Signal storage in phytochrome action on nitrate-mediated induction of nitrate and nitrite reductases in mustard seedling cotyledons.

abstract：:Spores of the ferns, Dryopteris filix-mas, D. paleacea and Polystichum minutum, sown on plain agar in quartz-distilled water, required several hours of red light in order to germinate. When, however, water agar was replaced by agar made up with a mineral nutrition medium, a single pulse of red light (about 1 min) was ...

journal_title：Planta

authors： Haupt W

更新日期：1985-05-01 00:00:00

abstract：:The profile of (14)C, that is the plot of log (radioactivity) against distance, down the stem of Helianthus seedlings was studied over the course of the first hour after feeding (14)C to a leaf. These seedlings are shown to accumulate a large proportion of the total (14)C present in the stem in an ethanol insoluble fo...

journal_title：Planta

authors： Whittle CM

更新日期：1970-09-01 00:00:00

abstract：:Experiments with 20 cm long segments of etiolated pea epicotyls treated in the middle with 0,5% gibberellin paste (GA3) in the form of a ring and also with a 0,5% indoleacetic acid (IAA) paste either near the apical or near the basal pole showed that in all cases after 24 hours there was a stronger transport of GA3 to...

journal_title：Planta

authors： Sebánek J,Hink J

更新日期：1967-06-01 00:00:00

abstract：:Using in combination an analysis of (i) the levels of enzyme activities present, (ii) the pool sizes of metabolic intermediates and end products and (iii) the effects of feeding metabolic intermediates, the limitations ℴ flux into tropane alkaloids in a Datura root culture have been examined. This culture, produced by...

journal_title：Planta

authors： Robins RJ,Parr AJ,Payne J,Walton NJ,Rhodes MJ

更新日期：1990-06-01 00:00:00

abstract：:Total RNA was extracted from fast growing suspension cells of bean, the mRNA was translated and the products of protein synthesis analysed by gel electrophoresis. Actinomycin D (20 μg ml(-1)) added to the cultures 12 h before the induction of phenylalanine ammonia-lyase (PAL) activity by naphthylacetic acid (NAA) (1 m...

journal_title：Planta

authors： Dudley K,Northcote DH

更新日期：1979-09-01 00:00:00

abstract：:The differential expression of PSII genes was investigated in mesophyll and bundle-sheath cells of Flaveria trinervia, a dicotyledonous C4 plant of the NADP-malic enzyme type. A comprehensive immunoblot analysis showed that three extrinsic proteins of the water-splitting complex (10, 16 and 23 kDa) are selectively dep...

journal_title：Planta

authors： Höfer MU,Santore UJ,Westhoff P

更新日期：1992-01-01 00:00:00

abstract：:In order to survive sunlight in the absence of water, desiccation-tolerant green plants need to be protected against photooxidation. During drying of the chlorolichen Cladonia rangiformis and the cyanolichen Peltigera neckeri, chlorophyll fluorescence decreased and stable light-dependent charge separation in reaction ...

journal_title：Planta

authors： Heber U

更新日期：2008-09-01 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 thermosensitivity of delayed fluorescence, the relative values of variable chlorophyll fluorescence and the degree of quenching of 9-aminoacridine fluorescene were studied in the chloroplasts from heat-acclimated and non-acclimated (treated 6 h at 52,5°C) young bean plants. The temperature sensitivity of each para...

journal_title：Planta

authors： Yordanov I,Goltsev V,Stoyanova T,Venediktov P

更新日期：1987-04-01 00:00:00

abstract：:Leaf-elongation rates of Zea mays L. and Phaseolus vulgaris L. were measured in plants grown for 4 d in nutrient solution bubbled with N2 and in soil-grown waterlogged Phaseolus plants. Leaf water potential in both species was lower 3-4h after replacing aeration by N2-bubbling. In Zea, the water potential after 24 h o...

journal_title：Planta

authors： Schildwacht PM

更新日期：1989-02-01 00:00:00

abstract：:A plant 135-kDa actin-bundling protein (P-135-ABP) isolated from pollen tubes of Lilium longiflorum (Thunb.) binds stoichiometrically to F-actin filaments and bundles them in vitro (E. Yokota et al., 1998, Plant Physiol. 116: 1421-1429). To further understand the mechanism of actin-filament bundle formation by P-135-A...

