Glycosyltransferases in secondary plant metabolism: tranquilizers and stimulant controllers.

abstract：:A volume of tissue of lettuce (Lactuca sativa L.) plants extending 2 mm basipetally from the apical meristem and including leaf primordia and young expanding leaves was surveyed using electron-probe microanalysis (EPMA) on both frozen-hydrated and freeze-dried samples. This analysis was carried out either 2 or 5 d fol...

journal_title：Planta

authors： Lazof D,Läuchli A

更新日期：1991-06-01 00:00:00

abstract：:Immature zygotic embryos of sunflower (Helianthus annuus L.) produce somatic embryos when cultured on medium supplemented with a cytokinin as the sole source of exogenous growth regulators. The timing of the induction phase and subsequent morphogenic events have been well characterized in previous work. We address her...

journal_title：Planta

authors： Thomas C,Bronner R,Molinier J,Prinsen E,van Onckelen H,Hahne G

更新日期：2002-08-01 00:00:00

abstract：:Conductivity changes in the medium of cultured soybean (Glycine max L.) cells were shown to be strictly correlated with nitrate uptake and growth of the cultures. A continuous record of the conductivity was used as a simple and reliable method of determining specific growth stages and concomitant peaks in the activiti...

journal_title：Planta

authors： Hahlbrock K,Ebel J,Oaks A,Auden J,Liersch M

更新日期：1974-03-01 00:00:00

abstract：:Out of 33 strains of unicellular algae examined, H2 evolution was observed only in species of Chlamydomonas, Chlorella and Scenedesmus. While the photoevolution of H2 by these algae was generally stimulated both by an organic substrate and by the uncoupler CCCP(1), response to DCMU varied. On the basis of the response...

journal_title：Planta

authors： Healey FP

更新日期：1970-09-01 00:00:00

abstract：:The appearance of glutamine synthetase (GS. EC 6.3.1.2) in response to light and nitrogen (NO 3 (-) , NH 4 (+) ) was studied in the organs (roots, hypocotyl, cotyledonary whorl) of the Scots pine (Pinus sylvestris L.) seedling. Although GS activity was found to be mainly (> 80%) located in the whorl where it increased...

journal_title：Planta

authors： Elmlinger MW,Mohr H

更新日期：1992-10-01 00:00:00

abstract：MAIN CONCLUSION:The PmBiPPro1 promoter of the luminal binding protein (BiP) from Douglas-fir is fully functional in transgenic potato, responsive to wounding, and has high transcriptional activity in tubers. A predefined pattern and level of transgene expression targeted to specific tissues or organs and at a particula...

journal_title：Planta

authors： Yevtushenko DP,Misra S

更新日期：2018-12-01 00:00:00

abstract：:The ontogenetic change taking place in the facultative photoperiodic response of A. retroflexus to inductive short-day (SD) conditions was studied by exposing plants to continuous induction after different initial exposures to long-days (LD), and comparing the kinetics of their developmental responses (cumulative numb...

journal_title：Planta

authors： Koller D,Kigel J,Ovadiah S

更新日期：1977-01-01 00:00:00

abstract：:A method is presented for mass isolation of metaphase chromosomes and nuclei from plant protoplasts. The isolation procedure was developed for both monocotyledonous and dicotyledonous species using wheat (Triticum monococcum) and poppy (Papaver somniferum) cell cultures. Metaphase chromosomes were isolated from partia...

journal_title：Planta

authors： Hadlaczky G,Bisztray G,Praznovszky T,Dudits D

更新日期：1983-04-01 00:00:00

abstract：:The role of purine and pyrimidine ribosides, nucleotides and substituted xanthines in the differentiation of chloronema filaments in suspension cultures of protonema of the moss Funaria hygrometrica Hedw. has been examined. Cyclic adenosine-3',5'-monophosphate (cAMP) and mono-and dibutyryl cAMP evoked the maximum resp...

