Stimulation of precursor rRNA synthesis in the cotyledons of mustard seedlings by phytochrome.

abstract：MAIN CONCLUSION:Variable cotton fiber diameter is set early in anisotropic elongation by cell-type-specific processes involving the temporal and spatial regulation of microtubules in the apical region. Cotton fibers are single cells that originate from the seed epidermis of Gossypium species. Then, they undergo extreme...

journal_title：Planta

authors： Graham BP,Haigler CH

更新日期：2021-01-23 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：:Plant tetrapyrrole metabolism is located in two different organelles and distributes end products into the whole cell. A complex regulatory network is involved to prevent metabolic imbalance and inefficient allocation of intermediates as well as to correlate the metabolic activities with organelle development. This re...

journal_title：Planta

authors： Papenbrock J,Grimm B

更新日期：2001-09-01 00:00:00

abstract：:The response of net photosynthesis and apparent light respiration to changes in [O2], light intensity, and drought stress was determined by analysis of net photosynthetic CO2 response curves. Low [O2] treatment resulted in a large reduction in the rate of photorespiratory CO2 evolution. Lightintensity levels influence...

journal_title：Planta

authors： Collatz GJ

更新日期：1977-01-01 00:00:00

abstract：:NADP-specific isocitrate dehydrogenase is a key cytosolic enzyme that links C and N metabolism by supplying C skeletons for primary N assimilation in plants. We report the characterization of the transcript Mc-ICDH1 encoding an NADP-dependent isocitrate dehydrogenase (NADP-ICDH, EC 1.1.1.42) from the facultative halop...

journal_title：Planta

authors： Popova OV,Ismailov SF,Popova TN,Dietz KJ,Golldack D

更新日期：2002-10-01 00:00:00

abstract：:Cotton fiber is an extremely long plant cell. Fiber elongation is a complex process and the genes that are crucial for elongation are largely unknown. We previously cloned a cDNA encoding an isoform of cotton profilin and found that the gene (designated GhPFN1) was preferentially expressed in cotton fibers. In the pre...

journal_title：Planta

authors： Wang HY,Yu Y,Chen ZL,Xia GX

更新日期：2005-11-01 00:00:00

abstract：MAIN CONCLUSION:Overexpressing a heat shock factor gene (TaHsfA6bT) from wheat provides thermotolerance in barley by constitutive expression of heat and other abiotic stress-response genes. Temperature is one of the most crucial abiotic factors defining the yield potential of temperate cereal crops, such as barley. The...

journal_title：Planta

authors： Poonia AK,Mishra SK,Sirohi P,Chaudhary R,Kanwar M,Germain H,Chauhan H

更新日期：2020-09-18 00:00:00

abstract：:The role of microtubules and ions in cell shaping was investigated in differentiating guard cells of Allium using light and electron microscopy and cytochemistry. Microtubules appear soon after cytokinesis in a discrete zone close to the plasmalemma adjacent to the common wall between guard cells. The microtubules fan...

journal_title：Planta

authors： Palevitz BA,Hepler PK

更新日期：1976-01-01 00:00:00

abstract：:The effect of glucose and the uncoupler Cl-CCP upon hydrogen production was studied in adapted cells of Scenedesmus obliquus D3. Cl-CCP at 10(-5)M concentration completely inhibited the evolution of H2 in the dark and increased the apparent rate of H2 evolution in the light. At 10(-5)M Cl-CCP, photosynthesis and photo...

journal_title：Planta

authors： Kaltwasser H,Stuart TS,Gaffron H

更新日期：1969-12-01 00:00:00

abstract：:Benzoic acids are precursors of xanthone biosynthesis which has been studied in cell cultures of Hypericum androsaemum (Hypericaceae) and Centaurium erythraea (Gentianaceae). In both cell cultures, methyl jasmonate induces the intracellular accumulation of a new xanthone. Under these inductive conditions, feeding expe...

journal_title：Planta

authors： Abd El-Mawla AM,Schmidt W,Beerhues L

更新日期：2001-01-01 00:00:00

abstract：:We have investigated events which take place in the developing barley (Hordeum vulgare L.) embryo during its acquisition of desiccation tolerance. Excised embryos are capable of precocious germination as early as 8 d after pollination (DAP). At this age, however, they are not capable of resisting a desiccation treatme...