journal_title：Planta

authors： Yokota E,Shimmen T

更新日期：1999-08-12 00:00:00

abstract：:Walls from frozen-thawed cucumber (Cucumis sativus L.) hypocotyls extend for many hours when placed in tension under acidic conditions. This study examined whether such "creep" is a purely physical process dependent on wall viscoelasticity alone or whether enzymatic activities are needed to maintain wall extension. Ch...

journal_title：Planta

authors： Cosgrove DJ

更新日期：1989-01-01 00:00:00

abstract：:Pressure-probe measurements and single-cell sampling and analysis techniques were used to determine the effect of photosynthetic production and accumulation of sugars on osmotic and turgor pressures of individual cells of barley ( Hordeum vulgare L.) source leaves. In control plants, the changes in osmotic pressure in...

journal_title：Planta

authors： Koroleva OA,Tomos AD,Farrar J,Pollock CJ

更新日期：2002-06-01 00:00:00

abstract：:Functional chloroplasts from photoheterotrophic Euglena gracilis can be isolated in isoosmotic gradients of 10-80% Percoll. The chloroplasts display rates of CO2 dependent O2 evolution and CO2 fixation of 30-50 μmol mg(-1) chlorophyll h(-1) or 25-35% of the net O2 evolution by the whole cells and appear to be striking...

journal_title：Planta

authors： Schürmann P,Ortiz W

更新日期：1982-03-01 00:00:00

abstract：MAIN CONCLUSIONS:Exogenously applied GR24 affected somatic embryo formation and morphogenesis of strigolactone-deficient tomato mutant through cross-talk with auxins and cytokinins indicating involvement of SLs in the embryogenic process. Strigolactones (SLs) mediate the regulation of plant responses to the environment...

journal_title：Planta

authors： Wu Y,Dor E,Hershenhorn J

更新日期：2017-03-01 00:00:00

abstract：:In the epidermal cells of onion (Allium cepa L.) bulb scales the endoplasmic reticulum (ER) can be subdivided into three domains: a peripheral tubular network, cisternae, and long tubular strands. The latter are the form in which the ER is moved in onion cells. During cold treatment the arrangement of the three domain...

journal_title：Planta

authors： Quader H,Hofmann A,Schnepf E

更新日期：1989-02-01 00:00:00

abstract：:Maltose is the predominant form of carbon exported from the chloroplast at night. Plants that lack either the chloroplast maltose transporter or disproportionating enzyme 2 (DPE2, EC 2.4.1.25) have excess maltose in leaves. We confirmed that DPE2 is not associated with the chloroplast in Arabidopsis thaliana. Using no...

journal_title：Planta

authors： Lu Y,Steichen JM,Weise SE,Sharkey TD

更新日期：2006-09-01 00:00:00

abstract：:Freezing and thawing lead to xylem embolism when gas bubbles caused by ice formation expand during the thaw process. However, previous experimental studies indicated that conifers are resistant to freezing-induced embolism, unless xylem pressure becomes very negative during the freezing. In this study, we show that co...

journal_title：Planta

authors： Mayr S,Gruber A,Bauer H

更新日期：2003-07-01 00:00:00

abstract：:The flow karyotypes of different maize (Zea mays L.) inbred and hybrid lines were analyzed. The accumulation and isolation of large quantities of high-quality metaphase chromosomes from root tips was achieved from many kinds of maize lines. The chromosome suspensions were prepared by a simple slicing method from synch...

journal_title：Planta

authors： Lee JH,Arumuganathan K,Kaeppler SM,Park SW,Kim KY,Chung YS,Kim DH,Fukui K

更新日期：2002-08-01 00:00:00

abstract：:1. It has been shown that the percentage germination of seed in contact with an aqueous solution depends (a) on the extent of differential permeability of the seed coat to the solute and (b) on whether the solute is toxic. 2. In investigations with "Meteor" pea seeds, polyethylene glycols of nominal molecular weights ...

