Functional Characterization and Partial Purification of the Ubiquinol-Cytochrome c Oxidoreductase from Higher Plant Mitochondria (Helianthus tuberosus).

abstract：:Previously we showed that acid invertase activity increased and then decreased rapidly in wounded sweet potato (Ipomoea batatas Liam.) root tissue, and that the tissue contained a heat-stable, proteinaceous inhibitor with a molecular weight of about 19,500 daltons.In response to wounding of sweet potato root tissue, i...

journal_title：Plant physiology

authors： Matsushita K,Uritani I

更新日期：1977-05-01 00:00:00

abstract：:In the interaction between Arabidopsis (Arabidopsis thaliana) and the generalist herbivorous insect Spodoptera littoralis, little is known about early events in defense signaling and their link to downstream phytohormone pathways. S. littoralis oral secretions induced both Ca²⁺ and phytohormone elevation in Arabidopsi...

journal_title：Plant physiology

authors： Vadassery J,Reichelt M,Hause B,Gershenzon J,Boland W,Mithöfer A

更新日期：2012-07-01 00:00:00

abstract：:The vascular cambium produces secondary xylem and phloem in plants and is responsible for wood formation in forest trees. In this study we used a microscale mass-spectrometry technique coupled with cryosectioning to visualize the radial concentration gradient of endogenous indole-3-acetic acid (IAA) across the cambial...

journal_title：Plant physiology

authors： Uggla C,Mellerowicz EJ,Sundberg B

更新日期：1998-05-01 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：:This work was undertaken in an effort to reconcile the conflicting proline-accumulating responses of the barley (Hordeum vulgare L.) cultivars, Excelsior and Proctor, reported by Singh et al. (1972) and Hanson et al. (1976). It deals with the effects of different vapor pressure deficits (VPD) during growth and subsequ...

journal_title：Plant physiology

authors： Naidu BP,Aspinall D,Paleg LG

更新日期：1992-02-01 00:00:00

abstract：:Nep1 is an extracellular fungal protein that causes necrosis when applied to many dicotyledonous plants, including invasive weed species. Using transmission electron microscopy, it was determined that application of Nep1 (1.0 micro g mL(-)(1), 0.1% [v/v] Silwet-L77) to Arabidopsis and two invasive weed species, spotte...

journal_title：Plant physiology

authors： Keates SE,Kostman TA,Anderson JD,Bailey BA

更新日期：2003-07-01 00:00:00

abstract：:Indoleacetic acid oxidase in tobacco callus tissues (Nicotiana tabacum L., cultivar White Gold) was resolved into seven anionic isoenzymes by polyacrylamide gel disc electrophoresis. Different concentrations of kinetin and zeatin in the presence of indoleacetic acid affected the level of this enzyme, particularly two ...

journal_title：Plant physiology

authors： Lee TT

更新日期：1971-02-01 00:00:00

abstract：:Chloroplast thylakoid protein phosphatase activity was measured using (32)P-labeled histone as an exogenous substrate and an assay of the (32)Pi released involving formation of a phosphomolybdate complex and organic extraction. The activity was liberated from wheat (Triticum aestivum) thylakoids by washing the membran...

journal_title：Plant physiology

authors： Sun G,Bailey D,Jones MW,Markwell J

更新日期：1989-01-01 00:00:00

abstract：:The (13)C nuclear magnetic resonance spectra of sucrose extracted from intact soybean and corn leaves labeled with (13)CO(2) for 5 to 180 minutes have been obtained at 22.6 megahertz. The spectra provide a direct determination of the relative concentrations of (12)C-(13)C and (13)C-(13)C pairs of carbons in the labele...

journal_title：Plant physiology

authors： Schaefer J,Kier LD,Stejskal EO

更新日期：1980-02-01 00:00:00

abstract：:Changes in the levels of the four subunits of the mitochondrial enzyme glycine decarboxylase (EC 2.1.2.10) have been investigated during development in the 8 day old primary leaf of wheat (Triticum aestivum L.). Proteins were extracted from wheat leaf sections between the basal meristem and 8.5 centimeters. The indivi...

journal_title：Plant physiology

authors： Rogers WJ,Jordan BR,Rawsthorne S,Tobin AK

更新日期：1991-07-01 00:00:00

abstract：:PIB-type ATPases transport heavy metal ions (Cu+, Cu2+, Zn2+, Cd2+, Co2+, etc.) across biological membranes. Several members of this subfamily are present in plants. Higher plants are the only eukaryotes where putative Zn(2+)-ATPases have been identified. We have cloned HMA2, a PIB-ATPase present in Arabidopsis (Arabi...

