Isolation and characterization of cDNAs expressed in the early stages of flavonol-induced pollen germination in petunia.

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：:The occurrence of proteins able to oxidize polyphenols even in the absence of H2O2 was recently reported in mung bean (Vigna radiata L.) hypocotyl cell wall extracts (R. Goldberg, A. Chabanet, A.M. Catesson [1993] In K.G. Welinder, S.K. Rasmussen, C. Penel, H. Greppin, eds, Plant Peroxidases: Biochemistry and Physiolo...

journal_title：Plant physiology

authors： Chabanet A,Goldberg R,Catesson AM,Quinet-Szely M,Delaunay AM,Faye L

更新日期：1994-11-01 00:00:00

abstract：:Glycine decarboxylase is a mitochondrial enzyme complex, which is the site of photorespiratory CO2 and NH3 release. Although the proteins that constitute the complex are located within the mitochondria, because of their intimate association with photosynthesis their expression is controlled by light. Comparisons of th...

journal_title：Plant physiology

authors： Srinivasan R,Oliver DJ

更新日期：1995-09-01 00:00:00

abstract：:To investigate the relation between cell division and expansion in the regulation of organ growth rate, we used Arabidopsis thaliana primary roots grown vertically at 20 degreesC with an elongation rate that increased steadily during the first 14 d after germination. We measured spatial profiles of longitudinal veloci...

journal_title：Plant physiology

authors： Beemster GT,Baskin TI

更新日期：1998-04-01 00:00:00

abstract：:The phytohormone auxin regulates virtually every aspect of plant development. The hormone directly mediates the interaction between the two members of the auxin coreceptor complex, a TRANSPORT INHIBITOR RESPONSE (TIR1)/AUXIN SIGNALING F-BOX protein and an AUXIN/INDOLE-3-ACETIC ACID (Aux/IAA) transcriptional repressor....

journal_title：Plant physiology

authors： Yu H,Moss BL,Jang SS,Prigge M,Klavins E,Nemhauser JL,Estelle M

更新日期：2013-05-01 00:00:00

abstract：:Pollen tube growth requires a Ca2+ gradient, with elevated levels of cytosolic Ca2+ at the growing tip. This gradient's magnitude oscillates with growth oscillation but is always maintained. Ca2+ influx into the growing tip is necessary, and its magnitude also oscillates with growth. It has been widely assumed that st...

journal_title：Plant physiology

authors： Dutta R,Robinson KR

更新日期：2004-07-01 00:00:00

abstract：:Mercury vapor induces ethylene formation and abscission in Citrus and Coleus explants. Both responses are markedly greater in the absence of CO(2). The stimulation of these metabolically complex processes indicates that the action of mercury vapor is not consistent with the more popular conception of mercury toxicity....

journal_title：Plant physiology

authors： Goren R,Siegel SM

更新日期：1976-04-01 00:00:00

abstract：:Soybean (Glycine max [L.] Merr.) seedlings grown in the absence of combined N and in an Ar:O(2) (79:21, volume/volume) atmosphere had greater seedling and nodule mass, threefold higher acetylene reducing activity per gram fresh weight nodules, no observable increase in nitrogenase Fe-protein, and a higher energy charg...

journal_title：Plant physiology

authors： Zhu YX,Schubert KR,Kohl DH

更新日期：1991-05-01 00:00:00

abstract：:Protein turnover is a key component in cellular homeostasis; however, there is little quantitative information on degradation kinetics for individual plant proteins. We have used (15)N labeling of barley (Hordeum vulgare) plants and gas chromatography-mass spectrometry analysis of free amino acids and liquid chromatog...

journal_title：Plant physiology

authors： Nelson CJ,Alexova R,Jacoby RP,Millar AH

更新日期：2014-09-01 00:00:00

abstract：:Two benzoyl-l-tyrosine p-nitroanilide hydrolases (BTPAases I and II) were purified from the etiolated leaves of Zea mays L. and characterized. BTPAase I was electrophoretically homogeneous and consisted of two identical subunits having a molecular weight of 53,000. The molecular weight of BTPAase II was 65,000. The Mi...

