Circadian rhythms in crassulacean acid metabolism: phase relationships between gas exchange, leaf water relations and malate metabolism in Kalanchoë daigremontiana.

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 surface of plants is covered by cuticular wax, which contains a mixture of very long-chain fatty acid (VLCFA) derivatives. This wax surface provides a hydrophobic barrier which reduces non-stomatal water loss. One component of the cuticular wax is the alkyl esters, which typically contain a VLCFA esterified to an ...

journal_title：Planta

authors： King A,Nam JW,Han J,Hilliard J,Jaworski JG

更新日期：2007-07-01 00:00:00

abstract：:Ozone (O3), a major photochemical oxidant, causes leaf injury in plants. Plants synthesize salicylic acid (SA), which is reported to greatly affect O3 sensitivity. However, the mechanism of SA biosynthesis under O3 exposure remains unclear. Plants synthesize SA either by a pathway involving phenylalanine as a substrat...

journal_title：Planta

authors： Ogawa D,Nakajima N,Tamaoki M,Aono M,Kubo A,Kamada H,Saji H

更新日期：2007-10-01 00:00:00

abstract：:Hydrogen sulphide is an essential electron donor in the photosynthesis of sulphur bacteria. In addition, it has been known to be an inhibitor of photosynthesis in green plants. More specifically, it is assumed that sulphide interacts with the oxygen-evolving system. If the view is accepted that there is a more or less...

journal_title：Planta

authors： Knobloch K

更新日期：1966-03-01 00:00:00

abstract：:1. Factors were investigated which control the formation of photosynthetic enzymes during germination. Enzymes of the reductive pentose phosphate cycle like carboxydismutase (EC 4.1.1.39) and NADP-dependent glyceraldehydephosphate dehydrogenase (EC 1.2.1.9.) are formed in the primary leaves of dark-grown rye seedlings...

journal_title：Planta

authors： Feierabend J

更新日期：1968-03-01 00:00:00

abstract：:Palatinose (isomaltulose, 6-O-alpha-D-glucopyranosyl-D-fructose) is a structural isomer of sucrose which is produced from sucrose by some bacterial strains as a reserve material during periods of low carbon availability. The ability to synthesise palatinose is not only advantageous for the bacteria but is also of indu...

journal_title：Planta

authors： Börnke F,Hajirezaei M,Heineke D,Melzer M,Herbers K,Sonnewald U

更新日期：2002-01-01 00:00:00

abstract：MAIN CONCLUSION:This review highlights 50 years of research on the fungal diterpene fusicoccin, during which the molecule went from a tool in plant physiology research to a pharmacological agent in treating animal diseases. Fusicoccin is a phytotoxic glycosylated diterpene produced by the fungus Phomopsis amygdali, a p...

journal_title：Planta

authors： Camoni L,Visconti S,Aducci P,Marra M

更新日期：2019-01-01 00:00:00

abstract：:Dark-grown radish seedlings (Raphanus sativus L.) were sprayed with 10(-3) mol·l(-1) 2,4-dichlorophenoxyacetic acid and then were exposed to a 14:10 light: dark cycle. Cotyledon samples from these seedlings and unsprayed controls were taken for electron microscopy, chlorophyll determinations, and photosynthetic rate m...

journal_title：Planta

authors： Nadakavukaren MJ,McCracken DA

更新日期：1977-01-01 00:00:00

abstract：:The nuclei of active, sieve cell-associated Strasburger cells in the secondary phloem of Pinus nigra var. austriaca (Hoess) Badoux have been studied for their structure and DNA and RNA content. No difference in size compared to those of ordinary ray cells was found. The nuclear surface is often increased by an ameboid...

journal_title：Planta

authors： Sauter JJ,Ulrich H

更新日期：1977-01-01 00:00:00

abstract：:Active Cl(-) uptake by Chlorella fusca was examined by using (36)Cl as a label. Under light/air conditions chloride influx from a 2.4·10(-5) M solution was 4.0±0.04 nmol m(-2)s(-1). After 70±10 min a stationary 380±40 fold accumulation was reached. In dark/air and dark/argon influx and accumulation were reduced to 25±...

journal_title：Planta

authors： Doblinger R,Tromballa HW

更新日期：1982-11-01 00:00:00

abstract：MAIN CONCLUSION:The review provides information on the mechanisms underlying the development of spontaneous and pathogen-induced tumors in higher plants. The activation of meristem-specific regulators in plant tumors of various origins suggests the meristem-like nature of abnormal plant hyperplasia. Plant tumor formati...

journal_title：Planta

authors： Dodueva IE,Lebedeva MA,Kuznetsova KA,Gancheva MS,Paponova SS,Lutova LL

更新日期：2020-03-18 00:00:00

abstract：:Plants of Pinguicula lusitanica were grown in individual Erlenmeyer flasks on an inorganic agar medium containing no nitrogen or phosphorus. After 8 weeks of culture, twenty of the plants were fed Pinus pollen 4 times over a period of 5 weeks.As a result of the feeding, the number of leaves as well as the diameters of...

