Effects of Air Pollutants on the Composition of Stable Carbon Isotopes, deltaC, of Leaves and Wood, and on Leaf Injury.

abstract：:Extraction of maize (Zea mays) leaves by progressive grinding under suitably protective conditions yields total carbonic anhydrase activities (4800 units per milligram chlorophyll) comparable to the activity in spinach (Spinacia oleracea) leaves. The total ribulose diphosphate carboxylase activity was also equal to or...

journal_title：Plant physiology

authors： Poincelot RP

更新日期：1972-09-01 00:00:00

abstract：:Stimulation of active oxygen metabolism occurs during the early stages of interactions involving bacteria and plant cell suspensions. Although many cellular processes are known to affect active oxygen metabolism in plants, it is not known which of these factors affect active oxygen levels during plant-bacteria interac...

journal_title：Plant physiology

authors： Baker CJ,Harmon GL,Glazener JA,Orlandi EW

更新日期：1995-05-01 00:00:00

abstract：:The present studies provide the first measurements of the resistance to diffusive flux of metabolites between mesophyll and bundle sheath cells of C(4) plants. Species examined were Panicum miliaceum, Urochloa panicoides, Atriplex spongiosa, and Zea mays. Diffusive flux of metabolites into isolated bundle sheath cells...

journal_title：Plant physiology

authors： Weiner H,Burnell JN,Woodrow IE,Heldt HW,Hatch MD

更新日期：1988-11-01 00:00:00

abstract：:3-deoxy-D-manno-2-octulosonic acid-8-phosphate (Kdo-8-P) synthase catalyzes the condensation of phosphoenolpyruvate with D-arabinose-5-phosphate to yield Kdo-8-P. Kdo-8-P is the phosphorylated precursor of Kdo, a rare sugar only found in the rhamnogalacturonan II pectic fraction of the primary cell walls of higher pla...

journal_title：Plant physiology

authors： Delmas F,Petit J,Joubès J,Séveno M,Paccalet T,Hernould M,Lerouge P,Mouras A,Chevalier C

更新日期：2003-09-01 00:00:00

abstract：:Very low ethylene production rates were measured in nonpollinated Cyclamen persicum Mill flowers, and no change in production was observed during the whole life span of the flower until death. Normal senescence was accompanied by a gradual discoloration and loss of turgor followed by wilting. Pollination induced a dra...

journal_title：Plant physiology

authors： Halevy AH,Whitehead CS,Kofranek AM

更新日期：1984-08-01 00:00:00

abstract：:Developmental changes of tomato (Lycopersicon esculentum) fruit tissues during maturation were analyzed by a physically defined method (stress-relaxation analysis). The tip of a conical probe connected to a load sensor was positioned on the cut surface of a sliced tomato fruit, and the decay of the imposed stress was ...

journal_title：Plant physiology

authors： Kojima K,Sakurai N,Kuraishi S,Yamamoto R,Nevins DJ

更新日期：1991-06-01 00:00:00

abstract：:Amylase was found in high activity (193 international units per milligram protein) in the tap root of alfalfa (Medicago sativa L. cv. Sonora). The activity was separated by gel filtration chromatography into two fractions with molecular weights of 65,700 (heavy amylase) and 41,700 (light amylase). Activity staining of...

journal_title：Plant physiology

authors： Doehlert DC,Duke SH,Anderson L

更新日期：1982-05-01 00:00:00

abstract：:Plant reproduction depends on the concerted activation of many genes to ensure correct communication between pollen and pistil. Here, we queried the whole transcriptome of Arabidopsis (Arabidopsis thaliana) in order to identify genes with specific reproductive functions. We used the Affymetrix ATH1 whole genome array ...

journal_title：Plant physiology

authors： Boavida LC,Borges F,Becker JD,Feijó JA

更新日期：2011-04-01 00:00:00

abstract：:Endogenous respiration of spores of the fungus Myrothecium verrucaria can be stimulated up to over-10 fold by diverse chemicals or by physical treatments. Greatest effects were caused by azide (12-fold at 250 mum) and by 2,4-dinitrophenol (7-fold at 300 mum). Marked stimulation was also caused by 10 mum silver (5-fold...

journal_title：Plant physiology

authors： Mandels GR,Maguire A

更新日期：1972-10-01 00:00:00

abstract：:Some properties of microsomal electron transfer chains, dependent for oxidase activity on addition of NADH or NADPH, duroquinone, and oxygen (L. De Luca et al., 1984, Plant Sci Lett 36: 93-98) are described. Activity is characterized by negatively cooperative kinetics toward reduced pyridine nucleotides, with limiting...

