Abscisic Acid promotes both volume flow and ion release to the xylem in sunflower roots.

abstract：:The effect of controlled trypsin digestion of a calmodulin-stimulated Ca2+-ATPase in low-density intracellular membranes from cauliflower (Brassica oleracea L.) inflorescences was investigated. Ca2+ uptake into vesicles was measured either continuously with the fluorescent Ca2+ indicator Calcium Green-5N or with a rad...

journal_title：Plant physiology

authors： Askerlund P

更新日期：1996-03-01 00:00:00

abstract：:Reduction of Cu2+ by plasma membrane vesicles isolated from tomato (Lycopersicon esculentum Mill.) roots was investigated. Plants were grown in hydroponic culture with complete nutrition for 4 weeks or were deprived of Fe for the last 7 d. Plasma membrane vesicles were prepared by aqueous two-phase partitioning. Reduc...

journal_title：Plant physiology

authors： Holden MJ,Crimmins TJ Jr,Chaney RL

更新日期：1995-07-01 00:00:00

abstract：:Flooding the intercellular air spaces of leaves with water was shown to cause rapid closure of stomata in Tradescantia pallida, Lactuca serriola, Helianthus annuus, and Oenothera caespitosa. The response occurred when water was injected into the intercellular spaces, vacuum infiltrated into the intercellular spaces, o...

journal_title：Plant physiology

authors： Sibbernsen E,Mott KA

更新日期：2010-07-01 00:00:00

abstract：:Calcium/calmodulin-dependent protein kinase (CCaMK) has been shown to play an important role in abscisic acid (ABA)-induced antioxidant defense and enhance the tolerance of plants to drought stress. However, its downstream molecular events are poorly understood. Here, we identify a NAC transcription factor, ZmNAC84, i...

journal_title：Plant physiology

authors： Zhu Y,Yan J,Liu W,Liu L,Sheng Y,Sun Y,Li Y,Scheller HV,Jiang M,Hou X,Ni L,Zhang A

更新日期：2016-07-01 00:00:00

abstract：:Cysthathionine [gamma]-synthase (CS), an enzyme involved in methionine biosynthesis, was purified from an acetone powder prepared from wheat (Triticum aestivum L.). After several chromatographic steps and radiolabeling of the partially purified enzyme with sodium cyanoboro[3H]hydride, a single polypeptide with a molec...

journal_title：Plant physiology

authors： Kreft BD,Townsend A,Pohlenz HD,Laber B

更新日期：1994-04-01 00:00:00

abstract：:By comparing growth under five different temperature and irradiance regimes (20[deg]C and 800, 250, and 50[mu]mol m-2 s-1 and 5[deg]C and 250 and 50 [mu]mul m-2 s-1), we have examined the effects of light, temperature, and the relative reduction state of photosystem II on plant morphology, freezing tolerance (lethal t...

journal_title：Plant physiology

authors： Gray GR,Chauvin LP,Sarhan F,Huner N

更新日期：1997-06-01 00:00:00

abstract：:Chlorophyll a fluorescence of Synechococcus UTEX 625 was quenched during the transport of inorganic carbon, even when CO(2) fixation was inhibited by iodoacetamide. Measurements with a pulse modulation fluorometer showed that at least 75% of the quenching was due to oxidation of Q(a), the primary acceptor of photosyst...

journal_title：Plant physiology

authors： Miller AG,Espie GS,Canvin DT

更新日期：1988-09-01 00:00:00

abstract：:The indoleacetic acid (IAA) oxidase activity of root tips of boron-sufficient, -deficient, recovering, and IAA-treated boron-sufficient squash plants (Cucurbita pepo L.) was determined. Apical and subapical root sections displayed an increase in IAA oxidase activity between 6 and 9 hours after boron was withheld, and ...

journal_title：Plant physiology

authors： Bohnsack CW,Albert LS

更新日期：1977-06-01 00:00:00

abstract：:Anoxia induces a rapid elevation of the cytosolic Ca2+ concentration ([Ca2+]cyt) in maize (Zea mays L.) cells, which is caused by the release of the ion from intracellular stores. This anoxic Ca2+ release is important for gene activation and survival in O2-deprived maize seedlings and cells. In this study we examined ...

journal_title：Plant physiology

authors： Subbaiah CC,Bush DS,Sachs MM

更新日期：1998-11-01 00:00:00

abstract：:Terpenes are specialized plant metabolites that act as attractants to pollinators and as defensive compounds against pathogens and herbivores, but they also play an important role in determining the quality of horticultural food products. We show that the genome of cultivated apple (Malus domestica) contains 55 putati...

journal_title：Plant physiology

authors： Nieuwenhuizen NJ,Green SA,Chen X,Bailleul EJ,Matich AJ,Wang MY,Atkinson RG

