[Studies on the lipoquinone and pigment content and the structure of plastids from Neottia nidus-avis (L.) L. C. Rich].

abstract：:Endosperm was isolated from Arabica Caturra coffee beans 11, 15, 21, 26, 31 and 37 weeks after flowering, and the chemical composition and relative solubility of its component polysaccharides determined at each growth stage. Chemical analysis of the total mannan content of the cell wall material was done after solubil...

journal_title：Planta

authors： Redgwell RJ,Curti D,Rogers J,Nicolas P,Fischer M

更新日期：2003-06-01 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：: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：:An acidic (Fs) and a nearly neutral (Fn) protein fraction were extracted from the chromatin of calf thymus and pea seedlings. Both fractions are able to combine with protein-free DNA to form a complex, which, however, has a lower thermal stability than a DNA-histone complex. Fs and Fn inhibit root initiation in a simi...

journal_title：Planta

authors： Fellenberg G

更新日期：1969-06-01 00:00:00

abstract：:Gene-for-gene resistance is a well-known type of plant disease resistance. It is governed by plant resistance (R) genes and their matching pathogen avirulence (Avr) genes. This resistance is characterized by a hypersensitive response (HR) resulting from the interaction between products of a complementary R and Avr gen...

journal_title：Planta

authors： Wang C,Cai X,Zheng Z

更新日期：2005-12-01 00:00:00

abstract：MAIN CONCLUSION:Jasmonic acid positively modulates vitamin E accumulation, but the latter can also partly influence the capacity to accumulate the jasmonic acid precursor, 12-oxo-phytodienoic acid, in white-leaved rockrose (Cistus albidus L.) plants growing in their natural habitat. This study suggests a bidirectional ...

journal_title：Planta

authors： Casadesús A,Bouchikh R,Pérez-Llorca M,Munné-Bosch S

更新日期：2021-01-18 00:00:00

abstract：:The actin cytoskeleton is a key player in defense responses during early stages of infection by fungal pathogens. To investigate molecular mechanisms of actin-related defense responses, a cultured tobacco ( Nicotiana tabacum L.) BY-2 cell system was devised. When conidia were directly deposited on BY-2 cells, neither ...

journal_title：Planta

authors： Kobayashi I,Hakuno H

更新日期：2003-06-01 00:00:00

abstract：:Influx and efflux of anions in leaves of Elodea canadensis were investigated. A major component of phosphate efflux was found to be a function of the external phosphate concentration in accord with saturation kinetics, i.e. it was found to be proportional to phosphate influx. This suggests that the transport structure...

journal_title：Planta

authors： Weigl J

更新日期：1967-12-01 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：:Light-grown dwarf peas were disbudded except for a single lateral bud, then transferred to darkness at 24° C. During the dark period the seedlings were irradiated daily for 5 or 7 min with R or FR. The buds exposed to R developed into shoots faster than those irradiated with FR. The R effect was FR reversible, and the...

journal_title：Planta

authors： Khudairi AK,Johnnykutty AT,Agarwal S

更新日期：1971-06-01 00:00:00

abstract：MAIN CONCLUSION:Plant tissue culture has been used for conservation, micropropagation, and in planta overproduction of some pharma molecules of medicinal plants. New biotechnology-based breeding methods such as targeted genome editing methods are able to create custom-designed medicinal plants with different secondary ...

journal_title：Planta

authors： Niazian M

更新日期：2019-04-01 00:00:00

abstract：:Three-week-old protonemata of Funaria hygrometrica Hedw. cultivated in Petri dishes tolerate slow drying (24 h to complete dryness) but not rapid drying (1h to complete dryness). Slowly dried mosses show, on a dry-weight basis, a sixfold increase in abscisic-acid (ABA) contents during the drying process. Rehydrated, s...

journal_title：Planta

authors： Werner O,Ros Espín RM,Bopp M,Atzorn R

更新日期：1991-12-01 00:00:00

abstract：MAIN CONCLUSION:NO3- not only inhibited the reutilization of cell wall P via decreasing root cell wall pectin content and PME activity, but also hampered the P translocation from root to shoot. The rice cultivars 'Kasalath' (Kas) and 'Nipponbare' (Nip) were used to demonstrate that the nitrogen source NO3- inhibits int...

journal_title：Planta

authors： Zhu CQ,Zhu XF,Wang C,Dong XY,Shen RF

更新日期：2018-07-01 00:00:00

abstract：:The polarity of germinating single-celled spores of the fern Ceratopteris richardii Brogn. is influenced by gravity during a time period prior to the first cellular division designated a "polarity-determination window". After this window closes, control of polarity is seen in the downward (with respect to gravity) mig...

journal_title：Planta

authors： Edwards ES,Roux SJ

更新日期：1998-08-01 00:00:00

abstract：MAIN CONCLUSION:A coordinated regulation of different metabolic pathways was highlighted leading to the accumulation of important compounds that may contribute to the final quality of strawberry fruit. Strawberry fruit development and ripening involve complex physiological and biochemical changes, ranging from sugar ac...

journal_title：Planta

authors： Baldi P,Orsucci S,Moser M,Brilli M,Giongo L,Si-Ammour A

更新日期：2018-11-01 00:00:00

abstract：:A cDNA encoding UDP-glucose: formononetin 7- O-glucosyltransferase, designated UGT73F1, was cloned from yeast extract-treated Glycyrrhiza echinata L. cell-suspension cultures using probes from Scutellaria baicalensis UDP-glucose: flavonoid 7- O-glucosyltransferase. The open reading frame of the UGT73F1 cDNA encodes a ...

