De novo amino acid biosynthesis in potato tubers is regulated by sucrose levels.

abstract：:Lipoxidase, in the cotyledons of squash (Cucurbita moscata) seedlings grown in the dark, reached its peak activity on the fifth day and then declined to its lowest activity on the eighth day. Under continuous irradiation, the rate of enzyme disappearance was accelerated by red (655 mmu) and was retarded by far-red (73...

journal_title：Plant physiology

authors： Surrey K

更新日期：1967-03-01 00:00:00

abstract：:The effects of freezing and desiccation of spinach leaves (Spinacia oleracea L. cv Yates) on the thylakoid membranes were assessed using antibodies specific for thylakoid membrane proteins. The peripheral part of the chloroplast coupling factor ATPase (CF1) was used as a molecular marker for chemical membrane damage b...

journal_title：Plant physiology

authors： Hincha DK,Höfner R,Schwab KB,Heber U,Schmitt JM

更新日期：1987-02-01 00:00:00

abstract：:Stationary volume fluxes through living and denatured parenchyma slices of the potato (Solanum tuberosum L.) storage organ were studied to estimate the hydraulic conductivity of the cell wall and to evaluate the significance of water transport through protoplasts, cell walls, and intercellular spaces. Slices were plac...

journal_title：Plant physiology

authors： Michael W,Schultz A,Meshcheryakov AB,Ehwald R

更新日期：1997-11-01 00:00:00

abstract：:The synthetically produced fluorescent siderophore NBD-desferrioxamine B (NBD-DFO), an analog of the natural siderophore ferrioxamine B, was used to study iron uptake by plants. Short-term (10-hour) (55)Fe uptake rates by cotton (Gossypium spp.) and maize (Zea mays L.) plants from the modified siderophore were similar...

journal_title：Plant physiology

authors： Bar-Ness E,Hadar Y,Chen Y,Shanzer A,Libman J

更新日期：1992-08-01 00:00:00

abstract：:The mechanisms and the controlling factors of malate oxidation by mitochondria from leaves of Kalanchoë blossfeldiana Poelln. plants performing Crassulacean acid metabolism were investigated using Percollpurified mitochondria. The effects of pH and of various cofactors (ATP, NAD(+), coenzyme A) on malate dehydrogenase...

journal_title：Plant physiology

authors： Rustin P,Lance C

更新日期：1986-08-01 00:00:00

abstract：:Although sessile in nature, plants are able to use a number of mechanisms to modify their morphology in response to changing environmental conditions. Differential growth is one such mechanism. Despite its importance in plant development, little is known about the molecular events regulating the establishment of diffe...

journal_title：Plant physiology

authors： Stowe-Evans EL,Harper RM,Motchoulski AV,Liscum E

更新日期：1998-12-01 00:00:00

abstract：:Osmotic adjustment occurred during drought in expanded leaves of sunflowers (Helianthus annuus var Hysun 30) which had been continuously exposed to 660 microliters CO(2) per liter or had been previously acclimated to drought. The effect was greatest when the treatments were combined and was negligible in nonacclimated...

journal_title：Plant physiology

authors： Conroy JP,Virgona JM,Smillie RM,Barlow EW

更新日期：1988-04-01 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 anatomy of strawberry (Fragaria x ananassa) fruit, in which the achene is found on the outer part of the fruit, makes it an excellent species for studying the regulation of fruit development. It can provide a model for the cross talk between primary and secondary metabolism, whose role is of pivotal importance in ...

journal_title：Plant physiology

authors： Fait A,Hanhineva K,Beleggia R,Dai N,Rogachev I,Nikiforova VJ,Fernie AR,Aharoni A

更新日期：2008-10-01 00:00:00

abstract：:The changes in root system architecture (RSA) triggered by phosphate (P) deprivation were studied in Arabidopsis (Arabidopsis thaliana) plants grown for 14 d on 1 mM or 3 microM P. Two different temporal phases were observed in the response of RSA to low P. First, lateral root (LR) development was promoted between day...

journal_title：Plant physiology

authors： Nacry P,Canivenc G,Muller B,Azmi A,Van Onckelen H,Rossignol M,Doumas P

更新日期：2005-08-01 00:00:00

abstract：:Membranes enriched in ATP-dependent proton transport were prepared from suspension cultures of tomato cells (Lycopersicon esculentum Mill cv VF36). Suspension cultures were a source of large quantities of membranes from rapidly growing, undifferentiated cells. Proton transport activity was assayed as quench of acridin...