journal_title：Plant physiology

authors： Doi M,Shioi Y

更新日期：1987-07-01 00:00:00

abstract：:Red pines (Pinus resinosa Ait.) were grown in a pasteurized sandy loam either unamended with phosphate or fertilized with one of two levels of phosphate (34 or 136 mg/kg) as superphosphate, and with and without addition of Hebeloma arenosa inoculum. Shoot and total dry weights of mycorrhizal seedlings grown in soil un...

journal_title：Plant physiology

authors： Macfall JS,Slack SA,Wehrli S

更新日期：1992-10-01 00:00:00

abstract：:The contribution of the alternative pathway in root respiration of Pisum sativum L. cv Rondo, Plantago lanceolata L., and Plantago major L. ssp major was determined by titration with salicylhydroxamate (SHAM) in the absence and presence of cyanide. SHAM completely inhibited the cyanide-resistant component of root resp...

journal_title：Plant physiology

authors： de Visser R,Blacquière T

更新日期：1984-07-01 00:00:00

abstract：:Soil salinity is one of the most significant abiotic stresses for crop plants, including legumes. These plants can establish root symbioses with nitrogen-fixing soil bacteria and are able to grow in nitrogen-poor soils. Medicago truncatula varieties show diverse adaptive responses to environmental conditions, such as ...

journal_title：Plant physiology

authors： de Lorenzo L,Merchan F,Blanchet S,Megías M,Frugier F,Crespi M,Sousa C

更新日期：2007-12-01 00:00:00

abstract：:Traditional virus-induced gene silencing (VIGS) is a powerful virus-based short interfering RNA-mediated RNA silencing technique for plant functional genomics. Besides short interfering RNAs, microRNAs (miRNAs) have also been shown to regulate gene expression by RNA silencing in various organisms. However, plant virus...

journal_title：Plant physiology

authors： Tang Y,Wang F,Zhao J,Xie K,Hong Y,Liu Y

更新日期：2010-06-01 00:00:00

abstract：:The oxygen requirements during the three phases of photoinduced germination of Onoclea sensibilis L. spores were analyzed by temporarily applying nitrogen atmosphere. The dark preinduction phase, during which the spores imbibe water and establish sensitivity to irradiation, involves an oxidative process which can be r...

journal_title：Plant physiology

authors： Towill LR,Ikuma H

更新日期：1975-02-01 00:00:00

abstract：:Endosperm liquid bathes the embryo of Phaseolus vulgaris from the heart stage through the late cotyledon state. This liquid was aspirated from many ovules of the same stage, pooled, and analyzed for the following constituents and parameters: [List: see text]. ...

journal_title：Plant physiology

authors： Smith JG

更新日期：1973-03-01 00:00:00

abstract：:Folates typically have gamma-linked polyglutamyl tails that make them better enzyme substrates and worse transport substrates than the unglutamylated forms. The tail can be shortened or removed by the vacuolar enzyme gamma-glutamyl hydrolase (GGH). It is known that GGH is active only as a dimer and that plants can hav...

journal_title：Plant physiology

authors： Akhtar TA,McQuinn RP,Naponelli V,Gregory JF 3rd,Giovannoni JJ,Hanson AD

更新日期：2008-10-01 00:00:00

abstract：:Using isopycnic sucrose gradients, we have ascertained the subcellular location of several enzymes involved in the processing of the N-linked oligosaccharides of glycoproteins in developing cotyledons of the common bean, Phaseolus vulgaris. All are localized in the endoplasmic reticulum (ER) or Golgi complex as determ...

journal_title：Plant physiology

authors： Sturm A,Johnson KD,Szumilo T,Elbein AD,Chrispeels MJ

更新日期：1987-11-01 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：:Autoradiographs of (22)Na-loaded bean (Phaseolus vulgaris L. cv. ;Brittle Wax') leaf slices showed that most of the tracer was concentrated in vascular tissue. Rubidium-86 was uniformly distributed in slices that had been incubated in darkness; after incubation in the light many small dark spots appeared on the autora...

