd. were utilized in an effort to determine the limiting factor(s) for photosynthesis at supraoptimal temperatures. Saturated CO(2)-dependent O(2) evolution had a temperature optimum of 35 degrees C for both protoplasts and intact chloroplasts. A sh...

journal_title：Plant physiology

authors： Kobza J,Uribe EG,Williams GJ

更新日期：1984-06-01 00:00:00

abstract：:Exposure of six wheat (Triticum aestivum L.) and one rye (Secale cereale L.) cultivar to 40% relative humidity for 24 hours induced the same degree of freezing tolerance in seedling epicotyls as did cold conditioning for 4 weeks at 2 degrees C.Frost hardiness varietal relationships were the same in desiccation-stresse...

journal_title：Plant physiology

authors： Cloutier Y,Siminovitch D

更新日期：1982-01-01 00:00:00

abstract：:Trichome development is dependent on gibberellin (GA) signaling in Arabidopsis thaliana. Using the GA-deficient mutant ga1-3, the GA-response mutant spy-5, and uniconazol (a GA-biosynthesis inhibitor), we show that the GA level response correlates positively with both trichome number and trichome branch number. Two ge...

journal_title：Plant physiology

authors： Perazza D,Vachon G,Herzog M

更新日期：1998-06-01 00:00:00

abstract：:Phenol inhibits the Hill reaction with several Hill oxidants and the accompanying non-cyclic phosphorylation. It inhibits also pseudocyclic and cyclic phosphorylation. Partial reactions which are dependent on cyclic electron flow are inhibited too, but electron flow from ascorbate via dichlorophenolindophenol to TPN i...

journal_title：Plant physiology

authors： Neumann J,Drechsler Z

更新日期：1967-04-01 00:00:00

abstract：:Endo-[beta]-mannanase is hypothesized to be a rate-limiting enzyme in endosperm weakening, which is a prerequisite for radicle emergence from tomato (Lycopersicon esculentum Mill.) seeds. Using a sensitive, single-seed assay, we have measured mannanase activity diffusing from excised tomato endosperm caps following tr...

journal_title：Plant physiology

authors： Still DW,Bradford KJ

更新日期：1997-01-01 00:00:00

abstract：:Ribulose 1,5-bisphosphate carboxylase (RuBPCase) was chosen as a model protein to study how heat shock (HS) affects both chloroplast protein synthesis and the nuclear-chloroplast interaction in production of chloroplast proteins. Experiments were performed using highly chlorophyllous, soybean (Glycine max L. Merr. var...

journal_title：Plant physiology

authors： Vierling E,Key JL

更新日期：1985-05-01 00:00:00

abstract：:Callitriche cophocarpa Sendtner is a heterophyllous amphibious macrophyte that produces apical rosettes of floating leaves. The importance of air contact for inorganic carbon and N uptake and for growth was investigated. Plants were grown with the floating rosette in contact with air of various humidities (10, 50, and...

journal_title：Plant physiology

authors： Madsen TV,Breinholt M

更新日期：1995-01-01 00:00:00

abstract：:The marine dinoflagellate Amphidinium carterae (Plymouth 450) releases several water-soluble peridinin-chlorophyll a proteins after freezethawing. These chromoproteins have a molecular weight of 39.2 x 10(3) and are comprised of noncovalently bound peridinin and chlorophyll a and a nonoligomeric protein. They have dis...

journal_title：Plant physiology

authors： Haxo FT,Kycia JH,Somers GF,Bennett A,Siegelman HW

更新日期：1976-02-01 00:00:00

abstract：:Fucoid algae release gametes into seawater following an inductive light period (potentiation), and gamete expulsion from potentiated receptacles of Pelvetia compressa began about 2 min after a light-to-dark transition. Agitation of the medium reversed potentiation, with an exponential time course completed in about 3 ...

journal_title：Plant physiology

authors： Pearson GA,Howard Brawley S

更新日期：1998-09-01 00:00:00

abstract：:A new bacterial agglutinin was isolated from seeds of the soybean cultivar Clark. Purification was carried out by ammonium sulfate precipitation and ion-exchange chromatography. The agglutinin is a heat-labile glycoprotein most active at pH 4.0. Addition of Ca(2+), Mn(2+) and Mg(2+) did not enhance the agglutinating a...

journal_title：Plant physiology

authors： Fett WF,Sequeira L

更新日期：1980-11-01 00:00:00

abstract：:Several polyclonal sera were raised in rabbits and in mice against putative sucrose carrier proteins, i.e. a 42 kilodalton (O Gallet, R Lemoine, C Larsson, S Delrot [1989] Biochim Biophys Acta 978: 56-64) and a 62 kD (KG Ripp, PV Viitanen, WD Hitz, VR Fransceschi [1988] Plant Physiol 88: 1435-1445) polypeptide of the ...

