Effects of temperature, water potential, and light on germination responses of redroot pigweed seeds to ethylene.

abstract：:The pathway of phloem unloading in sink barley (Hordeum vulgare) leaves was studied using a combination of electron microscopy, carboxyfluorescein transport, and systemic movement of barley stripe mosaic virus expressing the green fluorescent protein. Studies of plasmodesmatal frequencies between the phloem and mesoph...

journal_title：Plant physiology

authors： Haupt S,Duncan GH,Holzberg S,Oparka KJ

更新日期：2001-01-01 00:00:00

abstract：:Photosynthetically derived sugar provides carbon skeletons for lipid biosynthesis. We used mutants of Arabidopsis (Arabidopsis thaliana) and the expression of oleogenic factors to investigate relationships among sugar availability, lipid synthesis, and the accumulation of triacylglycerol (TAG) in leaf tissue. The adg1...

journal_title：Plant physiology

authors： Zhai Z,Liu H,Xu C,Shanklin J

更新日期：2017-10-01 00:00:00

abstract：:The possibility of HCO(3) (-) transport into isolated leaf mesophyll cells of Asparagus sprengeri Regel has been investigated. Measurement of the inorganic carbon pool in these cells over an external pH range 6.2 to 8.0, using the silicone-fluid filtration technique, indicated that the pool was larger than predicted b...

journal_title：Plant physiology

authors： Espie GS,Colman B

更新日期：1982-09-01 00:00:00

abstract：:Leaf elongation rate, water potential, and osmotic potential were measured in the fifth leaf of maize (Zea mays L.) plants growing in soil from which water was withheld for varying times. Elongation occurred in the basal region, which was enclosed by other leaf sheaths. When water was withheld from the soil, leaf elon...

journal_title：Plant physiology

authors： Michelena VA,Boyer JS

更新日期：1982-05-01 00:00:00

abstract：:ATP:citrate lyase (ACL) catalyzes the conversion of citrate to acetyl-coenzyme A (CoA) and oxaloacetate and is a key enzyme for lipid accumulation in mammals and oleaginous yeasts and fungi. To investigate whether heterologous ACL genes can be targeted and imported into the plastids of plants, a gene encoding a fusion...

journal_title：Plant physiology

authors： Rangasamy D,Ratledge C

更新日期：2000-04-01 00:00:00

abstract：:The photosynthetic potential of leaves and chloroembryos of Cyamopsis tetragonoloba (L.) Taub as measured by (14)C-bicarbonate fixation, Hill activity, and in vivo fluorescence transients is compared. On a chlorophyll basis, dark fixation of NaH(14)CO(3) in chloroembryos was 1.5 times higher than that of the leaf, whe...

journal_title：Plant physiology

authors： Kaladharan P,Vivekanandan M

更新日期：1990-02-01 00:00:00

abstract：:Fifty-four strains of Bradyrhizobium sp. (Lupinus) from worldwide collections were screened by a colony hybridization method for the presence of DNA sequences homologous to the structural genes of the Bradyrhizobium japonicum hydrogenase. Twelve strains exhibited strong colony hybridization signals, and subsequent Sou...

journal_title：Plant physiology

authors： Murillo J,Villa A,Chamber M,Ruiz-Argüeso T

更新日期：1989-01-01 00:00:00

abstract：:The prospect that Ca(2+) promotes senescence by activating calmodulin has been examined using cut pea (Pisum sativum co Alaska) foliage as a model system. Senescence was induced by severing 17-day-old plants from their roots and maintaining them in aqueous test solutions in the dark for an additional 4 days. Treatment...

journal_title：Plant physiology

authors： Leshem YY,Sridhara S,Thompson JE

更新日期：1984-06-01 00:00:00

abstract：:The SET domain-containing protein, pTAC14, was previously identified as a component of the transcriptionally active chromosome (TAC) complexes. Here, we investigated the function of pTAC14 in the regulation of plastid-encoded bacterial-type RNA polymerase (PEP) activity and chloroplast development. The knockout of pTA...