journal_title：Plant physiology

authors： Dupont FM,Zabala Mde G

更新日期：1985-01-01 00:00:00

abstract：:Distribution of K, Ca, Cl, S, and P in freeze-dried sections of Arabidopsis flower stalk was analyzed by energy dispersive x-ray imaging. Concentrations of these elements in different cell types were quantified by microanalysis of single-cell samples and phloem exudates. Results showed a differential pattern of distri...

journal_title：Plant physiology

authors： Koroleva OA,Davies A,Deeken R,Thorpe MR,Tomos AD,Hedrich R

更新日期：2000-10-01 00:00:00

abstract：:In comparison with other cell organelles, the Dunaliella salina plasma membrane was found to be highly enriched in phospholipase C activity toward exogenous [(3)H]phosphatidylinositol 4,5-bisphosphate (PIP(2)). Based on release of [(3)H]inositol phosphates, the plasma membrane exhibited a PIP(2)-phospholipase C activi...

journal_title：Plant physiology

authors： Einspahr KJ,Peeler TC,Thompson GA

更新日期：1989-07-01 00:00:00

abstract：:Dark H(2) metabolism was studied in marine and fresh water red algae, the green alga, Chlamydomonas, and mosses. A time variable and temperature-sensitive anaerobic incubation was required prior to H(2) evolution. H(2) evolution was sensitive to disalicylidenepropanediamine. An immediate H(2) uptake was observed in th...

journal_title：Plant physiology

authors： Ben-Amotz A,Erbes DL,Riederer-Henderson MA,Peavey DG,Gibbs M

更新日期：1975-07-01 00:00:00

abstract：:Oilseed plants like Arabidopsis (Arabidopsis thaliana) develop green photosynthetically active embryos. Upon seed maturation, the embryonic chloroplasts degenerate into a highly reduced plastid type called the eoplast. Upon germination, eoplasts redifferentiate into chloroplasts and other plastid types. Here, we descr...

journal_title：Plant physiology

authors： Ruppel NJ,Logsdon CA,Whippo CW,Inoue K,Hangarter RP

更新日期：2011-01-01 00:00:00

abstract：:The activity of acifluorfen-methyl (AFM); methyl 5-(2-chloro-4-[trifluoromethyl] phenoxy)-2-nitrobenzoate in excised cucumber cotyledons (Cucumis sativus L.) was examined. AFM induced membrane disruption, was significantly greater when etiolated cotyledons were illuminated 16 hours at 150 microeinsteins per square met...

journal_title：Plant physiology

authors： Halling BP,Peters GR

更新日期：1987-08-01 00:00:00

abstract：:A basic problem in silicon (Si) uptake studies in biology is the lack of an appropriate radioactive isotope. Radioactive germanium-68 ((68)Ge) has been used previously as a Si tracer in biological materials, but its suitability for the study of Si transport in higher plants is still untested. In this study, we investi...

journal_title：Plant physiology

authors： Nikolic M,Nikolic N,Liang Y,Kirkby EA,Römheld V

更新日期：2007-01-01 00:00:00

abstract：:Environmental stresses frequently decrease plant fertility. In Arabidopsis, the effect of salt stress on reproduction was examined using plants grown in hydroponic medium. Salt stress inhibited microsporogenesis and stamen filament elongation. Because plants grown in hydroponic media can be rapidly and transiently str...

journal_title：Plant physiology

authors： Sun K,Hunt K,Hauser BA

更新日期：2004-08-01 00:00:00

abstract：:No cytokinin activity was found in methanolic mesocarp extracts after purification with petroleum ether and ethyl acetate. Cytokinin activity did appear, however, in aqueous fraction after acid hydrolysis or passage through Dowex 50 (H(+)) ion exchange columns. The level of this activity, the fruit growth rate, and th...

journal_title：Plant physiology

authors： Gazit S,Blumenfeld A

更新日期：1970-08-01 00:00:00

abstract：:A 108-fold purification of the sucrose synthetase from the extract of the shoot of bamboo Lelaba oldhami was achieved by ammonium sulfate fractionation, calcium phosphate gel adsorption, and chromatographic separations on Sephadex G-100 and diethylaminoethyl-cellulose columns. Some properties of this enzyme, namely th...

journal_title：Plant physiology

authors： Su JC

更新日期：1977-07-01 00:00:00

abstract：:Photosynthetic activity and organization of chlorophyll(Chl)-protein complexes in a temperature sensitive mutant of Chlorella pyrenoidosa have been investigated. The mutant is practically indistinguishable from wild type cells when grown at 25 C. However, mutant cells grown at 33 C do not synthesize Chl and lose their...