journal_title：Plant physiology

authors： Gallet O,Lemoine R,Gaillard C,Larsson C,Delrot S

更新日期：1992-01-01 00:00:00

abstract：:Sucrose:sucrose 1-fructosyltransferase (1-SST), an enzyme involved in fructan biosynthesis, was purified to homogeneity from tubers of Helianthus tuberosus that were harvested in the accumulation phase. Gel filtration under native conditions predicted a molecular mass of about 67 kD. Electrophoresis or gel filtration ...

journal_title：Plant physiology

authors： Koops AJ,Jonker HH

更新日期：1996-04-01 00:00:00

abstract：:Long-term aging of potato (Solanum tuberosum) seed-tubers resulted in a loss of patatin (40 kD) and a cysteine-proteinase inhibitor, potato multicystatin (PMC), as well as an increase in the activities of 84-, 95-, and 125-kD proteinases. Highly active, additional proteinases (75, 90, and 100 kD) appeared in the oldes...

journal_title：Plant physiology

authors： Kumar GN,Houtz RL,Knowles NR

更新日期：1999-01-01 00:00:00

abstract：:The effects of ultraviolet-B (UV-B) radiation on stomatal conductance (g(s)) in pea (Pisum sativum L.), commelina (Commelina communis L.), and oilseed rape (Brassica napus L.) plants were investigated. Plants were grown in a greenhouse either with three different high ratios of UV-B to photosynthetically active radiat...

journal_title：Plant physiology

authors： Nogues S,Allen DJ,Morison JI,Baker NR

更新日期：1999-10-01 00:00:00

abstract：:Metatranscriptomic study of nonmodel organisms requires strategies that retain the highly resolved genetic information generated from model organisms while allowing for identification of the unexpected. A real-world biological application of phytoremediation, the field growth of 10 Salix cultivars on polluted soils, w...

journal_title：Plant physiology

authors： Brereton NJ,Gonzalez E,Marleau J,Nissim WG,Labrecque M,Joly S,Pitre FE

更新日期：2016-05-01 00:00:00

abstract：:Cryptogein (CRY), a protein secreted by Phytophthora cryptogea, causes necrosis on tobacco (Nicotiana tabacum) plants at the site of application (the stem or the roots) and also on distant leaves. Autoradiography of plantlets after root absorption of radioiodinated CRY demonstrated a rapid migration of the label to th...

journal_title：Plant physiology

authors： Devergne JC,Bonnet P,Panabières F,Blein JP,Ricci P

更新日期：1992-07-01 00:00:00

abstract：:A population of M2 seedlings of Arabidopsis thaliana was screened for mutants that were insensitive to the ethylene precursor 1-aminocyclopropane-1-carboxylate (ACC). Several independent lines were obtained and proved insensitive to both ACC and ethylene. Two lines were identified as alleles of a single recessive muta...

journal_title：Plant physiology

authors： Van Der Straeten D,Djudzman A,Van Caeneghem W,Smalle J,Van Montagu M

更新日期：1993-06-01 00:00:00

abstract：:We investigated the synthesis and turnover of cell wall polysaccharides of the flax (Linum usitatissimum L.) plant during development of the phloem fibers. One-month-old flax plants were exposed to a 40-min pulse with 14CO2 followed by 8-h, 24-h, and 1-month periods of chase with ambient CO2, and radioactivity in cell...

journal_title：Plant physiology

authors： Gorshkova TA,Chemikosova SB,Lozovaya VV,Carpita NC

更新日期：1997-06-01 00:00:00

abstract：:The phytohormone abscisic acid (ABA) regulates physiologically important developmental processes and stress responses. Previously, we reported on Arabidopsis (Arabidopsis thaliana) L. Heynh. ahg mutants, which are hypersensitive to ABA during germination and early growth. Among them, ABA-hypersensitive germination3 (a...

journal_title：Plant physiology

authors： Yoshida T,Nishimura N,Kitahata N,Kuromori T,Ito T,Asami T,Shinozaki K,Hirayama T

更新日期：2006-01-01 00:00:00

abstract：:Two cDNAs encoding functional carbonic anhydrase (CA) enzymes were recently isolated from a non-photosynthetic, cotyledon library of cotton (Gossypium hirsutum) seedlings with putative plastid-targeting sequences (GenBank accession nos. AF132854 and AF132855). Relative CA transcript abundance and enzyme activity incre...

