[Two peaks of plastidial DNA-synthesis with different light-dependency in the cell cycle of Euglena gracilis].

abstract：:The nitric oxide (NO) donor sodium nitroprusside (SNP) significantly promoted germination of switchgrass (Panicum virgatum L. cv Kanlow) in the light and in the dark at 25 degrees C, across a broad range of concentrations. SNP also promoted seed germination in two other warm-season grasses. A chemical scavenger of NO ...

journal_title：Planta

authors： Sarath G,Bethke PC,Jones R,Baird LM,Hou G,Mitchell RB

更新日期：2006-05-01 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：:The amino acid content increases substantially in salt-stressed plants. The physiological relevance of this phenomenon remains largely unknown. Using the MIFE ion flux measuring technique, we studied the effects of physiologically relevant concentrations of 26 amino acids on NaCl-induced K(+) flux from barley root epi...

journal_title：Planta

authors： Cuin TA,Shabala S

更新日期：2007-02-01 00:00:00

abstract：:The binding of fusicoccin to the microsomal preparations of maize roots in vitro is increased several-fold when segments of the tissue are washed for 2 h in distilled water before homogenization. Addition of freeze-dried wash solution to microsomal preparations of spinach leaves or fresh roots, washed roots, or coleop...

journal_title：Planta

authors： Aducci P,Crosetti G,Federico R,Ballio A

更新日期：1980-04-01 00:00:00

abstract：:Aminoalcoholphosphotransferases (AAPT, EC 2.7.8.1 and EC 2.7.8.2) catalyze the transfer of CDP-aminoalcohols to sn-1, 2 diacylglycerol (DAG) to form phosphatidylaminoalcohols with the release of CMP. The Brassica napus L. AAPT1 gene (designated BnAAPT1) was identified from cDNA libraries of seedlings and developing se...

journal_title：Planta

authors： Qi Q,Huang YF,Cutler AJ,Abrams SR,Taylor DC

更新日期：2003-08-01 00:00:00

abstract：:Transgenic rice plants overexpressing a rice tyrosine decarboxylase (TyDC) exhibited a dwarf phenotype with a high level of tyramine accumulation. The height of transgenic rice was reduced on average to 35% of the wild-type height, whereas the number of tillers increased to 190% that of wild type. When judged by cellu...

journal_title：Planta

authors： Kim YS,Park S,Kang K,Lee K,Back K

更新日期：2011-02-01 00:00:00

abstract：:Dehydrins are thought to play an essential role in the response, acclimation and tolerance to different abiotic stresses, such as cold and drought. These proteins have been classified into five groups according to the presence of conserved and repeated motifs in their amino acid sequence. Due to their putative functio...

journal_title：Planta

authors： Perdiguero P,Barbero MC,Cervera MT,Soto A,Collada C

更新日期：2012-12-01 00:00:00

abstract：:Fine-structural investigations of 24 monocotyledons from 21 families and all but one order succeeded in revealing a plastid with cuneate proteinaceous inclusion bodies as being typical of monocot sieve-tubes. Inclusion bodies originate in large numbers during plastid differentiation; they concentrate in the matrix and...

journal_title：Planta

authors： Behnke HD

更新日期：1968-06-01 00:00:00

abstract：:The total isolation procedure for isolation of auxotrophic and temperature-sensitive mutants was applied to haploid mesophyll protoplasts of Hyoscyamus muticus after treatment with N-methyl-N'-nitro-N-nitrosoguanidine. Twelve variant clones were isolated after screening a total of 29,000 clones. Two are auxotrophic fo...

journal_title：Planta

authors： Gebhardt C,Schnebli V,King PJ

更新日期：1981-10-01 00:00:00

abstract：:The effect on the phytochrome system of light regimes establishing a range of photoequilibria was studied in two light grown dicotyledonous plants, both of which were treated with the herbicide SAN 9789 to prevent chlorophyll accumulation. In Sinapis alba L. cotyledons the results are comparable with phytochrome behav...

