A stress-inducible resveratrol O-methyltransferase involved in the biosynthesis of pterostilbene in grapevine.

abstract：:A new ultraviolet (UV)-A/B absorbing pigment with maxima at 312 and 330 nanometers from the cosmopolitan terrestrial cyanobacterium Nostoc commune is described. The pigment is found in high amounts (up to 10% of dry weight) in colonies grown under solar UV radiation but only in low concentrations in laboratory culture...

journal_title：Plant physiology

authors： Scherer S,Chen TW,Böger P

更新日期：1988-12-01 00:00:00

abstract：:Cold hardiness of leaf blades, leaf sheaths, culms, rhizomes, and leaf buds in wintering Sasa senanensis (Fr. et Sav.) Rehder, a dwarf bamboo, was studied paying special attention to the types of resistance mechanisms which were determined with differential thermal analysis. Coincidence of LT(25) (lethal temperature a...

journal_title：Plant physiology

authors： Ishikawa M

更新日期：1984-05-01 00:00:00

abstract：:Kinetic aspects of ethylene-mediated signal transduction leading to seedling-growth inhibition and chitinase induction in Arabidopsis were investigated by the introduction of defined mutations in components of these pathways. Dose-response analysis of wild-type responses indicated that the rate-limiting steps for seed...

journal_title：Plant physiology

authors： Chen QG,Bleecker AB

更新日期：1995-06-01 00:00:00

abstract：:The endoplasmic reticulum (ER) stress response is a signal transduction pathway activated by the perturbation of normal ER metabolism. We used the maize (Zea mays) floury-2 (fl2) mutant and soybean (Glycine max) suspension cultures treated with tunicamycin (Tm) to investigate the ER stress response as it relates to ph...

journal_title：Plant physiology

authors： Shank KJ,Su P,Brglez I,Boss WF,Dewey RE,Boston RS

更新日期：2001-05-01 00:00:00

abstract：:Maximizing light capture by light-harvesting pigment optimization represents an attractive but challenging strategy to improve photosynthetic efficiency. Here, we report that loss of a previously uncharacterized gene, HIGH PHOTOSYNTHETIC EFFICIENCY1 (HPE1), optimizes light-harvesting pigments, leading to improved phot...

journal_title：Plant physiology

authors： Jin H,Li M,Duan S,Fu M,Dong X,Liu B,Feng D,Wang J,Wang HB

更新日期：2016-11-01 00:00:00

abstract：:To examine the role of isoamylase1 (ISA1) in amylopectin biosynthesis in plants, a genomic DNA fragment from Aegilops tauschii was introduced into the ISA1-deficient rice (Oryza sativa) sugary-1 mutant line EM914, in which endosperm starch is completely replaced by phytoglycogen. A. tauschii is the D genome donor of w...

journal_title：Plant physiology

authors： Kubo A,Rahman S,Utsumi Y,Li Z,Mukai Y,Yamamoto M,Ugaki M,Harada K,Satoh H,Konik-Rose C,Morell M,Nakamura Y

更新日期：2005-01-01 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：:Metabolism of [(14)C]gibberellin (GA) A(12) (GA(12)) and [(14)C]gibberellin A(12)-aldehyde (GA(12)-aldehyde) was examined in cotyledons and seed coats from developing seeds of pea (Pisum sativum L.). Both were metabolized to only 13-hydroxylated GAs in cotyledons but to 13-hydroxylated and non-13-hydroxylated GAs in s...

journal_title：Plant physiology

authors： Zhu YX,Davies PJ,Halinska A

更新日期：1991-09-01 00:00:00

abstract：:Mannan polysaccharides are widespread among plants, where they serve as structural elements in cell walls, as carbohydrate reserves, and potentially perform other important functions. Previous work has demonstrated that members of the cellulose synthase-like A (CslA) family of glycosyltransferases from Arabidopsis (Ar...

journal_title：Plant physiology

authors： Liepman AH,Nairn CJ,Willats WG,Sørensen I,Roberts AW,Keegstra K

更新日期：2007-04-01 00:00:00

abstract：:The herbicide Sandoz 6706 (4-chloro-5-(dimethylamino)-2-alpha,alpha,alpha, (trifluoro-m-tolyl)-3(2H)-pyridazinone), when applied as a preplant soil treatment at a concentration of 0.05 mug/g reduced the content of beta-carotene and chlorophylls in 21-day-old wheat seedlings (Triticum aestivum L.) by 55% and 29%, respe...

journal_title：Plant physiology

authors： Ben-Aziz A,Koren E

更新日期：1974-12-01 00:00:00

abstract：:Oilseeds are the main source of lipids used in both food and biofuels. The growing demand for vegetable oil has focused research toward increasing the amount of this valuable component in oilseed crops. Globally, soybean (Glycine max) is one of the most important oilseed crops grown, contributing about 30% of the vege...

