Catalytic activity of maize leaf phosphoenolpyruvate carboxylase in relation to oligomerization.

abstract：:Experiments were conducted in growth chambers to examine the effect of a mild water stress (-200 kilopascals polyethylene glycol) on frond elongation and water status of the ostrich fern (Matteuccia struthiopteris [L.] Todaro). Measurements were taken for two days, starting one day after the application of polyethylen...

journal_title：Plant physiology

authors： Prange RK,Ormrod DP

更新日期：1983-05-01 00:00:00

abstract：:Embryos from rice (Oryza sativa L. var. Bluebonnet) and wheat (Triticum aestivum L.) contain an aminoacyl-tRNA protein transferase which transfers arginine from arginyl-tRNA to the N terminus of a protein acceptor. The activity was measured in vitro in a reaction mixture containing embryo supernatant fraction, buffer,...

journal_title：Plant physiology

authors： Manahan CO,App AA

更新日期：1973-07-01 00:00:00

abstract：:We have examined the effects of the substituted pyridazinone herbicide, 4-chloro-5-(dimethylamino)-2-phenyl-3(2H)pyridazinone (BASF 13-338, Sandoz 9785), on the desaturation of linoleic acid (18:2) on different molecular species of monogalactosyldiacylglycerol (MGDG) and phosphatidylcholine (PC) in leaf tissue of Arab...

journal_title：Plant physiology

authors： Norman HA,John JB

更新日期：1987-11-01 00:00:00

abstract：:The study aimed to test the hypothesis that ammonia production by Rhizobium bacteroids provides not only a source of nitrogen for growth but has a central regulatory role in maintaining the metabolic activity and functional integrity of the legume nodule. Production of ammonia in intact, attached nodules was interrupt...

journal_title：Plant physiology

authors： Atkins CA,Pate JS,Shelp BJ

更新日期：1984-11-01 00:00:00

abstract：:The role of gibberellins in flower bud development was investigated by studying the gib-1 mutant of tomato, Lycopersicon esculentum. This gibberellin-deficient mutant initiates flower buds, but floral development is not completed unless the mutant is treated with gibberellin. Treatment with other plant growth regulato...

journal_title：Plant physiology

authors： Jacobsen SE,Olszewski NE

更新日期：1991-09-01 00:00:00

abstract：:Since peroxidase and manganese have been implicated in both auxin destruction and ethylene production, the effect of auxins and high tissue levels of manganese on the peroxidative indoleacetic acid oxidase system and the internal level of ethylene was determined in cotton (Gossypium hirsutum L. cv. Watson GL-7). The h...

journal_title：Plant physiology

authors： Fowler JL,Morgan PW

更新日期：1972-04-01 00:00:00

abstract：:Control of flowering and the regulation of plant architecture have been thoroughly investigated in a number of well-studied dicot plants such as Arabidopsis, Antirrhinum, and tobacco. However, in many important monocot seed crops, molecular information on plant reproduction is still limited. To investigate the regulat...

journal_title：Plant physiology

authors： Jensen CS,Salchert K,Nielsen KK

更新日期：2001-03-01 00:00:00

abstract：:The accumulation and reduction of nitrate in the presence of the nitrogen metabolites asparagine (Asn) and glutamine (Gln) and the carbon metabolite sucrose (Suc) were examined in maize (Zea mays L.) seedlings in an attempt to separate their effects on the nitrate uptake system and the nitrate reduction system. After ...

journal_title：Plant physiology

authors： Sivasankar S,Rothstein S,Oaks A

更新日期：1997-06-01 00:00:00

abstract：:Previous labeling experiments with (18)O(2) have supported the hypothesis that stress-induced abscisic acid (ABA) is synthesized through an indirect pathway involving an oxygenated carotenoid (xanthophyll) as a precursor. To investigate ABA formation under nonstress conditions, an (18)O(2) labeling experiment was cond...

journal_title：Plant physiology

authors： Gage DA,Fong F,Zeevaart JA

更新日期：1989-04-01 00:00:00

abstract：:2-Cysteine peroxiredoxins (2-CPs) constitute a ubiquitous group of peroxidases that reduce cell-toxic alkyl hydroperoxides to their corresponding alcohols. Recently, we cloned 2-CP cDNAs from plants and characterized them as chloroplast proteins. To elucidate the physiological function of the 2-CP in plant metabolism,...

journal_title：Plant physiology

authors： Baier M,Dietz KJ

更新日期：1999-04-01 00:00:00

abstract：:Retrotransposons and their remnants often constitute more than 50% of higher plant genomes. Although extensively studied in monocot crops such as maize (Zea mays) and rice (Oryza sativa), the impact of retrotransposons on dicot crop genomes is not well documented. Here, we present an analysis of retrotransposons in so...

