Ethylene rapidly up-regulates the activities of both monomeric GTP-binding proteins and protein kinase(s) in epicotyls of pea.

abstract：:The traditional method for determining compartmental analysis parameters relies on a visual selection of data points to be used for regression of data from each cellular compartment. This method is appropriate when the compartments are kinetically discrete and are easily discernible. However, where treatment effects o...

journal_title：Plant physiology

authors： Rygiewicz PT,Bledsoe CS,Glass AD

更新日期：1984-12-01 00:00:00

abstract：:Synechocystis (PCC 6714) is photoinhibited at low photon flux density when illuminated in medium devoid of Na(+). Photosynthetic activity and variable fluorescence yield were measured in intact cells during the course of inhibition and during recovery from inhibition in order to characterize sequential inhibitory even...

journal_title：Plant physiology

authors： Zhao J,Brand JJ

更新日期：1989-09-01 00:00:00

abstract：:Mutations that eliminate chloroplast translation in Arabidopsis (Arabidopsis thaliana) result in embryo lethality. The stage of embryo arrest, however, can be influenced by genetic background. To identify genes responsible for improved growth in the absence of chloroplast translation, we examined seedling responses of...

journal_title：Plant physiology

authors： Parker N,Wang Y,Meinke D

更新日期：2014-12-01 00:00:00

abstract：:Ascorbic acid oxidase activity in Myrothecium verrucaria extracts resulted in O(2) uptake exceeding 0.5 mole per mole of ascorbic acid and in CO(2) evolution. Measurement of oxidized ascorbic acid at completion of the reaction demonstrated that an average of 10% of the oxidized product disappeared. A comparison of the...

journal_title：Plant physiology

authors： Lillehoj EB,Smith FG

更新日期：1966-12-01 00:00:00

abstract：:Free protoplasts were prepared from the living bark tissue of the trunk of summer and winter black locust trees by enzymic digestion of thin slices of the tissue for 3 hours in a medium containing 2% Onozuka cellulase, 2% Rhozyme pectinase, and 2% Driselase in mannitol solutions using 0.4 molar mannitol for summer tis...

journal_title：Plant physiology

authors： Siminovitch D

更新日期：1979-04-01 00:00:00

abstract：:N redistribution patterns and the N composition of vegetative tissues above the peduncle node of wheat (Triticum aestivum L.) plants with altered reproductive sink strength were evaluated to determine the role of vegetative storage proteins in the temporary storage of excess N destined for export. The degree of leaf s...

journal_title：Plant physiology

authors： Mackown CT,Van Sanford DA,Zhang N

更新日期：1992-08-01 00:00:00

abstract：:The nature of the inorganic carbon (C(i)) species actively taken up by cyanobacteria CO(2) or HCO(3) (-) has been investigated. The kinetics of CO(2) uptake, as well as that of HCO(3) (-) uptake, indicated the involvement of a saturable process. The apparent affinity of the uptake mechanism for CO(2) was higher than t...

journal_title：Plant physiology

authors： Volokita M,Zenvirth D,Kaplan A,Reinhold L

更新日期：1984-11-01 00:00:00

abstract：:Nucleotide metabolism in potato (Solanum tuberosum) mitochondria was studied using 31P-nuclear magnetic resonance spectroscopy and the O2 electrode. Immediately following the addition of ADP, ATP synthesis exceeded the rate of oxidative phosphorylation, fueled by succinate oxidation, due to mitochondrial adenylate kin...

journal_title：Plant physiology

authors： Roberts J,Aubert S,Gout E,Bligny R,Douce R

更新日期：1997-01-01 00:00:00

abstract：:Freezing, dehydration, and supercooling cause microtubules in mesophyll cells of spinach (Spinacia oleracea L. cv Bloomsdale) to depolymerize (ME Bartolo, JV Carter [1991] Plant Physiol 97: 175-181). The objective of this study was to gain insight into the question of whether microtubules depolymerize as a direct resp...

journal_title：Plant physiology

authors： Bartolo ME,Carter JV

更新日期：1992-08-01 00:00:00

abstract：:Flavones are important copigments found in the flowers of many higher plants and play a variety of roles in plant adaptation to stress. In Medicago species, flavones also act as signal molecules during symbiotic interaction with the diazotropic bacterium Sinorhizobium meliloti. They are the most potent nod gene induce...

