In Vivo and in Vitro Studies of Glucose-6-Phosphate Dehydrogenase from Barley Root Plastids in Relation to Reductant Supply for NO2- Assimilation.

abstract：:A novel flavonol-specific sulfotransferase was partially purified from the shoot tips of Flaveria bidentis var. Angustifolia O.K. (Asteraceae) by chromatography on 3'-phosphoadenosine 5'-phosphate-agarose affinity column and chromatofocusing on Mono P. The latter step resulted in the separation of two isoforms, both o...

journal_title：Plant physiology

authors： Varin L,Ibrahim RK

更新日期：1991-04-01 00:00:00

abstract：:We have defined a minimal Arabidopsis CATALASE 3 (CAT3) promoter sufficient to drive evening-specific circadian transcription of a LUCIFERASE reporter gene. Deletion analysis and site-directed mutagenesis reveal a circadian response element, the evening element (EE: AAAATATCT), that is necessary for evening-specific t...

journal_title：Plant physiology

authors： Michael TP,McClung CR

更新日期：2002-10-01 00:00:00

abstract：:Proplastids and prolamellar bodies with tubular membranes were isolated from the dark grown primary leaves of bean seedlings (Phaseolus vulgaris L.). The combination of fluorescence microscopy and negative contrast electron microscopy provided the tentative identification of protochlorophyll holochrome as a constituen...

journal_title：Plant physiology

authors： Kahn A

更新日期：1968-11-01 00:00:00

abstract：:When air-dry urediospores of the wheat stem rust, Puccinia graminis f. sp. tritici, are exposed to temperatures below freezing, their germinability is markedly reduced, even after prolonged thawing at room temperature. Germinability is fully restored by a brief heat-shock or by vapor phase hydration. We have found tha...

journal_title：Plant physiology

authors： Maheshwari R,Sussman AS

更新日期：1971-02-01 00:00:00

abstract：:Phosphorus (P) is an essential macronutrient, and P deficiency limits plant productivity. Recent work showed that P deficiency affects electron transport to photosystem I (PSI), but the underlying mechanisms are unknown. Here, we present a comprehensive biological model describing how P deficiency disrupts the photosy...

journal_title：Plant physiology

authors： Carstensen A,Herdean A,Schmidt SB,Sharma A,Spetea C,Pribil M,Husted S

更新日期：2018-05-01 00:00:00

abstract：:Signal recognition by seven-transmembrane (7TM) cell-surface receptors is typically coupled by heterotrimeric G-proteins to downstream effectors in metazoan, fungal, and amoeboid cells. Some responses perceived by 7TM receptors in amoeboid cells and possibly in human cells can initiate downstream action independently ...

journal_title：Plant physiology

authors： Chen JG,Pandey S,Huang J,Alonso JM,Ecker JR,Assmann SM,Jones AM

更新日期：2004-06-01 00:00:00

abstract：:We report the molecular characterization and functional analysis of a gene (PsdeltaOAT) from Scots pine (Pinus sylvestris) encoding Orn-delta-aminotransferase (delta-OAT; EC 2.6.1.13), an enzyme of arginine metabolism. The deduced amino acid sequence contains a putative N-terminal signal peptide for mitochondrial targ...

journal_title：Plant physiology

authors： Cañas RA,Villalobos DP,Díaz-Moreno SM,Cánovas FM,Cantón FR

更新日期：2008-09-01 00:00:00

abstract：:The Dof (DNA binding with one finger) transcriptional activator rice (Oryza sativa) prolamin box binding factor (RPBF), which is involved in gene regulation of rice seed storage proteins, has been isolated from rice cDNA expressed sequence tag clones containing the conserved Dof. RPBF is found as a single gene per hap...

journal_title：Plant physiology

authors： Yamamoto MP,Onodera Y,Touno SM,Takaiwa F

更新日期：2006-08-01 00:00:00

abstract：:Cyanobacteria experience drastic changes in their carbon metabolism under daily light/dark cycles. During the day, the Calvin-Benson cycle fixes CO2 and diverts excess carbon into glycogen storage. At night, glycogen is degraded to support cellular respiration. The dark/light transition represents a universal environm...

