Development of the nitrogen fixing apparatus in the legumes, Centrosema pubescens Benth., and Vigna unguiculata L. Walp.

abstract：:Analogies and differences between the growth-promoting action of fusicoccin (FC), the toxic agent produced by Fusicoccum amygdali, and of indole-3-acetic acid (IAA) in etiolated pea internode segments were further investigated. It was confirmed that the effect of FC, at optimal concentration, on growth by cell enlarge...

journal_title：Planta

authors： Lado P,Caldogno FR,Pennacchioni A,Marrè E

更新日期：1973-12-01 00:00:00

abstract：:This study tests the hypothesis that red-leaved gametophytes of the liverwort Jamesoniella colorata (Lehm.) Schiffn., which are found in relatively dry habitats, are more desiccation tolerant than their green counterparts, which are found in moister environments, through superior photoprotective systems. The potential...

journal_title：Planta

authors： Hooijmaijers CA

更新日期：2008-05-01 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：:The kinetics and localization of Rb(+) uptake by barley roots were studied as function of the water potential of the medium. At potentials causing plasmolysis, uptake is reduced and becomes restricted to the outer surface of the root. The conclusion is that, at least for Rb(+) in the range of low external concentratio...

journal_title：Planta

authors： van Iren F,Boers-van der Sluijs P

更新日期：1980-03-01 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：:Four proteins were isolated from depectinised elementary fibres of flax (Linum usitatissimum L.), using either alkali or cellulase digestion treatments. All the four proteins were characterized by a deficiency or low contents of hydroxyproline and by high levels of glutamic acid/glutamine and/or aspartic acid/asparagi...

journal_title：Planta

authors： Girault R,His I,Andeme-Onzighi C,Driouich A,Morvan C

更新日期：2000-07-01 00:00:00

abstract：:In plants of Silene coeli-rosa, induced to flower by 7 LD, synchronisation of cell division in 20 per cent or more of the cells in the shoot apical dome was found on the 8th and 9th days after the beginning of induction, during the plastochron before sepal initiation. Synchronisation was inferred from the changes in t...

journal_title：Planta

authors： Francis D,Lyndon RF

更新日期：1979-01-01 00:00:00

abstract：:Hahb-4 is a member of Helianthus annuus (sunflower) subfamily I of HD-Zip proteins. Transgenic Arabidopsis thaliana plants constitutively expressing this gene exhibit a strong tolerance of water stress in concert with morphological defects and a delay in development. In order to obtain a drought-tolerant phenotype wit...

journal_title：Planta

authors： Cabello JV,Dezar CA,Manavella PA,Chan RL

更新日期：2007-10-01 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：:Cultured tobacco-pith tissue contains a cytoplasmic receptor for indoleacetic acid (IAA). The concentration of binding sites is very low in comparison to that of several auxin receptors found by other investigators. A few obvious possible causes (degradation or inactivation) were investigated. From the results we conc...

journal_title：Planta

authors： Oostrom H,Kulescha Z,van Vliet TB,Libbenga KR

更新日期：1980-06-01 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 purified protein which constitutes the membranes of the gas vacuoles of the the blue-green alga, Microcystis aeruginosa, was partially characterized. Gel electrophoresis and end-group analysis indicate that the protein is a single species. Strongly protic solvents such as formic acid are the only reagents causing ...

journal_title：Planta

authors： Jones DD,Jost M

更新日期：1971-12-01 00:00:00

abstract：:Leaves of plants with Crassulacean acid metabolism (CAM) were analyzed for variation in the content of polyamines in connection with the metabolism of malic acid in the dark and in the light, and with the induction of full-CAM activity. Under conditions (long days) resulting in extremely low CAM activity, young leaves...

journal_title：Planta

authors： Morel C,Villanueva VR,Queiroz O

更新日期：1980-10-01 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：:It is usually assumed that aquaporins present in the cellular membranes could be an important route in the control of water flux in plants, but evidence for this hypothesis is scarce. In this paper, we report measurements of the osmotic permeability (P(os) of protoplasts isolated from hypocotyls of wild-type and mutan...

journal_title：Planta

authors： Morillon R,Catterou M,Sangwan RS,Sangwan BS,Lassalles JP

更新日期：2001-01-01 00:00:00

abstract：:The differential expression of genes was analyzed during leaf senescence in Arabidopsis thaliana (L.) Heynh., using suppression subtractive hybridization (SSH). In order to characterize the differential expression of regulatory genes, the analysis was performed at a very early time point when leaves first differed in ...

journal_title：Planta

authors： Hinderhofer K,Zentgraf U

更新日期：2001-07-01 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 simple method is described for the isolation of intact nucleic from rice tissue (Oryza sativa L.) grown in suspension culture. The procedure involves incubation of the tissue for 4 h with cellulase and pectinase prior to disruption of the cells. The yield of nucleic is approximately 40% (DNA basis) and the preparati...