journal_title：Plant physiology

authors： Wawrzynski A,Ashfield T,Chen NW,Mammadov J,Nguyen A,Podicheti R,Cannon SB,Thareau V,Ameline-Torregrosa C,Cannon E,Chacko B,Couloux A,Dalwani A,Denny R,Deshpande S,Egan AN,Glover N,Howell S,Ilut D,Lai H,Del Campo S

更新日期：2008-12-01 00:00:00

abstract：:Salinity-induced alterations in tomato (Lypersicon esculentum Mill. cv Heinz 1350) root plasma membrane properties were studied and characterized using a membrane vesicle system. Equivalent rates of MgATP-dependent H(+)-transport activity were measured by quinacrine fluorescence (DeltapH) in plasma membrane vesicles i...

journal_title：Plant physiology

authors： Suhayda CG,Giannini JL,Briskin DP,Shannon MC

更新日期：1990-06-01 00:00:00

abstract：:Immature soybean embryos were isolated from soybean [Glycine max (L.) Merr.] seeds at various stages of development to study their accumulation of [(14)C]sucrose in vitro. Isolated embryos accumulate sucrose at a constant rate over several hours, the label entering large, endogenous pools of sucrose from which starch,...

journal_title：Plant physiology

authors： Thorne JH

更新日期：1982-10-01 00:00:00

abstract：:The NB mitochondrial genome found in most fertile varieties of commercial maize (Zea mays subsp. mays) was sequenced. The 569,630-bp genome maps as a circle containing 58 identified genes encoding 33 known proteins, 3 ribosomal RNAs, and 21 tRNAs that recognize 14 amino acids. Among the 22 group II introns identified,...

journal_title：Plant physiology

authors： Clifton SW,Minx P,Fauron CM,Gibson M,Allen JO,Sun H,Thompson M,Barbazuk WB,Kanuganti S,Tayloe C,Meyer L,Wilson RK,Newton KJ

更新日期：2004-11-01 00:00:00

abstract：:The purpose of this study was to investigate effects of N nutrition and water stress on stomatal behavior and CO(2) exchange rate in wheat (Triticum aestivum L. cv Olaf). Wheat plants were grown hydroponically with high (100 milligrams per liter) and low (10 milligrams per liter) N. When plants were 38 days old, a 24-...

journal_title：Plant physiology

authors： Morgan JA

更新日期：1984-09-01 00:00:00

abstract：:The sensitivity of lettuce (Lactuca sativa L. cv Grand Rapids) seeds to red light was reduced by NaCl concentrations which had no effect upon the germination of continuously illuminated seeds. The germination capacity of the seeds was fully restored by increased red light exposures. Indirect evidence indicates that Na...

journal_title：Plant physiology

authors： Scorer KN,Epel BL,Waisel Y

更新日期：1985-09-01 00:00:00

abstract：:We have investigated the involvement of phytochrome B in the early-flowering response of Arabidopsis thaliana L. seedlings to low red:far-red (R/FR) ratio light conditions. The phytochrome B-deficient hy3 (phyB) mutant is early flowering, and in this regard it resembles the shade-avoidance phenotype of its isogenic wi...

journal_title：Plant physiology

authors： Halliday KJ,Koornneef M,Whitelam GC

更新日期：1994-04-01 00:00:00

abstract：:We have previously described the construction and expression of a chimeric gene that allows developmentally regulated expression of tomato (Lycopersicon esculentum) polygalacturonase in ripening-impaired, mutant (rin) tomato fruit (JJ Giovannoni, D DellaPenna, AB Bennett, RL Fischer [1989] The Plant Cell 1: 53-63). We...

journal_title：Plant physiology

authors： Dellapenna D,Lashbrook CC,Toenjes K,Giovannoni JJ,Fischer RL,Bennett AB

更新日期：1990-12-01 00:00:00

abstract：:The sites of action of several compounds, reported to inhibit CO(2) fixation by chloroplast preparations were located by developing assays in lettuce chloroplasts to test their effect on partial reactions of the carbon cycle and on carbonic anhydrase. The results indicated that: d, l-glyceral-dehyde and 5'-AMP inhibit...

journal_title：Plant physiology

authors： Bamberger ES,Avron M

更新日期：1975-10-01 00:00:00

abstract：:A 100-fold purification of a reduced triphosphopyridine nucleotide/3-methyleneoxindole reductase of peas has been achieved using conventional protein fractionation procedures. Reduced diphosphopyridine nucleotide is 25-fold less effective than reduced triphosphopyridine nucleotide as the reductant. The preparation is ...

