Deficiency of a plastidial adenylate kinase in Arabidopsis results in elevated photosynthetic amino acid biosynthesis and enhanced growth.

abstract：:The pyruvate dehydrogenase complex has been purified 76-fold, to a specific activity of 0.6 mumoles per minute per milligram protein, beginning with isolated pea (Pisum sativum L. var Little Marvel) chloroplasts. Purification was accomplished by rate zonal sedimentation, polyethyleneglycol precipitation, and ethyl-aga...

journal_title：Plant physiology

authors： Camp PJ,Randall DD

更新日期：1985-03-01 00:00:00

abstract：:Pulvinar motor tissues of Samanea saman are often excised for in vitro studies of ion transport. Because ion transport may be regulated in part by hydrostatic pressure (P), this study explores how P and water potential (Psi) change when motor tissues are excised. Water potential (Psi) of excised extensor and flexor ti...

journal_title：Plant physiology

authors： Gorton HL

更新日期：1987-04-01 00:00:00

abstract：:Seeds of paper birch (Betula papyrifera Marsh.) were induced to germinate by prechilling at 3 C or by red light. The light requirement was mediated by phytochrome and the action of phytochrome during prechilling was investigated. Red irradiation (R) prior to prechilling markedly enhanced the effectiveness of the prech...

journal_title：Plant physiology

authors： Bevington JM

更新日期：1981-04-01 00:00:00

abstract：:Of the eight intermediates associated with the two pathways of UDP-d-glucuronic acid biosynthesis found in plants, only d-glucuronic acid inhibited myo-inositol 1-phosphate synthase (EC 5.5.1.4), formerly referred to as d-glucose 6-phosphate cycloaldolase. Inhibition was competitive. An attempt to demonstrate over-all...

journal_title：Plant physiology

authors： Loewus MW,Loewus F

更新日期：1974-09-01 00:00:00

abstract：:Tonoplast vesicles were purified from a microsomal fraction isolated from etiolated soybean hypocotyls (Glycine max L.) by preparative free-flow electrophoresis. Marker enzyme determinations and immunoblot analysis against the vacuolar-ATPase confirmed the nature and the purity of the isolated membranes. A purified to...

journal_title：Plant physiology

authors： Canut H,Brightman A,Boudet AM,Morré DJ

更新日期：1990-11-01 00:00:00

abstract：:Previous work (D.P. Delmer, J. Pear, A. Andrawis, D. Stalker [1995] Mol Gen Genet 248: 43-51) has identified a gene in cotton (Gossypium hirsutum), Rac13, that encodes a small, signal-transducing GTPase and shows high expression in the fiber at the time of transition from primary to secondary wall synthesis. Since Rac...

journal_title：Plant physiology

authors： Trainin T,Shmuel M,Delmer DP

更新日期：1996-12-01 00:00:00

abstract：:Vanadate (Na(3)VO(4)) selectively and reversibly affects the rhythmic movement of Albizzia julibrissin leaflets. Leaflets floated on 1 millimolar vanadate open at the same rate or more rapidly than controls, but closure is inhibited. After 6 to 24 hours incubation, the inhibition can be reversed by a 24-to 48-hour per...

journal_title：Plant physiology

authors： Saxe H,Satter RL

更新日期：1979-11-01 00:00:00

abstract：:We understand few details about how the arrangement and interactions of cell wall polymers produce the mechanical properties of primary cell walls. Consequently, we cannot quantitatively assess if proposed wall structures are mechanically reasonable or assess the effectiveness of proposed mechanisms to change mechanic...

journal_title：Plant physiology

authors： Kha H,Tuble SC,Kalyanasundaram S,Williamson RE

更新日期：2010-02-01 00:00:00

abstract：:Nitrogenase (EC 1.7.99.2) activity (acetylene reduction) and nitrogen fixation ((15)N(2) fixation) were measured in cyanobacteria freshly isolated from the coralloid roots of Macrozamia riedlei (Fisch. ex Gaud.) Gardn. Light and gas phase oxygen concentration had marked interactive effects on activity, with higher (up...

journal_title：Plant physiology

authors： Lindblad P,Atkins CA,Pate JS

更新日期：1991-03-01 00:00:00

abstract：:Auxin biosynthesis was analyzed in a maize (Zea mays) kernel culture system in which the seeds develop under physiological conditions similar to the in vivo situation. This system was modified for precursor feeding experiments. Tryptophan (Trp) is efficiently incorporated into indole-3-acetic acid (IAA) with retention...