journal_title：Planta

authors： Bartels D,Singh M,Salamini F

更新日期：1988-10-01 00:00:00

abstract：:The enzyme beta-glucuronidase (GUS) is well characterized in animals and microbes. However, this enzyme is not well studied in plants and is widely assumed to be absent in them. In this study we document the ubiquitous presence of GUS in the model plants Arabidopsis thaliana, Oryza sativa, Nicotiana tabacum and Zea ma...

journal_title：Planta

authors： Sudan C,Prakash S,Bhomkar P,Jain S,Bhalla-Sarin N

更新日期：2006-09-01 00:00:00

abstract：:Two lectins were purified by affinity chromatography from mature peanut (Arachis hypogaea L.) nodules, and compared with the previously characterised seed lectin of this plant. One of the nodule lectins was similar to the seed lectin in its molecular weight and amino-acid composition and ability to bind derivatives of...

journal_title：Planta

authors： Law IJ,Haylett T,Strijdom BW

更新日期：1988-11-01 00:00:00

abstract：:Five cDNA clones complementary to mRNAs representing different abundances and responses to wounding have been isolated from a library of Sau 3A fragments in the bacteriophage M13 mp8. These were characterised by hybrid-release translation and hybridisation to RNA blots. The levels of RNA complementary to two of the cl...

journal_title：Planta

authors： Shirras AD,Northcote DH

更新日期：1984-10-01 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：:Localisation of α-amylase (EC 3.2.1.1) in barley aleurone cells treated with gibberellic acid has been achieved using protein A-gold-labelled polyclonal antibodies. Gold particles were located almost exclusively over the lumen of the rough endoplasmic reticulum and cisternae of the Golgi apparatus. The label was most ...

journal_title：Planta

authors： Gubler F,Jacobsen JV,Ashford AE

更新日期：1986-09-01 00:00:00

abstract：:The freshwater algaChara corallina Klein ex Willd., em. R.D.W. (=C. australis R.Br.) develops alternating outward (acid) and inward (alkaline) current areas on its surface when illuminated. Exposure of cells to vinblastine, colchicine, or oryzalin caused a reduction in and a shifting of this extracellular current patt...

journal_title：Planta

authors： Fisahn J,Lucas WJ

更新日期：1990-11-01 00:00:00

abstract：:1. The plastids of the saprophytic orchid Neottia nidus-avis contain, besides chlorophyll a, all plastidquinones and carotenoids of normal chloroplasts from higher plants. The relative concentrations of plastidquinones and carotenoids are, however, quite different from those in photosynthetically active plant tissue. ...

journal_title：Planta

authors： Reznik H,Lichtenthaler HK,Peveling E

更新日期：1969-12-01 00:00:00

abstract：:The purpose of these studies was to find which steps in the biosynthetic pathway of carotenoids in Fusarium are under photoregulation. After separation by column chromatography ζ-carotene, neurosporene, γ-carotene, torulene, neurosporaxanthin and lycopene were identified from their absorption spectra in visible light ...

journal_title：Planta

authors： Bindl E,Lang W,Rau W

更新日期：1970-06-01 00:00:00

abstract：MAIN CONCLUSION:Exogenously applied 2% fructose is the most appropriate carbon source that enhances photosynthesis and growth of grape plantlets compared with the same concentrations of sucrose and glucose. The role of the sugars was regulated by the expression of key candidate genes related to hormones, key metabolic ...

journal_title：Planta

authors： Mao J,Li W,Mi B,Dawuda MM,Calderón-Urrea A,Ma Z,Zhang Y,Chen B

更新日期：2017-09-01 00:00:00

abstract：:A sensitive new fluorescent method is outlined for the study of peptide and amino acid transport processes. Studies on dipeptide transport in germinating barley (Hordeum vulgare.) embryos have provided evidence for accumulation of substrate against a concentration gradient, saturation kinetics, a pH optimum at pH 3.8,...