journal_title：Planta

authors： Manohar MS

更新日期：1966-03-01 00:00:00

abstract：:The aim of this work was to investigate the extent to which starch synthesis in potato (Solanum tuberosum L.) tubers is controlled by the activity of ADPglucose pyrophosphorylase (EC 2.7.7.27; AGPase). In order to do this, fluxes of carbohydrate metabolism were measured in tubers that had reduced AGPase activity as a ...

journal_title：Planta

authors： Sweetlove LJ,Muller-Rober B,Willmitzer L,Hill SA

更新日期：1999-09-01 00:00:00

abstract：:A brief irradiation with red light of pea (Pisum sativum L.) shoot segments kept at 0° resulted in very rapid binding of both Pr and Pfr to mitochondrial and microsomal fractions. The effect was not far-red reversible. The amount of phytochrome bound to the mitochondrial fraction was proportional to the percentage of ...

journal_title：Planta

authors： Manabe K,Furuya M

更新日期：1975-01-01 00:00:00

abstract：MAIN CONCLUSION:Endogenous auxin determines the pattern of adventitious shoot formation. Auxin produced in the dominant shoot is transported to the internodal segment and suppresses growth of other shoots. Adventitious shoot formation is required for the propagation of economically important crops and for the regenerat...

journal_title：Planta

authors： Koike I,Watanabe S,Okazaki K,Hayashi KI,Kasahara H,Shimomura K,Umehara M

更新日期：2020-03-05 00:00:00

abstract：:Tea seed is believed to be recalcitrant based on its sensitivity to chilling or drying stress. Reactive oxygen species (ROS) and alterations in cytosolic redox status have been implicated in intolerance to desiccation by recalcitrant seed, but there is little information available regarding how ROS are regulated in se...

journal_title：Planta

authors： Chen Q,Yang L,Ahmad P,Wan X,Hu X

更新日期：2011-03-01 00:00:00

abstract：:Isoelectric focusing of the membrane polypeptides derived from castor bean (Ricinus communis L.) endosperm glyoxysomes and endoplasmic reticulum reveals a close similarity in the composition of these membranes, consistent with a developmental relationship between the organelles. ...

journal_title：Planta

authors： Brown RH,Bowden L,Lord LM

更新日期：1976-01-01 00:00:00

abstract：:Water potential, osmotic potential and turgor measurements obtained by using a cell pressure probe together with a nanoliter osmometer were compared with measurements obtained with an isopiestic psychrometer. Both types of measurements were conducted in the mature region of Tradescantia virginiana L. leaves under non-...

journal_title：Planta

authors： Nonami H,Schulze ED

更新日期：1989-01-01 00:00:00

abstract：:When (3)H-(14)C-acetate was supplied to Chlorella pyrenoidosa in the light, glycollic acid became rapidly labelled with tritium and (14)C. The [Formula: see text]ratio of glycollate was 10, whilst the ratio was 4 in the acetate added. Both (3)H and (14)C from acetate were present in glycollate before they were present...

journal_title：Planta

authors： Merrett MJ,Goulding KH

更新日期：1967-09-01 00:00:00

abstract：:The differentiation of phloem anastomoses linking the longitudinal vascular bundles has been studied in stem internodes of Cucurbita maxima Duchesne, C. pepo L. and Dahlia pinnata Cav. These anastomoses comprise naturally occurring regenerative sieve tubes which redifferentiate from interfascicular parenchyma cells in...

journal_title：Planta

authors： Aloni R,Barnett JR

更新日期：1996-04-01 00:00:00

abstract：:The denaturation of Euglena gracilis in aggressive acids has been investigated by means of the chlorophyll oxidation. A comparative study in different halogen acetic acids revealed that the reaction kinetics are determined by a reaction between the acid anion and the outer membrane. The denaturation of cell membranes ...

journal_title：Planta

authors： Brinkmann K

更新日期：1976-01-01 00:00:00

abstract：:A photoaffinity analog of tomato leaf RALF peptide (LeRALF), (125)I-azido-LeRALF, bound saturably to tomato suspension cultured cells in the dark in a classical receptor binding assay. Classical kinetic analyses revealed that the analog interacted with a single binding site on the surface of the cells with a KD of 0.8...

journal_title：Planta

authors： Scheer JM,Pearce G,Ryan CA

更新日期：2005-07-01 00:00:00