The physical basis of gravity stimulus nullification by clinostat rotation.

abstract：:Photoinhibition-induced degradation of the D1 protein of the photosystem II reaction center was studied in intact pumpkin (Cucurbita pepo L.) leaves. Photoinhibition was observed to cause the cleavage of the D1 protein at two distinct sites. The main cleavage generated an 18-kD N-terminal and a 20-kD C-terminal degrad...

journal_title：Plant physiology

authors： Kettunen R,Tyystjärvi E,Aro EM

更新日期：1996-08-01 00:00:00

abstract：:Oleosins are unique and major proteins localized on the surface of oil bodies in diverse seed species. We purified five different oleosins (maize [Zea mays L.] KD 16 and KD 18, soybean [Glycine max L.] KD 18 and KD 24, and rapeseed [Brassica campestris L.] KD 20), and raised chicken antibodies against them. These anti...

journal_title：Plant physiology

authors： Tzen JT,Lai YK,Chan KL,Huang AH

更新日期：1990-11-01 00:00:00

abstract：:The mechanism of sucrose transport was investigated in plasma membrane (PM) vesicles isolated from spinach (Spinacia oleracea L.) leaves. PM vesicles were isolated by aqueous two-phase partitioning and were equilibrated in pH 7.8 buffer containing K(+). The vesicles rapidly accumulated sucrose in the presence of a tra...

journal_title：Plant physiology

authors： Slone JH,Buckhout TJ,Vanderwoude WJ

更新日期：1991-06-01 00:00:00

abstract：:A number of early nodulin genes are expressed in specific cell types as pea (Pisum sativum) root nodules develop. The Pisum sativum early nodulin PsENOD2 is detected only in the uninfected cells of the nodule parenchyma, whereas PsENOD12 is expressed at two spatially removed sites: in root hairs and adjacent cortical ...

journal_title：Plant physiology

authors： Scheres B,McKhann HI,Zalensky A,Löbler M,Bisseling T,Hirsch AM

更新日期：1992-12-01 00:00:00

abstract：:Protein turnover is a key component in cellular homeostasis; however, there is little quantitative information on degradation kinetics for individual plant proteins. We have used (15)N labeling of barley (Hordeum vulgare) plants and gas chromatography-mass spectrometry analysis of free amino acids and liquid chromatog...

journal_title：Plant physiology

authors： Nelson CJ,Alexova R,Jacoby RP,Millar AH

更新日期：2014-09-01 00:00:00

abstract：:The growth potential of embryonic axes of Acer saccharum Marsh. increased during moist storage at 5 C but not at 20 C. During the period of increasing growth potential, the oxygen consumption of the axes remained constant. It was possible to distinguish three phases of the stratification-germination process at 5 C wit...

journal_title：Plant physiology

authors： Simmonds JA,Dumbroff EB

更新日期：1974-01-01 00:00:00

abstract：:Plant development requires regulation of both cell division and differentiation. The class 1 KNOTTED1-like homeobox (KNOX) genes such as knotted1 (kn1) in maize (Zea mays) and SHOOTMERISTEMLESS in Arabidopsis (Arabidopsis thaliana) play a role in maintaining shoot apical meristem indeterminacy, and their misexpression...

journal_title：Plant physiology

authors： Kessler S,Townsley B,Sinha N

更新日期：2006-08-01 00:00:00

abstract：:Glyoxylate at a concentration of 10 millimolar caused 50% inhibition of decarboxylation of 20 millimolar [1-(14)C]glycine and accompanying synthesis of serine in a mitochondria-enriched preparation from tobacco (Nicotiana tabacum var. John Williams Broadleaf) leaves. None of the other compounds tested including format...

journal_title：Plant physiology

authors： Peterson RB

更新日期：1982-07-01 00:00:00

abstract：:The incorporation of adenosine-8-(14)C into adenosine cyclic 3':5'-monophosphate in coleoptile-first leaf segments of Avena sativa L. was investigated. Homogenates of segments incubated in adenosine-8-(14)C for either 4 or 10 hours were partially purified by thin layer chromatography followed by paper electrophoresis....

journal_title：Plant physiology

authors： Ownby JD,Ross CW

更新日期：1975-02-01 00:00:00

abstract：:Maximum freezing tolerance of Arabidopsis thaliana L. Heyn (Columbia) was attained after 1 week of cold acclimation at 2[deg]C. During this time, there were significant changes in both the lipid composition of the plasma membrane and the freeze-induced lesions that were associated with injury. The proportion of phosph...