journal_title：Plant physiology

authors： Zhang J,Subramanian S,Zhang Y,Yu O

更新日期：2007-06-01 00:00:00

abstract：:Logarithmic growth rates (either fresh or dry weight basis) of tobacco callus tissues grown on 10(-4) to 10(-1) mum cytokinin are increased if gibberellic acid (10(-3)-2 mum) is incorporated into the medium. At higher (1-10 mum) cytokinin concentrations gibberellic acid has little effect on growth rate but extends the...

journal_title：Plant physiology

authors： Helgeson JP,Upper CD

更新日期：1970-07-01 00:00:00

abstract：:We have tested directly the effect of Helminthosporium maydis T (Hmt) toxin and various analogs on the membrane potential formed in mitochondria isolated from a Texas (T) cytoplasmic male-sterile and a normal (N) corn. ATP, malate or succinate generated a membrane potential (negative inside) as monitored by the absorb...

journal_title：Plant physiology

authors： Holden MJ,Sze H

更新日期：1987-07-01 00:00:00

abstract：:The activity of 1,3-beta-d-glucan synthase assayed in the presence of digitonin in a microsomal preparation from suspension-cultured cells of Glycine max can be fully inhibited by unsaturated fatty acids, trienoic acids being most effective. Lysophosphatidylcholine, platelet-activating factor, acylcarnitine, and Echin...

journal_title：Plant physiology

authors： Kauss H,Jeblick W

更新日期：1986-01-01 00:00:00

abstract：:Explants of genetic tumors, tumors initiated by Agrobacterium tumefaciens strains B-6 and T-37, and excised pith plugs from Nicotiana glauca, N. langsdorffii, and N. glauca-langsdorffii were cultured on Murashige and Skoog medium. All cultures, pith callus and tumors with the exception of N. langsdorffii pith grew on ...

journal_title：Plant physiology

authors： Sharp WR,Gunckel JE

更新日期：1969-07-01 00:00:00

abstract：:Thermal conductivity coefficients have been determined for longitudinal and transverse flow in 4 varieties of fresh Citrus wood using steady state-methods. Equations were developed from which thermal conductivity could be rapidly estimated from moisture content or electrical conductivity. The heat balance of large and...

journal_title：Plant physiology

authors： Turrell FM,Austin SW,McNee D,Park WJ

更新日期：1967-08-01 00:00:00

abstract：:The OsCPK4 gene is a member of the complex gene family of calcium-dependent protein kinases in rice (Oryza sativa). Here, we report that OsCPK4 expression is induced by high salinity, drought, and the phytohormone abscisic acid. Moreover, a plasma membrane localization of OsCPK4 was observed by transient expression as...

journal_title：Plant physiology

authors： Campo S,Baldrich P,Messeguer J,Lalanne E,Coca M,San Segundo B

更新日期：2014-06-01 00:00:00

abstract：:The metabolism of labeled indole-3-acetic acid (IAA-2-(14)C) was investigated in Parthenocissus tricuspidata crown gall callus tissue. After 48 hours incubation, 85 to 90% of the supplied IAA was taken up by the tissue, and of that taken up, about 45% was conjugated with five amino acids. The conjugates found were asp...

journal_title：Plant physiology

authors： Feung CS,Hamilton RH,Mumma RO

更新日期：1976-11-01 00:00:00

abstract：:This study demonstrates germination-induced ultrastructural changes in wheat (Triticum aestivum L. cv Arthur) aleurone cells. Seeds imbided for 4 hours in water contained endoplasmic reticulum (ER) or ER-like membranes as vesicles or as short segments of membrane associated with the spherosomes on the periphery of ale...

journal_title：Plant physiology

authors： Buckhout TJ,Gripshover BM,Morré DJ

更新日期：1981-12-01 00:00:00

abstract：:Ca2+ has been proposed to mediate inhibition of root elongation. However, exogenous Ca2+ at 10 or 20 millimolar, applied directly to the root cap, significantly stimulated root elongation in pea (Pisum sativum L.) and corn (Zea mays L.) seedlings. Furthermore, Ca2+ at 1 to 20 millimolar, applied unilaterally to the ...

journal_title：Plant physiology

authors： Takahashi H,Scott TK,Suge H

更新日期：1992-01-01 00:00:00

abstract：:Histidine (His) is an essential ingredient for protein synthesis and is required by all living organisms. In higher plants, although there is considerable evidence that His is essential for plant growth and survival, there is very little information as to whether it plays any specific role in plant development. Here, ...

