Water Relations in Pulvini from Samanea saman: II. Effects of Excision of Motor Tissues.

abstract：:We have analyzed gene regulation of the Lhc supergene family in poplar (Populus spp.) and Arabidopsis (Arabidopsis thaliana) using digital expression profiling. Multivariate analysis of the tissue-specific, environmental, and developmental Lhc expression patterns in Arabidopsis and poplar was employed to characterize ...

journal_title：Plant physiology

authors： Klimmek F,Sjödin A,Noutsos C,Leister D,Jansson S

更新日期：2006-03-01 00:00:00

abstract：:Purified glutamine synthetase from pea seedlings was most active with Mg(2+) as the metal activator, but Mn(2+) and Co(2+) were 45 to 60% and 30 to 45% as effective, respectively, when assayed at the optimal pH for each cation. The Mg(2+) saturation curve was quite sigmoid, and evidence indicates that MgATP is the act...

journal_title：Plant physiology

authors： O'neal D,Joy KW

更新日期：1974-11-01 00:00:00

abstract：:The rate of O(2) uptake by excised Samanea pulvini oscillates with a circadian rhythm during 52 hours of darkness. Rates of respiration increase during pulvinar opening and decrease prior to and during closure, consistent with the concept that opening requires a greater expenditure of energy. Externally supplied sucro...

journal_title：Plant physiology

authors： Satter RL

更新日期：1979-09-01 00:00:00

abstract：:To identify genetic loci involved in the regulation of organ-specific enzyme activities, a specific histochemical staining protocol was used in combination with quantitative trait locus (QTL) analysis. Using phosphoglucomutase (PGM) as an example, it is shown that enzyme activity can specifically, and with high resolu...

journal_title：Plant physiology

authors： Sergeeva LI,Vonk J,Keurentjes JJ,van der Plas LH,Koornneef M,Vreugdenhil D

更新日期：2004-01-01 00:00:00

abstract：:Boron is an essential micronutrient for plant growth and the boron content of plants differs greatly, but the mechanism(s) of its uptake into cells is not known. Boron is present in the soil solution as boric acid and it is in this form that it enters the roots. We determined the boron permeability coefficient of puri...

journal_title：Plant physiology

authors： Dordas C,Chrispeels MJ,Brown PH

更新日期：2000-11-01 00:00:00

abstract：:Extracts of resting and germinating (3 days at 20 degrees C) wheat (Triticum aestivum L. cv Ruso) grains rapidly hydrolyzed various benzyloxycarbonyldipeptides (Z-dipeptides) at pH 4 to 6. Similar activities were present in extracts of mature flag leaves. Fractionation by chromatography on CM-cellulose and on Sephadex...

journal_title：Plant physiology

authors： Mikola L

更新日期：1986-07-01 00:00:00

abstract：:Ubiquitin-mediated protein modification occurs at multiple steps of abscisic acid (ABA) signaling. Here, we sought proteins responsible for degradation of the pepper (Capsicum annuum) type 2C protein phosphatase CaADIP1 via the 26S proteasome system. We showed that the RING-type E3 ligase CaAIRF1 (Capsicum annuum ADIP...

journal_title：Plant physiology

authors： Lim CW,Baek W,Lee SC

更新日期：2017-04-01 00:00:00

abstract：:The combined action of the inhibitors antimycin A and cyanide with benzohydroxamic acid indicates the presence of a cyanide-resistant pathway of respiration in chick pea (Cicer arietinum L.) seeds. The appearance of this pathway takes place during germination. During the first 12 hours of germination, the respiration ...

journal_title：Plant physiology

authors： Burguillo Pde L,Nicolás G

更新日期：1977-10-01 00:00:00

abstract：:Salicylic acid (SA) plays a central role in plant disease resistance, and emerging evidence indicates that auxin, an essential plant hormone in regulating plant growth and development, is involved in plant disease susceptibility. GH3.5, a member of the GH3 family of early auxin-responsive genes in Arabidopsis (Arabido...

journal_title：Plant physiology

authors： Zhang Z,Li Q,Li Z,Staswick PE,Wang M,Zhu Y,He Z

更新日期：2007-10-01 00:00:00

abstract：:Nitrogen accumulation in the apical spikelets on the primary branches of the main stem of rice plants have been studied during the ripening process (0-35 d after flowering). The level of NADH-dependent glutamate synthase (GOGAT) protein and activity increased 4- and 6-fold, respectively, in the first 15 d after flower...