journal_title：Plant physiology

authors： Moyed HS,Williamson V

更新日期：1967-04-01 00:00:00

abstract：:A comparison of barley (Hordeum vulgare L.) leaves was made between the cytosolic content of amino acids and sucrose as determined by subcellular fractionation and the corresponding concentration in phloem sap, which was collected continuously for up to 6 days from severed aphid stylets. Because amino acids were found...

journal_title：Plant physiology

authors： Winter H,Lohaus G,Heldt HW

更新日期：1992-07-01 00:00:00

abstract：:High temperature stress reduces grain growth in wheat (Triticum aestivum L.) by altering source activity and sink capacity. The impact of stress on source and sink interactions in two wheat cultivars of differing source thermotolerance was monitored by analysis of chlorophyll fluorescence transients, Fv (variable fluo...

journal_title：Plant physiology

authors： Harding SA,Guikema JA,Paulsen GM

更新日期：1990-03-01 00:00:00

abstract：:White lupin (Lupinus albus) is well adapted to phosphorus deficiency by developing cluster roots that release large amounts of citrate into the rhizosphere to mobilize the sparingly soluble phosphorus. To determine the mechanism underlying citrate release from cluster roots, we isolated protoplasts from different type...

journal_title：Plant physiology

authors： Zhang WH,Ryan PR,Tyerman SD

更新日期：2004-11-01 00:00:00

abstract：:Dark treatment of 25-day-old greenhouse-grown plants of inoculated soybean (Glycine max var. Chippewa) for 1 day reduced ATP by 70%, sucrose by 60%, total adenosine phosphates by 60%, ATP/ADP ratio by 55%, nitrogenase activity by 50%, and energy charge by 15% in nodules. The close correlation between nitrogenase activ...

journal_title：Plant physiology

authors： Ching TM,Hedtke S,Russell SA,Evans HJ

更新日期：1975-04-01 00:00:00

abstract：:Nonautotrophic CO(2) metabolism in Opuntia echinocarpa roots was studied with techniques of manometry and radiometry. The roots were grown in a one-quarter strength nutrient solution for several days; the distal 2 cm was used for physiological studies. The roots assimilated significant quantities of (14)CO(2) and appe...

journal_title：Plant physiology

authors： Ting IP,Dugger WM

更新日期：1966-03-01 00:00:00

abstract：:Red-light irradiation of etiolated wheat (Triticum aestivum L.) leaf protoplasts rapidly increases calcium-dependent phosphorylation in vivo of 70- and 60-kD peptides, and the phosphorylation is attenuated by simultaneous far-red light (K.M. Fallon, P.S. Shacklock, A.J. Trewavas [1993] Plant Physiology 101:1039-1045)....

journal_title：Plant physiology

authors： Fallon KM,Trewavas AJ

更新日期：1994-05-01 00:00:00

abstract：:A screening procedure for identifying Cd-sensitive mutants of Arabidopsis thaliana is described. With this procedure, two Cd-sensitive mutants were isolated. These represent independent mutations in the same locus, referred to as CAD1. Genetic analysis has shown that the sensitive phenotype is recessive to the wild ty...

journal_title：Plant physiology

authors： Howden R,Cobbett CS

更新日期：1992-09-01 00:00:00

abstract：:The unicellular green alga Chlamydomonas reinhardtii is a widely used model organism for studies of oxygenic photosynthesis in eukaryotes. Here we describe the development of a resource for functional genomics of photosynthesis using insertional mutagenesis of the Chlamydomonas nuclear genome. Chlamydomonas cells were...

journal_title：Plant physiology

authors： Dent RM,Haglund CM,Chin BL,Kobayashi MC,Niyogi KK

更新日期：2005-02-01 00:00:00

abstract：:Sensitive differential scanning calorimetry was employed to investigate thylakoid membrane structure. Calorimetric scans of chloroplast membranes suspended in a low ionic strength Hepesbuffered medium revealed endothermic transitions centered at the following temperatures ( degrees C): A (42.5), B (60.6), C(1) (64.9),...

journal_title：Plant physiology

authors： Smith KA,Low PS

更新日期：1989-06-01 00:00:00

abstract：:We screened a total of 1365 pea (Pisum sativum) lines for response to inoculation with Agrobacterium tumefaciens, strain B6, and characterized resistance in one cultivar, Sweet Snap. Sweet Snap seedlings were highly resistant to tumorigenesis under most conditions. Resistance was overcome at inoculum concentrations of...

journal_title：Plant physiology

authors： Robbs SL,Hawes MC,Lin HJ,Pueppke SG,Smith LY

更新日期：1991-01-01 00:00:00