journal_title：Planta

authors： Higgins CF,Payne JW

更新日期：1977-01-01 00:00:00

abstract：:Preparations of rapidly labelled RNA are usually heavily contaminated by rapidly labelled low molecular weight components. This contaminating fraction mainly contains nucleoside triphosphates, as previously reported, but also nucleoside tetra, penta and hexaphosphates. These highly phosphorylated nucleosides are, acco...

journal_title：Planta

authors： Aspart-Pascot L,Delseny M,Guitton Y

更新日期：1976-01-01 00:00:00

abstract：:Previous studies have led to the identification and characterization of specific, high-affinity binding sites for a hepta-beta-glucoside elicitor in soybean. A survey of plant species for elicitor-binding activity reveals that among the plants tested, the hepta-beta-glucoside elicitor is only recognized by plants belo...

journal_title：Planta

authors： Côté F,Roberts KA,Hahn MG

更新日期：2000-09-01 00:00:00

abstract：:The recent introduction of (31)P nuclear magnetic resonance spectroscopy offers a new approach to the problem of obtaining a simultaneous and direct evaluation of both the cytoplasmic and vacuolar pH in higher plant cells (J. K. M. Roberts, P.M. Ray, N. Waderlardetzky and O. Sardetzky, 1980, Nature 283, 870-872; 1981,...

journal_title：Planta

authors： Aducci P,Federico R,Carpinelli G,Podo F

更新日期：1982-01-01 00:00:00

abstract：:The contribution of changes in stomatal conductance and metabolism in determining heterogeneous photosynthesis inhibition during dehydration and abscisic acid (ABA) feeding was investigated using detached leaves of Rosa rubiginosa L. The steady-state and maximal rates of electron transport under a transient high CO(2)...

journal_title：Planta

authors： Meyer S,Genty B

更新日期：1999-11-01 00:00:00

abstract：:In addition to membrane translocation, measured in the dark, it was found that pre-illumination of the chloroplasts resulted in an enhancement of sulfate uptake by 25% and of sulfite uptake by 55% as soon as the concentration of the ion in the incubation medium exceeded 2 mmol l(-1). This amount which is additionally ...

journal_title：Planta

authors： Ziegler I,Hampp R

更新日期：1977-01-01 00:00:00

abstract：:Germination and seedling establishment follows a distinct pattern which is partly controlled by hormones. Roots have high levels of cytokinins. By quantifying the fluctuations in endogenous cytokinins over time, further insight may be gained into the role of cytokinins during germination and seedling establishment. Ra...

journal_title：Planta

authors： Stirk WA,Novák O,Václavíková K,Tarkowski P,Strnad M,van Staden J

更新日期：2008-05-01 00:00:00

abstract：:Phosphorylation/dephosphorylation of the plasma-membrane H(+)-ATPase (EC 3.6.1.35) could act as a regulatory mechanism to control its activity. In this work, a plasmalemma-enriched fraction from maize roots and a partially purified H(+)-ATPase were used to investigate the effects of Ca(2+) and calmodulin on the H(+)-A...

journal_title：Planta

authors： De Nisi P,Dell'Orto M,Pirovano L,Zocchi G

更新日期：1999-08-12 00:00:00

abstract：MAIN CONCLUSION:Simultaneous nitrogen depletion and 3,4-dichlorophenol addition induce a bioenergetic microalgal reprogramming, through strong Cyt b 6 f synthesis, that quench excess electrons from dichlorophenol's biodegradation to an overactivated photosynthetic electron flow and H 2 -productivity. Cellular energy ma...

journal_title：Planta

authors： Papazi A,Korelidou A,Andronis E,Parasyri A,Stamatis N,Kotzabasis K

更新日期：2018-03-01 00:00:00

abstract：:Vegetative plants of Sinapis alba L. grown under short days were induced to flower by exposure to one long day or continuous long days. Irrespective of the number of long days, the first flower primordia were initiated by the shoot apical meristem 60 h after the start of the inductive treatment. An indirect histoimmun...

journal_title：Planta

authors： Pierard D,Jacqmard A,Bernier G,Salmon J

更新日期：1980-12-01 00:00:00