journal_title：Plant physiology

authors： Gao ZP,Yu QB,Zhao TT,Ma Q,Chen GX,Yang ZN

更新日期：2011-12-01 00:00:00

abstract：:Exudate was collected periodically from the root systems of detopped tobacco plants. Volume, cations, and (42)K or (86)Rb transfer were measured. According to measurements of K by (42)K and by the flame photometer, when concentrations of KCl and KNO(3) were lower than 10(-2)m, the K in the exudate came mostly from a p...

journal_title：Plant physiology

authors： Wallace A,Ashcroft RT,Lunt OR

更新日期：1967-02-01 00:00:00

abstract：:Mitochondria from cotyledons of Vigna sesquipedalis (L.) Fruwirth (starchy seed) showed no NAD-isocitric dehydrogenase (NAD-IDH) activity by the methods which have been known to be useful for the detection of NAD-IDH in mitochondria of plants including castor bean and alaska pea. When the Vigna cotyledon mitochondria ...

journal_title：Plant physiology

authors： Yamamoto Y

更新日期：1969-02-01 00:00:00

abstract：:Free protoplasts were prepared from the living bark tissue of the trunk of summer and winter black locust trees by enzymic digestion of thin slices of the tissue for 3 hours in a medium containing 2% Onozuka cellulase, 2% Rhozyme pectinase, and 2% Driselase in mannitol solutions using 0.4 molar mannitol for summer tis...

journal_title：Plant physiology

authors： Siminovitch D

更新日期：1979-04-01 00:00:00

abstract：:A phytostat to mass culture higher plant cells in liquid medium is described. This apparatus allowed the culture in batch, turbidostat and chemostat of 20 liters of cells. Automatic control of cell suspension growth was based on culture turbidity. Changes with time of certain cell characteristics, particularly cell re...

journal_title：Plant physiology

authors： Bligny R

更新日期：1977-03-01 00:00:00

abstract：:During adaptation of barley (Hordeum vulgare L.) seedlings to extremely high concentrations of sodium chloride in the root space, the content of galactolipids of chloroplast membranes decreased considerably. Alterations in membrane lipids were due to the high concentration of ions rather than to the increase in the wa...

journal_title：Plant physiology

authors： Müller M,Santarius KA

更新日期：1978-09-01 00:00:00

abstract：:The response of cortical microtubules to low temperature and freezing was assessed for root tips of cold-acclimated and non-acclimated winter rye (Secale cereale L. cv Puma) seedlings using indirect immunofluorescence microscopy with antitubulin antibodies. Roots cooled to 0 or -3 degrees C were fixed for immunofluore...

journal_title：Plant physiology

authors： Kerr GP,Carter JV

更新日期：1990-05-01 00:00:00

abstract：:Suspension-cultured cells of sycamore (Acer pseudoplatanus L.) which were immersed in liquid nitrogen after prefreezing to the temperatures from -30 to -50 C in the presence of dimethylsulfoxide and glucose as cryoprotective additive could proliferate vigorously when rewarmed rapidly in water at 40 C. For maintaining ...

journal_title：Plant physiology

authors： Sugawara Y,Sakai A

更新日期：1974-11-01 00:00:00

abstract：:Cysteine transport by tobacco cells (Nicotiana tabacum L. var. Xanthi) cultured on liquid B-5 medium was examined.Transport was linear with time or amount of tissue and had a pH optimum of 4.5. Cysteine transport over a wide concentration range was biphasic. The isotherm, for descriptive convenience, was divided into ...

journal_title：Plant physiology

authors： Harrington HM,Smith IK

更新日期：1977-12-01 00:00:00

abstract：:Organisms exhibit a diverse set of responses when exposed to low-phosphate conditions. Some of these responses are specific for phosphorus limitation, including responses that enable cells to efficiently scavenge phosphate from internal and external stores via the production of high-affinity phosphate transporters and...

