Laticifers in stamens of Papaver somniferum L.

abstract：:Cotyledons of mustard (Sinapis alba L.) seedlings irradiated with far-red light were shown to synthesize high molecular weight precursor rRNA (2.4×10(6)-2.9×10(6) dalton) at a considerably enhanced rate compared to dark-grown cotyledons. This result was obtained by pulse-labelling cotyledons isolated from 48 h old see...

journal_title：Planta

authors： Thien W,Schopfer P

更新日期：1975-01-01 00:00:00

abstract：:Suspension-cultured cells of mangrove [Bruguiera sexangula (Lour.) Poir.] showed a rapid increase in vacuolar volume under salt stress, although there was no change in the cell volume. The rapid increase in the vacuolar volume was an active process, which followed the activation of the tonoplast H(+)-ATPase and the va...

journal_title：Planta

authors： Mimura T,Kura-Hotta M,Tsujimura T,Ohnishi M,Miura M,Okazaki Y,Mimura M,Maeshima M,Washitani-Nemoto S

更新日期：2003-01-01 00:00:00

abstract：:Cross tolerance is a phenomenon that occurs when a plant, in resisting one form of stress, develops a tolerance to another form. Pretreatment with nonlethal heat shock has been known to protect cells from metal stress. In this study, we found that the treatment of rice roots with more than 25 muM of Cu(2+) caused cell...

journal_title：Planta

authors： Chen PY,Lee KT,Chi WC,Hirt H,Chang CC,Huang HJ

更新日期：2008-08-01 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 major storage proteins isolated from wild-type seeds of Arabidopsis thaliana (L.) Heynh., strain "Columbia", were studied by sucrose gradient centrifugation and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Both the hypocotyl and cotyledons of mature embryos contained abundant 12 S (crucife...

journal_title：Planta

authors： Heath JD,Weldon R,Monnot C,Meinke DW

更新日期：1986-11-01 00:00:00

abstract：:Past genetic studies have shown three independent loci designated O, R and M control spathe color in Anthurium andraeanum (Hort.). To evaluate the genetic model and to understand the control of anthocyanin biosynthesis at the molecular level, the expression of the anthocyanin biosynthetic genes, CHS, F3H, DFR, ANS and...

journal_title：Planta

authors： Gopaulchan D,Umaharan P,Lennon AM

更新日期：2014-03-01 00:00:00

abstract：:A photomixotrophic tissue culture system for Nicotiana plumbaginifolia and N. tabacum has been developed in which a primary symptom (bleching) of the inhibition of photosynthetic electron transport by herbicides can be observed. Photomixotrophic cultures were initiated and maintained in the light on medium containing ...

journal_title：Planta

authors： Cséplő A,Medgyesy P

更新日期：1986-05-01 00:00:00

abstract：:Plant defence strategies usually involve the action of several gene products. Transgenic resistance strategies are likely to have enhanced efficacy when they involve more than one transgene. Here we explore possible mechanisms for the co-delivery of multiple effectors via a single transgene. As an example we report th...

journal_title：Planta

authors： Urwin PE,McPherson MJ,Atkinson HJ

更新日期：1998-04-01 00:00:00

abstract：:Tobacco leaves (Nicotiana tabacum var. Wisconsin 38) submitted to anaerobic conditions behave in a manner similar to that of maize, sugarcane, or sorghum leaves (C4-plants); more precisely, a lag time in O2 release is exhibited when the leaves are exposed to light after treatment in the dark under pure nitrogen. Altho...

journal_title：Planta

authors： Carrier JM

更新日期：1977-01-01 00:00:00

abstract：:To study the interdependence of sucrose accumulation and its hydrolyzing enzyme, soluble acid invertase (AI; EC 3.2.1.26), in fructan-accumulating temperate grasses and cereals, experiments were performed in which sucrose synthesis was abolished in leaves of Lolium temulentum by four independent inhibitory factors, ea...

journal_title：Planta

authors： Cairns AJ,Gallagher JA

更新日期：2004-09-01 00:00:00

abstract：:Lipid 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 aestivum L.) leaves. The endogenous levels of acyl lipids and their constituent fatty acids from the same leaf sections were...

journal_title：Planta

authors： Bolton P,Harwood JL

更新日期：1978-01-01 00:00:00

abstract：:For phototropic curvature of a green sunflower seedling, only the hypocotyl has to be illuminated; the tip and cotyledons are not involved in stimulus perception. The etiolated seedling is phototropically insensitive, illumination of only the hypocotyl renders it sensitive. It is concluded that the photoreceptor is lo...

journal_title：Planta

authors： Franssen JM,Bruinsma J

更新日期：1981-04-01 00:00:00

abstract：:The sites of transcription and translation of carotenoid pigments were studied in synchronously grown cells of Chlamydomonas reinhardtii Dang. Rifampicin, cycloheximide and spectinomycin were used to distinguish between the nuclear-cytoplasmic genetic system and the genetic system of the chloroplast. Since rifampicin ...

journal_title：Planta

authors： Sirevåg R,Levine RP

更新日期：1973-03-01 00:00:00

abstract：:The hydraulic conductivities of excised whole root systems of wheat (Triticum aestivum L. cv. Atou) and of single excised roots of wheat and maize (Zea mays L. cv. Passat) were measured using an osmotically induced back-flow technique. Ninety minutes after excision the values for single excised roots ranged from 1.6·1...

journal_title：Planta

authors： Jones H,Leigh RA,Wyn Jones RG,Tomos AD

更新日期：1988-04-01 00:00:00

abstract：:14C-IAA was applied to decapitated Coleus 5th internodes. Sections were radioautographed at various intervals after the application. The location of the label within cells and tissues is discussed. No accumulation of label occurred in the region where xylem cells regenerated. Label was particularly associated with xyl...