journal_title：Planta

authors： Kilsby CA,Johnson CB

更新日期：1981-10-01 00:00:00

abstract：:Dormancy in intact seeds of Ruellia humilis is broken by chilling or by treatment with gibberellic acid (GA3). Embryos are nondormant and will grow when the seed coat is removed completely. Embryos from chilled or GA3-treated seeds have more growth potential than embryos from nontreated seeds. Dormancy is ascribed to ...

journal_title：Planta

authors： Baskin JM,Baskin CC

更新日期：1971-12-01 00:00:00

abstract：:Plants of Monstera deliciosa Liebm. pruned to exemplars with one leaf and one aerial root were labeled with 7.4 MBq (14)CO2 over the leaf blade. Microautoradiographs of soluble and insoluble radioactivity were prepared from three different regions of the aerial root. In addition, histochemical localization of ATPase w...

journal_title：Planta

authors： Eschrich W

更新日期：1983-05-01 00:00:00

abstract：:MicroRNAs (miRNAs) play important regulatory roles in plant development and stress responses. Tomato is an economically important vegetable crop in the world with publicly available genomic information database, but only a limited number of tomato miRNAs have been identified. In this study, two independent small RNA l...

journal_title：Planta

authors： Feng J,Liu S,Wang M,Lang Q,Jin C

更新日期：2014-12-01 00:00:00

abstract：:It is widely accepted that nitrate but not ammonium improves tolerance of plants to hypoxic stress, although the mechanisms related to this beneficial effect are not well understood. Recently, nitrite derived from nitrate reduction has emerged as the major substrate for the synthesis of nitric oxide (NO), an important...

journal_title：Planta

authors： Oliveira HC,Salgado I,Sodek L

更新日期：2013-01-01 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：MAIN CONCLUSION:Identification and characterization of 5,446 mlncRNAs from Salvia miltiorrhiza showed that the majority of identified mlncRNAs were stress responsive, providing a framework for elucidating mlncRNA functions in S. miltiorrhiza. mRNA-like noncoding RNAs (mlncRNAs) are transcribed by RNA polymerase II and ...

journal_title：Planta

authors： Li D,Shao F,Lu S

更新日期：2015-05-01 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：:A particulate preparation from developing cotyledons of Phaseolus vulgaris L. was incubated with uridine-5'-diphospho-N-acetyl-D-glucosamine (UDP-GlcNAc; [6-(3)H]glucosamine), and by polyacrylamide gel electrophoretic analysis it was shown that the labeled (N-acetyl)glucosamine (GlcNAc) was incorporated into the princ...

journal_title：Planta

authors： Davies HM,Delmer DP

更新日期：1979-09-01 00:00:00

abstract：:Preharvest aflatoxin contamination has been identified by the peanut industry as a serious issue in food safety and human health because of the carcinogenic toxicity. Drought stress is the most important environmental factor exacerbating Aspergillus infection and aflatoxin contamination in peanut. The development of d...

journal_title：Planta

authors： Guo BZ,Xu G,Cao YG,Holbrook CC,Lynch RE

更新日期：2006-02-01 00:00:00

abstract：:The dynamics of actin-filament organization in pollen-tube subprotoplasts ofNicotiana tabacum L. cv. Samsun during regeneration and outgrowth was examined using phalloidin probes and a non-fixation method. A succession of actin arrays was examined during subprotoplast regeneration that strongly resembled the actin dyn...

journal_title：Planta

authors： Rutten TL,Derksen J

更新日期：1990-03-01 00:00:00

abstract：:Homologous cDNA clones of the nuclear-codes 23- and 33-kDa polypeptides of the oxygen-evolving system, as well as the Rieske iron/sulfur protein, were expressed in antisense or sense orientation under the control of the 35S RNA cauliflower mosaic virus promoter in transgenic tobacco (Nicotiana tabacum, L.) in order to...

journal_title：Planta

authors： Palomares R,Herrmann RG,Oelmuller R

更新日期：1993-01-01 00:00:00

abstract：:Symbiotic association of legume plants with rhizobia bacteria culminates in organogenesis of nitrogen-fixing root nodules. In indeterminate nodules, plant cells accommodate rhizobial infection by enclosing each bacterium in a membrane-bound, organelle-like compartment called the symbiosome. Numerous symbiosomes occupy...

