Topographical features of the membrane of Poterioochromonas malhamensis after colchicine and osmotic treatment.

abstract：:In order to analyze the genetic programme expressed during the early stages of embryogenesis a cDNA clone bank was constructed from desiccation-tolerant excised barley embryos 18 d after pollination (D. Bartels et al., 1988, Planta 175, 485-492). One of the selected cDNA clones pG31 encodes a transcript of 1300 nucleo...

journal_title：Planta

authors： Alexander R,Alamillo JM,Salamini F,Bartels D

更新日期：1994-01-01 00:00:00

abstract：:The maximum extractable activities of twenty-one photosynthetic and glycolytic enzymes were measured in mature leaves of Mesembryanthemum crystallinum plants, grown under a 12 h light 12 h dark photoperiod, exhibiting photosynthetic characteristics of either a C3 or a Crassulacean acid metabolism (CAM) plant. Followin...

journal_title：Planta

authors： Holtum JA,Winter K

更新日期：1982-06-01 00:00:00

abstract：:A study has been made of the wall fibrils produced by tobacco protoplasts, using scanning electron microscopy in conjunction with negative staining. It has been shown that the fibres seen in scanning electron microscopy correspond to aggregates of microfibrils. These aggregates are only visible where they are lifted c...

journal_title：Planta

authors： Burgess J,Linstead PJ

更新日期：1979-01-01 00:00:00

abstract：:A cDNA clone was isolated from tree peony (Paeonia suffruticosa) subtractive cDNA library of burst buds and characterized with regard to its sequence, expression in response to chilling treatment during the release of bud dormancy, and its function in transgenic Arabidopsis thaliana. The clone, designated as PsMPT, co...

journal_title：Planta

authors： Huang X,Zhu W,Dai S,Gai S,Zheng G,Zheng C

更新日期：2008-09-01 00:00:00

abstract：:Enzyme activity is not uniformly distributed through the cotyledon of Pisum arvense. Initially the peripheral region, certain scattered cells of the storage tissue and the procambium show a high level of activity of succinic dehydrogenase, cytochrome oxidase, acid phosphatase and esterase. Activity of acid phosphatase...

journal_title：Planta

authors： Flinn AM,Smith DL

更新日期：1967-03-01 00:00:00

abstract：:In the ovary of Aptenia cordifolia and Platythyra haeckeliana placentary papillae produce a slime containing polysaccharides and proteins. These papillae show two types of conspicuous vacuoles enclosed by rough ER cisternae and complexes of concentrically arranged rough ER. The enclosed vacuoles probably play an impor...

journal_title：Planta

authors： Kristen U

更新日期：1977-01-01 00:00:00

abstract：:In several plant species, ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activase consists of two isoforms that are produced by alternative splicing of a pre-mRNA. Two forms of activase corresponding to the longer, redox-regulated alpha and the shorter, beta forms were detected immunologically in cotton (Go...

journal_title：Planta

authors： Salvucci ME,van de Loo FJ,Stecher D

更新日期：2003-03-01 00:00:00

abstract：:The expansion growth of plant organs is inhibited at low water potentials (Ψ w), but the inhibition has not been compared in different organs of the same plant. Therefore, we determined elongation rates of the roots, stems, leaves, and styles (silks) of maize (Zea mays L.) as soil water was depleted. The Ψ w was measu...

journal_title：Planta

authors： Westgate ME,Boyer JS

更新日期：1985-07-01 00:00:00

abstract：:Uptake of NH 4 (+) and NO 3 (-) by the N2-fixing lichens Peltigera praetextata (two-component lichen) and P. aphthosa (three-component lichen) was studied. In addition, the effects of these ions, separately and in combination, on C2H2 reduction and CO2 exchange were examined. Both NH 4 (+) and NO 3 (-) were utilized b...

journal_title：Planta

authors： Hällbom L,Bergman B

更新日期：1983-04-01 00:00:00

abstract：:Centrifugal accelerations of 50-250 g were applied to rhizoids of Chara globularis Thuill. at stimulation angles (alpha) of 5-90 degrees between the acceleration vector and the rhizoid axis. After the start of centrifugation, the statoliths were pressed asymmetrically onto the centrifugal flank of the apical cell wall...

