Stable transformation of ferns using spores as targets: Pteris vittata and Ceratopteris thalictroides.

abstract：:Light-induced modifications in lipoxidase metabolism and chlorophyll formation in the cotyledon of squash (Cucurbita moscata) seedlings were determined. The enzyme activity decreased as light intensity increased, but chlorophyll continued to accumulate long after lipoxidase activity had virtually disappeared. Consider...

journal_title：Plant physiology

authors： Surrey K,Barr EM

更新日期：1966-05-01 00:00:00

abstract：:The presence of chloroplasts in guard cells from leaf epidermis, coleoptile, flowers, and albino portions of variegated leaves was established by incident fluorescence microscopy, thus confirming the notion that guard cell chloroplasts are remarkably conserved. Room temperature emission spectra from a few chloroplasts...

journal_title：Plant physiology

authors： Zeiger E,Armond P,Melis A

更新日期：1981-01-01 00:00:00

abstract：:The existence of sphingolipid- and sterol-enriched microdomains, known as lipid rafts, in the plasma membrane (PM) of eukaryotic cells is well documented. To obtain more insight into the lipid molecular species required for the formation of microdomains in plants, we have isolated detergent (Triton X-100)-resistant me...

journal_title：Plant physiology

authors： Laloi M,Perret AM,Chatre L,Melser S,Cantrel C,Vaultier MN,Zachowski A,Bathany K,Schmitter JM,Vallet M,Lessire R,Hartmann MA,Moreau P

更新日期：2007-01-01 00:00:00

abstract：:To better understand the role of active oxygen species (AOS) in acquired resistance to increased levels of ultraviolet (UV)-B irradiation in plants, we isolated an Arabidopsis mutant that is resistant to methyl viologen, and its sensitivity to UV-B was investigated. A complementation test revealed that the obtained mu...

journal_title：Plant physiology

authors： Fujibe T,Saji H,Arakawa K,Yabe N,Takeuchi Y,Yamamoto KT

更新日期：2004-01-01 00:00:00

abstract：:Rhythmic light-sensitive movements of the leaflets of Samanea saman depend upon ion fluxes across the plasma membrane of extensor and flexor cells in opposing regions of the leaf-movement organ (pulvinus). We have isolated protoplasts from the extensor and flexor regions of S. saman pulvini and have examined the effec...

journal_title：Plant physiology

authors： Kim HY,Coté GG,Crain RC

更新日期：1992-08-01 00:00:00

abstract：:Oleuropein, a terpene-derived glycosylated secoiridoid biosynthesized exclusively by members of the Oleaceae family, is involved in a two-component defense system comprising a β-glucosidase that activates oleuropein into a toxic glutaraldehyde-like structure. Oleuropein and its deglycosylated derivatives have high pha...

journal_title：Plant physiology

authors： Koudounas K,Thomopoulou M,Michaelidis C,Zevgiti E,Papakostas G,Tserou P,Daras G,Hatzopoulos P

更新日期：2017-07-01 00:00:00

abstract：:Allantoinase catalyzes the hydrolysis of allantoin to allantoic acid, a reaction important in both biogenesis and degradation of ureides. Ureide production in cotyledons of germinating soybean (Glycine max L.) seeds has not been studied extensively but may be important in mobilizing nitrogen reserves. Allantoinase was...

journal_title：Plant physiology

authors： Webb MA,Lindell JS

更新日期：1993-12-01 00:00:00

abstract：:Phycoerythrin, a photosynthetic accessory pigment, was isolated from Porphyridium cruentum and examined by electron microscopy and disc gel electrophoresis. The absorption monomer, with maxima at 563, 545, and a shoulder at 500 nm, has a molecular weight of about 300,000. With phosphotungstic acid staining it appears ...

journal_title：Plant physiology

authors： Gantt E

更新日期：1969-11-01 00:00:00

abstract：:Ricin is a heterodimeric toxin that accumulates in the storage vacuoles of castor bean (Ricinus communis) endosperm. Proricin is synthesized as a single polypeptide precursor comprising the catalytic A chain and the Gal-binding B chain joined by a 12-amino acid linker propeptide. Upon arrival in the vacuole, the linke...

journal_title：Plant physiology

authors： Frigerio L,Jolliffe NA,Di Cola A,Felipe DH,Paris N,Neuhaus JM,Lord JM,Ceriotti A,Roberts LM

更新日期：2001-05-01 00:00:00

abstract：:Plasmalemma redox activity in the diatom Thalassiosira is competitively inhibited by antiserum prepared against algal nitrate reductase (NR), and fluorescent labeling experiments reveal the binding of NR antiserum to the cell surface. Furthermore, the external electron acceptor Cu bathophenanthroline disulfonate cause...

