Partial Purification and Some Properties of Flavonol 7-Sulfotransferase from Flaveria bidentis.

abstract：:Increasing concentrations of K (20, 200, 2000 mum) in the nutrient solution depressed Ca content and concentration in barley plants growing in nutrient solutions of low Ca concentrations (250 and 2500 mum). Increasing K from 20 to 200 mum depressed Ca absorption more than increasing K from 200 to 2000 mum K.The strong...

journal_title：Plant physiology

authors： Johansen C,Edwards DG,Loneragan JF

更新日期：1968-10-01 00:00:00

abstract：:Root growth is mainly determined by cell division and subsequent elongation in the root apical area. Components regulating cell division in root meristematic cells are largely unknown. Previous studies have identified rice (Oryza sativa) ROOT ARCHITECTURE ASSOCIATED1 (OsRAA1) as a regulator in root development. Yet, t...

journal_title：Plant physiology

authors： Han Y,Cao H,Jiang J,Xu Y,Du J,Wang X,Yuan M,Wang Z,Xu Z,Chong K

更新日期：2008-10-01 00:00:00

abstract：:Cesium (Cs) is chemically similar to potassium (K). However, although K is an essential element, Cs is toxic to plants. Two contrasting hypotheses to explain Cs toxicity have been proposed: (1) extracellular Cs+ prevents K+ uptake and, thereby, induces K starvation; and (2) intracellular Cs+ interacts with vital K(+)-...

journal_title：Plant physiology

authors： Hampton CR,Bowen HC,Broadley MR,Hammond JP,Mead A,Payne KA,Pritchard J,White PJ

更新日期：2004-11-01 00:00:00

abstract：:A poplar hybrid, Populus tremula x Populus alba, was transformed with the bacterial genes for either glutathione reductase (GR) (gor) or glutathione synthetase (GS) (gshII). When the gor gene was targeted to the chloroplasts, leaf GR activities were up to 1000 times greater than in all other lines. In contrast, target...

journal_title：Plant physiology

authors： Foyer CH,Souriau N,Perret S,Lelandais M,Kunert KJ,Pruvost C,Jouanin L

更新日期：1995-11-01 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：:We used three-dimensional structured illumination microscopy (3D-SIM) to obtain subdiffraction ("super-resolution") images of plasmodesmata (PD) expressing a green fluorescent protein-tagged viral movement protein (MP) in tobacco (Nicotiana tabacum). In leaf parenchyma cells, we were able to resolve individual compone...

journal_title：Plant physiology

authors： Fitzgibbon J,Bell K,King E,Oparka K

更新日期：2010-08-01 00:00:00

abstract：:A chimeric gene containing the patatin promoter and the transit-peptide region of the small-subunit carboxylase gene was utilized to direct expression of Escherichia coli glycogen synthase (glgA) to potato (Solanum tuberosum) tuber amyloplasts. Expression of the glgA gene product in tuber amyloplasts was between 0.007...

journal_title：Plant physiology

authors： Shewmaker CK,Boyer CD,Wiesenborn DP,Thompson DB,Boersig MR,Oakes JV,Stalker DM

更新日期：1994-04-01 00:00:00

abstract：:Polyamines are small ubiquitous molecules that have been involved in nearly all developmental processes, including the stress response. Nevertheless, no direct evidence of a role of polyamines in the wound response has been described. We have studied the expression of genes involved in polyamine biosynthesis in respon...

journal_title：Plant physiology

authors： Perez-Amador MA,Leon J,Green PJ,Carbonell J

更新日期：2002-11-01 00:00:00

abstract：:In cyanobacteria fatty acids destined for lipid synthesis can be synthesized de novo, but also exogenous free fatty acids from the culture medium can be directly incorporated into lipids. Activation of exogenous fatty acids is likely required prior to their utilization. To identify the enzymatic activity responsible f...

journal_title：Plant physiology

authors： Kaczmarzyk D,Fulda M

更新日期：2010-03-01 00:00:00

abstract：:A radioimmunoassay for glyceollin I, the major phytoalexin produced by soybean (Glycine max [L.] Merr.), has been developed. Antibodies were raised in rabbits against a glyceollin I-bovine serum albumin conjugate. The antisera were used to establish a radioimmunoassay for glyceollin I using [(125)I]glyceollin I as the...