journal_title：Planta

authors： Catalano CM,Czymmek KJ,Gann JG,Sherrier DJ

更新日期：2007-02-01 00:00:00

abstract：:Cytoskeleton dynamics during phototropin-dependent chloroplast photorelocation movement was analyzed in protonemal cells of actin- and microtubule-visualized lines of Physcomitrella patens expressing GFP- or tdTomato-talin and GFP-tubulin. Using newly developed epi- and trans-microbeam irradiation systems that permit ...

journal_title：Planta

authors： Yamashita H,Sato Y,Kanegae T,Kagawa T,Wada M,Kadota A

更新日期：2011-02-01 00:00:00

abstract：:Fatty acid synthesis was studied in successive leaf sections from the base to the tip of developing barley (Hordeum vulgare L.), maize (Zea mays L.), rye grass (Lolium perenne L.) and wheat (Triticum aestivium L.) leaves. The basal regions of the leaves had the lowest rates of fatty acid synthesis and accumulated smal...

journal_title：Planta

authors： Bolton P,Harwood JL

更新日期：1978-01-01 00:00:00

abstract：:Ricinus communis cv. Carmencita seedlings with their cotyledons incubated in sucrose solution and their hypocotyls cut to induce exudation of phloem sap, constitute a system of sucrose fluxes into and out of the cotyledons. This system was characterized with respect to quasi-steady-state conditions of sucrose uptake a...

journal_title：Planta

authors： Orlich G,Komor E

更新日期：1992-07-01 00:00:00

abstract：:Supernatant and resuspended pellet samples from a centrifugation of homogenised, etiolated oat seedlings were prepared and assayed spectrophotometrically for phytochrome in the presence and absence of added calcium carbonate (CaCO3) particles under a variety of conditions. At a constant sample thickness, in the absenc...

journal_title：Planta

authors： Watson PJ,Smith H

更新日期：1982-03-01 00:00:00

abstract：:The time courses of sesquiterpenoid phytoalexin accumulation were examined in compatible and incompatible interactions of leaves and tubers from five different R genotypes of potato (Solanum tuberosum) with corresponding pathotypes of Phytophthora infestans, as well as in non-host interactions of all five potato culti...

journal_title：Planta

authors： Rohwer F,Fritzemeier KH,Scheel D,Hahlbrock K

更新日期：1987-04-01 00:00:00

abstract：:Limbs of flower buds from Petunia hybrida were investigated for β-glucosidase activity with dihydroflavonol-glucosides and 4-methyl-umbelliferyl-β-D-glucoside as substrates. Dihydroflavonol-glucoside β-glucosidase is localized in the cell wall. This activity has an acid pH optimum and is also active toward 4-methyl-um...

journal_title：Planta

authors： Schram AW,Al EJ,Douma N,Jonsson LM,de Vlaming P,Kooi A,Bennink GJ

更新日期：1982-07-01 00:00:00

abstract：:Ultraviolet (UV)-absorbing phenolic compounds that have been shown to be protective against the damaging: effects of UV-B radiation (Tevini et al., 1991, Photochem. Photobiol. 53, 329-333) were found in the leaf epidermis of tropical mangrove tree species. These UV-absorbing phenolic compounds and leaf succulence func...

journal_title：Planta

authors： Lovelock CE,Clough BF,Woodrow IE

更新日期：1992-09-01 00:00:00

abstract：:A major wall protein of suspension-cultured cells of French bean has been isolated and characterised. It can be prepared from walls or the culture filtrate and in composition it is particularly rich in proline, valine and glutamic acid/glutamine and contains appreciable amounts of hydroxyproline. The N-terminus shows ...

journal_title：Planta

authors： Millar DJ,Slabas AR,Sidebottom C,Smith CG,Allen AK,Bolwell GP

更新日期：1992-05-01 00:00:00