journal_title：Planta

authors： App A,Granados RR

更新日期：1974-01-01 00:00:00

abstract：:The enhancement by indoleacetic acid (IAA) of (36)Cl(-) uptake into Avena coleoptile sections was used to study the effects of a hormone on a membrane-controlled phenomenon. Compared to sections in phosphate buffer only, Cl(-) content of the cells increases 15 min after addition of IAA; the promotion is seen only with...

journal_title：Planta

authors： Rubinstein B,Light EN

更新日期：1973-03-01 00:00:00

abstract：:Scenedesmus obliquus, strain 633, which synthesizes ketocarotenoids and sporopollenin, also forms pink-red-colored cell walls. Both the cell walls left over after autospore liberation and those from homogenates of disrupted green cells have similar carotenoid pigmentation. Canthaxanthin, astaxanthin, an unidentified k...

journal_title：Planta

authors： Burczyk J,Szkawran H,Zontek I,Czygan FC

更新日期：1981-03-01 00:00:00

abstract：:1. In Scenedesmus acutus Tomaselli, endogenous variations in cell progeny production and chlorophyll formation have been found which are very similar to those previously described in Chlorella by Hesse (Z. Pflanzenphysiol. 67, 58-77, 1972). When the dark phase of the light-dark-cycle is prolonged to a certain extent, ...

journal_title：Planta

authors： Galling G,Rössler-Hedenskog M,Lorenzen H

更新日期：1975-01-01 00:00:00

abstract：:The uptake of uridine-5'-diphosphate (UDP) glucose into vacuoles isolated fromSaccharum sp. cells was fully inhibited by pretreatment with 50 μMp-chloromercuribenzenesulfonic acid (PCMBS) and was not affected by N-ethylmaleimide up to a concentration of 5 mM. The addition of 10 mM UDP-glucose during the pretreatment p...

journal_title：Planta

authors： Delrot S,Thom M,Maretzki A

更新日期：1986-03-01 00:00:00

abstract：:The pho2 mutant of Arabidopsis thaliana (L.) Heynh. accumulates excessive Pi (inorganic phosphate) concentrations in shoots compared to wild-type plants (E. Delhaize and P. Randall, 1995, Plant Physiol. 107: 207-213). In this study, a series of experiments was conducted to compare the uptake and translocation of Pi by...

journal_title：Planta

authors： Dong B,Rengel Z,Delhaize E

更新日期：1998-06-01 00:00:00

abstract：:The pathway of sucrose metabolism in cyanobacteria is just starting to be elucidated. The present study describes the first isolation and biochemical characterization of a prokaryotic sucrose synthase (SS, EC 2.4.1.13). Two SS forms (SS-I and SS-II) were detected in Anabaena sp. strain PCC 7119. The isoform SS-II was ...

journal_title：Planta

authors： Porchia AC,Curatti L,Salerno GL

更新日期：1999-11-01 00:00:00

abstract：:Strategic control of mitochondrial movements and cellular distribution is essential for correct cell function and survival. However, despite being a vital process, mitochondrial movement in plant cells is a poorly documented phenomenon. To investigate the roles of actin filaments and microtubules on mitochondrial move...

journal_title：Planta

authors： Zheng M,Wang Q,Teng Y,Wang X,Wang F,Chen T,Samaj J,Lin J,Logan DC

更新日期：2010-03-01 00:00:00

abstract：:Movement of IAA was studied in excised coleoptile apices and whole seedlings of Zea mays L. and Avena sativa L. during geotropic stimulation. A micropipette technique permitted the application of [5-(3)H]IAA at predetermined points on the coleoptiles with minimal tissue damage.When [5-(3)H]IAA was applied to the upper...

journal_title：Planta

authors： Shaw S,Gardner G,Wilkins MB

更新日期：1973-06-01 00:00:00

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：:FLOWERING LOCUS C (FLC) is a central floral repressor for the determination of flowering time in Arabidopsis. FLC expression is reactivated upon fertilization and regulated during seed development to ensure the appropriate floral behavior; however, the molecular mechanism for this process is largely unknown. Here, we ...

journal_title：Planta

authors： Yun H,Hyun Y,Kang MJ,Noh YS,Noh B,Choi Y

更新日期：2011-12-01 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：:A method was developed for electrofusion of higher-plant protoplasts from celery and protoplasts from the filamentous fungus Aspergillus nidulans. Initially, methods for the fusion of protoplasts from ecch species were determined individually and, subsequently, electrical parameters for fusion between the species were...

journal_title：Planta

authors： Lynch PT,Isaac S,Collin HA

更新日期：1989-05-01 00:00:00