Saponin biosynthesis in Saponaria vaccaria. cDNAs encoding beta-amyrin synthase and a triterpene carboxylic acid glucosyltransferase.

abstract：:We have constructed a chimeric gene consisting of the promoter, first exon, and first intron of a maize ubiquitin gene (Ubi-1) and the coding sequence of the bar gene from Streptomyces hygroscopicus. This construct was transferred into rice (Oryza sativa L.) protoplasts via electroporation, and 10 plants were regenera...

journal_title：Plant physiology

authors： Toki S,Takamatsu S,Nojiri C,Ooba S,Anzai H,Iwata M,Christensen AH,Quail PH,Uchimiya H

更新日期：1992-11-01 00:00:00

abstract：:Maize (Zea mays) leaves develop basipetally (tip to base); the upper blade emerges from the shoot apical meristem (SAM) before the expansion of the lower sheath. Founder cells, leaf initials located in the periphery of the SAM, are distinguished from the SAM proper by the differential accumulation of KNOX proteins. KN...

journal_title：Plant physiology

authors： Scanlon MJ

更新日期：2003-10-01 00:00:00

abstract：:A survey of leaf soluble amino acids was conducted for four subtropical seagrasses grown at several salinities. Proline functioned as an organic osmoticum in Halodule wrightii Aschers., Thallasia testudinum Banks ex Koenig, and Ruppia maritima L., while alanine functioned in an osmoregulatory capacity in Halophila eng...

journal_title：Plant physiology

authors： Pulich WM

更新日期：1986-01-01 00:00:00

abstract：:Diatoms constitute a major phylum of phytoplankton biodiversity in ocean water and freshwater ecosystems. They are known to respond to some chemical variations of the environment by the accumulation of triacylglycerol, but the relative changes occurring in membrane glycerolipids have not yet been studied. Our goal was...

journal_title：Plant physiology

authors： Abida H,Dolch LJ,Meï C,Villanova V,Conte M,Block MA,Finazzi G,Bastien O,Tirichine L,Bowler C,Rébeillé F,Petroutsos D,Jouhet J,Maréchal E

更新日期：2015-01-01 00:00:00

abstract：:Current understanding of floral development is mainly based on what we know from Arabidopsis (Arabidopsis thaliana) and Antirrhinum majus. However, we can learn more by comparing developmental mechanisms that may explain morphological differences between species. A good example comes from the analysis of genes control...

journal_title：Plant physiology

authors： Berbel A,Navarro C,Ferrándiz C,Cañas LA,Beltrán JP,Madueño F

更新日期：2005-09-01 00:00:00

abstract：:When ribulose-1,5-bisphosphate carboxylase is assayed under N(2) using [(3)H]ribulose 1,5-bisphosphate and (14)CO(2), [(3)H]3-phosphoglycerate and [(14)C]3-phosphoglycerate are produced in nonstoichiometric amounts in a ratio which approaches 7 at low concentrations of CO(2) (2 micromolar) assuming a 1:1 ratio at V(ma...

journal_title：Plant physiology

authors： Tomany MJ,Kent SS

更新日期：1986-04-01 00:00:00

abstract：:A 135-kD actin-bundling protein was purified from pollen tubes of lily (Lilium longiflorum) using its affinity to F-actin. From a crude extract of the pollen tubes, this protein was coprecipitated with exogenously added F-actin and then dissociated from F-actin by treating it with high-ionic-strength solution. The pro...

journal_title：Plant physiology

authors： Yokota E,Shimmen KiTT

更新日期：1998-04-01 00:00:00

abstract：:The ictA gene, renamed ndhL in this paper, essential to inorganic carbon transport of Synechocystis PCC6803, was expressed in Eschericia coli as a fusion protein with glutathione S-transferase. An antibody was raised against this fusion protein. Western analysis of the thylakoid membrane of wild-type (WT) Synechocysti...

journal_title：Plant physiology

authors： Ogawa T

更新日期：1992-08-01 00:00:00

abstract：:Enhancement phenomena in photosynthesis of the diatom Phaeodactylum tricornutum Lewin were studied by means of a Haxo oxygen electrode and 2 monochromatic light beams. It was necessary to correct for a minor non-linearity in rate oxygen evolution vs. intensity similar to that reported for Chlorella. Action spectra on ...

