Plastid genome instability leads to reactive oxygen species production and plastid-to-nucleus retrograde signaling in Arabidopsis.

abstract：:The regulation of cytokinin oxidase activity in callus tissues of Phaseolus vulgaris L. cv Great Northern has been examined using an assay based on the oxidation of N(6)-(Delta(2)-isopentenyl)adenine-8-(14)C (i(6) Ade-8-(14)C) to adenine. Solutions of exogenous cytokinins applied directly to the surface of the callus ...

journal_title：Plant physiology

authors： Chatfield JM,Armstrong DJ

更新日期：1986-02-01 00:00:00

abstract：:This study examines the capacity of intact spinach (Spinacia oleracea L.) chloroplasts to fix (14)CO(2) when supplied with Benson-Calvin cycle intermediates in the presence of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU). Under these conditions, substantial (14)CO(2) fixation occurred in the light but not in the dar...

journal_title：Plant physiology

authors： Woo KC,Gerbaud A,Furbank RT

更新日期：1983-06-01 00:00:00

abstract：:Phosphorus (P) is a finite natural resource and an essential plant macronutrient with major impact on crop productivity and global food security. Here, we demonstrate that time-resolved chlorophyll a fluorescence is a unique tool to monitor bioactive P in plants and can be used to detect latent P deficiency. When plan...

journal_title：Plant physiology

authors： Frydenvang J,van Maarschalkerweerd M,Carstensen A,Mundus S,Schmidt SB,Pedas PR,Laursen KH,Schjoerring JK,Husted S

更新日期：2015-09-01 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：:A lipid-bound oligosaccharide was isolated from pea (Pisum sativum) cotyledons incubated with [(14)C]mannose. The oligosaccharide moiety appeared to be identical with the one obtained from rat liver, known to contain three glucoses, nine mannoses, and two N-acetylglucosamines, and to be involved in protein glycosylati...

journal_title：Plant physiology

authors： Staneloni RJ,Tolmasky ME,Petriella C,Leloir LF

更新日期：1981-11-01 00:00:00

abstract：:A rapid and simple, large-scale method for the purification of DNA-dependent RNA polymerase III (EC 2.7.7.6) from wheat germ is presented. The method involves enzyme extraction at low ionic strength, polyethyleneimine fractionation, (NH(4))(2)SO(4) precipitation, and chromatography on DEAE-Sepharose CL-6B, DEAE-cellul...

journal_title：Plant physiology

authors： Jendrisak J

更新日期：1981-03-01 00:00:00

abstract：:An NAD-linked dehydrogenase from Chlorella pyrenoidosa Chick catalyzing the conversion of l-proline to Delta(1)-pyrroline-5-carboxylic acid was partially purified. Delta(1)-Pyrroline-5-carboxylic acid was identified as the product by co-chromatography of it and its o-aminobenzaldehyde derivative with authentic compoun...

journal_title：Plant physiology

authors： McNamer AD,Stewart CR

更新日期：1974-03-01 00:00:00

abstract：:Under controlled environment and/or field conditions, vegetative growth (height, internode length, leaf area, shoot dry weight, grain yield) was greater in an F(1) maize hybrid than in either parental inbred. Endogenous gibberellin (GA)-like substances in apical meristem cylinders were also higher in the hybrid than i...

journal_title：Plant physiology

authors： Rood SB,Pharis RP,Koshioka M,Major DJ

更新日期：1983-03-01 00:00:00

abstract：:The Arabidopsis (Arabidopsis thaliana) MKK1 and MKK2 mitogen-activated protein kinase kinases have been implicated in biotic and abiotic stress responses as part of a signaling cascade including MEKK1 and MPK4. Here, the double loss-of-function mutant (mkk1/2) of MKK1 and MKK2 is shown to have marked phenotypes in dev...

journal_title：Plant physiology

authors： Qiu JL,Zhou L,Yun BW,Nielsen HB,Fiil BK,Petersen K,Mackinlay J,Loake GJ,Mundy J,Morris PC

更新日期：2008-09-01 00:00:00

abstract：:Enriched peribacteroid membranes were prepared from Phaseolus vulgaris nodules and, in the presence of metleghemoglobin and H(2)O(2), membranal lipid peroxidation was observed. The initial rate of the reaction was low and increased with time. Ferrous leghemoglobin was unable to induce this peroxidation with H(2)O(2). ...