journal_title：Planta

authors： Nagashima S,Inagaki R,Kubo A,Hirotani M,Yoshikawa T

更新日期：2004-01-01 00:00:00

abstract：:Changes in membrane topography in the flagellate Poterioochromonas malhamensis, as a result of colchicine and osmotic-stress treatments, have been studied using freeze-fracturing and thin sectioning. Ridges, but not rows of intramembrane particles, in the PF-face which denote the position of underlying cortical microt...

journal_title：Planta

authors： Robinson DG,Quader H

更新日期：1980-02-01 00:00:00

abstract：:Tea seed is believed to be recalcitrant based on its sensitivity to chilling or drying stress. Reactive oxygen species (ROS) and alterations in cytosolic redox status have been implicated in intolerance to desiccation by recalcitrant seed, but there is little information available regarding how ROS are regulated in se...

journal_title：Planta

authors： Chen Q,Yang L,Ahmad P,Wan X,Hu X

更新日期：2011-03-01 00:00:00

abstract：:Compared with our knowledge of senescence in annuals and biennials, little is known about age-related changes in perennials. To get new insights into the mechanisms underlying aging in perennials, we measured oxidative stress markers in leaves and organelles, together with abscisic acid levels in leaves of 2- and 7-ye...

journal_title：Planta

authors： Munné-Bosch S,Lalueza P

更新日期：2007-03-01 00:00:00

abstract：:The plastid-(pt) DNA levels in the different tissues of potato (Solanum tuberosum L.), including tubers of differing ages, have been studied. The DNA could be detected as a single nucleoid in amyloplasts of cells from young potato tubers by fluorescence microscopy, following staining of glutaraldehyde-fixed tissue wit...

journal_title：Planta

authors： Scott NS,Tymms MJ,Possingham JV

更新日期：1984-01-01 00:00:00

abstract：:A critical evolutionary step during rice domestication was the elimination of seed shattering. Wild rice disperses seeds freely at maturity to guarantee the propagation, while cultivated rice retains seeds on the straws to make easy harvest and decrease the loss of production. The molecular basis for this key event du...

journal_title：Planta

authors： Lin Z,Griffith ME,Li X,Zhu Z,Tan L,Fu Y,Zhang W,Wang X,Xie D,Sun C

更新日期：2007-06-01 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 effects of the local anesthetic dibucaine on coupling between electron transport and ATP synthesis-hydrolysis by the coupling-factor complex (CF0CF1 ATPase) were investigated in thylakoid membranes from Spinacia oleracea L. cv. Monatol. Evidence is presented that inhibition of ATP synthesis was produced by a speci...

journal_title：Planta

authors： Laasch H,Schumann J,Günther G

更新日期：1991-03-01 00:00:00

abstract：:Calcium transport by purified endomembrane vesicles from roots of Pisum sativum L. was studied. Two types of ATP-dependent transport were demonstrated, protonophore-sensitive calcium/proton antiport and protonophore-insensitive transport. The former was predominantly located in the tonoplast, while the latter was asso...

journal_title：Planta

authors： Butcher RD,Evans DE

更新日期：1987-10-01 00:00:00

abstract：MAIN CONCLUSION:β-sitosterol influences amino acids, carbohydrates, organic acids, and other metabolite metabolism and homeostasis largely contributing to better tolerance to water stress in white clover. β-sitosterol (BS) could act as an important plant growth regulator when plants are subjected to harsh environmental...

journal_title：Planta

authors： Li Z,Cheng B,Yong B,Liu T,Peng Y,Zhang X,Ma X,Huang L,Liu W,Nie G

更新日期：2019-12-01 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：:Crude chromatin preparations from pea seedlings contain calcium-dependent deoxyribonuclease activity, at least part of which is endonucleolytic. During germination, there is a dramatic increase in chromatin-bound deoxyribonuclease activity in the embryonic axis immediately prior to the onset of DNA replication. Eviden...

journal_title：Planta

authors： Jenns SM,Bryant JA

更新日期：1978-01-01 00:00:00

abstract：:The role of purine and pyrimidine ribosides, nucleotides and substituted xanthines in the differentiation of chloronema filaments in suspension cultures of protonema of the moss Funaria hygrometrica Hedw. has been examined. Cyclic adenosine-3',5'-monophosphate (cAMP) and mono-and dibutyryl cAMP evoked the maximum resp...

journal_title：Planta

authors： Handa AK,Johri MM

更新日期：1979-01-01 00:00:00

abstract：:The nucleolar activity of Hyacinthus orientalis L. embryo sac cells was investigated. The distributions of nascent pre-rRNA (ITS1), 26S rRNA and of the 5S rRNA and U3 snoRNA were determined using fluorescence in situ hybridization (FISH). Our results indicated the different rRNA metabolism of the H. orientalis female ...

journal_title：Planta

authors： Niedojadło K,Pięciński S,Smoliński DJ,Bednarska-Kozakiewicz E

更新日期：2012-07-01 00:00:00

abstract：:The dye FM1-43 was used alone or in combination with measurements of the membrane capacitance (Cm) to monitor membrane changes in protoplasts from Vicia faba L. guard cells. Confocal images of protoplasts incubated with FM1-43 (10 microM) at constant ambient osmotic pressure (pi omicron) revealed in confocal images a ...

journal_title：Planta

authors： Kubitscheck U,Homann U,Thiel G

更新日期：2000-02-01 00:00:00