Effects of COR6.6 and COR15am polypeptides encoded by COR (cold-regulated) genes of Arabidopsis thaliana on dehydration-induced phase transitions of phospholipid membranes.

abstract：:The relationship between the state of oligomerization and activity of purified maize leaf phosphoenolpyruvate carboxylase using size exclusion high performance liquid chromatography was examined. Maximum activities of 35 to 38 micromoles per minute per milligram protein were found when 100% of the enzyme was in its te...

journal_title：Plant physiology

authors： Walker GH,Ku MS,Edwards GE

更新日期：1986-04-01 00:00:00

abstract：:The role of iron in regulating light harvesting and photochemical energy conversion processes was examined in the marine unicellular chlorophyte Dunaliella tertiolecta and the marine diatom Phaeodactylum tricornutum. In both species, iron limitation led to a reduction in cellular chlorophyll concentrations, but an inc...

journal_title：Plant physiology

authors： Greene RM,Geider RJ,Kolber Z,Falkowski PG

更新日期：1992-10-01 00:00:00

abstract：:When Ribulose- 1,5-bisphosphate carboxylase/oxygenase was purified from spinach leaves (Spinacia oleracea) using precipitation with polyethylene glycol and MgCl(2) followed by DEAE cellulose chromatography, 75% of phosphoribulokinase and 7% of phosphoriboisomerase activities copurified with ribulose- 1,5-bisphosphate ...

journal_title：Plant physiology

authors： Sainis JK,Merriam K,Harris GC

更新日期：1989-01-01 00:00:00

abstract：:PEX5 and PEX7 are receptors required for the import of peroxisome-bound proteins containing one of two peroxisomal targeting signals (PTS1 or PTS2). To better understand the role of PEX5 in plant peroxisomal import, we characterized the Arabidopsis (Arabidopsis thaliana) pex5-10 mutant, which has a T-DNA insertion in ...

journal_title：Plant physiology

authors： Khan BR,Zolman BK

更新日期：2010-12-01 00:00:00

abstract：:C4 photosynthesis evolved more than 60 times independently in different plant lineages. Each time, multiple genes were recruited into C4 metabolism. The corresponding promoters acquired new regulatory features such as high expression, light induction, or cell type-specific expression in mesophyll or bundle sheath cell...

journal_title：Plant physiology

authors： Heimann L,Horst I,Perduns R,Dreesen B,Offermann S,Peterhansel C

更新日期：2013-05-01 00:00:00

abstract：:To study the role of the plastidial alpha-glucan phosphorylase in starch metabolism in the leaves of Arabidopsis, two independent mutant lines containing T-DNA insertions within the phosphorylase gene were identified. Both insertions eliminate the activity of the plastidial alpha-glucan phosphorylase. Measurement of o...

journal_title：Plant physiology

authors： Zeeman SC,Thorneycroft D,Schupp N,Chapple A,Weck M,Dunstan H,Haldimann P,Bechtold N,Smith AM,Smith SM

更新日期：2004-06-01 00:00:00

abstract：:Germination of lettuce (Lactuca sativa) 'Grand Rapids' seeds is regulated by phytochrome. The action of phytochrome includes alterations in the levels of gibberellin (GA) and abscisic acid (ABA). To determine the molecular mechanism of phytochrome regulation of ABA metabolism, we isolated four lettuce cDNAs encoding 9...

journal_title：Plant physiology

authors： Sawada Y,Aoki M,Nakaminami K,Mitsuhashi W,Tatematsu K,Kushiro T,Koshiba T,Kamiya Y,Inoue Y,Nambara E,Toyomasu T

更新日期：2008-03-01 00:00:00

abstract：:To investigate the endoplasmic reticulum (ER) Ca(2+) stores in plant cells, we generated tobacco (Nicotiana tabacum; NT1) suspension cells and Arabidopsis plants with altered levels of calreticulin (CRT), an ER-localized Ca(2+)-binding protein. NT1 cells and Arabidopsis plants were transformed with a maize (Zea mays) ...

journal_title：Plant physiology

authors： Persson S,Wyatt SE,Love J,Thompson WF,Robertson D,Boss WF

更新日期：2001-07-01 00:00:00

abstract：:The development of the plant root system is highly plastic, which allows the plant to adapt to various environmental stresses. Salt stress inhibits root elongation by reducing the size of the root meristem. However, the mechanism underlying this process remains unclear. In this study, we explored whether and how auxin...