journal_title：Plant physiology

authors： Puppo A,Herrada G,Rigaud J

更新日期：1991-07-01 00:00:00

abstract：:The metabolism of soluble nucleotides was investigated in wheat (Triticum aestivum var. Olympic) aleurone layers treated with gibberellic acid. Whereas nucleotide levels were relatively unaffected by the treatment, a transient increase was observed in the incorporation of (32)P. The effect was maximal 30 to 60 minutes...

journal_title：Plant physiology

authors： Collins GG,Jenner CF,Paleg LG

更新日期：1972-03-01 00:00:00

abstract：:Gametophore induction in moss by Agrobacterium tumefaciens was inhibited by addition of lipopolysaccharide (LPS) from A. tumefaciens. The LPS did not affect bacterial viability or appear to bind to bacterial cells. LPS from nonbinding Agrobacterium radiobacter was not effective in reducing gametophore formation. A. tu...

journal_title：Plant physiology

authors： Whatley MH,Spiess LD

更新日期：1977-11-01 00:00:00

abstract：:The pool sizes of free l-phenylalanine and l-tyrosine, the precursors of rosmarinic acid in Anchusa officinalis L. cell suspension cultures, fluctuated during the culture cycle. The major increase in pool sizes was preceded by a peak of prephenate aminotransferase activity, while the subsequent decrease coincided with...

journal_title：Plant physiology

authors： De-Eknamkul W,Ellis BE

更新日期：1989-02-01 00:00:00

abstract：:Sucrose:sucrose 1-fructosyltransferase (1-SST), an enzyme involved in fructan biosynthesis, was purified to homogeneity from tubers of Helianthus tuberosus that were harvested in the accumulation phase. Gel filtration under native conditions predicted a molecular mass of about 67 kD. Electrophoresis or gel filtration ...

journal_title：Plant physiology

authors： Koops AJ,Jonker HH

更新日期：1996-04-01 00:00:00

abstract：:The Arabidopsis genome contains 14 genes encoding the serine protease DegP. Products of four of these genes are located in the chloroplast: three in the thylakoid lumen and one on the stromal side of the membrane. We expressed the gene encoding DegP1 as a His-tagged fusion protein in Escherichia coli, purified the pro...

journal_title：Plant physiology

authors： Chassin Y,Kapri-Pardes E,Sinvany G,Arad T,Adam Z

更新日期：2002-10-01 00:00:00

abstract：:Growth of Alaska peas (Pisum sativum) is inhibited more than 60% by alpha-cyclopropyl-alpha-(p-methoxyphenyl)-5-pyrimidine methyl alcohol (ancymidol) treatment. This growth inhibition can be reversed completely by gibberellic acid application. Cell-free enzyme preparations from pea shoot tips and wild cucumber (Marah ...

journal_title：Plant physiology

authors： Coolbaugh RC,Hamilton R

更新日期：1976-02-01 00:00:00

abstract：:Compounds with planar triple ring systems such as acridine orange, 9-amino acridine, 9-amino-1,2,3,4-tetrahydroacridine (tacrine), 6,9-diamino-2-ethoxyacridine lactate monohydrate (DE-acridine), 6-chloro-9-(3'-diethylamino-2'-hydroxypropylamino) -2-methoxyacridine.2 HCl (CDM-acridine), quinacrine, 6-chloro-9-(4'-dieth...

journal_title：Plant physiology

authors： Hadwiger LA,Schwochau ME

更新日期：1971-03-01 00:00:00

abstract：:Hydroperoxide lyase (HPLS) activity in soybean (Glycine max) seed/seedlings, leaves, and chloroplasts of leaves required detergent solubilization for maximum in vitro activity. On a per milligram of protein basis, more HPLS activity was found in leaves, especially chloroplasts, than in seeds or seedlings. The total yi...

journal_title：Plant physiology

authors： Gardner HW,Weisleder D,Plattner RD

更新日期：1991-11-01 00:00:00

abstract：:Contrasting metabolic regimes operate in Opuntia basilaris Engelm. and Bigelov, before and after precipitation. During periods of drought, atmospheric CO(2) exchange and transpiration are greatly reduced throughout the day/night cycle by stomatal closure and a highly impervious cuticle. The hypothesis is that endogeno...

journal_title：Plant physiology

authors： Szarek SR,Johnson HB,Ting IP

更新日期：1973-12-01 00:00:00

abstract：:To acquire iron, many plant species reduce soil Fe(III) to Fe(II) by Fe(III)-chelate reductases embedded in the plasma membrane of root epidermal cells. The reduced product is then taken up by Fe(II) transporter proteins. These activities are induced under Fe deficiency. We describe here the FRO1 gene from pea (Pisum ...

