Regulation of sedoheptulose-1,7-bisphosphatase by sedoheptulose-7-phosphate and glycerate, and of fructose-1,6-bisphosphatase by glycerate in spinach chloroplasts.

abstract：:Malic and citric acids accumulate in cherry tomato (Lycopersicon esculentum Mill.) fruit during the period of rapid growth, from the end of cell division to the onset of ripening. The involvement of phospho enolpyruvate carboxylase (PEPCase, EC 4.1.1.31) in organic acid accumulation and tomato fruit development was in...

journal_title：Planta

authors： Guillet C,Just D,Bénard N,Destrac-Irvine A,Baldet P,Hernould M,Causse M,Raymond P,Rothan C

更新日期：2002-03-01 00:00:00

abstract：MAIN CONCLUSION:Carbonylation-ROS-dependent posttranslational modification of proteins-may be regarded as one of the important events in the process of ageing or senescence in plants. Ageing is the progressive process starting from seed development (plants) and birth (animals). The life-span of living organisms depends...

journal_title：Planta

authors： Ciacka K,Tymiński M,Gniazdowska A,Krasuska U

更新日期：2020-07-01 00:00:00

abstract：:Two sites for β-oxidation of fatty acids in pea (Pisum sativum L.) cotyledons exist. One site is the microbody, the other the mitochondrion. Mitochondrial β-oxidation of fatty acids is carnitine-dependent. The fatty acid permeates the membrane as palmitoylcarnitine which is formed from cytosolic-side palmitoyl-CoA by ...

journal_title：Planta

authors： Thomas DR,Wood C

更新日期：1986-06-01 00:00:00

abstract：:Phytochrome per fresh weight in the apical 0.5 cm of the 1.5-cm coleoptile was twice that in the basal 0.5 cm; phytochrome per dry weight and phytochrome per DNA did not vary significantly from the base to the apex. Ratios of phytochrome to fresh or dry weight in the 6-cm coleoptile were nearly constant in the basal 5...

journal_title：Planta

authors： Correll DL,Edwards JL,Medina VJ

更新日期：1968-12-01 00:00:00

abstract：:The enzymes gibberellin (GA) 20-oxidase and 3-oxidase are major sites of regulation in GA biosynthesis. We have characterised one member of each of the gene families encoding these enzymes that are highly expressed in elongating stems and in developing and germinating grains of wheat and are therefore likely to have p...

journal_title：Planta

authors： Appleford NE,Evans DJ,Lenton JR,Gaskin P,Croker SJ,Devos KM,Phillips AL,Hedden P

更新日期：2006-02-01 00:00:00

abstract：:Two types of auxin-binding sites (sites I and II) in membranes from maize (Zea mays L.) coleoptiles were characterized. Site I was a protein with a relative molecular mass of 21 000, and the distribution of site I protein on sucrose density gradient fractionation coincided with that of NADH-cytochrome-c reductase (EC ...

journal_title：Planta

authors： Shimomura S,Inohara N,Fukui T,Futai M

更新日期：1988-10-01 00:00:00

abstract：:The expansion growth of plant organs is inhibited at low water potentials (Ψ w), but the inhibition has not been compared in different organs of the same plant. Therefore, we determined elongation rates of the roots, stems, leaves, and styles (silks) of maize (Zea mays L.) as soil water was depleted. The Ψ w was measu...

journal_title：Planta

authors： Westgate ME,Boyer JS

更新日期：1985-07-01 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：MAIN CONCLUSION:The analysis of early generations of triticale showed numerous rearrangements of the genome. Complexed transformation included loss of chromosomes, t-heterochromatin content changes and the emergence of retrotransposons in new locations. This study investigated certain aspects of genomic transformations...

journal_title：Planta

authors： Kalinka A,Achrem M

更新日期：2018-04-01 00:00:00

abstract：:Rice MKRN is a member of the makorin RING finger protein gene (MKRN) family, which encodes a protein with a characteristic array of zinc-finger motifs conserved in various eukaryotes. Using non-radioactive in situ hybridization, we investigated the spatio-temporal gene expression pattern of rice MKRN during embryogene...