journal_title：Plant physiology

authors： Lavintman N,Galling G,Ohad I

更新日期：1981-12-01 00:00:00

abstract：:[U-(14)C]glycine uptake into barley (Hordeum vulgare cv Hasso) vacuoles was investigated. Glycine (2 millimolar) transport was stimulated two- to fourfold by NaATP. Stimulation was saturable with respect to ATP (1 millimolar) and linear up to 20 millimolar glycine. Stimulation by NaATP was suppressed by Mg(2+) in equi...

journal_title：Plant physiology

authors： Goerlach J,Willms-Hoff I

更新日期：1992-05-01 00:00:00

abstract：:Over recent years, a number of initiatives have proposed standard reporting guidelines for functional genomics experiments. Associated with these are data models that may be used as the basis of the design of software tools that store and transmit experiment data in standard formats. Central to the success of such dat...

journal_title：Plant physiology

authors： Jenkins H,Johnson H,Kular B,Wang T,Hardy N

更新日期：2005-05-01 00:00:00

abstract：:The mobilization of stored carbohydrates (sucrose and starch) and proteins during sucrose starvation was studied with sycamore (Acer pseudoplatanus L.) cells. When almost all the intracellular carbohydrate pools had disappeared, the cell protein content declined progressively whereas asparagine determined by either (1...

journal_title：Plant physiology

authors： Genix P,Bligny R,Martin JB,Douce R

更新日期：1990-10-01 00:00:00

abstract：:ATP, which is present in the extracellular matrix of multicellular organisms and in the extracellular fluid of unicellular organisms, has been shown to function as a signaling molecule in animals. The concentration of extracellular ATP (xATP) is known to be functionally modulated in part by ectoapyrases, membrane-asso...

journal_title：Plant physiology

authors： Thomas C,Sun Y,Naus K,Lloyd A,Roux S

更新日期：1999-02-01 00:00:00

abstract：:The induction of a dissolved inorganic carbon (DIC) accumulating mechanism in the two algal species Scenedesmus obliquus (WT) and Chlamydomonas reinhardtii (137 c+) was physiologically characterized by monitoring DIC uptake kinetics at a low and constant DIC concentration (120-140 micromolar), after transfer from high...

journal_title：Plant physiology

authors： Palmqvist K,Sjöberg S,Samuelsson G

更新日期：1988-06-01 00:00:00

abstract：:Flooding is a frequently occurring environmental stress that can severely affect plant growth. This study shows that treatment of corn (Zea mays L.) seedlings with abscisic acid (ABA) increases their tolerance to anoxia 10-fold over untreated seedlings and twofold over seedlings treated with water. Corn seedlings stre...

journal_title：Plant physiology

authors： Hwang SY,Vantoai TT

更新日期：1991-10-01 00:00:00

abstract：:Enhanced disease susceptibility1 (EDS1) and phytoalexin deficient4 (PAD4) are well-known regulators of both basal and resistance (R) protein-mediated plant defense. We identified two EDS1-like (GmEDS1a/GmEDS1b) proteins and one PAD4-like (GmPAD4) protein that are required for resistance signaling in soybean (Glycine m...

journal_title：Plant physiology

authors： Wang J,Shine MB,Gao QM,Navarre D,Jiang W,Liu C,Chen Q,Hu G,Kachroo A

更新日期：2014-07-01 00:00:00

abstract：:A novel flavonol-specific sulfotransferase was partially purified from the shoot tips of Flaveria bidentis var. Angustifolia O.K. (Asteraceae) by chromatography on 3'-phosphoadenosine 5'-phosphate-agarose affinity column and chromatofocusing on Mono P. The latter step resulted in the separation of two isoforms, both o...

journal_title：Plant physiology

authors： Varin L,Ibrahim RK

更新日期：1991-04-01 00:00:00

abstract：:Histone acetylation is an important posttranslational modification correlated with gene activation. In Arabidopsis (Arabidopsis thaliana), the histone acetyltransferase AtHAC1 is homologous to animal p300/CREB (cAMP-responsive element-binding protein)-binding proteins, which are the main histone acetyltransferases par...

journal_title：Plant physiology

authors： Deng W,Liu C,Pei Y,Deng X,Niu L,Cao X

更新日期：2007-04-01 00:00:00