journal_title：Planta

authors： Braun M

更新日期：1996-07-01 00:00:00

abstract：:Special culture conditions for Euglena gracilis Z and ZR are described. They induce interactions between the chloroplast and mitochondrial metabolisms leading to paramylon synthesis. When grown in continuous light under pure nitrogen and in the presence of lactate as the sole carbon source, sugar synthesis occurs duri...

journal_title：Planta

authors： Calvayrac R,Laval-Martin D,Briand J,Farineau J

更新日期：1981-10-01 00:00:00

abstract：:The movement of (14)C from indole-3-acetic acid (IAA) (14)C has been examined in 5 mm root segments of dark-grown seedlings of Helianthus annuus and Brassica oleracea. Contaminants from distilled water, phosphate buffer and the razor-blade cutter increase the decarboxylation of IAA-(14)C, and cutting of root segments ...

journal_title：Planta

authors： Iversen TH,Aasheim T

更新日期：1970-12-01 00:00:00

abstract：:1-Sinapoylglucose was isolated in cristalline form from mutants of Matthiola incana. In addition, 1-feruloyl-glucose and 1-p-cumaroyl-glucose were isolated and identified by paper chromatography. The molecular weights of penta-(trimethylsilyl)-1-sinapoyl-glucose and penta-(trimethylsilyl)-1-feruloyl-glucose have been ...

journal_title：Planta

authors： Ritter-Thomas U

更新日期：1973-09-01 00:00:00

abstract：:Metabolite levels and carbohydrates were investigated in the leaves of tobacco (Nicotiana tabacum L.) and leaves and tubers of potato (Solanum tuberosum L.) plants which had been transformed with pyrophosphatase from Escherichia coli. In tobacco the leaves contained two- to threefold less pyrophosphate than controls a...

journal_title：Planta

authors： Jelitto T,Sonnewald U,Willmitzer L,Hajirezeai M,Stitt M

更新日期：1992-09-01 00:00:00

abstract：:Synthesis of anthocyanin pigments in etiolated cabbage seedlings is influenced by ethylene at concentrations higher than 10 ppb, and etiolated seedlings produce sufficient ethylene to influence their anthocyanin synthesis. When escape of endogenous ethylene from this tissue is enhanced by means of hypobaric treatment,...

journal_title：Planta

authors： Kang BG,Burg SP

更新日期：1973-09-01 00:00:00

abstract：:The vegetative prothalli (1-3 weeks old) of Anemia were incubated for 24 h in [(14)C]adenine. The RNA was phenol extracted from whole cells and the poly (A) sequences were isolated by nuclease digestion followed by poly (U)-sepharose chromatography. About 2-3% of the total radioactivity was retained on the column. The...

journal_title：Planta

authors： Iqbal J

更新日期：1977-01-01 00:00:00

abstract：:The studies described in the paper were conducted with tissue slices of Crassulacean acid metabolism (CAM) plants floating in isotonic buffer. In a first series of experiments, temperature effects on the efflux of [(14)C]malate and(14)CO2 were studied. An increase of temperature increased the efflux from the tissue in...

journal_title：Planta

authors： Friemert V,Heininger D,Kluge M,Ziegler H

更新日期：1988-12-01 00:00:00

abstract：:Phytochrome per fresh weight in the apical 0.5 cm of the 1.5-cm coleoptile was twice that in the basal 0.5 cm; phytochrome per dry weight and phytochrome per DNA did not vary significantly from the base to the apex. Ratios of phytochrome to fresh or dry weight in the 6-cm coleoptile were nearly constant in the basal 5...

journal_title：Planta

authors： Correll DL,Edwards JL,Medina VJ

更新日期：1968-12-01 00:00:00

abstract：:Protoplasts from cultured cells of soybean (Glycine max L.) and from sweet clover (Melilotus officinalis L.) mesophyll cells were fused with polyethylene glycol and subsequently cultured for six days. The resulting fusion products as well as unfused protoplasts of each parental species regenerated cell walls and divid...

journal_title：Planta

authors： Fowke LC,Rennie PJ,Kirkpatrick JW,Constabel F

更新日期：1976-01-01 00:00:00

abstract：:Sugar-synthesis and -transport patterns were analyzed in Coleus blumei Benth. leaves to determine where galactinol, raffinose, and stachyose are made and whether phloem loading includes an apoplastic (extracellular) step or occurs entirely within the symplast (plasmodesmata-connected cytoplasm). To clarify the sequenc...