journal_title：Plant physiology

authors： Pupillo P,Valenti V,De Luca L,Hertel R

更新日期：1986-02-01 00:00:00

abstract：:The relationship between the state of oligomerization and activity of purified maize leaf phosphoenolpyruvate carboxylase using size exclusion high performance liquid chromatography was examined. Maximum activities of 35 to 38 micromoles per minute per milligram protein were found when 100% of the enzyme was in its te...

journal_title：Plant physiology

authors： Walker GH,Ku MS,Edwards GE

更新日期：1986-04-01 00:00:00

abstract：:Relative elemental growth rate (REGR) profiles describe spatial patterns of growth intensity; they are indispensable for causal growth analyses. Published methods of REGR profile determination from marking experiments fall in two classes: the profile is either described by a series of segmental growth rates, or calcul...

journal_title：Plant physiology

authors： Peters WS,Bernstein N

更新日期：1997-04-01 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：:Phycoerythrin, a photosynthetic accessory pigment, was isolated from Porphyridium cruentum and examined by electron microscopy and disc gel electrophoresis. The absorption monomer, with maxima at 563, 545, and a shoulder at 500 nm, has a molecular weight of about 300,000. With phosphotungstic acid staining it appears ...

journal_title：Plant physiology

authors： Gantt E

更新日期：1969-11-01 00:00:00

abstract：:One of the most abundant proteins in maize (Zea mays L.) embryos is the molecular weight 63,000 globulin encoded by the Glb1 gene. To obtain DNA clones corresponding to Glb1, a cDNA library corresponding to RNA from developing maize embryos was constructed in a lambda expression vector and screened with antibodies spe...

journal_title：Plant physiology

authors： Belanger FC,Kriz AL

更新日期：1989-10-01 00:00:00

abstract：:Mannan polysaccharides are widespread among plants, where they serve as structural elements in cell walls, as carbohydrate reserves, and potentially perform other important functions. Previous work has demonstrated that members of the cellulose synthase-like A (CslA) family of glycosyltransferases from Arabidopsis (Ar...

journal_title：Plant physiology

authors： Liepman AH,Nairn CJ,Willats WG,Sørensen I,Roberts AW,Keegstra K

更新日期：2007-04-01 00:00:00

abstract：:A procedure is described for isolating and purifying mesophyll protoplasts and bundle sheath protoplasts of the C(4) plant Panicum miliaceum. Following enzymic digestion of leaf tissue, mesophyll protoplasts and bundle sheath protoplasts are released and purified by density centrifugation. The lower density of mesophy...

journal_title：Plant physiology

authors： Edwards GE

更新日期：1979-05-01 00:00:00

abstract：:Irradiation of the gametophytes of Pteridium aquilinum with blue light led to a nearly 5-fold increase in the amino acid-incorporating activity of isolated chloroplasts. The blue light effect was not due to increased synthesis of ATP or other energy donors by the chloroplasts but was probably related to an increased p...

journal_title：Plant physiology

authors： Raghavan V,Demaggio AE

更新日期：1971-07-01 00:00:00

abstract：:Cold acclimation of Arabidopsis thaliana includes the expression of cold-regulated (COR) genes and the accumulation of COR polypeptides. The hydration characteristics of two COR polypeptides, COR6.6 and COR15am, have been determined and their effects on the dehydration-induced liquid crystalline-to-gel and lamellar-to...

journal_title：Plant physiology

authors： Webb MS,Gilmour SJ,Thomashow MF,Steponkus PL

更新日期：1996-05-01 00:00:00

abstract：:Glutathione is generally accepted as the principal electron donor for dehydroascorbate (DHA) reduction. Moreover, both glutathione and DHA affect cell cycle progression in plant cells. But other mechanisms for DHA reduction have been proposed. To investigate the connection between DHA and glutathione, we have evaluate...

journal_title：Plant physiology

authors： Potters G,Horemans N,Bellone S,Caubergs RJ,Trost P,Guisez Y,Asard H

更新日期：2004-04-01 00:00:00

abstract：:A simple, repeatable, and accurate method is described for the collection of apoplastic and membrane-filtered symplastic sap fractions, and for the determination of the origin of these fractions within the leaf. The apoplastic distribution patterns of the naturally occurring apoplastic leaf solutes, and the apoplastic...