journal_title：Plant physiology

authors： Hayakawa T,Yamaya T,Mae T,Ojima K

更新日期：1993-04-01 00:00:00

abstract：:Experiments were designed to test the hypothesis that the labeled products recovered from plant tissue incubated with [(14)C]GA(12)-7-aldehyde ([(14)C]GA(12)ald) would serve as appropriate [(14)C]markers for the recovery of naturally-occurring gibberellins (GAs). The [(14)C]GA(12)ald (about 200 millicuries per millimo...

journal_title：Plant physiology

authors： Maki SL,Brenner ML,Birnberg PR,Davies PJ,Krick TP

更新日期：1986-08-01 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：:MicroRNA319 (miR319) is one of the first characterized and conserved microRNA families in plants and has been demonstrated to target TCP (for TEOSINTE BRANCHED/CYCLOIDEA/PROLIFERATING CELL FACTORS [PCF]) genes encoding plant-specific transcription factors. MiR319 expression is regulated by environmental stimuli, sugge...

journal_title：Plant physiology

authors： Zhou M,Li D,Li Z,Hu Q,Yang C,Zhu L,Luo H

更新日期：2013-03-01 00:00:00

abstract：:Plants respond in complex ways to their environment, to their internal physiological status, and to the activity of other plants, pathogens, herbivores, and organisms. Plant Signaling 2000, a symposium sponsored by the Penn State Intercollege Graduate Program in Plant Physiology (May 18-20, 2000), explored the machine...

journal_title：Plant physiology

authors： Cosgrove DJ,Gilroy S,Kao TH,Ma H,Schultz JC

更新日期：2000-10-01 00:00:00

abstract：:When water uptake by growing cells is prevented, the turgor pressure and the tensile stress in the cell wall are reduced by continued wall loosening. This process, termed in vivo stress relaxation, provides a new way to study the dynamics of wall loosening and to measure the wall yield threshold and the physiological...

journal_title：Plant physiology

authors： Cosgrove DJ

更新日期：1987-01-01 00:00:00

abstract：:Phosphorus (P) is an essential macronutrient, and P deficiency limits plant productivity. Recent work showed that P deficiency affects electron transport to photosystem I (PSI), but the underlying mechanisms are unknown. Here, we present a comprehensive biological model describing how P deficiency disrupts the photosy...

journal_title：Plant physiology

authors： Carstensen A,Herdean A,Schmidt SB,Sharma A,Spetea C,Pribil M,Husted S

更新日期：2018-05-01 00:00:00

abstract：:Calmodulin antagonists, trifluoperazine, chlorpromazine, calmidazolium, N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7), strongly inhibited the electrofusion of barley (Hordeum vulgare L. cv Moor) protoplasts with a marked increase of broken fusion products, after 60 minutes of incubation. W-5, a dechlorinate...

journal_title：Plant physiology

authors： Abe S,Takeda J

更新日期：1986-08-01 00:00:00

abstract：:Gravitropic asymmetry of auxin was observed in hypocotyls of tomato (Lycopersicon esculentum Mill.) soon after horizontal placement: the ratio of apically supplied [3H]IAA collected from the lower sides to that from the upper sides was about 1.4 between 5 and 10 minutes. This was adequately early to account for the ...

journal_title：Plant physiology

authors： Harrison MA,Pickard BG

更新日期：1989-01-01 00:00:00

abstract：:A closed system was designed for concomitant determination of net CO(2) uptake, transpiration, and foliar nitrogen (N) loss in soybeans (Glycine max [L.] Merr.). The CO(2) uptake was monitored by infrared analysis of system air removed periodically in aliquots. Leaf vapors were trapped in calibrated tubes at Dry Ice t...

journal_title：Plant physiology

authors： Weiland RT,Stutte CA

更新日期：1980-02-01 00:00:00

abstract：:Upon Agrobacterium tumefaciens infection of a host plant, Tumor morphology root (Tmr) a bacterial adenosine phosphate-isopentenyltransferase (IPT), creates a metabolic bypass in the plastid for direct synthesis of trans-zeatin (tZ) with 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate as the prenyl donor. To understand ...