journal_title：Planta

authors： Turgeon R,Gowan E

更新日期：1992-06-01 00:00:00

abstract：:Phytochrome was studied spectrophotometrically in Avena sativa L. seedlings that had been grown for 6 d in continous white fluorescent light from lamps. Greening was prevented through the use of the herbicide San 9789. When placed in the light, phytochrome (Ptot) decreased with first order kinetics (τ1/2 ≈ 2 h) but re...

journal_title：Planta

authors： Jabben M,Deitzer GF

更新日期：1978-01-01 00:00:00

abstract：MAIN CONCLUSION:This review summarizes the current understanding, future challenges and ongoing quest on sugar metabolic alterations that influence the outcome of plant-pathogen interactions. Intricate cellular and molecular events occur during plant-pathogen interactions. They cause major metabolic perturbations in th...

journal_title：Planta

authors： Kanwar P,Jha G

更新日期：2019-02-01 00:00:00

abstract：:Auxin transport in corn coleoptile sections was inhibited by 2,3,5-triiodobenzoic acid (TIBA) as well as by 1-N-naphthylphthalamic acid (NPA); this inhibition was effected within 1 min of application.A particulate cell fraction-presumably plasma-membrane vesicles-specifically binds NPA and properties of these binding ...

journal_title：Planta

authors： Thomson KS,Hertel R,Müller S,Tavares JE

更新日期：1973-12-01 00:00:00

abstract：:The relationship between adenine-nucleotide levels and metabolism-dependent membrane potential was studied in cells of Nitellopsis obtusa. Effects of ADP and AMP in the presence of ATP on electrogenic pump activity were measured in the dark, using the continuous perfusion method. Both ADP and AMP acte as competitive i...

journal_title：Planta

authors： Mimura T,Shimmen T,Tazawa M

更新日期：1984-09-01 00:00:00

abstract：:MAIN CONCLUSION : [EtPy][Br] is more reactive toward lignin than toward the PSs in wood cell walls, and [EtPy][Br] treatment results in inhomogenous changes to the cell wall's ultrastructural and chemical components. The effects of the ionic liquid 1-ethylpyridinium bromide ([EtPy][Br]), which prefers to react with li...

journal_title：Planta

authors： Kanbayashi T,Miyafuji H

更新日期：2015-09-01 00:00:00

abstract：MAIN CONCLUSION:Differential palisade and spongy parenchyma structural changes in oilseed rape leaf were demonstrated. These dismantling processes were linked to early senescence events and associated to remobilization processes. During leaf senescence, an ordered cell dismantling process allows efficient nutrient remo...

journal_title：Planta

authors： Sorin C,Musse M,Mariette F,Bouchereau A,Leport L

更新日期：2015-02-01 00:00:00

abstract：:Early embryonic development was compared in self-fertilized embryos of the diploid species, Hibiscus costatus, and triploid hybrid embryos, H. costatus-aculeatus and H. costatus-furcellatus, the paternal parent in both hybrids being tetraploid. The self-fertilized zygotes shrank to 50% of the volume of the unfertilize...

journal_title：Planta

authors： Ashley T

更新日期：1972-12-01 00:00:00

abstract：MAIN CONCLUSION:PAE8 and PAE9 have pectin acetylesterase activity and together remove one-third of the cell wall acetate associated with pectin formation in Arabidopsis leaves. In pae8 and pae9 mutants, substantial amounts of acetate accumulate in cell walls. In addition, the inflorescence stem height is decreased. Pec...

journal_title：Planta

authors： de Souza A,Hull PA,Gille S,Pauly M

更新日期：2014-11-01 00:00:00

abstract：:Phosphate absorption by segments excised from hypocotyls of Phaseolus aureus Roxb. was inhibited by either continuous or short-term illumination with red light. Maximal inhibition was observed at pH 6.5. Illumination with 800 erg cm(-2) s(-1) of red light for 5 min was sufficient to obtain maximal inhibition. The effe...

journal_title：Planta

authors： Tezuka T,Yamamoto Y

更新日期：1975-01-01 00:00:00

abstract：:Plastoglobules are lipid droplets present in all plastid types. In chloroplasts, they are connected to the thylakoid membrane by the outer lipid half-bilayer. The plastoglobule core is composed of neutral lipids most prominently the prenylquinones, triacylglycerols, fatty acid phytyl esters but likely also unknown com...

journal_title：Planta

authors： Besagni C,Kessler F

更新日期：2013-02-01 00:00:00