journal_title：Plant physiology

authors： Uemura M,Joseph RA,Steponkus PL

更新日期：1995-09-01 00:00:00

abstract：:An NaCl-resistant line has been developed from suspension-cultured tobacco cells (Nicotiana tabacum/gossii) by stepwise increases in the NaCl concentration in the medium. Resistance showed stability through at least 24 generations in the absence of added NaCl.Above an external NaCl concentration of 35 millimolar, prol...

journal_title：Plant physiology

authors： Watad AE,Reinhold L,Lerner HR

更新日期：1983-11-01 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 circadian RNA-binding protein CHLAMY1 from the green alga Chlamydomonas reinhardtii consists of two subunits named C1 and C3. Changes in the C1 level cause arrhythmicity of the phototaxis rhythm, while alterations in the level of C3 lead to acrophase shifts. Thus, CHLAMY1 is involved in maintaining period and phas...

journal_title：Plant physiology

authors： Voytsekh O,Seitz SB,Iliev D,Mittag M

更新日期：2008-08-01 00:00:00

abstract：:To survive in various conditions of CO2 availability, Chlamydomonas reinhardtii shows adaptive changes, such as induction of a CO2-concentrating mechanism, changes in cell organization, and induction of several genes, including a periplasmic carbonic anhydrase (pCA1) encoded by Cah1. Among a collection of insertionall...

journal_title：Plant physiology

authors： Van K,Spalding MH

更新日期：1999-07-01 00:00:00

abstract：:Uptake of Ca(2+) by suspension-cultured pear (Pyrus communis L. cv Passe Crassane) cells and protoplasts was significantly enhanced by exposure to 38 degrees C compared to 25 degrees C. The increased uptake was specific for Ca(2+) and was not due to cell wall binding. Tissues pretreated at 38 degrees C showed increase...

journal_title：Plant physiology

authors： Klein JD,Ferguson IB

更新日期：1987-05-01 00:00:00

abstract：:Here, we present a genome-wide overview of transcriptional circuits in the agriculturally significant crop species maize (Zea mays). We examined transcript abundance data at 50 developmental stages, from embryogenesis to senescence, for 34,876 gene models and classified genes into 24 robust coexpression modules. Modul...

journal_title：Plant physiology

authors： Downs GS,Bi YM,Colasanti J,Wu W,Chen X,Zhu T,Rothstein SJ,Lukens LN

更新日期：2013-04-01 00:00:00

abstract：:The biochemical and immunochemical characterization of a superoxide dismutase (SOD, EC 1.15.1.1) from peroxisomal origin has been carried out. The enzyme is a Cu,Zn-containing SOD (CuZn-SOD) located in the matrix of peroxisomes from watermelon (Citrullus vulgaris Schrad.) cotyledons (L.M. Sandalio and L.A. del Río [19...

journal_title：Plant physiology

authors： Bueno P,Varela J,Gimeénez-Gallego G,del Río LA

更新日期：1995-07-01 00:00:00

abstract：:The effect of applied nitrogen (N) on the growth, leaf expansion rate, biomass partitioning and leaf N levels of Chenopodium album (C(3)) and Amaranthus retroflexus (C(4)) were investigated. At a given applied N level, C. album had 50% greater leaf N per unit area (N(a)) than A. retroflexus. Nitrate accumulated at low...

journal_title：Plant physiology

authors： Sage RF,Pearcy RW

更新日期：1987-07-01 00:00:00

abstract：:Extracts of light-grown Cucumis sativus L. seedlings catalyzed the oxidation of indole-3-acetaldehyde to indole-3-acetic acid. No added cofactors were required. Inhibitor studies indicated that the enzyme is a metalloflavoprotein. While indole-3-aldehyde, benzaldehyde, and phenylacetaldehyde partially inhibited the ox...

journal_title：Plant physiology

authors： Bower PJ,Brown HM,Purves WK

更新日期：1978-01-01 00:00:00

abstract：:Extraction of maize (Zea mays) leaves by progressive grinding under suitably protective conditions yields total carbonic anhydrase activities (4800 units per milligram chlorophyll) comparable to the activity in spinach (Spinacia oleracea) leaves. The total ribulose diphosphate carboxylase activity was also equal to or...

