Gibberellin metabolism in excised lettuce hypocotyls: Evidence for the formation of gibberellin A1 glucosyl conjugates.

abstract：:2-(Chloroethyl)phosphonic acid (CEPA) inhibited the rise in tannin production and phenylalanine ammonia-lyase EC 4.1.1.5 (PAL) activity shown by Acer cells in media containing 9.0×10(-7) M 2,4-D for a period of 2-3 days after its addtion. ...

journal_title：Planta

authors： Westcott RJ

更新日期：1976-01-01 00:00:00

abstract：:Non-propagating, asynchronous action potentials may be detected with an extracellular electrode placed on the hook of the pea epicotyl following mechanical stimulation. These may well mediate the release of ethylene which has previously been shown to control the diameter of mechanically stressed shoots. ...

journal_title：Planta

authors： Pickard BG

更新日期：1971-06-01 00:00:00

abstract：:1-Aminocyclopropane-1-carboxylic acid synthase (ACS) catalyzes the rate-limiting step in ethylene biosynthesis during ripening. ACS isozymes are regulated both transcriptionally and post-translationally. However, in banana, an important climacteric fruit, little is known about post-translational regulation of ACS. Her...

journal_title：Planta

authors： Choudhury SR,Roy S,Sengupta DN

更新日期：2012-08-01 00:00:00

abstract：:Vacuoles were isolated by osmotic rupture of mesophyll protoplasts from the primary leaves of 4-d- and 7-d-old plants of rye (Secale cereale L.). Their content of two flavones, luteolin 7-O-[β-D-glucuronosyl-(1→2)β-D-glucuronide] (R2) and luteolin 7-O-[β-D-glucuronosy 1 (1→2) β-D-glucuronide]-4'-O-β-D-glucuronide (R1)...

journal_title：Planta

authors： Anhalt S,Weissenböck G

更新日期：1992-04-01 00:00:00

abstract：:We have investigated whether sucrose accumulation in heterotrophic cell-suspension cultures of Chenopodium rubrum L. is regulated by a cycle in which sucrose is simultaneously synthesised and degraded. Net sucrose accumulation was measured by monitoring the sucrose content, unidirectional synthesis was monitored by su...

journal_title：Planta

authors： Dancer J,Hatzfeld WD,Stitt M

更新日期：1990-09-01 00:00:00

abstract：:Peptone is more effective than nitrate as a nitrogen source for heterotrophic cultures of Chlorella vulgaris (Emerson strain). It allows the production of an increased amount of algal material and supports an enhanced rate of cell division. Peptone-supplied heterotrophic cultures have a significantly higher content of...

journal_title：Planta

authors： Griffiths DJ

更新日期：1967-06-01 00:00:00

abstract：:Grapevine bud fruitfulness is determined by the differentiation of uncommitted meristem (UCM) into either tendril or inflorescence. Since tendril and inflorescence differentiation have long been considered sequential steps in inflorescence development, factors that control the progression of floral meristem developmen...

journal_title：Planta

authors： Crane O,Halaly T,Pang X,Lavee S,Perl A,Vankova R,Or E

更新日期：2012-01-01 00:00:00

abstract：:In cell suspension cultures of Chenopodium rubrum maintained under photomixotrophic or photoautotrophic growth conditions the differentiation of chloroplasts is strictly blue-light-dependent. During this process of greening the steady-state concentration of mRNAs coding for plastid proteins increases rapidly in respon...

journal_title：Planta

authors： Richter G,Dudel A,Einspanier R,Dannhauer I,Hüsemann W

更新日期：1987-09-01 00:00:00

abstract：:1. The retarding effect of (2-chloroethyl)trimethylammonium chloride (CCC) on germination of kale seeds is reduced and overcome by either kinetin or gibberellic acid (GA). 2. Coumarin inhibition of germination is reduced by kinetin but not by GA. 3. Germination of seeds treated with coumarin in combination with CCC is...