journal_title：Plant physiology

authors： Shinde S,Zhang X,Singapuri SP,Kalra I,Liu X,Morgan-Kiss RM,Wang X

更新日期：2020-01-01 00:00:00

abstract：:Enzymes dissociated from corn (hybrid B73 x Mo17) seedling cell walls by solutions of high ionic strength possess the capacity to degrade Avena caryopsis glucan. Inhibitor studies disclosed that both endo- and exoenzyme activities were involved and that the reaction sequence paralleled the autolytic solubilization of ...

journal_title：Plant physiology

authors： Huber DJ,Nevins DJ

更新日期：1980-05-01 00:00:00

abstract：:A theory is presented to explain the phloem mobility of certain systemic xenobiotics that are not weak acids. It is shown that there is a theoretically optimum permeability that permits optimum circulation through the symplasm and apoplast (including the phloem and xylem) of Solanum tuberosum plants. The optimum perme...

journal_title：Plant physiology

authors： Tyree MT

更新日期：1979-02-01 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：:We compared nodule initiation in lateral roots of Pisum sativum (L.) cv Sparkle and in a low-nodulating mutant E2 (sym 5). In Sparkle, about 25% of the infections terminated in the epidermis, a similar number stopped in the cortex, and 50% resulted in the formation of a nodule meristem or an emerged nodule. The mutant...

journal_title：Plant physiology

authors： Guinel FC,Larue TA

更新日期：1991-11-01 00:00:00

abstract：:Using arrays of resistors and capacitors, a lumped circuit analog of plant tissue is developed. The circuit elements of the analog are identified in terms of physiological variables (hydraulic conductivities, water capacities, and cell dimensions) which can be measured in the laboratory. With the aid of a circuit simu...

journal_title：Plant physiology

authors： Molz FJ,Kerns DV,Peterson CM,Dane JH

更新日期：1979-11-01 00:00:00

abstract：:Saltcedar (Tamarix pentandra Pall.) stem cuttings responded vegetatively to various photoperiods of 11-, 14-, 17-, and 8 + 1-hour duration. Total stem length, average stem length, cuticle thickness, and xylem vessel member outside diameter were significantly maximal under a 14-hour photoperiod and less under photoperi...

journal_title：Plant physiology

authors： Wilkinson RE

更新日期：1966-02-01 00:00:00

abstract：:The nitrite-reducing activity of the normal susceptible biotype of lambsquarters (Chenopodium album L.) was strongly inhibited by atrazine in the assay medium, both in the case of the in vivo assays of leaf discs in light, and in vitro photoreduction assays of crude extracts. In vitro assays of crude extracts with met...

journal_title：Plant physiology

authors： Lawrence JM,Foster RJ,Herrick HE

更新日期：1980-05-01 00:00:00

abstract：:The absorption characteristics of Cd(2+) by 10- to 12-day-old soybean plants (Glycine max cv Williams) were investigated with respect to influence of Cd concentration on adsorption to root surfaces, root absorption, transport kinetics and interaction with the nutrient cations Cu(2+), Fe(2+), Mn(2+), and Zn(2+). The fr...

journal_title：Plant physiology

authors： Cataldo DA,Garland TR,Wildung RE

更新日期：1983-11-01 00:00:00

abstract：:Five recombinant inbred lines (RILs) of Arabidopsis (Arabidopsis thaliana), previously selected from the Bay-0 x Shahdara RIL population on the basis of differential leaf senescence phenotypes (from early senescing to late senescing) when cultivated under nitrogen (N)-limiting conditions, were analyzed to monitor meta...

journal_title：Plant physiology

authors： Diaz C,Lemaître T,Christ A,Azzopardi M,Kato Y,Sato F,Morot-Gaudry JF,Le Dily F,Masclaux-Daubresse C

更新日期：2008-07-01 00:00:00

abstract：:Two-dimensional electrophoresis was performed on proteins of bundle sheath and mesophyll cells isolated from the C(4) grass Digitaria sanguinalis (L.) Scop. Two-dimensional maps of these proteins were constructed and ribulose-1,5-biphosphate carboxylase and phosphoenolpyruvate carboxylase were identified. Of the total...

journal_title：Plant physiology

authors： Harrison PA,Black CC

更新日期：1982-11-01 00:00:00

abstract：:Genotypic variability in vulnerability of leaf xylem to water-stress-induced cavitation was determined in four sugarcane (Saccharum sp.) clones using detached leaf segments in a hydraulic conductivity apparatus. Vulnerability curves were constructed by plotting the percentage of maximum conductivity versus leaf water ...