journal_title：Plant physiology

authors： Mann JE,Myers J

更新日期：1968-12-01 00:00:00

abstract：:Transcription of the Arabidopsis thaliana gene encoding ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activase (RCA) is organ-specific, light-responsive, and regulated by the circadian clock. RCA is transcribed throughout the green parts of the plant, but not in roots and petals. Responses elicited by shor...

journal_title：Plant physiology

authors： Liu Z,Taub CC,McClung CR

更新日期：1996-09-01 00:00:00

abstract：:We report here a method for the isolation of high specific activity phosphoglycerate kinase (EC 2.7.2.3) from chloroplasts. The enzyme has been purified over 200-fold from pea (Pisum sativum L.) stromal extracts to apparent homogeneity with 23% recovery. Negative cooperativity is observed with the two enzyme phosphogl...

journal_title：Plant physiology

authors： Macioszek J,Anderson JB,Anderson LE

更新日期：1990-09-01 00:00:00

abstract：:Phenylpropanoid biosynthesis in plants engenders myriad phenolics with diverse biological functions. Phenylalanine ammonia-lyase (PAL) is the first committed enzyme in the pathway, directing primary metabolic flux into a phenylpropanoid branch. Previously, we demonstrated that the Arabidopsis (Arabidopsis thaliana) Ke...

journal_title：Plant physiology

authors： Zhang X,Gou M,Guo C,Yang H,Liu CJ

更新日期：2015-02-01 00:00:00

abstract：:Ethylene inhibited the tuberization of etiolated potato (Solanum tuberosum L. var. Red La Soda) sprout sections cultured in vitro. Carbon dioxide did not overcome the C(2)H(4) inhibition but it was required for normal tuberization. Ethylene totally prevented root formation and development. It inhibited stolon elongati...

journal_title：Plant physiology

authors： Mingo-Castel AM,Smith OE,Kumamoto J

更新日期：1976-04-01 00:00:00

abstract：:In all eukaryotes, cell cycle progression is controlled by cyclin-dependent kinases (CDKs) whose activity is regulated at several levels including inhibition by CDK inhibitors. Here, we report a comparative molecular and functional analysis of the tobacco (Nicotiana tomentosiformis) CDK inhibitor, NtKIS1a, and its spl...

journal_title：Plant physiology

authors： Jasinski S,Perennes C,Bergounioux C,Glab N

更新日期：2002-12-01 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

abstract：:The effect of varying sequences of red and far red light on sterol biosynthesis in etiolated seedlings of Digitalis purpurea L. was examined. Red light caused a marked increase in the amounts of free and glycosidic sterols and a small decrease in esterified sterols during the first 4 hours after illumination. Far red ...

journal_title：Plant physiology

authors： Jacobsohn MK

更新日期：1978-12-01 00:00:00

abstract：:Adenosine kinase (ADK) is a key enzyme that regulates intra- and extracellular levels of adenosine, thereby modulating methyltransferase reactions, production of polyamines and secondary compounds, and cell signaling in animals. Unfortunately, little is known about ADK's contribution to the regulation of plant growth ...

journal_title：Plant physiology

authors： Young LS,Harrison BR,Narayana Murthy UM,Moffatt BA,Gilroy S,Masson PH

更新日期：2006-10-01 00:00:00

abstract：:In maize (Zea mays) and other grasses, changes in orientation of stems are perceived by pulvinal tissue, which responds to the stimulus by differential growth resulting in upward bending of the stem. The amyloplast-containing bundle sheath cells are the sites of gravity perception, although the initial steps of gravit...

journal_title：Plant physiology

authors： Johannes E,Collings DA,Rink JC,Allen NS

更新日期：2001-09-01 00:00:00

abstract：:Germination of lettuce (Lactuca sativa) 'Grand Rapids' seeds is regulated by phytochrome. The action of phytochrome includes alterations in the levels of gibberellin (GA) and abscisic acid (ABA). To determine the molecular mechanism of phytochrome regulation of ABA metabolism, we isolated four lettuce cDNAs encoding 9...

journal_title：Plant physiology

authors： Sawada Y,Aoki M,Nakaminami K,Mitsuhashi W,Tatematsu K,Kushiro T,Koshiba T,Kamiya Y,Inoue Y,Nambara E,Toyomasu T

更新日期：2008-03-01 00:00:00

abstract：:Glyceraldehyde 3-phosphate dehydrogenases (EC 1.2.1.12 and 1.2.1.13) have been purified from the seed, root, etiolated, and green shoot of peas (Pisum sativum). These enzymes are tetramers of 140,000 daltons, with subunits of 35,000 daltons. The enzymes differ in isoelectric point. The seed enzyme has a pI of 5.1, and...