journal_title：Plant physiology

authors： Glawischnig E,Tomas A,Eisenreich W,Spiteller P,Bacher A,Gierl A

更新日期：2000-07-01 00:00:00

abstract：:To test the hypothesis that multiple integrated root phenotypes would co-optimize drought tolerance, we phenotyped the root anatomy and architecture of 400 mature maize (Zea mays) genotypes under well-watered and water-stressed conditions in the field. We found substantial variation in all 23 root phenes measured. A p...

journal_title：Plant physiology

authors： Klein SP,Schneider HM,Perkins AC,Brown KM,Lynch JP

更新日期：2020-07-01 00:00:00

abstract：:All mutants at 3 loci in Arabidopsis thaliana (L.) Heynh., a higher plant, that are associated with the synthesis or coupling of the thiazole moiety of thiamine are susceptible to reversible glucose inhibition. In contrast, several different alleles involved in the synthesis of the pyrimidine moiety of the vitamin are...

journal_title：Plant physiology

authors： Li SL,Redei GP

更新日期：1969-02-01 00:00:00

abstract：:Histone H2B monoubiquitination (H2Bub1) plays critical roles in regulating growth and development as well as stress responses in Arabidopsis (Arabidopsis thaliana). In this study, we used wild-type and HUB1 and HUB2 loss-of-function Arabidopsis plants to elucidate the mechanisms involved in the regulation of the plant...

journal_title：Plant physiology

authors： Zhao J,Chen Q,Zhou S,Sun Y,Li X,Li Y

更新日期：2020-01-01 00:00:00

abstract：:Understanding the relationship of the size and shape of an organism to the size, shape, and number of its constituent cells is a basic problem in biology; however, numerous studies indicate that the relationship is complex and often nonintuitive. To investigate this problem, we used a system for the inducible expressi...

journal_title：Plant physiology

authors： Kuwabara A,Backhaus A,Malinowski R,Bauch M,Hunt L,Nagata T,Monk N,Sanguinetti G,Fleming A

更新日期：2011-08-01 00:00:00

abstract：:Soybean (Glycine max) nodules formed by inoculation with either an effective strain or an ineffective (noninvasive, nodule-forming) strain of Bradyrhizobium japonicum were assayed for changes in developmental patterns of carbon metabolic enzymes of the plant nodule cells. Of the enzyme activities measured, only sucros...

journal_title：Plant physiology

authors： Anthon GE,Emerich DW

更新日期：1990-02-01 00:00:00

abstract：:Ascorbic acid is synthesized from galactono-gamma-lactone (GL) in plant tissues. An improved extraction procedure involving ammonium sulfate precipitation of membrane proteins from crude leaf homogenates yielded a simple, quick method for determining tissue activities of galactono-gamma-lactone dehydrogenase (GLDH). T...

journal_title：Plant physiology

authors： Bartoli CG,Pastori GM,Foyer CH

更新日期：2000-05-01 00:00:00

abstract：:Allene oxide synthase (AOS; hydroperoxide dehydratase; EC 4.2.1.92) catalyzes the first step in the biosynthesis of jasmonic acid from lipoxygenase-derived hydroperoxides of free fatty acids. Using the AOS cDNA from tomato (Lycopersicon esculentum), in which the role of jasmonic acid in wound-induced defense gene acti...

journal_title：Plant physiology

authors： Sivasankar S,Sheldrick B,Rothstein SJ

更新日期：2000-04-01 00:00:00

abstract：:Barley (Hordeum vulgare L. cv Halcyon) seedlings which had been grown in full strength complete inorganic nutrient media (containing 6 millimolar K(+)) had high internal K(+) concentrations and low values of K(+) ((86)Rb(+)) influx when influx was measured from solutions containing 100 micromolar K(+). Transfer of the...

journal_title：Plant physiology

authors： Fernando M,Kulpa J,Siddiqi MY,Glass AD

更新日期：1990-04-01 00:00:00

abstract：:alpha-Amylase activity increased in attached cotyledons of germinated Vigna mungo seeds until the 5th day after imbibition and decreased thereafter, whereas in detached and incubated cotyledons the activity continuously increased and, at the 6th day, reached the value more than three times that of the maximum activity...

journal_title：Plant physiology

authors： Koshiba T,Minamikawa T

更新日期：1983-01-01 00:00:00

abstract：:Lipase (triacylglycerol acylhydrolase [EC 3.1.1.3.]) was extracted from the microsomal fraction of cotyledons of dark grown seedlings of Canola (Brassica napus L. cv Westar) by treatment with Triton X-100. The enzyme was partially purified by chromatography on Sephacryl S-300 and DEAE Bio-Gel and was stable when store...