journal_title：Planta

authors： Harder R,Zemlin I

更新日期：1967-03-01 00:00:00

abstract：:We used a newly synthesized allotetraploid between C. sativus (2n = 2x = 14, n gametic chromosome number, x haploid chromosome number) and C. hystrix (2n = 2x = 24) to study the genomic events in its early generations. Results from cytological characterization of the F(1) and the allotetraploid progenies showed that t...

journal_title：Planta

authors： Chen L,Lou Q,Zhuang Y,Chen J,Zhang X,Wolukau JN

更新日期：2007-02-01 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：:Water deficits consistently promote higher concentrations of anthocyanins in red winegrapes and their wines. However, controversy remains as to whether there is any direct effect on berry metabolism other than inhibition of growth. Early (ED) and late (LD) season water deficits, applied before or after the onset of ri...

journal_title：Planta

authors： Castellarin SD,Matthews MA,Di Gaspero G,Gambetta GA

更新日期：2007-12-01 00:00:00

abstract：:In Arabidopsis thaliana (L.) Heynh., AtPhr2 and AtNsr1 encode proteins with MYB-like and alpha-helical domains. They resemble CrPsr1, a nuclear-localized MYB protein that is critical for acclimation to phosphorous (P) starvation in the alga Chlamydomonas reinhardtii. Reverse transcription-polymerase chain reaction ana...

journal_title：Planta

authors： Todd CD,Zeng P,Huete AM,Hoyos ME,Polacco JC

更新日期：2004-10-01 00:00:00

abstract：:Oxygen and CO2 exchange were measured concurrently in leaves of shade-grownAlocasia macrorrhiza (L.) G. Don during lightflecks consisting of short periods of high photon flux density (PFD) superimposed on a low-PFD background illumination. Oxygen exchange was measured with a zirconium-oxide ceramic cell in an atmosphe...

journal_title：Planta

authors： Kirschbaum MU,Pearcy RW

更新日期：1988-12-01 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：:We have investigated events which take place in the developing barley (Hordeum vulgare L.) embryo during its acquisition of desiccation tolerance. Excised embryos are capable of precocious germination as early as 8 d after pollination (DAP). At this age, however, they are not capable of resisting a desiccation treatme...

journal_title：Planta

authors： Bartels D,Singh M,Salamini F

更新日期：1988-10-01 00:00:00

abstract：:The cytokinins present in the spring sap of Acer pseudoplatanus L. were investigated. Ribosyl-trans-zeatin, trans-zeatin and dihydrozeatin were isolated and identified by combined gas chromatography-mass spectrometry (GC-MS). A number of other cytokinin active fractions were observed. One of these was less polar than ...

journal_title：Planta

authors： Purse JG,Horgan R,Horgan JM,Wareing PF

更新日期：1976-01-01 00:00:00

abstract：:Preparations of rapidly labelled RNA are usually heavily contaminated by rapidly labelled low molecular weight components. This contaminating fraction mainly contains nucleoside triphosphates, as previously reported, but also nucleoside tetra, penta and hexaphosphates. These highly phosphorylated nucleosides are, acco...

journal_title：Planta

authors： Aspart-Pascot L,Delseny M,Guitton Y

更新日期：1976-01-01 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：:Each plant genome contains a repertoire of β-mannanase genes belonging to glycoside hydrolase family 5 subfamily 7 (GH5_7), putatively involved in the degradation and modification of various plant mannan polysaccharides, but very few have been characterized at the gene product level. The current study presents recombi...

journal_title：Planta

authors： Wang Y,Vilaplana F,Brumer H,Aspeborg H

更新日期：2014-03-01 00:00:00

abstract：:The properties of the water-soluble metabolites of [(3)H]gibberellin A1 ([(3)H]GA1) from lettuce (Lactuca sativa L.) hypocotyls were compared with those of authentic samples of gibberellin (GA) glucosyl esters and ethers. Partitioning against l-butanol at high and low pH was not an efficient method of differentiating ...

journal_title：Planta

authors： Stoddart JL,Jones RL

更新日期：1977-01-01 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：:This work was done to determine whether the inorganic-pyrophosphate (PPi) content of plant tissues changes when the rate of glycolysis is altered. Treatment of excised clubs of the spadix of Arum maculatum L. and root apices of Pisum sativum L. with 2,4-dinitrophenol increased the rates of respiration but had no detec...

journal_title：Planta

authors： Dancer JE,Rees TA

更新日期：1989-06-01 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：: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：:To determine the sites of synthesis of chloroplast-envelope proteins, we have analysed several enzyme and translocator functions ascribed to the envelope membranes, and investigated the envelope polypeptide composition of plastids isolated from 70S ribosome-deficient leaves of rye (Secale cereale L.) generated by grow...

journal_title：Planta

authors： Höinghaus R,Feierabend J

更新日期：1985-12-01 00:00:00

abstract：:The alga Chlamydomonas reinhardtii contains cytoplasmic vacuoles that are often filled with a dense granule that is released from the cell by exocytosis. Purified granules contained polyphosphate, complexed with calcium and magnesium, as the predominant inorganic components. Antiserum was raised against the major 70-k...

journal_title：Planta

authors： Komine Y,Eggink LL,Park H,Hoober JK

更新日期：2000-05-01 00:00:00