journal_title：Plant physiology

authors： Liu W,Li RJ,Han TT,Cai W,Fu ZW,Lu YT

更新日期：2015-05-01 00:00:00

abstract：:Abscisic acid (ABA), auxins, cytokinins, gibberellic acid, alone or in combination were tested for their effects on short-term sucrose uptake in sugar beet (Beta vulgaris cv USH-20) roots. The effect of ABA on active sucrose uptake varied from no effect to the more generally observed 1.4-to 3.0-fold stimulation. A rac...

journal_title：Plant physiology

authors： Saftner RA,Wyse RE

更新日期：1984-04-01 00:00:00

abstract：:Freeze-thaw events can affect plant hydraulics by inducing embolism. This study analyzed the effect of temperature during the freezing process on hydraulic conductivity and ultrasonic emissions (UE). Stems of 10 angiosperms were dehydrated to a water potential at 12% percentage loss of hydraulic conductivity (PLC) and...

journal_title：Plant physiology

authors： Charrier G,Charra-Vaskou K,Kasuga J,Cochard H,Mayr S,Améglio T

更新日期：2014-02-01 00:00:00

abstract：:Water deficit during meiosis in pollen mother cells of wheat (Triticum aestivum L.) induces male sterility, which can reduce grain set by 40 to 50%. In plants stressed during meiosis and then rewatered, division of pollen mother cells proceeds normally but subsequent pollen development is arrested 3 or 4 d later. An i...

journal_title：Plant physiology

authors： Dorion S,Lalonde S,Saini HS

更新日期：1996-05-01 00:00:00

abstract：:Photosynthetic activity and organization of chlorophyll(Chl)-protein complexes in a temperature sensitive mutant of Chlorella pyrenoidosa have been investigated. The mutant is practically indistinguishable from wild type cells when grown at 25 C. However, mutant cells grown at 33 C do not synthesize Chl and lose their...

journal_title：Plant physiology

authors： Lavintman N,Galling G,Ohad I

更新日期：1981-12-01 00:00:00

abstract：:The fate of glutamine, the major source of nitrogen supplied to the developing maize endosperm, has been examined in endosperm tissues of corn caryopsis grown under sterile conditions. In the culture system, [U-(14)C]glutamine was included in the medium or was injected directly into the endosperm. Samples were harvest...

journal_title：Plant physiology

authors： Misra S,Oaks A

更新日期：1985-03-01 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：: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：:After incubation for 1 hr with (75)Se-selenate, excised roots of Astragalus crotalariae, a selenium-accumulating species, and A. lentiginosus, a nonaccumulator, had absorbed radioactivity to levels well over the external concentration. About 98% of the radioactivity was ethanol-soluble, and when analyzed by column and...

journal_title：Plant physiology

authors： Shrift A,Ulrich JM

更新日期：1969-06-01 00:00:00

abstract：:Two types of ATP-dependent calcium (Ca(2+)) transport systems were detected in sealed microsomal vesicles from oat roots. Approximately 80% of the total Ca(2+) uptake was associated with vesicles of 1.11 grams per cubic centimeter and was insensitive to vanadate or azide, but inhibited by NO(3) (-). The remaining 20% ...

journal_title：Plant physiology

authors： Schumaker KS,Sze H

更新日期：1985-12-01 00:00:00

abstract：:Two active calcium (Ca(2+)) transport systems have been identified and partially characterized in membrane vesicles isolated from cultured carrot cells (Daucus carota Danvers). Both transport systems required MgATP for activity and were enhanced by 10 millimolar oxalate. Ca(2+) transport in membrane vesicles derived f...

journal_title：Plant physiology

authors： Bush DR,Sze H

更新日期：1986-02-01 00:00:00

abstract：:The patterns of expression for genes encoding several C4 photosynthetic enzymes were examined in light-grown and dark-grown (etiolated) cotyledons of amaranth (Amaranthus hypochondriacus), a dicotyledonous C4 plant. The large subunit and small subunit of ribulose-1,5-bisphosphate carboxylase (RuBPCase), phosphoenolpyr...

journal_title：Plant physiology

authors： Wang JL,Long JJ,Hotchkiss T,Berry JO

更新日期：1993-08-01 00:00:00

abstract：:MicroRNAs (miRNAs) are approximately 21-nucleotide-long RNAs processed from nuclear-encoded transcripts, which include a characteristic hairpin-like structure. MiRNAs control the expression of target transcripts by binding to reverse complementary sequences directing cleavage or translational inhibition of the target ...