journal_title：Plant physiology

authors： Jones GJ,Morel FM

更新日期：1988-05-01 00:00:00

abstract：:Low inorganic phosphate (Pi) availability triggers an array of spatiotemporal adaptive responses in Arabidopsis (Arabidopsis thaliana). There are several reports on the effects of Pi deprivation on the root system that have been attributed to different growth conditions and/or inherent genetic variability. Here we sho...

journal_title：Plant physiology

authors： Jain A,Poling MD,Smith AP,Nagarajan VK,Lahner B,Meagher RB,Raghothama KG

更新日期：2009-06-01 00:00:00

abstract：:We screened a total of 1365 pea (Pisum sativum) lines for response to inoculation with Agrobacterium tumefaciens, strain B6, and characterized resistance in one cultivar, Sweet Snap. Sweet Snap seedlings were highly resistant to tumorigenesis under most conditions. Resistance was overcome at inoculum concentrations of...

journal_title：Plant physiology

authors： Robbs SL,Hawes MC,Lin HJ,Pueppke SG,Smith LY

更新日期：1991-01-01 00:00:00

abstract：:Fructose-2,6-bisphosphate (Fru-2,6-bisP) was evaluated as a potential marker for the dormancy-breaking phase or the germination phase before pericarp splitting in red rice (Oryza sativa). During 4 h of imbibition at 30[deg]C, Fru-2,6-bisP of dehulled dormant and nondormant seeds increased to 0.26 and 0.38 pmol embryo-...

journal_title：Plant physiology

authors： Footitt S,Cohn MA

更新日期：1995-04-01 00:00:00

abstract：:The light-harvesting antenna of higher plant photosystem II (LHCII) has the intrinsic capacity to dissipate excess light energy as heat in a process termed nonphotochemical quenching (NPQ). Recent studies suggest that zeaxanthin and lutein both contribute to the rapidly relaxing component of NPQ, qE, possibly acting i...

journal_title：Plant physiology

authors： Johnson MP,Pérez-Bueno ML,Zia A,Horton P,Ruban AV

更新日期：2009-02-01 00:00:00

abstract：:Ethylene supplied with indoleacetic acid at 0.1 and 1 mum inhibited elongation and enhanced swelling in epicotyls of decapitated and derooted pea seedlings (Pisum sativum L., var. Alaska). These growth responses were correlated with the development of cell walls rich in weak acid-extractable materials and pectic uroni...

journal_title：Plant physiology

authors： Mondal MH,Nance JF

更新日期：1975-03-01 00:00:00

abstract：:[U-(14)C]glycine uptake into barley (Hordeum vulgare cv Hasso) vacuoles was investigated. Glycine (2 millimolar) transport was stimulated two- to fourfold by NaATP. Stimulation was saturable with respect to ATP (1 millimolar) and linear up to 20 millimolar glycine. Stimulation by NaATP was suppressed by Mg(2+) in equi...

journal_title：Plant physiology

authors： Goerlach J,Willms-Hoff I

更新日期：1992-05-01 00:00:00

abstract：:The soluble bean leaf auxin-binding protein (ABP) has a high affinity for a range of auxins including indole-3-acetic acid (IAA), alpha-napthaleneacetic acid, phenylacetic acid, 2,4,5-trichlorophenoxyacetic acid, and structurally related auxins. A large number of nonauxin compounds that are nevertheless structurally r...

journal_title：Plant physiology

authors： Wardrop AJ,Polya GM

更新日期：1980-07-01 00:00:00

abstract：:The decarboxylation of endogenous free glutamic acid by Chlorella pyrenoidosa, Marburg strain, was induced by a variety of metabolic poisons, by anaerobic conditions, and by freezing and thawing the cells. The rate of decarboxylation was proportional to the concentration of inhibitor present. Possible mechanisms which...

journal_title：Plant physiology

authors： Lane TR,Stiller M

更新日期：1970-05-01 00:00:00

abstract：:Callus cultures of peanut (Arachis hypogaea L. cv Valencia Tennessee Red) cotyledons grown on Linsmaier and Skoog medium containing normal levels of auxin and cytokinin do not synthesize either 4-methyl-eneglutamic acid or 4-methyleneglutamine, which nonprotein amino acids are normally found in significant amounts in ...

journal_title：Plant physiology

authors： Winter HC,Dekker EE

更新日期：1984-09-01 00:00:00

abstract：:We have studied the effects of ATP and ADP on the oxidation of malate by coupled and uncoupled mitochondria prepared from etiolated hypocotyls of mung bean (Vigna radiata L.).In coupled mitochondria, ATP (1 millimolar) increased pyruvate production and decreased oxaloacetate formation without altering the rate of oxyg...