journal_title：Plant physiology

authors： Moesta P,Hahn MG,Grisebach H

更新日期：1983-10-01 00:00:00

abstract：:Treatment of Pisum sativum (L.) cv. ;Sparkle' with ethyl methanesulfonic acid (EMS) produced a stable mutant, E135F, which forms small, white, ineffective nodules. These nodules exhibit histological zonation typical of an indeterminant nodule, e.g. meristematic, early symbiotic, late symbiotic, and senescent zones. Co...

journal_title：Plant physiology

authors： Kneen BE,Larue TA,Hirsch AM,Smith CA,Weeden NF

更新日期：1990-11-01 00:00:00

abstract：:Compatible and incompatible pollen tubes growing on detached Lilium longiflorum pistils which had been prelabeled with myoinositol-U-(14)C take up a portion of the label and utilize it for biosynthesis of tube wall substance. The label is transferred from pistil to pollen tubes apparently via the secretion products (e...

journal_title：Plant physiology

authors： Kroh M,Miki-Hirosige H,Rosen W,Loewus F

更新日期：1970-01-01 00:00:00

abstract：:Low conductance to CO2 of bundle sheath cells is required in C4 photosynthesis to maintain high [CO2] at the site of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco). Elevated [CO2] allows high CO2 assimilation rates by this enzyme and prevents Rubisco oxygenase activity and O2 inhibition of carboxylation. Bu...

journal_title：Plant physiology

authors： Brown RH,Byrd GT

更新日期：1993-12-01 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：:Cellulose is the most abundant biopolymer in the world, the main load-bearing element in plant cell walls, and represents a major sink for carbon fixed during photosynthesis. Previous work has shown that photosynthetic activity is partially regulated by carbohydrate sinks. However, the coordination of cellulose biosyn...

journal_title：Plant physiology

authors： Wormit A,Butt SM,Chairam I,McKenna JF,Nunes-Nesi A,Kjaer L,O'Donnelly K,Fernie AR,Woscholski R,Barter MC,Hamann T

更新日期：2012-05-01 00:00:00

abstract：:Superoxide dismutases (SODs) are key components of the plant antioxidant defense system. While plastidic and cytosolic isoforms have been extensively studied, the importance of mitochondrial SOD at a cellular and whole-plant level has not been established. To address this, transgenic Arabidopsis (Arabidopsis thaliana)...

journal_title：Plant physiology

authors： Morgan MJ,Lehmann M,Schwarzländer M,Baxter CJ,Sienkiewicz-Porzucek A,Williams TC,Schauer N,Fernie AR,Fricker MD,Ratcliffe RG,Sweetlove LJ,Finkemeier I

更新日期：2008-05-01 00:00:00

abstract：:Fluence-response curves for the induction of seed germination after 24 hours pretreatment at 35 degrees C of Rumex obtusifolius and Arabidopsis thaliana show two phases of response: (a) a very low fluence-response (10(-4) - 10(-1) micromoles per square meter) and (b) a low fluence-response (1 - 10(3) micromoles per sq...

journal_title：Plant physiology

authors： Kendrick RE,Cone JW

更新日期：1985-09-01 00:00:00

abstract：:The increase in proline induced by ABA, a process stimulated by NaCl or KCl in barley leaves, did not occur when Na(+) (or K(+)) was present in the external medium as the gluconate salt, namely with an anion unable to permeate the plasma membrane. However, proline increase was restored, to different extents, by the ad...

journal_title：Plant physiology

authors： Pesci P

更新日期：1988-03-01 00:00:00

abstract：:The LOSS OF APOMEIOSIS (LOA) locus is one of two dominant loci known to control apomixis in the eudicot Hieracium praealtum. LOA stimulates the differentiation of somatic aposporous initial cells after the initiation of meiosis in ovules. Aposporous initial cells undergo nuclear proliferation close to sexual megaspore...

journal_title：Plant physiology

authors： Okada T,Ito K,Johnson SD,Oelkers K,Suzuki G,Houben A,Mukai Y,Koltunow AM

更新日期：2011-11-01 00:00:00

abstract：:The effect of Co(2+) on ethylene production by mung bean (Phaseolus aureus Roxb.) and by apple tissues was studied. Co(2+), depending on concentrations applied, effectively inhibited ethylene production by both tissues. It also strongly inhibited the ethylene production induced by IAA, kinetin, IAA plus kinetin, Ca(2+...

journal_title：Plant physiology

authors： Lau OL,Yang SF

更新日期：1976-07-01 00:00:00

abstract：:After cold treatment of seedlings of winter wheat (Triticum aestivum L.), levels of hydrogen peroxide in the leaves were measured. The concentration of hydrogen peroxide increased to about three times the control level within a few minutes, and returned to the normal level in 15 to 20 minutes. The elevated level of hy...