journal_title：Plant physiology

authors： Lardizabal K,Effertz R,Levering C,Mai J,Pedroso MC,Jury T,Aasen E,Gruys K,Bennett K

更新日期：2008-09-01 00:00:00

abstract：:Cysthathionine [gamma]-synthase (CS), an enzyme involved in methionine biosynthesis, was purified from an acetone powder prepared from wheat (Triticum aestivum L.). After several chromatographic steps and radiolabeling of the partially purified enzyme with sodium cyanoboro[3H]hydride, a single polypeptide with a molec...

journal_title：Plant physiology

authors： Kreft BD,Townsend A,Pohlenz HD,Laber B

更新日期：1994-04-01 00:00:00

abstract：:Light stimulated the activation of ribulosebisphosphate carboxylase/oxygenase (rubisco) in a buffered lysed chloroplast system in the presence of saturating concentrations of ATP. This indicates a role for light in the rubisco activase activation system in addition to the previously identified requirement for the synt...

journal_title：Plant physiology

authors： Campbell WJ,Ogren WL

更新日期：1990-01-01 00:00:00

abstract：:The effect of abscisic acid (ABA) on the exudation process in excised sunflower root was investigated. A promotion of both ion flux and volume exudation rate was observed. Cutting off the external supply of ions to the roots markedly increased the magnitude of the ABA effect. The promotive effect of ABA on exudation r...

journal_title：Plant physiology

authors： Glinka Z

更新日期：1980-03-01 00:00:00

abstract：:The plant hormone jasmonic acid (JA) plays a pivotal role in plant-insect interactions. Herbivore attack usually elicits dramatic increases in JA concentrations, which in turn activate the accumulation of metabolites that function as defenses against herbivores. Although almost all enzymes involved in the biosynthesis...

journal_title：Plant physiology

authors： Yang DH,Hettenhausen C,Baldwin IT,Wu J

更新日期：2012-08-01 00:00:00

abstract：:Freezing, dehydration, and supercooling cause microtubules in mesophyll cells of spinach (Spinacia oleracea L. cv Bloomsdale) to depolymerize (ME Bartolo, JV Carter [1991] Plant Physiol 97: 175-181). The objective of this study was to gain insight into the question of whether microtubules depolymerize as a direct resp...

journal_title：Plant physiology

authors： Bartolo ME,Carter JV

更新日期：1992-08-01 00:00:00

abstract：:Biochemical and electrophysiological studies on plant vacuolar transporters became feasible in the late 1970s and early 1980s, when methods to isolate large quantities of intact vacuoles and purified vacuolar membrane vesicles were established. However, with the exception of the H+-ATPase and H+-PPase, which could be ...

journal_title：Plant physiology

authors： Martinoia E

更新日期：2018-02-01 00:00:00

abstract：:Direct and indirect mechanisms underlying the light response of stomata were studied in variegated leaves of the juvenile phase of Hedera helix L. Dose response curves of leaf conductance were measured with blue and red light in leaves kept in normal or in an inverted position. In the green portions of the leaves, the...

journal_title：Plant physiology

authors： Aphalo PJ,Sánchez RA

更新日期：1986-07-01 00:00:00

abstract：:Plant mutants for genes encoding subunits of mitochondrial complex I (CI; NADH:ubiquinone oxidoreductase), the first enzyme of the respiratory chain, display various phenotypes depending on growth conditions. Here, we examined the impact of photoperiod, a major environmental factor controlling plant development, on tw...

journal_title：Plant physiology

authors： Pétriacq P,de Bont L,Genestout L,Hao J,Laureau C,Florez-Sarasa I,Rzigui T,Queval G,Gilard F,Mauve C,Guérard F,Lamothe-Sibold M,Marion J,Fresneau C,Brown S,Danon A,Krieger-Liszkay A,Berthomé R,Ribas-Carbo M,Tcherkez

更新日期：2017-01-01 00:00:00

abstract：:A 108-fold purification of the sucrose synthetase from the extract of the shoot of bamboo Lelaba oldhami was achieved by ammonium sulfate fractionation, calcium phosphate gel adsorption, and chromatographic separations on Sephadex G-100 and diethylaminoethyl-cellulose columns. Some properties of this enzyme, namely th...

journal_title：Plant physiology

authors： Su JC

更新日期：1977-07-01 00:00:00

abstract：:Gibberellin A(1) (GA(1)), 3-epi-GA(1), GA(4), GA(9), 11alpha-hydroxyGA(12), 12alpha-hydroxyGA(12), GA(15), GA(17), GA(19), GA(20), GA(25), GA(37), GA(40), GA(58), GA(69), GA(70), and GA(71) have been identified from Kovats retention indices and full scan mass spectra by capillary GC-MS analyses of purified extracts fr...