journal_title：Plant physiology

authors： Waters BM,Blevins DG,Eide DJ

更新日期：2002-05-01 00:00:00

abstract：:Oligomeric proanthocyanidins (PAs) composed primarily of epicatechin units accumulate in the seed coats of the model legume Medicago truncatula, reaching maximal levels at around 20 d after pollination. Genes encoding the single Medicago anthocyanidin synthase (ANS; EC 1.14.11.19) and leucoanthocyanidin reductase (LAR...

journal_title：Plant physiology

authors： Pang Y,Peel GJ,Wright E,Wang Z,Dixon RA

更新日期：2007-11-01 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：:Magnaporthe oryzae is a fungal pathogen that causes rice (Oryza sativa) blast. SNAREs (soluble N-ethylmaleimide-sensitive factor attachment protein receptors) are key components in vesicle trafficking in eukaryotic cells and are known to contribute to fungal pathogen resistance. Syntaxin of Plants121 (SYP121), a Qa-SN...

journal_title：Plant physiology

authors： Cao WL,Yu Y,Li MY,Luo J,Wang RS,Tang HJ,Huang J,Wang JF,Zhang HS,Bao YM

更新日期：2019-04-01 00:00:00

abstract：:Saline-soluble glycinins and insoluble glutelins are the major storage proteins in soybean (Glycine max) and rice (Oryza sativa), respectively. In spite of their differences in solubility properties, both proteins are members of the 11S globulin gene family based on their similarities in primary sequences and processi...

journal_title：Plant physiology

authors： Katsube T,Kurisaka N,Ogawa M,Maruyama N,Ohtsuka R,Utsumi S,Takaiwa F

更新日期：1999-08-01 00:00:00

abstract：:Coupling of phosphorylation to electron transport was examined by measuring the photosynthetic control ratio for broken wheat plastids isolated from seedlings at different greening stages. The photosynthetic control ratio progressively increased during greening and tight coupling was noted after granal stacking and th...

journal_title：Plant physiology

authors： Duysen ME,Freeman TP,Zabrocki RD

更新日期：1980-05-01 00:00:00

abstract：:Ambient light is the major agent mediating entrainment of circadian rhythms and is also a major factor influencing development and morphogenesis. We show that in Neurospora crassa the expression of clock-controlled gene 2 (ccg-2), a gene under the control of the circadian clock and allelic to the developmental gene ea...

journal_title：Plant physiology

authors： Arpaia G,Loros JJ,Dunlap JC,Morelli G,Macino G

更新日期：1993-08-01 00:00:00

abstract：:Although cycloheximide is extremely inhibitory to protein synthesis in vivo in higher plants, the reported insensitivity of some plant ribosomes suggests that it may not invariably act at the ribosomal level. This suggestion is reinforced by results obtained with red beet storage tissue disks, the respiration of which...

journal_title：Plant physiology

authors： Ellis RJ,Macdonald IR

更新日期：1970-08-01 00:00:00

abstract：:Thylakoid proteins and their catabolites have been detected in lipid-protein particles isolated from the stroma of intact chloroplasts obtained from primary leaves of 2-week-old bean seedlings (Phaseolus vulgaris L. cv Kinghorn). The lipid-protein particles bear morphological resemblance to plastoglobuli seen in the c...

journal_title：Plant physiology

authors： Ghosh S,Hudak KA,Dumbroff EB,Thompson JE

更新日期：1994-12-01 00:00:00

abstract：:Allantoin and allantoic acid are the major forms of nitrogen transported from soybean nodules to other parts of the plant. Neither the pathway or the site of ureide synthesis has been demonstrated in root nodules.Bacteroid and cytosol (plant portion) fractions were prepared and the purity of each fraction was determin...

journal_title：Plant physiology

authors： Triplett EW,Blevins DG,Randall DD

更新日期：1980-06-01 00:00:00

abstract：:Kinetic aspects of ethylene-mediated signal transduction leading to seedling-growth inhibition and chitinase induction in Arabidopsis were investigated by the introduction of defined mutations in components of these pathways. Dose-response analysis of wild-type responses indicated that the rate-limiting steps for seed...

journal_title：Plant physiology

authors： Chen QG,Bleecker AB

更新日期：1995-06-01 00:00:00