journal_title：Plant physiology

authors： Jacoby B

更新日期：1975-06-01 00:00:00

abstract：:The effect of photosynthetic photon flux density (PPFD) on photosynthetic response (A) to CO(2) partial pressures between 35 pascals and CO(2) compensation point (Gamma) was investigated, especially below PPFD saturation. Spinacia oleracea cv ;Atlanta,' Glycine max cv ;Clark,' and Arbutus unedo were studied in detail....

journal_title：Plant physiology

authors： Weber JA,Tenhunen JD,Gates DM,Lange OL

更新日期：1987-09-01 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：:Disc electrophoresis was used to separate water soluble proteins from hardy, non-hardy, and frost killed cabbage (Brassica oleracea var. capitata) leaves. Amidoschwarz staining failed to reveal any new bands as a result of hardening although the relative amounts of proteins in individual bands changed. Sulfhydryl grou...

journal_title：Plant physiology

authors： Morton WM

更新日期：1969-02-01 00:00:00

abstract：:Ochromonas danica Pringsheim, a freshwater chrysomonad, converts d-glucose into l-ascorbic acid over a metabolic pathway that ;inverts' the carbon chain of the sugar. In this respect, l-ascorbic acid formation resembles that found in ascorbic acid-synthesizing animals. It differs from this process in that d-galacturon...

journal_title：Plant physiology

authors： Helsper JP,Kagan L,Hilby CL,Maynard TM,Loewus FA

更新日期：1982-02-01 00:00:00

abstract：:Tomato (Lycopersicon esculentum Mill. cv Ailsa Craig) fruit, at five stages of development, have been analyzed for their carotenoid and chlorophyll (Chl) contents, in vitro activities of phytoene synthase, phytoene desaturase, and lycopene cyclase, as well as expression of the phytoene synthase (Psy) and phytoene desa...

journal_title：Plant physiology

authors： Fraser PD,Truesdale MR,Bird CR,Schuch W,Bramley PM

更新日期：1994-05-01 00:00:00

abstract：:The breakdown of sucrose to feed both hexoses into glycolytic carbon flow can occur by the sucrose synthase pathway. This uridine diphosphate (UDP) and pyrophosphate (PPi)-dependent pathway was biochemically characterized using soluble extracts from several plants. The sucrolysis process required the simultaneous pres...

journal_title：Plant physiology

authors： Xu DP,Sung SJ,Loboda T,Kormanik PP,Black CC

更新日期：1989-06-01 00:00:00

abstract：:The partitioning of noncyclic photosynthetic electron transport between net fixation of CO(2) and collective O(2)-dependent, dissipative processes such as photorespiration has been examined in intact leaf tissue from Nicotiana tabacum. The method involves simultaneous application of CO(2) exchange and pulse modulated ...

journal_title：Plant physiology

authors： Peterson RB

更新日期：1989-08-01 00:00:00

abstract：:We report the molecular characterization and functional analysis of a gene (PsdeltaOAT) from Scots pine (Pinus sylvestris) encoding Orn-delta-aminotransferase (delta-OAT; EC 2.6.1.13), an enzyme of arginine metabolism. The deduced amino acid sequence contains a putative N-terminal signal peptide for mitochondrial targ...

journal_title：Plant physiology

authors： Cañas RA,Villalobos DP,Díaz-Moreno SM,Cánovas FM,Cantón FR

更新日期：2008-09-01 00:00:00

abstract：:Sperm cells have been isolated from pollen tubes growing in style segments of the dicotlyledon Rhododendron macgregoriae and the monocotyledon Gladiolus gandavensis by the in vivo/in vitro method at various stages of fertilization. Pollen tubes emerged from the cut end of the style into agar medium, and more than 95% ...

journal_title：Plant physiology

authors： Shivanna KR,Xu H,Taylor P,Knox RB

更新日期：1988-07-01 00:00:00

abstract：:Demand-driven signaling will contribute to regulation of sulfur acquisition and distribution within the plant. To investigate the regulatory mechanisms pedospheric sulfate and atmospheric H(2)S supply were manipulated in Brassica oleracea. Sulfate deprivation of B. oleracea seedlings induced a rapid increase of the su...

journal_title：Plant physiology

authors： Buchner P,Stuiver CE,Westerman S,Wirtz M,Hell R,Hawkesford MJ,De Kok LJ

更新日期：2004-10-01 00:00:00