journal_title：Plant physiology

authors： Okuda T,Matsuda Y,Yamanaka A,Sagisaka S

更新日期：1991-11-01 00:00:00

abstract：:Developmental changes of tomato (Lycopersicon esculentum) fruit tissues during maturation were analyzed by a physically defined method (stress-relaxation analysis). The tip of a conical probe connected to a load sensor was positioned on the cut surface of a sliced tomato fruit, and the decay of the imposed stress was ...

journal_title：Plant physiology

authors： Kojima K,Sakurai N,Kuraishi S,Yamamoto R,Nevins DJ

更新日期：1991-06-01 00:00:00

abstract：:Pear fruit cells (Pyrus communis L. cv Passe Crassane) stopped dividing when subcultured in a bioreactor under auxin starvation in the presence of 0.37 molar mannitol. The cessation of cell division was preceded by the accumulation of a specific basic polypeptide of 24 kilodalton. Readdition of 2.3 micromolar 2,4-dich...

journal_title：Plant physiology

authors： Lelievre JM,Balague C,Pech JC,Meyer Y

更新日期：1987-10-01 00:00:00

abstract：:Plants respond to phosphate (Pi) starvation by exhibiting a suite of developmental, biochemical, and physiological changes to cope with this nutritional stress. To understand the molecular mechanism underlying these responses, we isolated an Arabidopsis (Arabidopsis thaliana) mutant, hypersensitive to phosphate starva...

journal_title：Plant physiology

authors： Lei M,Liu Y,Zhang B,Zhao Y,Wang X,Zhou Y,Raghothama KG,Liu D

更新日期：2011-07-01 00:00:00

abstract：:2,4-Dichlorophenoxyacetic acid had a multiple effect on the development of indoleacetic acid oxidase isoenzymes in tobacco callus tissues (Nicotiana tabacum, cv. White Gold) cultured in vitro, and the development of these isoenzymes was differentially associated with growth promotion or inhibition depending on the con...

journal_title：Plant physiology

authors： Lee TT

更新日期：1972-06-01 00:00:00

abstract：:The accumulation of starch within photosynthetic tissues and within dedicated storage organs has been characterized extensively in many species, and a function in buffering carbon availability or in fueling later growth phases, respectively, has been proposed. However, developmentally regulated starch turnover within ...

journal_title：Plant physiology

authors： Hedhly A,Vogler H,Schmid MW,Pazmino D,Gagliardini V,Santelia D,Grossniklaus U

更新日期：2016-12-01 00:00:00

abstract：:Transgenic Nicotiana tabacum (cv Petit Havana SR1) containing high levels of mitochondrial alternative oxidase (AOX) protein due to the introduction of a sense transgene(s) of Aox1, the nuclear gene encoding AOX, were used to investigate mechanisms regulating AOX activity. After purification of leaf mitochondria, a la...

journal_title：Plant physiology

authors： Vanlerberghe GC,Day DA,Wiskich JT,Vanlerberghe AE,McIntosh L

更新日期：1995-10-01 00:00:00

abstract：:Cucumber (Cucumis sativus L., cv Poinsette) plants were sprayed with 20 millimolar 5-aminolevulinic acid and then incubated in the dark for 14 hours. The intact chloroplasts were isolated from the above plants in the dark and were exposed to weak light (250 micromoles per square meter per second). Within 30 minutes, p...

journal_title：Plant physiology

authors： Chakraborty N,Tripathy BC

更新日期：1992-01-01 00:00:00

abstract：:Tonoplast-enriched membranes were prepared from maize (Zea mays L. cv LG 11) primary roots, using sucrose nonlinear gradients. The functional molecular size of the tonoplast ATP-and PPi-dependent proton pumps were analyzed by radiation inactivation. Glucose-6-phosphate dehydrogenase (G6PDH) was added as an internal st...

journal_title：Plant physiology

authors： Chanson A,Pilet PE

更新日期：1989-07-01 00:00:00

abstract：:The level of gibberellin(GA)-like material in cotyledons of soybean (Glycine max L.) was highest at mid-pod fill-about 10 nanograms GA(3) equivalents per gram fresh weight of tissue, assayed in the immersion dwarf rice bioassay. This amount is about 1000-fold less than levels in Pisum and Phaseolus seed, other legume ...

journal_title：Plant physiology

authors： Birnberg PR,Brenner ML,Mardaus MC,Abe H,Pharis RP

更新日期：1986-09-01 00:00:00