journal_title：Plant physiology

authors： Khraiwesh B,Ossowski S,Weigel D,Reski R,Frank W

更新日期：2008-10-01 00:00:00

abstract：:Virus-induced gene silencing (VIGS) is used extensively for gene function studies in plants. VIGS is inexpensive and rapid compared with silencing conducted through stable transformation, but many virus-silencing vectors, especially in grasses, induce only transient silencing phenotypes. A major reason for transient p...

journal_title：Plant physiology

authors： Ding XS,Mannas SW,Bishop BA,Rao X,Lecoultre M,Kwon S,Nelson RS

更新日期：2018-01-01 00:00:00

abstract：:The changes in root system architecture (RSA) triggered by phosphate (P) deprivation were studied in Arabidopsis (Arabidopsis thaliana) plants grown for 14 d on 1 mM or 3 microM P. Two different temporal phases were observed in the response of RSA to low P. First, lateral root (LR) development was promoted between day...

journal_title：Plant physiology

authors： Nacry P,Canivenc G,Muller B,Azmi A,Van Onckelen H,Rossignol M,Doumas P

更新日期：2005-08-01 00:00:00

abstract：:A method for the preparation of developmentally staged microspores and young pollen from maize (Zea mays) has been devised. The preparations are of sufficient purity and quantity for biochemical analysis, including the analysis of steady-state protein and RNA populations associated with each stage. A major transition ...

journal_title：Plant physiology

authors： Bedinger PA,Edgerton MD

更新日期：1990-02-01 00:00:00

abstract：:Diatoms constitute a major phylum of phytoplankton biodiversity in ocean water and freshwater ecosystems. They are known to respond to some chemical variations of the environment by the accumulation of triacylglycerol, but the relative changes occurring in membrane glycerolipids have not yet been studied. Our goal was...

journal_title：Plant physiology

authors： Abida H,Dolch LJ,Meï C,Villanova V,Conte M,Block MA,Finazzi G,Bastien O,Tirichine L,Bowler C,Rébeillé F,Petroutsos D,Jouhet J,Maréchal E

更新日期：2015-01-01 00:00:00

abstract：:Allantoinase catalyzes the hydrolysis of allantoin to allantoic acid, a reaction important in both biogenesis and degradation of ureides. Ureide production in cotyledons of germinating soybean (Glycine max L.) seeds has not been studied extensively but may be important in mobilizing nitrogen reserves. Allantoinase was...

journal_title：Plant physiology

authors： Webb MA,Lindell JS

更新日期：1993-12-01 00:00:00

abstract：:In order to study the effects of desiccation on a photosynthetic system, light harvesting and light-induced electron transport processes were examined in pea cotyledons at various moisture levels, using in vivo fluorescence excitation spectra and fluorescence induction kinetics. Water sorption isotherms yielded thermo...

journal_title：Plant physiology

authors： Vertucci CW,Ellenson JL,Leopold AC

更新日期：1985-09-01 00:00:00

abstract：:Phaseolus vulgaris mitochondria incubated in sucrose swell rapidly upon the addition of phospholipase A. Bovine serum albumin inhibits the swelling. The release of free fatty acids as a result of phospholipase A action on the mitochondria is detected only in the presence of bovine serum albumin, which promotes the hyd...

journal_title：Plant physiology

authors： Earnshaw MJ,Truelove B

更新日期：1970-03-01 00:00:00

abstract：:The algae Mougeotia and Eremosphaera were used for isolation of microbodies with the characteristics of leaf peroxisomes and unspecialized peroxisomes, respectively. In both types of organelles, the following enzymes of the beta-oxidation pathway were determined: acyl-CoA oxido-reductase, enoyl-CoA hydratase, and 3-hy...

journal_title：Plant physiology

authors： Stabenau H,Winkler U,Säftel W

更新日期：1984-07-01 00:00:00

abstract：:We have previously shown that in the red alga Rhodella violacea, exposure to continuous low intensities of light 2 (green light) or near-saturating intensities of white light induces a DeltapH-dependent PSII fluorescence quenching. In this article we further characterize this fluorescence quenching by using white, sat...

journal_title：Plant physiology

authors： Delphin E,Duval JC,Etienne AL,Kirilovsky D

更新日期：1998-09-01 00:00:00