journal_title：Plant physiology

authors： Eren E,Argüello JM

更新日期：2004-11-01 00:00:00

abstract：:The long-day plant Arabidopsis thaliana (L.) Heynh. flowers early in response to brief end-of-day (EOD) exposures to far-red light (FR) following a fluorescent short day of 8 h. FR promotion of flowering was nullified by subsequent brief red light (R) EOD exposure, indicating phytochrome involvement. The EOD response ...

journal_title：Plant physiology

authors： Bagnall DJ,King RW,Whitelam GC,Boylan MT,Wagner D,Quail PH

更新日期：1995-08-01 00:00:00

abstract：:We have investigated the involvement of phytochrome B in the early-flowering response of Arabidopsis thaliana L. seedlings to low red:far-red (R/FR) ratio light conditions. The phytochrome B-deficient hy3 (phyB) mutant is early flowering, and in this regard it resembles the shade-avoidance phenotype of its isogenic wi...

journal_title：Plant physiology

authors： Halliday KJ,Koornneef M,Whitelam GC

更新日期：1994-04-01 00:00:00

abstract：:The active transport of CO(2) in the cyanobacterium Synechococcus UTEX 625 was inhibited by H(2)S. Treatment of the cells with up to 150 micromolar H(2)S + HS(-) at pH 8.0 had little effect on Na(+)-dependent HCO(3) (-) transport or photosynthetic O(2) evolution, but CO(2) transport was inhibited by more than 90%. CO(...

journal_title：Plant physiology

authors： Espie GS,Miller AG,Canvin DT

更新日期：1989-09-01 00:00:00

abstract：:Spinach leaf chloroplasts isolated in isotonic media (330 millimolar sorbitol, -1.0 megapascals osmotic potential) had optimum rates of photosynthesis when assayed at -1.0 megapascals. When chloroplasts were isolated in hypertonic media (720 millimolar sorbitol, -2.0 megapascals osmotic potential) the optimum osmotic ...

journal_title：Plant physiology

authors： Robinson SP

更新日期：1985-12-01 00:00:00

abstract：:The gross tissue distribution, intracellular fate, and chemical behavior of Ni(2+) in soybean plants (Glycine max cv. Williams) were investigated. Following root absorption, Ni was highly mobile in the plant, with leaves being the major sink in the shoots for Ni during vegetative growth. A senescence >70% of the Ni pr...

journal_title：Plant physiology

authors： Cataldo DA,Garland TR,Wildung RE

更新日期：1978-10-01 00:00:00

abstract：:Cuticular waxes are complex mixtures of very-long-chain fatty acids (VLCFAs) and their derivatives, forming a natural barrier on aerial surfaces of terrestrial plants against biotic and abiotic stresses. In VLCFA biosynthesis, β-ketoacyl-CoA synthase (KCS) is the key enzyme, catalyzing the first reaction in fatty acid...

journal_title：Plant physiology

authors： Wang X,Guan Y,Zhang D,Dong X,Tian L,Qu LQ

更新日期：2017-02-01 00:00:00

abstract：:Tobacco (Nicotiana tabacum) genes regulated during the early stage of responses to wounding were screened by a modified fluorescence differential display method. Among 28 genes initially identified, a particular clone designated NtC7 was subjected to further analysis. Its transcripts were found to accumulate rapidly a...

journal_title：Plant physiology

authors： Tamura T,Hara K,Yamaguchi Y,Koizumi N,Sano H

更新日期：2003-02-01 00:00:00

abstract：:Kinetic characteristics of phosphoenolpyruvate carboxylase (PEPC) from the epiphytic C(3) or C(4): CAM intermediate plant, Peperomia camptotricha, were investigated. Few day versus night differences in V(max),K(m(PEP))), or malate inhibition were observed, even in extracts from water-stressed plants which characterist...

journal_title：Plant physiology

authors： Sipes DL,Ting IP

更新日期：1989-11-01 00:00:00

abstract：:Excised juvenile leaves of Microgramma vacciniifolia (Polypodiaceae) develop sporophytic regenerants when grown on mineral agar with sucrose. The ratio of sporophytes to gametophytes produced from the leaf tissue increases with higher percentages of sucrose such that at 4% sucrose, the induction of aposporous gametoph...

journal_title：Plant physiology

authors： Hirsch AM

更新日期：1975-09-01 00:00:00

abstract：:A proteinase present in intercellular wash fluids from leaves of Glycine max has been purified 600-fold to electrophoretic homogeneity. The native protein is monomeric with a molecular mass of 60 kD, as estimated by denaturing gel electrophoresis, and has an isoelectric point of 7.7. The enzyme has a pH optimum of 9.5...