journal_title：Plant physiology

authors： Yamane H,Fujioka S,Spray CR,Phinney BO,Macmillan J,Gaskin P,Takahashi N

更新日期：1988-03-01 00:00:00

abstract：:Xylem sap of cluster bean (Cyamopsis tetragonoloba L. cv FS-277) and pigeonpea (Cajanus cajan cv UPAS-120) were analyzed for total nitrogen, amide nitrogen, and ureide nitrogen at flowering stage. Nitrogenase, uricase, and allantoinase were compared in nodules of cluster bean and pigeonpea. Xylem sap of cluster bean e...

journal_title：Plant physiology

authors： Sheoran IS,Luthra YP,Kuhad MS,Singh R

更新日期：1982-09-01 00:00:00

abstract：:Fructose 2,6-bisphosphate inhibits phosphoglucomutase noncompetitively with respect to the cofactor glucose 1,6-bisphosphate. Previous studies from our laboratory had shown that phosphoglucomutase was activated by fructose 2,6-bisphosphate in the absence of added glucose 1,6-bisphosphate. The fructose 2,6-bisphosphate...

journal_title：Plant physiology

authors： Galloway CM,Dugger WM,Black CC

更新日期：1988-12-01 00:00:00

abstract：:Formation of the chlorophyll and heme precursor delta-aminolevulinic acid (ALA) from glutamate in soluble extracts of Chlorella vulgaris, Euglena gracilis, and Cyanidium caldarium was stimulated by addition of low molecular weight RNA derived from greening algae or plant tissue. Enzyme extracts were prepared for the A...

journal_title：Plant physiology

authors： Weinstein JD,Mayer SM,Beale SI

更新日期：1986-12-01 00:00:00

abstract：:(125)I-Labeled ethylene biosynthesis-inducing xylanase (EIX) was used to study the movement of this protein in tobacco (Nicotiana tabacum) tissues. A biologically active (125)I-labeled EIX was obtained using chloramine-T as the oxidizing agent. Labeled EIX was detected in the far most edges of the leaf 5 min after it ...

journal_title：Plant physiology

authors： Sharon A,Bailey BA,McMurtry JP,Taylor R,Anderson JD

更新日期：1992-12-01 00:00:00

abstract：:Three populations of seedlings of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) were subjected to recurrent drought cycles. Pressure-volume curves were developed to derive the osmotic and pressure potentials as functions of the symplastic water over a wide range of relative water content. The drought cycles induc...

journal_title：Plant physiology

authors： Joly RJ,Zaerr JB

更新日期：1987-02-01 00:00:00

abstract：:A gene (EGL1) encoding an endo-beta-1,4-D-glucanase (EGase, EC 3.2.1.4) of pea (Pisum sativum) has been cloned and characterized. EGL1 encodes a 486-amino acid polypeptide, including a 24-mer putative signal peptide. The mature protein has a calculated molecular mass of 51.3 kD and an isoelectric point of 9.1. This pe...

journal_title：Plant physiology

authors： Wu SC,Blumer JM,Darvill AG,Albersheim P

更新日期：1996-01-01 00:00:00

abstract：:Chloroplastic and cytoplasmic forms of pea (Pisum sativum L.) leaf glucose-6-P dehydrogenase can be separated by gel electrophoresis. Both forms are found in etiolated seedlings. When light-grown plants are illuminated or when crude extracts are treated with dithiothreitol, the chloroplastic and cytoplasmic forms of t...

journal_title：Plant physiology

authors： Anderson LE,Ng TC,Park KE

更新日期：1974-06-01 00:00:00

abstract：:It has long been known that leaf senescence can be induced in many plant species by detaching leaves and placing them in the darkness. It recently has been shown that entire Arabidopsis plants placed in the darkness are not induced to senesce, as judged by visible yellowing and certain molecular markers. Here, we show...

journal_title：Plant physiology

authors： Weaver LM,Amasino RM

更新日期：2001-11-01 00:00:00

abstract：:The nitrodiphenyl ether herbicide 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitroacetophenone oxime-o-(acetic acid, methyl ester) (DPEI) induces light- and O(2)-dependent lipid peroxidation and chlorophyll (Chl) bleaching in the green alga Scenedesmus obliquus. Under conditions of O(2)-limitation, these effects are di...

journal_title：Plant physiology

authors： Bowyer JR,Hallahan BJ,Camilleri P,Howard J

更新日期：1989-02-01 00:00:00