更新日期：2013-02-01 00:00:00

abstract：:This work was undertaken in an effort to reconcile the conflicting proline-accumulating responses of the barley (Hordeum vulgare L.) cultivars, Excelsior and Proctor, reported by Singh et al. (1972) and Hanson et al. (1976). It deals with the effects of different vapor pressure deficits (VPD) during growth and subsequ...

journal_title：Plant physiology

authors： Naidu BP,Aspinall D,Paleg LG

更新日期：1992-02-01 00:00:00

abstract：:Plant hormones modulate plant growth, development, and defense. However, many aspects of the origin and evolution of plant hormone signaling pathways remain obscure. Here, we use a comparative genomic and phylogenetic approach to investigate the origin and evolution of nine major plant hormone (abscisic acid, auxin, b...

journal_title：Plant physiology

authors： Wang C,Liu Y,Li SS,Han GZ

更新日期：2015-03-01 00:00:00

abstract：:The husk surrounding the ear of corn/maize (Zea mays) has widely spaced veins with a number of interveinal mesophyll (M) cells and has been described as operating a partial C(3) photosynthetic pathway, in contrast to its leaves, which use the C(4) photosynthetic pathway. Here, we characterized photosynthesis in maize ...

journal_title：Plant physiology

authors： Pengelly JJ,Kwasny S,Bala S,Evans JR,Voznesenskaya EV,Koteyeva NK,Edwards GE,Furbank RT,von Caemmerer S

更新日期：2011-06-01 00:00:00

abstract：:Pretreatment with pertussis toxin or microinjection of guanosine- 5[prime]-(3-thiotriphosphate) (GTP-[gamma]-S) into guard cells in peeled epidermis of Commelina communis L. promoted stomatal opening under subsaturating white light. Guanosine-5[prime]-(2-thiodiphosphate) (GDP-[beta]-S) and adenosine-5[prime]-(3-thiotr...

journal_title：Plant physiology

authors： Lee HJ,Tucker EB,Crain RC,Lee Y

更新日期：1993-05-01 00:00:00

abstract：:Carbonic anhydrase (CA) (EC 4.2.1.1) enzymes catalyze the reversible hydration of CO2, a reaction that is important in many physiological processes. We have cloned and sequenced a full-length cDNA encoding an intracellular beta-CA from the unicellular green alga Coccomyxa. Nucleotide sequence data show that the isolat...

journal_title：Plant physiology

authors： Hiltonen T,Björkbacka H,Forsman C,Clarke AK,Samuelsson G

更新日期：1998-08-01 00:00:00

abstract：:In the absence of sulfur (S), Chlamydomonas reinhardtii increases the abundance of several transcripts encoding proteins associated with S acquisition and assimilation, conserves S amino acids, and acclimates to suboptimal growth conditions. A positive regulator, SAC1 (for sulfur acclimation protein 1), and a negative...

journal_title：Plant physiology

authors： Gonzalez-Ballester D,Pollock SV,Pootakham W,Grossman AR

更新日期：2008-05-01 00:00:00

abstract：:An experiment was conducted to investigate the reduction of endogenous NO(3) (-), which had been taken up by plants in darkness, during the course of the subsequent light period. Vegetative, nonnodulated soybean plants (Glycine max [L]. Merrill, ;Ransom') were exposed to 1.0 millimolar (15)NO(3) (-) for 12 hours in da...

journal_title：Plant physiology

authors： Rufty TW,Volk RJ,Mackown CT

更新日期：1987-08-01 00:00:00

abstract：:The BEL1-like family of transcription factors is ubiquitous in plants and plays important roles in regulating development. They function in tandem with KNOTTED1 types to bind to a double TTGAC motif in the upstream sequence of target genes. StBEL5 of potato (Solanum tuberosum) functions as a mobile RNA signal that is ...

journal_title：Plant physiology

authors： Sharma P,Lin T,Hannapel DJ

更新日期：2016-01-01 00:00:00

abstract：:The photosynthetic characteristics of wild type Nicotiana sylvestris (Speg. et Comes) were compared with those of a ;starch-less' mutant NS458 that contains a defective plastid phosphoglucomutase (EC 2.1.5.1) (KR Hanson, NA McHale [1988] Plant Physiol 88: 838-844). The steady-state rate of net CO(2) assimilation (A) w...

journal_title：Plant physiology

authors： Hanson KR

更新日期：1990-07-01 00:00:00

abstract：:Biosynthesis of sucrose from triacylglycerol requires the bypass of the CO2-evolving reactions of the tricarboxylic acid (TCA) cycle. The regulation of the TCA cycle bypass during lipid mobilization was examined. Lipid mobilization in Brassica napus was initiated shortly after imbibition of the seed and proceeded unti...