journal_title：Planta

authors： Gee H

更新日期：1972-03-01 00:00:00

abstract：:Only 11% of the total peroxidase activity in a root tip homogenate of Zea mays (L.) was sedimentable. The majority of sedimentable activity was bound to membrane fractions with which acid hydrolases were also associated.Peroxidase activity was released from a cell wall fraction exhaustively washed using homogenization...

journal_title：Planta

authors： Parish RW

更新日期：1975-01-01 00:00:00

abstract：:Aspartate kinase (EC 2.7.2.4.) has been purified from 7 day etiolated wheat (Triticum aestivum L. var. Maris Freeman) seedlings and from embryos imbibed for 8 h. The enzyme was 50% inhibited by 0.25 mM lysine. In this study wheat aspartate kinase was not inhibited by threonine alone or cooperatively with lysine; these...

journal_title：Planta

authors： Bright SW,Shewry PR,Miflin BJ

更新日期：1978-01-01 00:00:00

abstract：:Cells of Chlamydomonas reinhardtii Dang. wild type and the cell-wall mutants cw2 and cw15 were grown synchronously. The two mutants secreted copious amounts of cell-wall-like glycoproteins into the culture medium in contrast to the wild type which released only minor quantities. Both the secreted proteins as well as t...

journal_title：Planta

authors： Zhang YH,Robinson DG

更新日期：1990-01-01 00:00:00

abstract：:The role of phloem anastomoses in translocation was studied experimentally in intact and wounded internodes ofDahlia pinnata Cav. Translocation was visualized with fluorescein, a fluorescent dye capable of movement in the phloem. Translocation was analyzed in large areas of living phloem tissue which were peeled from ...

journal_title：Planta

authors： Aloni R,Peterson CA

更新日期：1990-11-01 00:00:00

abstract：:An enzyme-linked immunosorbent assay (ELISA), which uses both rabbit polyclonal and mouse monoclonal antibodies to phytochrome, has been adapted for quantitation of phytochrome in crude plant extracts. The assay has a detection limit of about 100 pg phytochrome (<1 fmol of monomer) and can be completed within 10 h. No...

journal_title：Planta

authors： Shimazaki Y,Cordonnier MM,Pratt LH

更新日期：1983-12-01 00:00:00

abstract：:The symbiosis between legume plants and rhizobia causes the development of new organs, nodules which function as an apparatus for nitrogen fixation. In this study, the roles of auxin in nodule development in Lotus japonicus have been demonstrated using molecular genetic tools and auxin inhibitors. The expression of an...

journal_title：Planta

authors： Takanashi K,Sugiyama A,Yazaki K

更新日期：2011-07-01 00:00:00

abstract：:Aluminum (Al(3+)) has been recognized as a main toxic factor in crop production in acid lands. Phosphatidic acid (PA) is emerging as an important lipid signaling molecule and has been implicated in various stress-signaling pathways in plants. In this paper, we focus on how PA generation is affected by Al(3+) using Cof...

journal_title：Planta

authors： Ramos-Díaz A,Brito-Argáez L,Munnik T,Hernández-Sotomayor SM

更新日期：2007-01-01 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：:A study was made of the day-night changes under controlled environmental conditions in the bulk-leaf water relations of Kalanchoë daigremontiana, a plant showing Crassulacean acid metabolism. In addition to nocturnal stomatal opening and net CO2 uptake, the leaves of well-watered plants showed high rates of gas exchan...

journal_title：Planta

authors： Smith JA,Lüttge U

更新日期：1985-02-01 00:00:00

abstract：:Intact chloroplasts capable of high rates of CO2 assimilation completely oxidized 3-phosphoglycerate and dihydroxyacetone phosphate to glycolate when CO2 concentrations were low. Bicarbonate was converted first into products of the Calvin cycle and then into glycolate. Under high oxygen and at high pH values CO2 fixat...

journal_title：Planta

authors： Kirk MR,Heber U

更新日期：1976-01-01 00:00:00

abstract：:Regeneration of flower buds in thin tissue layers from pedicels of photoinduced short-day (SD) tobacco, Nicotiana tabacum L. cv. Maryland Mammoth, is described. Up to seven flower buds per explant were obtained in a medium containing Murashige and Skoog's macro- and microclements, 100 mg/l myoinositol, 0.1 mg/l thiami...

journal_title：Planta

authors： Rajeevan MS,Lang A

更新日期：1987-08-01 00:00:00

abstract：:Cells of Nicotiana tabacum L. suspension cultures were treated with the respiratory inhibitor rotenone, which specifically inhibits complex I activity of mitochondria. Rotenone retarded cell growth, as shown by decreases in fresh weight, dry weight and cell numbers on a suspension-volume basis. However, rates of the c...

journal_title：Planta

authors： Zhang Q,Soole KL,Wiskich JT

更新日期：2001-04-01 00:00:00

abstract：:Endogenous extractable factors associated with auxin action in plant tissues were investigated, especially their effects on elongation of 1-mm coleoptile segments of maize (Zea mays L.), in the presence of saturating 10 microM indole-3-acetic acid (IAA). The relative growth response, to auxin alone, was much smaller i...

journal_title：Planta

authors： Park WJ,Schäfer A,Prinsen E,van Onckelen H,Kang BG,Hertel R

更新日期：2001-05-01 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：:Cyclic electron transport around photosystem (PS) I is believed to play a role in generation of ATP required for adaptation to stress in cyanobacteria and plants. However, elucidation of the pathway(s) of cyclic electron flow is difficult because of low rates of this electron flow relative to those of linear photosynt...

journal_title：Planta

authors： Howitt CA,Cooley JW,Wiskich JT,Vermaas WF

更新日期：2001-11-01 00:00:00