journal_title：Plant physiology

authors： Huangpu J,Graham JS

更新日期：1995-07-01 00:00:00

abstract：:Germination of embryonic axes from dormant grain is inhibited by low concentrations of abscisic acid (ABA) compared with axes from nondormant grain. Incubation of dormant grain axes in 0.05 to 50 micromolar ABA caused the prolonged synthesis of a set of heat-stable proteins. Two of these proteins were identified as de...

journal_title：Plant physiology

authors： Ried JL,Walker-Simmons MK

更新日期：1990-06-01 00:00:00

abstract：:A cell line of Eschscholtzia californica selected for meta-fluorotyrosine (MFT) tolerance was found to have 10-fold increased levels of phenylalanine and tyrosine compared to the parent line, while most other amino acids were only increased 2-fold. Tracer experiments with shikimic acid in the presence of MFT showed th...

journal_title：Plant physiology

authors： Berlin J,van Huystee RB,Witte L,Bender J,Jäger HJ,Wray V

更新日期：1989-04-01 00:00:00

abstract：:The sterol composition of C. ellipsoidea was markedly changed when this alga was grown in the presence of 1 mug/g triparanol. Triparanol appears to inhibit the removal of 14alpha-methyl group, the second alkylation at C-24, Delta(7)-reductase, and Delta(8) --> Delta(7)-isomerase. The effect of triparanol in Chlorella ...

journal_title：Plant physiology

authors： Chan JT,Patterson GW

更新日期：1973-09-01 00:00:00

abstract：:We used pulsed-field gel electrophoresis and restriction fragment mapping to analyze the structure of Medicago truncatula chloroplast DNA (cpDNA). We find most cpDNA in genome-sized linear molecules, head-to-tail genomic concatemers, and complex branched forms with ends at defined sites rather than at random sites as ...

journal_title：Plant physiology

authors： Shaver JM,Oldenburg DJ,Bendich AJ

更新日期：2008-03-01 00:00:00

abstract：:In comparison with other cell organelles, the Dunaliella salina plasma membrane was found to be highly enriched in phospholipase C activity toward exogenous [(3)H]phosphatidylinositol 4,5-bisphosphate (PIP(2)). Based on release of [(3)H]inositol phosphates, the plasma membrane exhibited a PIP(2)-phospholipase C activi...

journal_title：Plant physiology

authors： Einspahr KJ,Peeler TC,Thompson GA

更新日期：1989-07-01 00:00:00

abstract：:Although a number of plant natural products are derived from benzoic acid, the biosynthesis of this structurally simple precursor is poorly understood. Hypericum calycinum cell cultures accumulate a benzoic acid-derived xanthone phytoalexin, hyperxanthone E, in response to elicitor treatment. Using a subtracted comple...

journal_title：Plant physiology

authors： Gaid MM,Sircar D,Müller A,Beuerle T,Liu B,Ernst L,Hänsch R,Beerhues L

更新日期：2012-11-01 00:00:00

abstract：:We have previously described the construction and expression of a chimeric gene that allows developmentally regulated expression of tomato (Lycopersicon esculentum) polygalacturonase in ripening-impaired, mutant (rin) tomato fruit (JJ Giovannoni, D DellaPenna, AB Bennett, RL Fischer [1989] The Plant Cell 1: 53-63). We...

journal_title：Plant physiology

authors： Dellapenna D,Lashbrook CC,Toenjes K,Giovannoni JJ,Fischer RL,Bennett AB

更新日期：1990-12-01 00:00:00

abstract：:Among the four uppermost leaves of greenhouse-grown plants of Xanthium strumarium L. the content of abscisic acid per unit fresh or dry weight was highest in the youngest leaf and decreased gradually with increasing age of the leaves. Expressed per leaf, the second youngest leaf was richest in ABA; the amount of ABA p...

journal_title：Plant physiology

authors： Raschke K,Zeevaart JA

更新日期：1976-08-01 00:00:00

abstract：:FLOWERING LOCUS C (FLC) is a key repressor of flowering in Arabidopsis (Arabidopsis thaliana) and is regulated, both positively and negatively, by posttranslational histone modifications. For example, vernalization (the promotion of flowering by cold temperatures) epigenetically silences FLC expression through repress...

journal_title：Plant physiology

authors： Yu X,Michaels SD

更新日期：2010-07-01 00:00:00