journal_title：Planta

authors： Knypl JS

更新日期：1966-09-01 00:00:00

abstract：:The abscisic-acid (ABA) contents of isolated guard-cell protoplasts and mesophyll-cell protoplasts fromVicia faba were determined by high-pressure liquid chromatography followed by gas chromatography. The amounts of ABA found immediately after preparation of the protoplasts varied from 90 to 570 amol per guard-cell pr...

journal_title：Planta

authors： Lahr W,Raschke K

更新日期：1988-12-01 00:00:00

abstract：MAIN CONCLUSION:Functional allelic variants of TaGW2 - 6A produce large grains, possibly via changes in endosperm cells and dry matter by regulating the expression of cytokinins and starch-related genes via the ubiquitin-proteasome system. In wheat, TaGW2-6A coding region allelic variants are closely related to the gra...

journal_title：Planta

authors： Geng J,Li L,Lv Q,Zhao Y,Liu Y,Zhang L,Li X

更新日期：2017-12-01 00:00:00

abstract：:Low, non-freezing temperatures and/or short daylength (SD) regulates cold acclimation and dormancy in fruit trees. Regarding cold acclimation, C-repeat binding factor (CBF/DREB) transcriptional activator genes have the well-documented ability to induce the expression of a suite of genes associated with increased cold ...

journal_title：Planta

authors： Wisniewski M,Norelli J,Bassett C,Artlip T,Macarisin D

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 movement of (14)C from indole-3-acetic acid (IAA) (14)C has been examined in 5 mm root segments of dark-grown seedlings of Helianthus annuus and Brassica oleracea. Contaminants from distilled water, phosphate buffer and the razor-blade cutter increase the decarboxylation of IAA-(14)C, and cutting of root segments ...

journal_title：Planta

authors： Iversen TH,Aasheim T

更新日期：1970-12-01 00:00:00

abstract：:Metabolite levels and carbohydrates were investigated in the leaves of tobacco (Nicotiana tabacum L.) and leaves and tubers of potato (Solanum tuberosum L.) plants which had been transformed with pyrophosphatase from Escherichia coli. In tobacco the leaves contained two- to threefold less pyrophosphate than controls a...

journal_title：Planta

authors： Jelitto T,Sonnewald U,Willmitzer L,Hajirezeai M,Stitt M

更新日期：1992-09-01 00:00:00

abstract：MAIN CONCLUSION:We show that changing the expression of a putative feruloyl transferase gene belonging to the BAHD acyl-transferase family alters the levels of cell wall esterified ferulates and diferulates in Brachypodium distachyon cell walls. While the potential of grass cell walls for biofuel production has been re...

journal_title：Planta

authors： Buanafina MM,Fescemyer HW,Sharma M,Shearer EA

更新日期：2016-03-01 00:00:00

abstract：:Pisum sativum L., the garden pea crop plant, is serving as the unique model for genetic analyses of morphogenetic development of stipule, the lateral organ formed on either side of the junction of leafblade petiole and stem at nodes. The stipule reduced (st) and cochleata (coch) stipule mutations and afila (af), tendr...

journal_title：Planta

authors： Kumar S,Mishra RK,Kumar A,Srivastava S,Chaudhary S

更新日期：2009-08-01 00:00:00

abstract：:Uptake of NH 4 (+) and NO 3 (-) by the N2-fixing lichens Peltigera praetextata (two-component lichen) and P. aphthosa (three-component lichen) was studied. In addition, the effects of these ions, separately and in combination, on C2H2 reduction and CO2 exchange were examined. Both NH 4 (+) and NO 3 (-) were utilized b...

journal_title：Planta

authors： Hällbom L,Bergman B

更新日期：1983-04-01 00:00:00

abstract：:The unistratose thallus of the gemmaling of Riella helicophylla is divided into an apical growth lobe with the meristem, an intermediate pillar, and a basal rhizoidal lobe. This organization can be correlated with a distinct fluorescence pattern of wall and membrane after treatment with chlorotetracycline. Mature cell...