journal_title：Plant physiology

authors： Falk KL,Behal RH,Xiang C,Oliver DJ

更新日期：1998-06-01 00:00:00

abstract：:Responses to the plant hormone ethylene are mediated by a family of five receptors in Arabidopsis that act in the absence of ethylene as negative regulators of response pathways. In this study, we examined the rapid kinetics of growth inhibition by ethylene and growth recovery after ethylene withdrawal in hypocotyls o...

journal_title：Plant physiology

authors： Binder BM,O'malley RC,Wang W,Moore JM,Parks BM,Spalding EP,Bleecker AB

更新日期：2004-10-01 00:00:00

abstract：:Metabolism of [(14)C]gibberellin (GA) A(12) (GA(12)) and [(14)C]gibberellin A(12)-aldehyde (GA(12)-aldehyde) was examined in cotyledons and seed coats from developing seeds of pea (Pisum sativum L.). Both were metabolized to only 13-hydroxylated GAs in cotyledons but to 13-hydroxylated and non-13-hydroxylated GAs in s...

journal_title：Plant physiology

authors： Zhu YX,Davies PJ,Halinska A

更新日期：1991-09-01 00:00:00

abstract：:Subcellular particles, identical in appearance to spherosomes observed in situ, were isolated from onions (Allium cepa L.) and cabbages (Brassica capitata L.). They were minute spherules about 1 micron in diameter, filled with an evenly stained osmiophilic matrix and delimited by a single, fineline membrane 20 to 30 A...

journal_title：Plant physiology

authors： Yatsu LY,Jacks TJ,Hensarling TP

更新日期：1971-12-01 00:00:00

abstract：:We used Phytotyping4D to investigate the contribution of clock and light signaling to the diurnal regulation of rosette expansion growth and leaf movement in Arabidopsis (Arabidopsis thaliana). Wild-type plants and clock mutants with a short (lhycca1) and long (prr7prr9) period were analyzed in a T24 cycle and in T-cy...

journal_title：Plant physiology

authors： Apelt F,Breuer D,Olas JJ,Annunziata MG,Flis A,Nikoloski Z,Kragler F,Stitt M

更新日期：2017-07-01 00:00:00

abstract：:Plant mutants for genes encoding subunits of mitochondrial complex I (CI; NADH:ubiquinone oxidoreductase), the first enzyme of the respiratory chain, display various phenotypes depending on growth conditions. Here, we examined the impact of photoperiod, a major environmental factor controlling plant development, on tw...

journal_title：Plant physiology

authors： Pétriacq P,de Bont L,Genestout L,Hao J,Laureau C,Florez-Sarasa I,Rzigui T,Queval G,Gilard F,Mauve C,Guérard F,Lamothe-Sibold M,Marion J,Fresneau C,Brown S,Danon A,Krieger-Liszkay A,Berthomé R,Ribas-Carbo M,Tcherkez

更新日期：2017-01-01 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：:An acetylcholine hydrolyzing enzyme was prepared and purified (40 times) from dwarf bean hypocotyl hooks. The purity of the enzyme was proved by polyacrylamide gel electrophoresis. The molecular weight of the enzyme was determined to be 65,000 daltons. Enzyme activity was the highest at pH 8.0 and between 30 and 36 C....

journal_title：Plant physiology

authors： Ernst M,Hartmann E

更新日期：1980-03-01 00:00:00

abstract：:Cell-free extracts of Chlorella pyrenoidosa contained two enzymes capable of oxidizing d-lactate; these were glycolate dehydrogenase and NAD(+)-dependent d-lactate dehydrogenase. The two enzymes could be distinguished by differential centrifugation, glycolate dehydrogenase being largely particulate and NAD(+)-d-lactat...

journal_title：Plant physiology

authors： Gruber PJ,Frederick SE,Tolbert NE

更新日期：1974-02-01 00:00:00

abstract：:Radioactive glutamic acid and N-acetylglutamic acid have been incubated with normal and wilted leaf discs and radioactivity recovered in uncombined proline. The discs which had been placed under moisture stress incorporated considerably more label in uncombined proline than did normal discs.In extracts of swiss chard ...

journal_title：Plant physiology

authors： Morris CJ,Thompson JF,Johnson CM

更新日期：1969-07-01 00:00:00

abstract：:In pearl millet (Pennisetum americanum) seedlings, although the cytosolic phosphorylase was present in all organs, the plastidic phosphorylase was restricted to the leaf. Intercellular fractionation of the leaf revealed that cytosolic and plastidic phosphorylase were localized in the mesophyll and bundle-sheath cells,...

journal_title：Plant physiology

authors： Vally K,Selvi MT,Sharma R

更新日期：1995-10-01 00:00:00