journal_title：Plant physiology

authors： Tobin AK,Givan CV

更新日期：1984-09-01 00:00:00

abstract：:Sucrose (Suc)-phosphate synthase (SPS) plays a crucial role in the synthesis of Suc in photosynthetic and nonphotosynthetic tissues. Several isoforms of SPS exist in dicotyledonous plants that can be grouped into the different families A, B, and C. To explore whether functional differences between the SPS gene familie...

journal_title：Plant physiology

authors： Chen S,Hajirezaei M,Börnke F

更新日期：2005-11-01 00:00:00

abstract：:It has long been known that leaf senescence can be induced in many plant species by detaching leaves and placing them in the darkness. It recently has been shown that entire Arabidopsis plants placed in the darkness are not induced to senesce, as judged by visible yellowing and certain molecular markers. Here, we show...

journal_title：Plant physiology

authors： Weaver LM,Amasino RM

更新日期：2001-11-01 00:00:00

abstract：:Treatment of tobacco (Nicotiana tabacum) cell-suspension cultures with cryptogein, an elicitin protein from Phytophthora cryptogea, resulted in the release of a factor(s) that diffused through a 1000-D cutoff dialysis membrane and was capable of inducing sesquiterpene cyclase enzyme activity (a key phytoalexin biosynt...

journal_title：Plant physiology

authors： Chappell J,Levine A,Tenhaken R,Lusso M,Lamb C

更新日期：1997-02-01 00:00:00

abstract：:The conversion of l-glutamate to delta-aminolevulinate, in preparations of cucumber etiochloroplasts incubated in vitro, was inhibited by protoheme IX and Mg-protoporphyrin IX. Mg-protoporphyrin IX was destroyed in the presence of air and plastids; this breakdown was accelerated by S-adenosyl methionine. Mg-protoporph...

journal_title：Plant physiology

authors： Chereskin BM,Castelfranco PA

更新日期：1982-01-01 00:00:00

abstract：:The distribution of polysomes in the cells of the endosperm of very young (48 hours of germination) seedlings of castor bean (Ricinus communis var. Hale) has been examined. Seedlings exposed to 100 micromolar gibberellin A(3) for periods up to 24 hours showed increased numbers of polysomes associated with endomembrane...

journal_title：Plant physiology

authors： González E

更新日期：1980-02-01 00:00:00

abstract：:Plant development is genetically determined but it is also plastic, a fundamental duality that can be investigated provided large number of measurements can be made in various conditions. Plasticity of gravitropism in wild-type Arabidopsis (Arabidopsis thaliana) seedling roots was investigated using automated image ac...

journal_title：Plant physiology

authors： Brooks TL,Miller ND,Spalding EP

更新日期：2010-01-01 00:00:00

abstract：:This study examines the capacity of intact spinach (Spinacia oleracea L.) chloroplasts to fix (14)CO(2) when supplied with Benson-Calvin cycle intermediates in the presence of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU). Under these conditions, substantial (14)CO(2) fixation occurred in the light but not in the dar...

journal_title：Plant physiology

authors： Woo KC,Gerbaud A,Furbank RT

更新日期：1983-06-01 00:00:00

abstract：:The transcriptional response of soybean (Glycine max) seedlings during heat shock (HS) was investigated under two different treatment regimes. During prolonged heat treatment at 40 degrees C, active transcription of the HS genes (as measured by "runoff" transcription assays) occurs only during the first few hours. Non...

journal_title：Plant physiology

authors： Kimpel JA,Nagao RT,Goekjian V,Key JL

更新日期：1990-11-01 00:00:00

abstract：:The purpose of this study was to investigate effects of N nutrition and water stress on stomatal behavior and CO(2) exchange rate in wheat (Triticum aestivum L. cv Olaf). Wheat plants were grown hydroponically with high (100 milligrams per liter) and low (10 milligrams per liter) N. When plants were 38 days old, a 24-...

journal_title：Plant physiology

authors： Morgan JA

更新日期：1984-09-01 00:00:00

abstract：:The emergence of sterile individuals in the hybrid backcross progeny of wild and cultivated rice limits the use of wild rice alleles for improving cultivated rice, but the molecular mechanisms underlying this sterility remain unclear. Here, we identified the semisterile introgression line YIL42, derived from a cross b...

journal_title：Plant physiology

authors： Hou J,Cao C,Ruan Y,Deng Y,Liu Y,Zhang K,Tan L,Zhu Z,Cai H,Liu F,Sun H,Gu P,Sun C,Fu Y

更新日期：2019-05-01 00:00:00