journal_title：Plant physiology

authors： Jachetta JJ,Appleby AP,Boersma L

更新日期：1986-12-01 00:00:00

abstract：:In higher plants, the most abundant sterol derivatives are steryl glycosides (SGs) and acyl SGs. Arabidopsis (Arabidopsis thaliana) contains two genes, UGT80A2 and UGT80B1, that encode UDP-Glc:sterol glycosyltransferases, enzymes that catalyze the synthesis of SGs. Lines having mutations in UGT80A2, UGT80B1, or both U...

journal_title：Plant physiology

authors： DeBolt S,Scheible WR,Schrick K,Auer M,Beisson F,Bischoff V,Bouvier-Navé P,Carroll A,Hematy K,Li Y,Milne J,Nair M,Schaller H,Zemla M,Somerville C

更新日期：2009-09-01 00:00:00

abstract：:Photosynthetic (14)CO(2) fixation, [(14)C]glycolate formation, and the decarboxylation of [1-(14)C]glycolate and [1-(14)C]glycine by leaf mesophyll protoplasts isolated from isogenic diploid and tetraploid cultivars of ryegrass (Lolium perenne L.) were examined. The per cent O(2) inhibition of photosynthesis in protop...

journal_title：Plant physiology

authors： Rathnam CK,Chollet R

更新日期：1980-03-01 00:00:00

abstract：:The cyanobacterium Agmenellum quadruplicatum PR-6 (Synechococcus sp PCC 7002) was grown turbidostatically in white light at three levels of irradiance: 20, 200, and 1260 microeinsteins per square meter per second. Phycobilisomes were isolated from each culture and analyzed by absorbance, gel electrophoresis, and elect...

journal_title：Plant physiology

authors： de Lorimier RM,Smith RL,Stevens SE

更新日期：1992-03-01 00:00:00

abstract：:Antibodies were raised against carrot (Daucus carota) cell wall beta-fructosidase that was either in a native configuration (this serum is called anti-betaF(1)) or chemically deglycosylated (anti-betaF(2)). The two antisera had completely different specificities when tested by immunoblotting. The anti-betaF(1) serum r...

journal_title：Plant physiology

authors： Laurière M,Laurière C,Chrispeels MJ,Johnson KD,Sturm A

更新日期：1989-07-01 00:00:00

abstract：:Short exposure of the spores of Cheilanthes farinosa to low intensity red light promotes their germination, which is not reversed by a subsequent exposure to far red light. Germination is, however, inhibited by blue light administered before or after red light. Inhibition of germination by blue light is annulled by ex...

journal_title：Plant physiology

authors： Raghavan V

更新日期：1973-02-01 00:00:00

abstract：:The major fatty acids (16 and 18 carbons) in leaves, flowers, and seeds of Nicotiana tabacum L. cv. Catterton have been analyzed at various intervals during the growth period. From the pattern of their accumulation and relative distribution, it was found that A) the amount of fatty acids in upper young leaves attained...

journal_title：Plant physiology

authors： Chu H,Tso TC

更新日期：1968-03-01 00:00:00

abstract：:The Arabidopsis (Arabidopsis thaliana) orthologs of Brca2, a protein whose mutations are involved in breast cancer in humans, were previously shown to be essential at meiosis. In an attempt to better understand the Brca2-interacting properties, we examined four partners of the two isoforms of Brca2 identified in Arabi...

journal_title：Plant physiology

authors： Dray E,Siaud N,Dubois E,Doutriaux MP

更新日期：2006-03-01 00:00:00

abstract：:Metal accumulation in seeds is a prerequisite for germination and establishment of plants but also for micronutrient delivery to humans. To investigate metal transport processes and their interactions in seeds, we focused on METAL TOLERANCE PROTEIN8 (MTP8), a tonoplast transporter of the manganese (Mn) subclade of cat...

journal_title：Plant physiology

authors： Eroglu S,Giehl RFH,Meier B,Takahashi M,Terada Y,Ignatyev K,Andresen E,Küpper H,Peiter E,von Wirén N

更新日期：2017-07-01 00:00:00

abstract：:Viviparous1 (Vp1) encodes a B3 domain-containing transcription factor that is a key regulator of seed maturation in maize (Zea mays). However, the mechanisms of Vp1 regulation are not well understood. To examine physiological factors that may regulate Vp1 expression, transcript levels were monitored in maturing embryo...

journal_title：Plant physiology

authors： Cao X,Costa LM,Biderre-Petit C,Kbhaya B,Dey N,Perez P,McCarty DR,Gutierrez-Marcos JF,Becraft PW

更新日期：2007-02-01 00:00:00