journal_title：Planta

authors： Handa AK,Johri MM

更新日期：1979-01-01 00:00:00

abstract：:Shampoo ginger (Zingiber zerumbet Smith) has a high content and large variety of terpenoids in the essential oil of its rhizome. Here, we report on the isolation of a cDNA clone (ZSS1) encoding alpha-humulene synthase, a possible key enzyme of zerumbone biosynthesis. This clone contains an open reading frame of 1,644 ...

journal_title：Planta

authors： Yu F,Okamto S,Nakasone K,Adachi K,Matsuda S,Harada H,Misawa N,Utsumi R

更新日期：2008-05-01 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 free amino acid pools in the nitrogen-fixing blue-green algae Anabaena cylindrica, A. flos-aquae and Westiellopsis prolifica contain a variety of amino acids with aspartic acid, glutamic acid and the amide glutamine being present in much higher concentrations than the others. This pattern is characteristic of that...

journal_title：Planta

authors： Dharmawardene MW,Stewart WD,Stanley SO

更新日期：1972-06-01 00:00:00

abstract：:Two barley (Hordeum vulgare L.) β-amylase genes (Bmy1 and Bmy2) were studied during the late maturation phase of grain development in four genotypes. The Bmy1 and Bmy2 DNA and amino acid sequences are extremely similar. The largest sequence differences are in the introns, seventh exon, and 3' UTR. Accumulation of Bmy2...

journal_title：Planta

authors： Vinje MA,Willis DK,Duke SH,Henson CA

更新日期：2011-05-01 00:00:00

abstract：:MicroRNAs (miRNAs) are emerging as essential regulators of biological processes. Somatic embryogenesis is one of the most important techniques for gymnosperm-breeding programs, but there is little understanding of its underlying mechanism. To investigate the roles of miRNAs during somatic embryogenesis in larch, we co...

journal_title：Planta

authors： Zhang J,Zhang S,Han S,Wu T,Li X,Li W,Qi L

更新日期：2012-08-01 00:00:00

abstract：:The aim of this work was to test the hypothesis that endogenous ascorbate, released into the apoplast by membrane permeabilisation early in fruit ripening, could promote the solubilisation and depolymerisation of polysaccharides, and thus contribute to fruit softening. In vitro, ascorbate (1 mM), especially in the pre...

journal_title：Planta

authors： Dumville JC,Fry SC

更新日期：2003-10-01 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

abstract：:To test the morphogenetic role of equilateral stress and physiological confinement in dedifferentiation of epidermal cells, impermeable barriers of goldmetal foil were placed between the postgenitally fusing epidermal surfaces in the gynoecium of Catharanthus roseus (L.) G. Don. Cells contacting the foil barrier were ...

journal_title：Planta

authors： Walker DB

更新日期：1978-01-01 00:00:00

abstract：:In crude extracts of primary leaves from dark grown seedlings of Phaseolus vulgaris L., relatively high hydrolytic activity of chlorophyllase (chlorophyll-chlorophyllido-hydrolase, EC 3.1.1.14) was observed. When plants were exposed to continuous illumination, the enzyme activity in the extracts was doubled within 3 d...

journal_title：Planta

authors： Moll WA,de Wit B,Lutter R

更新日期：1978-01-01 00:00:00

abstract：MAIN CONCLUSION:In this genome-wide association study, we obtained novel insights into the genetic basis of the effect of herbivory or drought stress on the level of resistance against the fungus Botrytis cinerea. In nature, plants function in complex environments where they encounter different biotic and abiotic stres...

journal_title：Planta

authors： Coolen S,Van Pelt JA,Van Wees SCM,Pieterse CMJ

更新日期：2019-04-01 00:00:00

abstract：MAIN CONCLUSION:For the first time, a plant (rice) translin was characterized. The rice translin protein, which was octameric in native state, bound efficiently to single-stranded DNA and RNA. Translin, a DNA-/RNA-binding protein, is expressed in brain, testis and in certain malignancies. It is involved in chromosomal ...

journal_title：Planta

authors： Chittela RK,Gupta GD,Ballal A

更新日期：2014-08-01 00:00:00

abstract：:Stable-isotope discrimination factors (D) for the uptake of oxygen during respiration by a variety of plant materials were determined by measuring (18)O enrichment in a closed system. Baker's yeast (Saccharomyces cerevisiae Meyer) and mitochondrial preparations from baker's yeast and from castor bean (Ricinus communis...