journal_title：Plant physiology

authors： Hoang CV,Chapman KD

更新日期：2002-04-01 00:00:00

abstract：:Phosphatidylinositol 3,5-bisphosphate [PtdIns(3,5)P2] is an important lipid in membrane trafficking in animal and yeast systems; however, its role is still largely obscure in plants. Here, we demonstrate that the phosphatidylinositol 3-phosphate 5-kinase, formation of aploid and binucleate cells1 (FAB1)/FYVE finger-co...

journal_title：Plant physiology

authors： Hirano T,Munnik T,Sato MH

更新日期：2015-11-01 00:00:00

abstract：:Four putative apyrase genes were identified from the model legume Medicago truncatula. Two of the genes identified from M. truncatula (Mtapy1 and Mtapy4) are expressed in roots and are inducible within 3 h after inoculation with Sinorhizobium meliloti. The level of mRNA expression of the other two putative apyrases, M...

journal_title：Plant physiology

authors： Cohn JR,Uhm T,Ramu S,Nam YW,Kim DJ,Penmetsa RV,Wood TC,Denny RL,Young ND,Cook DR,Stacey G

更新日期：2001-04-01 00:00:00

abstract：:The in vivo synthesis of early heat-shock proteins in young leaves of barley (Hordeum vulgare L.) and sorghum (Sorghum bicolor L.) was studied by one- and two-dimensional electrophoresis. Analysis of whole leaf protein patterns demonstrated clearly the enhanced resolution of heat-shock proteins, especially those of lo...

journal_title：Plant physiology

authors： Clarke AK,Critchley C

更新日期：1990-10-01 00:00:00

abstract：:In some species, a crucial role has been demonstrated for the seed endosperm during germination. The endosperm has been shown to integrate environmental cues with hormonal networks that underpin dormancy and seed germination, a process that involves the action of cell wall remodeling enzymes (CWREs). Here, we examine ...

journal_title：Plant physiology

authors： Lee KJ,Dekkers BJ,Steinbrecher T,Walsh CT,Bacic A,Bentsink L,Leubner-Metzger G,Knox JP

更新日期：2012-11-01 00:00:00

abstract：:Ammonium (NH(4) (+)) nutrition inhibits water uptake and root exudation and decreases leaf water potential of tomato plants grown in solution culture. This inhibition is readily reversible by NO(3) (-) for short term exposures to NH(4) (+); however, recovery is delayed following long term exposures. ...

journal_title：Plant physiology

authors： Quebedeaux B,Ozbun JL

更新日期：1973-12-01 00:00:00

abstract：:Electron micrographs are presented which establish the identity of the components of the 3 major bands observed after sucrose density centrifugation of the crude particulate fraction from the endosperm of germinating castor bean seedlings. These are: mitochondria (density 1.19 g/cc), proplastids (density 1.23 g/cc) an...

journal_title：Plant physiology

authors： Breidenbach RW,Kahn A,Beevers H

更新日期：1968-05-01 00:00:00

abstract：:Distinct ROS signaling pathways initiated by singlet oxygen ((1)O2) or superoxide and hydrogen peroxide have been attributed to either cell death or acclimation, respectively. Recent studies have revealed that more complex antagonistic and synergistic relationships exist within and between these pathways. As specific ...

journal_title：Plant physiology

authors： Carmody M,Crisp PA,d'Alessandro S,Ganguly D,Gordon M,Havaux M,Albrecht-Borth V,Pogson BJ

更新日期：2016-07-01 00:00:00

abstract：:Solid-state nuclear magnetic resonance relaxation experiments were used to study the rigidity and spatial proximity of polymers in sugar beet (Beta vulgaris) cell walls. Proton T1rho decay and cross-polarization patterns were consistent with the presence of rigid, crystalline cellulose microfibrils with a diameter of ...

journal_title：Plant physiology

authors： Renard CM,Jarvis MC

更新日期：1999-04-01 00:00:00

abstract：:Addition of excess copper to nongrowing cells of a normal, green Chlorella caused a reduction in total pigments and a blue shift of chlorophyll absorption, concurrent with the inhibition of photosynthesis. Chlorophylless yellow and white mutant strains of the same alga showed a rise in nonspecific absorption (i.e., ch...

journal_title：Plant physiology

authors： Gross RE,Pugno P,Dugger WM

更新日期：1970-08-01 00:00:00

abstract：:The rate of (14)C-leucine and (3)H-uracil incorporation by tobacco cells (Nicotiana tabaccum var. Samsun N.N.) in suspension culture was simultaneously decreased by the addition of kinetin at concentrations above 2.5 x 10(-5)m. Ribosomal RNA was the first RNA species affected by kinetin. The purine derivatives, adenin...

journal_title：Plant physiology

authors： Nudel U,Bamberger ES

更新日期：1971-03-01 00:00:00