journal_title：Plant physiology

authors： Mo X,Zhu Q,Li X,Li J,Zeng Q,Rong H,Zhang H,Wu P

更新日期：2006-08-01 00:00:00

abstract：:Water storage is thought to play an integral role in the maintenance of whole-plant water balance. The contribution of both living and dead cells to water storage can be derived from rehydration and water-release curves on excised plant material, but the underlying tissue-specific emptying/refilling dynamics remain un...

journal_title：Plant physiology

authors： Knipfer T,Cuneo IF,Earles JM,Reyes C,Brodersen CR,McElrone AJ

更新日期：2017-12-01 00:00:00

abstract：:Ribulose 1,5-bisphosphate in the chloroplast has been suggested to regulate the activity of the ribulose bisphosphate carboxylase/oxygenase. To generate high levels of ribulose bisphosphate, isolated and intact spinach chloroplasts were illuminated in the absence of CO(2). Under these conditions, chloroplasts generate...

journal_title：Plant physiology

authors： Sicher RC,Hatch AL,Stumpf DK,Jensen RG

更新日期：1981-07-01 00:00:00

abstract：:Wild type Gracilaria tikvahiae, a macrophytic red alga, and fourteen genetically characterized pigment mutants were analyzed for their biliprotein and chlorophyll contents. The same three biliproteins, phycoerythrin, phycocyanin, and allophycocyanin, which are found in the wild type are found in all the Mendelian and ...

journal_title：Plant physiology

authors： Kursar TA,van der Meer J,Alberte RS

更新日期：1983-10-01 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：:Soybean seedlings were examined for the presence of mitochondrial tRNA. Tyrosyl transfer tRNAs from whole cells, from a well characterized mitochondrial preparation, and from a snake venom phosphodiesterase-treated mitochondrial preparation, were compared by reverse phase chromatography. It was concluded that none of ...

journal_title：Plant physiology

authors： Meng RL,Vanderhoef LN

更新日期：1972-08-01 00:00:00

abstract：:The rate of Cl(-) transport at the plasma membrane of the freshwater alga Chara corallina is investigated with respect to possible in vivo controls acting in addition to the two well established ones of cytoplasmic Cl(-) and cytoplasmic pH. In contrast with results from many other plant tissues, halides appear to be t...

journal_title：Plant physiology

authors： Sanders D

更新日期：1981-06-01 00:00:00

abstract：:Arabidopsis (Arabidopsis thaliana) leaf development relies on subsequent phases of cell proliferation and cell expansion. During the proliferation phase, chloroplasts need to divide extensively, and during the transition from cell proliferation to expansion, they differentiate into photosynthetically active chloroplas...

journal_title：Plant physiology

authors： Vercruyssen L,Tognetti VB,Gonzalez N,Van Dingenen J,De Milde L,Bielach A,De Rycke R,Van Breusegem F,Inzé D

更新日期：2015-03-01 00:00:00

abstract：:In earlier ecophysiological studies that were conducted on Arabidopsis halleri plants, scientists focused on the mechanisms of Cd and Zn hyperaccumulation but did not take into consideration the environmental factors that can significantly affect the physiological responses of plants in situ. In this study, we investi...

journal_title：Plant physiology

authors： Sitko K,Rusinowski S,Kalaji HM,Szopiński M,Małkowski E

更新日期：2017-09-01 00:00:00

abstract：:Seed production generally requires the mating of opposite sex gametes. Apomixis, an asexual mode of reproduction, avoids both meiotic reduction and egg fertilization. The essential feature of apomixis is that an embryo is formed autonomously by parthenogenesis from an unreduced egg of an embryo sac generated through a...

journal_title：Plant physiology

authors： Albertini E,Marconi G,Reale L,Barcaccia G,Porceddu A,Ferranti F,Falcinelli M

更新日期：2005-08-01 00:00:00

abstract：:The marine dinoflagellate Amphidinium carterae (Plymouth 450) releases several water-soluble peridinin-chlorophyll a proteins after freezethawing. These chromoproteins have a molecular weight of 39.2 x 10(3) and are comprised of noncovalently bound peridinin and chlorophyll a and a nonoligomeric protein. They have dis...

journal_title：Plant physiology

authors： Haxo FT,Kycia JH,Somers GF,Bennett A,Siegelman HW

更新日期：1976-02-01 00:00:00