journal_title：Planta

authors： Guy RD,Berry JA,Fogel ML,Hoering TC

更新日期：1989-04-01 00:00:00

abstract：:This study investigates mechanisms of multiple resistance to glyphosate, acetyl-coenzyme A carboxylase (ACCase) and acetolactate synthase (ALS)-inhibiting herbicides in two Lolium rigidum populations from Australia. When treated with glyphosate, susceptible (S) plants accumulated 4- to 6-fold more shikimic acid than r...

journal_title：Planta

authors： Yu Q,Abdallah I,Han H,Owen M,Powles S

更新日期：2009-09-01 00:00:00

abstract：:Embryogenesis occurs in cells from brome grass grown in suspension culture in defined medium. Exogenous hormones are not required. The embryos develop into plants which lack chlorophyll. ...

journal_title：Planta

authors： Gamborg OL,Constabel F,Miller RA

更新日期：1970-12-01 00:00:00

abstract：:Changes in fatty-acid metabolism were studied in soybean (Glycine max Merr.) cotyledons during senescence as well as in cotyledons which had been caused to regreen by removal of the epicotyl from the seedling. The activities of the enzymes acetyl-CoA synthetase (EC 6.2.1.1) and fatty-acid synthetase in plastids isolat...

journal_title：Planta

authors： Place MA,Morgan MS,Rutkoski A,Newman DW,Jaworski JG

更新日期：1979-12-01 00:00:00

abstract：MAIN CONCLUSION:Global warming will increase the incidence of metabolism-based reduced herbicide efficacy on weeds and, therefore, the risk for evolution of non-target site herbicide resistance. Climate changes affect food security both directly and indirectly. Weeds are the major biotic factor limiting crop production...

journal_title：Planta

authors： Matzrafi M,Seiwert B,Reemtsma T,Rubin B,Peleg Z

更新日期：2016-12-01 00:00:00

abstract：:Whether cell division is a driving force in plant morphogenesis has long been debated. In this review, the evidence for the existence of cell division-dependent and cell division-independent mechanisms of plant morphogenesis is discussed. The potential mechanisms themselves are then analysed, as is our understanding o...

journal_title：Planta

authors： Fleming AJ

更新日期：2002-11-01 00:00:00

abstract：:The net increase in total protein during development of tomato fruit locule tissue has been further investigated with respect to the sites of protein synthesis within the cells. The results point to the plastids as being the major sites of protein synthesis. This is supported by radioisotope experiments in which label...

journal_title：Planta

authors： Davies JW,Cocking EC

更新日期：1967-09-01 00:00:00

abstract：:The influence of nucleoside triphosphates in relation to divalent cations on RNA synthesis of cells from a suspension culture from parsley was investigated. The data obtained from experiments with isolated nuclei and with an in vitro system with highly purified RNA polymerase I were compared with a chromatin-bound nuc...

journal_title：Planta

authors： Grossmann K,Haschke HP,Seitz HU

更新日期：1981-08-01 00:00:00

abstract：:A 5-methyltryptophan(5-MT)-resistant cell line of wild carrot (Daucus carota L.), W001, that exhibited auxin-independent callus growth, was found to accumulate indole-3-acetic acid (IAA) and tryptophan (trp). Anthranilate-synthetase activity in W001 cell extract was less sensitive to feedback inhibition by trp than in...

journal_title：Planta

authors： Sung ZR

更新日期：1979-01-01 00:00:00

abstract：:Leaf and minor vein structure were studied in Arabidopsis thaliana (L.) Heynh. to gain insight into the mechanism(s) of phloem loading. Vein density (length of veins per unit leaf area) is extremely low. Almost all veins are intimately associated with the mesophyll and are probably involved in loading. In transverse s...

journal_title：Planta

authors： Haritatos E,Medville R,Turgeon R

更新日期：2000-06-01 00:00:00