journal_title：Planta

authors： Grotha R

更新日期：1983-08-01 00:00:00

abstract：:The binding of concanavalin A (con A) to leek (Allium porrum L.) stem protoplasts has been investigated using sequential treatment with con A and haemocyanin and using con A covalently linked to ferritin. Prefixed protoplasts were evenly labelled. Unfixed protoplasts showed a clustered distribution of label. Low tempe...

journal_title：Planta

authors： Williamson FA

更新日期：1979-01-01 00:00:00

abstract：:Gas exchange, leaf water relations, malate content and phosphoenolpyruvate (PEP) carboxylase activity in crude extracts were examined for circadian rhythmicity in the crassulacean acid metabolism plant Kalanchoë daigremontiana. At low irradiance (20 W m(-2)) the rhythm in CO2 uptake continued for several days with a p...

journal_title：Planta

authors： Buchanan-Bollig IC,Smith JA

更新日期：1984-06-01 00:00:00

abstract：:Frequency, density and branching of plasmodesmata were counted in successive tangential and transverse walls in the cambial zone of tomato stems in order to examine development of the plasmodesmal network in a chronological order. Coincident with progress of cell development, plasmodesmal connectivity increased, both ...

journal_title：Planta

authors： Ehlers K,van Bel AJ

更新日期：2010-01-01 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：: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：:Furfural uptake was studied with regard to possible mechanisms of inducing germination in ascospores. Uptake was found to involve a large, weakly bound reversible component and a small tightly bound irreversible component. Localization experiments indicate that almost all of the furfural removed from the media is boun...

journal_title：Planta

authors： Eilers FI,Sussman AS

更新日期：1970-12-01 00:00:00

abstract：:Seedlings from the white mustard, Sinapis alba, grown under continuous far-red light exhibit enhanced plastid enzyme activities when compared with dark-grown seedlings (for review, see Mohr 1981). These activities are even more pronounced upon illumination with white light during the etioplast/chloroplast transformati...

journal_title：Planta

authors： Lütke-Brinkhaus F,Kleinig H

更新日期：1987-07-01 00:00:00

abstract：:We have studied the movement and metabolism of oligogalacturonides through shoots of tomato (Lycopersicon esculentum L. cv Rutgers). Oligomers of polygalacturonic acid were prepared by enzyme digestion and gel filtration. These were end-reduced with [(3)H]NaBH4, using an improved reaction method, to yield oligoalditol...

journal_title：Planta

authors： Macdougall AJ,Rigby NM,Needs PW,Selvendran RR

更新日期：1992-11-01 00:00:00

abstract：:Treatment of cress (Lepidium sativum L.) roots with phytohormones (4.3 x 10(-5) M gibberellic acid plus 4.3 x 10(-5) M kinetin, 30 h; T.H. Iversen, 1969, Physiol. Plant. 22, 1251-1262) caused not only complete destarching of amyloplasts but also destruction of the polar arrangement of cell organelles in statocytes. Th...

journal_title：Planta

authors： Busch MB,Sievers A

更新日期：1990-06-01 00:00:00

abstract：:Measurements of net CO2 exchange, malate accumulation, properties and capacity of phosphoenolpyruvate carboxylase (PEPC, EC 4.1.1.31) in leaves of different ages of two short-day dependent Crassulacean acid metabolism (CAM) plants (Kalanchoe blossfeldiana v. Poelln. Tom thumb and K. velutina Welw.) show that, in both ...

journal_title：Planta

authors： Brulfert J,Guerrier D,Queiroz O

更新日期：1982-05-01 00:00:00

abstract：:Protoplasts prepared from the upper epidermis of tobacco (Nicotiana tabacum L.) leaves produce tubular structures which are highly fluorescent in the presence of Calcofluor white. The presence of Ca(2+) in the incubation medium appears to be necessary for the production of these fibers. A commercial cellulase preparat...

journal_title：Planta

authors： Fannin FF,Shaw JG

更新日期：1983-11-01 00:00:00