journal_title：Plant physiology

authors： Weselake RJ,Thomson LW,Tenaschuk D,Mackenzie SL

更新日期：1989-12-01 00:00:00

abstract：:Oilseed plants like Arabidopsis (Arabidopsis thaliana) develop green photosynthetically active embryos. Upon seed maturation, the embryonic chloroplasts degenerate into a highly reduced plastid type called the eoplast. Upon germination, eoplasts redifferentiate into chloroplasts and other plastid types. Here, we descr...

journal_title：Plant physiology

authors： Ruppel NJ,Logsdon CA,Whippo CW,Inoue K,Hangarter RP

更新日期：2011-01-01 00:00:00

abstract：:As a result of the phenylpropanoid pathway, many Brassicaceae produce considerable amounts of soluble hydroxycinnamate conjugates, mainly sinapate esters. From oilseed rape (Brassica napus), we cloned two orthologs of the Arabidopsis (Arabidopsis thaliana) gene reduced epidermal fluorescence1 (REF1) encoding a conifer...

journal_title：Plant physiology

authors： Mittasch J,Böttcher C,Frolov A,Strack D,Milkowski C

更新日期：2013-04-01 00:00:00

abstract：:DEAD-box RNA helicases (DBRHs) modulate RNA secondary structure, allowing RNA molecules to adopt the conformations required for interaction with their target proteins. RH50 is a chloroplast-located DBRH that colocalizes and is coexpressed with GUN1, a central factor in chloroplast-to-nucleus signaling. When combined w...

journal_title：Plant physiology

authors： Paieri F,Tadini L,Manavski N,Kleine T,Ferrari R,Morandini P,Pesaresi P,Meurer J,Leister D

更新日期：2018-01-01 00:00:00

abstract：:A beta-d-glucanase highly specific for glucans containing a linkage sequence ... Glc 1 --> 4 Glc 1 --> 3 Glc 1 --> 4 Glc ... has been isolated from several commercial preparations of Bacillus subtilis alpha-amylase including one purified by repeated crystallization. The beta-d-glucanase will not hydrolyze cellulose or...

journal_title：Plant physiology

authors： Huber DJ,Nevins DJ

更新日期：1977-08-01 00:00:00

abstract：:The aim of this work was to investigate starch granule numbers in Arabidopsis (Arabidopsis thaliana) leaves. Lack of quantitative information on the extent of genetic, temporal, developmental, and environmental variation in granule numbers is an important limitation in understanding control of starch degradation and t...

journal_title：Plant physiology

authors： Crumpton-Taylor M,Grandison S,Png KM,Bushby AJ,Smith AM

更新日期：2012-02-01 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：:High temperature promotes guard cell expansion, which opens stomatal pores to facilitate leaf cooling. How the high-temperature signal is perceived and transmitted to regulate stomatal aperture is, however, unknown. Here, we used a reverse-genetics approach to understand high temperature-mediated stomatal opening in A...

journal_title：Plant physiology

authors： Kostaki KI,Coupel-Ledru A,Bonnell VC,Gustavsson M,Sun P,McLaughlin FJ,Fraser DP,McLachlan DH,Hetherington AM,Dodd AN,Franklin KA

更新日期：2020-03-01 00:00:00

abstract：:A novel mutant of Arabidopsis (Arabidopsis thaliana), having highly glossy inflorescence stems, postgenital fusion in floral organs, and reduced fertility, was isolated from an ethyl methanesulfonate-mutagenized population and designated glossyhead1 (gsd1). The gsd1 locus was mapped to chromosome 1, and the causal gen...

journal_title：Plant physiology

authors： Lü S,Zhao H,Parsons EP,Xu C,Kosma DK,Xu X,Chao D,Lohrey G,Bangarusamy DK,Wang G,Bressan RA,Jenks MA

更新日期：2011-11-01 00:00:00

abstract：:Hydrogen-1 nuclear magnetic resonance spectroscopy was used to study water allocation in cell compartments of sun and shade leaves. NMR spectra of Acer platanoides were resolved into two peaks that were assigned to chloroplast and nonchloroplast water. Sun leaves contained 1.7 times more water per unit area of surface...

journal_title：Plant physiology

authors： McCain DC,Croxdale J,Markley JL

更新日期：1988-01-01 00:00:00

abstract：:The mechanism of chilling resistance was investigated in 4-week-old plants of the chilling-sensitive cultivated tomato, Lycopersicon esculentum Mill. cv H722, and rooted cuttings of its chilling-resistant wild relative, L. hirsutum Humb. and Bonpl., which were chilled for 3 days at 2 degrees C with a 14-hour photoperi...

journal_title：Plant physiology

authors： Walker MA,McKersie BD,Pauls KP

更新日期：1991-10-01 00:00:00