journal_title：Planta

authors： Wadekar HB,Sahi VP,Morita EH,Abe S

更新日期：2013-04-01 00:00:00

abstract：:From the initial discovery of free-running endogenous circadian oscillations of Crassulacean acid metabolism (CAM) under constant conditions in the light and in air, it has been disputed whether the underlying oscillator is enzymic or biophysical. The hypothesis of a biophysical hysteresis switch or beat oscillator st...

journal_title：Planta

authors： Lüttge U

更新日期：2000-11-01 00:00:00

abstract：:The water potentials of frozen leaves of Afroalpine plants were measured psychrometrically in the field. Comparison of these potentials with the osmotic potentials of an expressed cellular sap and the water potentials of ice indicated almost ideal freezing behaviour and suggested equilibrium freezing. On the basis of ...

journal_title：Planta

authors： Beck E,Schulze ED,Senser M,Scheibe R

更新日期：1984-09-01 00:00:00

abstract：:The (12)CO2- and (14)CO2-exchange of illuminated corn leaf discs were measured at normal (21%) and low (1%) oxygen. After periods of exposure to (14)CO2 or to (14)CO2 followed by (12)CO2, the discs were killed and the specific activities of some metabolites were determined. At both O2 concentrations the specific activ...

journal_title：Planta

authors： Mahon JD,Fock H,Höhler T,Canvin DT

更新日期：1974-01-01 00:00:00

abstract：:α-Galactosidase II(2) (MW ∼ 43 390) from resting Vicia faba L. seeds had been shown to possess D-glucose/D-mannose-specific lectin activity. Inhibition studies with monosaccharides and an examination of the effects of heat and pH on the catalytic and lectin activities of the enzyme indicate that the enzyme substrate a...

journal_title：Planta

authors： Dey PM,Naik S,Pridham JB

更新日期：1986-01-01 00:00:00

abstract：:Different epidemiological and preclinical studies have demonstrated that regular consumption of anthocyanin-rich foods is associated to a reduced risk of chronic diseases, such as cardiovascular diseases, cancer and obesity. However, assigning a health property to anthocyanins or other classes of flavonoids may be lim...

journal_title：Planta

authors： Petroni K,Pilu R,Tonelli C

更新日期：2014-11-01 00:00:00

abstract：:Etiolated maize leaves (Zea mays L.) contain a major isozyme of NADP-dependent malic enzyme (L-malate dehydrogenase, decarboxylating, EC 1.1.1.40) having an isoelectric point of 5.28±0.03, a Km (L-malate) 0.3-0.6 mM at pH 7.45; a broad pH optimum around pH 6.9 under the conditions of assay; a molecular weight of 280,0...

journal_title：Planta

authors： Pupillo P,Bossi P

更新日期：1979-01-01 00:00:00

abstract：:Experiments have been carried out to determine the basis for the dependence of chloroplast pigment synthesis on protein synthesis in dark-grown cells of Euglena gracilis greening in the light. The complete inhibition of chlorophyll synthesis brought about by actidione (10 μg/ml) when added half way through the greenin...

journal_title：Planta

authors： Kirk JT

更新日期：1967-06-01 00:00:00

abstract：:Callose synthesis occurs at specific stages of plant cell wall development in all cell types, and in response to pathogen attack, wounding and physiological stresses. We determined the expression pattern of "upstream regulatory sequence" of 12 Arabidopsis callose synthase genes (CalS1-12) genes and demonstrated that d...

journal_title：Planta

authors： Dong X,Hong Z,Chatterjee J,Kim S,Verma DP

更新日期：2008-12-01 00:00:00

abstract：:Articulated anastomosing laticifers were identified at both light and electron microscopic levels in the stamens of Papaver somniferum L. They were observed associated with the phloem forming a continuous system from the filament into the anther of the stamen. Laticifers, which were comparable in structure to laticife...

journal_title：Planta

authors： Nessler CL,Mahlberg PG

更新日期：1976-01-01 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：:As previously found, both the level of ether-extractable auxin (presumably indole-3-acetic acid) and the root-forming ability of B.xcheimantha leaves are increased under long-day conditions by high temperature, whereas the capacity for adventitious bud formation is reduced. However, this relation is present under rela...