journal_title：Plant physiology

authors： Neufeld HS,Grantz DA,Meinzer FC,Goldstein G,Crisosto GM,Crisosto C

更新日期：1992-10-01 00:00:00

abstract：:Many eukaryotes have from one to three heat shock factors (Hsfs), but plants have more than 20 Hsfs, designated class A, B, and C. Class A Hsfs are activators of transcription, but details of the roles of individual Hsfs have not been fully characterized. We show here that Arabidopsis (Arabidopsis thaliana) HsfB1 and ...

journal_title：Plant physiology

authors： Ikeda M,Mitsuda N,Ohme-Takagi M

更新日期：2011-11-01 00:00:00

abstract：:Respiratory control ratios between 2.0 and 9.0 were obtained by comparison of the respiratory rates of cabbage mitochondria in the presence and in the absence of individual components of the system used to provide ADP and by comparing the rates before and after exhaustion of added ADP. These results indicate that resp...

journal_title：Plant physiology

authors： Lotlikar PD,Remmert LF

更新日期：1968-03-01 00:00:00

abstract：:The rates of CO(2) exchange and (14)CO(2) incorporation in the light and dark and the activities of several photosynthetic, photorespiratory, and respiratory enzymes of soybean (Glycine max [L.] Merr. cv. Wye) reproductive structures were determined at weekly intervals from anthesis to pod maturity. At all stages of p...

journal_title：Plant physiology

authors： Quebedeaux B,Chollet R

更新日期：1975-04-01 00:00:00

abstract：:Despite ongoing research on carotenoid biosynthesis in model organisms, there is a paucity of information on pathway regulation operating in the grasses (Poaceae), which include plants of world-wide agronomic importance. As a result, efforts to either breed for or metabolically engineer improvements in carotenoid cont...

journal_title：Plant physiology

authors： Gallagher CE,Matthews PD,Li F,Wurtzel ET

更新日期：2004-07-01 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 mechanism of sucrose transport into vacuoles isolated from leaf tissue has been studied only in barley (Hordeum vulgare) mesophyll cells. In this tissue, sucrose transport was reported to be a facilitated diffusion. We have observed a facilitated diffusion of sucrose into vacuoles isolated from this tissue. Howeve...

journal_title：Plant physiology

authors： De Leon JL,Daie J,Wyse R

更新日期：1988-10-01 00:00:00

abstract：:The pool sizes of free l-phenylalanine and l-tyrosine, the precursors of rosmarinic acid in Anchusa officinalis L. cell suspension cultures, fluctuated during the culture cycle. The major increase in pool sizes was preceded by a peak of prephenate aminotransferase activity, while the subsequent decrease coincided with...

journal_title：Plant physiology

authors： De-Eknamkul W,Ellis BE

更新日期：1989-02-01 00:00:00

abstract：:Zygotes represent an important stage in the sexual cycle of the unicellular green alga Chlamydomonas reinhardtii. To study zygote germination at a molecular level, a protocol was elaborated for the generation of zygotes in large quantities and a method was developed for the extraction from zygotes of RNA that could be...

journal_title：Plant physiology

authors： Wegener D,Treier U,Beck CF

更新日期：1989-06-01 00:00:00

abstract：:In Zea mays L., addition of glucose to the induction medium has no effect on the induction of nitrate reductase during the initial 3 hours either in root tips (0-10 mm) or mature root sections (25-35 mm). With longer times, higher levels of enzyme activity are recovered from both root segments when glucose is present ...

journal_title：Plant physiology

authors： Aslam M,Oaks A

更新日期：1975-11-01 00:00:00

abstract：:Cinnamate-4-hydroxylase (C4H) is the first Cyt P450-dependent monooxygenase of the phenylpropanoid pathway. To study the expression of this gene in Arabidopsis thaliana, a C4H cDNA clone from the Arabidopsis expressed sequence tag database was identified and used to isolate its corresponding genomic clone. The entire ...

journal_title：Plant physiology

authors： Bell-Lelong DA,Cusumano JC,Meyer K,Chapple C

更新日期：1997-03-01 00:00:00