journal_title：Plant physiology

authors： McGowan RE,Gibbs M

更新日期：1974-09-01 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

abstract：:Superoxide dismutase was purified from pea (Pisum sativum L., cv. Wando) seeds and corn (Zea mays L., cv. Michigan 500) seedlings. The purified pea enzyme eluting as a single peak from gel exclusion chromatography columns contained the three electrophoretically distinct bands of superoxide dismutase characterizing the...

journal_title：Plant physiology

authors： Giannopolitis CN,Ries SK

更新日期：1977-02-01 00:00:00

abstract：:Elongation of leaves and stem is a key trait for survival of terrestrial plants during shallow but prolonged floods that completely submerge the shoot. However, natural floods at different locations vary strongly in duration and depth, and, therefore, populations from these locations are subjected to different selecti...

journal_title：Plant physiology

authors： Chen X,Pierik R,Peeters AJ,Poorter H,Visser EJ,Huber H,de Kroon H,Voesenek LA

更新日期：2010-10-01 00:00:00

abstract：:Physalis spp. develop the "Chinese lantern" trait, also known as inflated calyx syndrome, that is a morphological novelty. Here, we identified the double-layered-lantern1 (doll1) mutant, a recessive and monofactorial mutation, in Physalis floridana; its corolla and androecium were transformed into the calyx and gynoec...

journal_title：Plant physiology

authors： Zhang JS,Li Z,Zhao J,Zhang S,Quan H,Zhao M,He C

更新日期：2014-02-01 00:00:00

abstract：:Ribulose 1,5-bisphosphate carboxylase (RuBPCase) was chosen as a model protein to study how heat shock (HS) affects both chloroplast protein synthesis and the nuclear-chloroplast interaction in production of chloroplast proteins. Experiments were performed using highly chlorophyllous, soybean (Glycine max L. Merr. var...

journal_title：Plant physiology

authors： Vierling E,Key JL

更新日期：1985-05-01 00:00:00

abstract：:Sucrose synthase (EC 2.4.1.13) of sugarbeet (Beta vulgaris L.) fibrous roots has a distinctly different order of preference for nucleoside diphosphate substrates than that of the taproot enzyme (Silvius, Snyder 1979 Plant Physiol 64: 1070-1073). Separation and quantitation of UDP, ADP, and GDP in root extracts by high...

journal_title：Plant physiology

authors： Silvius JE,Snyder FW,Kremer DF

更新日期：1982-07-01 00:00:00

abstract：:Leaflets of Vicia faba were pulse-labeled with (14)CO(2) to follow the subsequent movement of photosynthate between leaf tissues. Samples were taken during a (12)CO(2) chase, quick frozen, freeze-substituted, and embedded in methacrylate. Paradermal sections provided tissue samples consisting only of upper epidermis, ...

journal_title：Plant physiology

authors： Outlaw WH,Fisher DB

更新日期：1975-04-01 00:00:00

abstract：:A family of specific guanine nucleotide-binding proteins in Dunaliella salina was studied. Polypeptides of different subcellular fractions were separated by electrophoresis and transferred to nitrocellulose or Immobilon membranes. Incubation of the transfer blots with [(35)S]GTPgammaS or [alpha-(32)P]GTP showed no evi...

journal_title：Plant physiology

authors： Rodríguez-Rosales MP,Herrin DL,Thompson GA

更新日期：1992-02-01 00:00:00

abstract：:Plant cells rely on plasmodesmata for intercellular transport of small signaling molecules as well as larger informational macromolecules such as proteins. A green fluorescent protein (GFP) reporter and low-pressure microprojectile bombardment were used to quantify the degree of symplastic continuity between cells of ...

journal_title：Plant physiology

authors： Crawford KM,Zambryski PC

更新日期：2001-04-01 00:00:00

abstract：:The ricinine content of etiolated seedlings of Ricinus communis increased nearly 12-fold over a 4-day period. In plants quinolinic acid is an intermediate in the de novo pathway for the synthesis of pyridine nucleotides. The only known enzyme in the de novo pathway for pyridine nucleotide biosynthesis, quinolinic acid...

journal_title：Plant physiology

authors： Mann DF,Byerrum RU

更新日期：1974-04-01 00:00:00