journal_title：Planta

authors： Heide OM

更新日期：1968-06-01 00:00:00

abstract：:The giant cells of the petiolar hairs of Heracleum mantegazzianum contain cytoplasmic fibres that are readily visible with phase contrast or interference contrast optics. These fibres are associated with saltatory particle movement and protoplasmic streaming in this cell and are believed to be the living image of simi...

journal_title：Planta

authors： O'Brien TP,McCully ME

更新日期：1970-03-01 00:00:00

abstract：:The uptake of sulphate into roots of barley seedlings is highly sensitive to phenylglyoxal (PhG), an arginine-binding reagent. Uptake was inhibited by >80% by a 1-h pre-treatment of roots with 0.45 mol · m(-3) PhG. Inhibition was maximal in pre-treatment solutions buffered between pH 4.5 and 6.5. Phosphate uptake, mea...

journal_title：Planta

authors： Clarkson DT,Hawkesford MJ,Davidian JC,Grignon C

更新日期：1992-06-01 00:00:00

abstract：:The inductive effect of short-day (SD) cycles on floral-bud initiation in Impatiens balsamina was enhanced and the minimum requirement for SD cycles for flowering reduced by intercalated long days (LDs). Thus, floral buds developed into flowers with only 4 SD cycles in plants receiving them individually or in pairs al...

journal_title：Planta

authors： Toky KL,Nanda KK

更新日期：1969-06-01 00:00:00

abstract：:The vacuolar pH of individual cells of the epidermis of intact leaves of Commelina communis L. has been determined using pH sensitive microelectrodes. The results show that the pH of the guard cells increases by approximately 0.5 units during stomatal opening. The changes in vacuolar pH mirror the changes in vacuolar ...

journal_title：Planta

authors： Penny MG,Bowling DJ

更新日期：1975-01-01 00:00:00

abstract：:Membranes from the buds of Pisum sativum L. contain a protein kinase which is activated 5- to 15-fold by micromolar levels of calcium. Best calcium activations were found with light-membrane fractions, and on density gradients these band at a similar position to the plasma membrane. Other heavier membranes, however, a...

journal_title：Planta

authors： Hetherington AM,Trewavas A

更新日期：1984-07-01 00:00:00

abstract：:Immunomodulation is a means to modulate an organism's function by antibody production to capture either endogenous or exogenous antigens. We have recently succeeded in obtaining gibberellin (GA)-deficient phenotypes in Arabidopsis thaliana by using anti-bioactive GA antibodies. In this study, a single-chain antibody (...

journal_title：Planta

authors： Urakami E,Yamaguchi I,Asami T,Conrad U,Suzuki Y

更新日期：2008-10-01 00:00:00

abstract：:The bud-inducing effect of the cytokinin N(6)-(Δ(2)-isopentenyl)-adenine (i(6)-Ade) was examined in the moss Physcomitrella patens growing in liquid culture. Under these conditions, buds could be induced on chloronemata as well as on caulonemata. By application of i(6)-Ade, bud-formation was accelerated in both types ...

journal_title：Planta

authors： Reski R,Abel WO

更新日期：1985-08-01 00:00:00

abstract：:Transmission electron microscopy and immunocytological labeling were used to study the distribution and ontological occurrence of dinitrogenase reductase (Fe-protein) of nitrogenase in cyanobacterial symbionts within young leaves of the water-ferns Azolla filiculoides Lamarck, A. caroliniana Willdenow, and A. pinnata ...

journal_title：Planta

authors： Braun-Howland EB,Lindblad P,Nierzwicki-Bauer SA,Bergman B

更新日期：1988-12-01 00:00:00

abstract：:The first hours of seed germination are characterized by an increase in the rate of RNA synthesis. Although this change is most easily accounted for by changes in the ribonucleotide pool sizes, we investigated two other aspects of rRNA synthesis which are likely to contribute to the phenomenon. Using isolated radish e...

journal_title：Planta

authors： Aspart L,Cooke R,Michaux-Ferriere N,Delseny M

更新日期：1980-02-01 00:00:00