journal_title：Plant physiology

authors： Poincelot RP

更新日期：1972-09-01 00:00:00

abstract：:Rates of net photosynthesis and translocation, CO(2) diffusive resistances, levels of carbohydrates, total protein, chlorophyll, and inorganic phosphate, and ribulose 1,5-diphosphate carboxylase activity were measured in soybean (Glycine max L. Merrill) leaves to ascertain the effect of altered assimilate demand. To i...

journal_title：Plant physiology

authors： Thorne JH,Koller HR

更新日期：1974-08-01 00:00:00

abstract：:We have constructed a chimeric gene consisting of the promoter, first exon, and first intron of a maize ubiquitin gene (Ubi-1) and the coding sequence of the bar gene from Streptomyces hygroscopicus. This construct was transferred into rice (Oryza sativa L.) protoplasts via electroporation, and 10 plants were regenera...

journal_title：Plant physiology

authors： Toki S,Takamatsu S,Nojiri C,Ooba S,Anzai H,Iwata M,Christensen AH,Quail PH,Uchimiya H

更新日期：1992-11-01 00:00:00

abstract：:Geranylgeranyl diphosphate (GGPP) is the precursor for the biosynthesis of gibberellins, carotenoids, chlorophylls, isoprenoid quinones, and geranylgeranylated proteins in plants. There is a small gene family for GGPP synthases encoding five isozymes and one related protein in Arabidopsis, and all homologs have a puta...

journal_title：Plant physiology

authors： Okada K,Saito T,Nakagawa T,Kawamukai M,Kamiya Y

更新日期：2000-04-01 00:00:00

abstract：:The Arabidopsis genome encodes four Dicer-like (DCL) proteins, two of which contain putative nuclear localization signals. This suggests one or more nuclear pathways for processing double-stranded (ds) RNA in plants. To study the subcellular location of processing of nuclear-encoded dsRNA involved in transcriptional s...

journal_title：Plant physiology

authors： Papp I,Mette MF,Aufsatz W,Daxinger L,Schauer SE,Ray A,van der Winden J,Matzke M,Matzke AJ

更新日期：2003-07-01 00:00:00

abstract：:Solid-state nuclear magnetic resonance relaxation experiments were used to study the rigidity and spatial proximity of polymers in sugar beet (Beta vulgaris) cell walls. Proton T1rho decay and cross-polarization patterns were consistent with the presence of rigid, crystalline cellulose microfibrils with a diameter of ...

journal_title：Plant physiology

authors： Renard CM,Jarvis MC

更新日期：1999-04-01 00:00:00

abstract：:Thermostability of the photosynthetic apparatus of abscisic acid (ABA)-treated seedlings of barley (Hordeum vulgare) was studied by light-scattering and by fluorescence measurements of isolated chloroplasts. ABA treatment markedly decreased heat damage of the chloroplast ultrastructure; an exogenous ABA concentration ...

journal_title：Plant physiology

authors： Ivanov AG,Kitcheva MI,Christov AM,Popova LP

更新日期：1992-04-01 00:00:00

abstract：:Photosynthetic (14)CO(2) fixation, [(14)C]glycolate formation, and the decarboxylation of [1-(14)C]glycolate and [1-(14)C]glycine by leaf mesophyll protoplasts isolated from isogenic diploid and tetraploid cultivars of ryegrass (Lolium perenne L.) were examined. The per cent O(2) inhibition of photosynthesis in protop...

journal_title：Plant physiology

authors： Rathnam CK,Chollet R

更新日期：1980-03-01 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：:Soybean (Glycine max) lipoxygenase (LOX) has been proposed to be involved in reserve lipid mobilization during germination. Here, subcellular fractionation studies show that LOX1, -2, -3, -4, -5, and -6 isozymes were associated with the soluble fraction but not with purified oil bodies. The purified oil bodies contain...

journal_title：Plant physiology

authors： Wang C,Croft KP,Jarlfors U,Hildebrand DF

更新日期：1999-05-01 00:00:00

abstract：:Wild-type Arabidopsis (Arabidopsis thaliana L. Heynh.) roots growing on a tilted surface of impenetrable hard-agar media adopt a wave-like pattern and tend to skew to the right of the gravity vector (when viewed from the back of the plate through the medium). Reversible root-tip rotation often accompanies the clockwis...

journal_title：Plant physiology

authors： Yuen CY,Sedbrook JC,Perrin RM,Carroll KL,Masson PH

更新日期：2005-06-01 00:00:00