journal_title：Plant physiology

authors： Ueda N,Kojima M,Suzuki K,Sakakibara H

更新日期：2012-07-01 00:00:00

abstract：:Glutathione reductase (EC 1.6.4.2) activity is present in spinach (Spinacia oleracea L.) chloroplasts. The pH dependence and substrate concentration for half-maximal rate are reported and a possible role in chloroplasts is proposed. ...

journal_title：Plant physiology

authors： Schaedle M

更新日期：1977-05-01 00:00:00

abstract：:The ionic specificity of IAA-induced acidification by Avena coleoptiles was studied, using zwitterionic, presumably impermeant buffers. The acidification was almost totally dependent on divalent cations with an order of effectiveness of Ca(2+) >/= Sr(2+) > Mn(2+), Mg(2+); whereas other polyvalent cations tested were i...

journal_title：Plant physiology

authors： Cohen JD,Nadler KD

更新日期：1976-03-01 00:00:00

abstract：:Stomata in epidermal strips of Vicia faba opened in light and closed in darkness when floated on dilute K(+) solutions. Opening and closing, respectively, paralleled the fluxes of labeled K(+) into and out of the strips. The gain and loss of K(+) by the strips were shown by colbaltinitrite stain to be centered at guar...

journal_title：Plant physiology

authors： Humble GD,Hsiao TC

更新日期：1970-09-01 00:00:00

abstract：:High Na(+) concentrations may disrupt K(+) and Ca(2+) transport and interfere with growth of many plant species, cotton (Gossypium hirsutum L.) included. Elevated Ca(2+) levels often counteract these consequences of salinity. The effect of supplemental Ca(2+) on influx of Ca(2+), K(+), and Na(+) in roots of intact, sa...

journal_title：Plant physiology

authors： Cramer GR,Lynch J,Läuchli A,Epstein E

更新日期：1987-03-01 00:00:00

abstract：:Although air-filled intercellular spaces are necessary and ubiquitous in higher plants, little attention has been paid to the possible mechanisms by which these spaces are kept from being flooded. The most likely mechanism is that the living plant cell may maintain a hydrophobic monolayer on the surfaces of adjacent i...

journal_title：Plant physiology

authors： Woolley JT

更新日期：1983-08-01 00:00:00

abstract：:Auxin-deprived, mannitol-supplemented, suspension-cultured pear (Pyrus communis L. Passe Crassane) fruit cells produce large quantities (20-40 nanoliters ethylene per 10(6) cells per hour) of ethylene in response to auxins, CuCl(2) or 1-amino-cyclopropane-1-carboxylic acid (ACC). Maximum rates of production are achiev...

journal_title：Plant physiology

authors： Puschmann R,Romani R

更新日期：1983-12-01 00:00:00

abstract：:The pathway of phloem unloading in sink barley (Hordeum vulgare) leaves was studied using a combination of electron microscopy, carboxyfluorescein transport, and systemic movement of barley stripe mosaic virus expressing the green fluorescent protein. Studies of plasmodesmatal frequencies between the phloem and mesoph...

journal_title：Plant physiology

authors： Haupt S,Duncan GH,Holzberg S,Oparka KJ

更新日期：2001-01-01 00:00:00

abstract：:Modulation of intracellular calcium levels plays a key role in the transduction of many biological signals. Here, we characterize early calcium responses of wild-type and mutant Medicago truncatula plants to nodulation factors produced by the bacterial symbiont Sinorhizobium meliloti using a dual-dye ratiometric imagi...

journal_title：Plant physiology

authors： Shaw SL,Long SR

更新日期：2003-03-01 00:00:00

abstract：:In apple (Malus domestica Borkh.) sorbitol is the primary product of photosynthesis, the major translocated form of carbon, and a common fruit constituent and storage compound. Previous work on sorbitol metabolism has revealed a NADPH-dependent aldose 6-phosphate reductase (A6PR) in green tissues, and a NAD-dependent ...

journal_title：Plant physiology

authors： Loescher WH,Marlow GC,Kennedy RA

更新日期：1982-08-01 00:00:00

abstract：:The presence of chloroplasts in guard cells from leaf epidermis, coleoptile, flowers, and albino portions of variegated leaves was established by incident fluorescence microscopy, thus confirming the notion that guard cell chloroplasts are remarkably conserved. Room temperature emission spectra from a few chloroplasts...

journal_title：Plant physiology

authors： Zeiger E,Armond P,Melis A

更新日期：1981-01-01 00:00:00