journal_title：Plant physiology

authors： Chang CW,Moseley JL,Wykoff D,Grossman AR

更新日期：2005-05-01 00:00:00

abstract：:To dissect the expression of the psbB gene cluster of the Chlamydomonas reinhardtii chloroplast genome and to assess the role of the photosystem II H-phosphoprotein (PSII-H) in the biogenesis and/or stabilization of PSII, an aadA gene cassette conferring spectinomycin resistance was employed for mutagenesis. Disruptio...

journal_title：Plant physiology

authors： Summer EJ,Schmid VH,Bruns BU,Schmidt GW

更新日期：1997-04-01 00:00:00

abstract：:Q(10) values for (13)NO(3) (-) influx were determined in ;uninduced' (NO(3) (-)-starved) and ;induced' (NO(3) (-)-pretreated) roots of barley (Hordeum vulgare L.) plants at various concentrations of external NO(3) (-) ([NO(3) (-)](0)). At 0.02 mole per cubic meter [NO(3) (-)](0), Q(10) values for influx were from 3 to...

journal_title：Plant physiology

authors： Glass AD,Siddiqi MY,Ruth TJ,Rufty TW

更新日期：1990-08-01 00:00:00

abstract：:Under stress conditions such as high light intensity or nutrient starvation, cells of the unicellular alga Dunaliella bardawil overproduce beta-carotene, which is accumulated in the plastids in newly formed triacylglycerol droplets. We report here that the formation of these sequestering structures and beta-carotene a...

journal_title：Plant physiology

authors： Rabbani S,Beyer P,Lintig J,Hugueney P,Kleinig H

更新日期：1998-04-01 00:00:00

abstract：:Cauliflower mosaic virus (CaMV) replicated in protoplasts and in inoculated leaves of the non-host, cotton (Gossypium hirsutum, L.). Protoplasts prepared from suspension-cultured cotton cells were infected by incubation with liposome-encapsulated CaMV virions. During a 1-week culture period the amount of CaMV nucleic ...

journal_title：Plant physiology

authors： Hussain MM,Melcher U,Whittle T,Williams A,Brannan CM,Mitchell ED

更新日期：1987-03-01 00:00:00

abstract：:A specific polysome immunoadsorption procedure, employing soluble rabbit anti-NADP-GDH IgG and sheep anti-rabbit IgG covalently-linked to an insoluble cellulose matrix, was used to immunoselect polysomes translating mRNA for a chloroplastic ammonium-inducible NADP-GDH in fully induced cells of Chlorella sorokiniana. T...

journal_title：Plant physiology

authors： Bascomb NF,Turner KJ,Schmidt RR

更新日期：1986-06-01 00:00:00

abstract：:Endogenous factors which determine the photosynthetic capacity of the leaf were studied in the fully expanded, primary leaves of young seedings of bean (cv. Bulgarian). Following removal of the shoot above the primary leaf node and excision of all axillary buds, the primary leaves increased in area and thickness, in c...

journal_title：Plant physiology

authors： Carmi A,Koller D

更新日期：1979-08-01 00:00:00

abstract：:We conducted a comprehensive metabolic phenotyping of potato (Solanum tuberosum L. cv Desiree) tuber tissue that had been modified either by transgenesis or exposure to different environmental conditions using a recently developed gas chromatography-mass spectrometry profiling protocol. Applying this technique, we wer...

journal_title：Plant physiology

authors： Roessner U,Willmitzer L,Fernie AR

更新日期：2001-11-01 00:00:00

abstract：:Zygotes represent an important stage in the sexual cycle of the unicellular green alga Chlamydomonas reinhardtii. To study zygote germination at a molecular level, a protocol was elaborated for the generation of zygotes in large quantities and a method was developed for the extraction from zygotes of RNA that could be...

journal_title：Plant physiology

authors： Wegener D,Treier U,Beck CF

更新日期：1989-06-01 00:00:00

abstract：:Small proteins have long been overlooked due to their poor annotation and the experimental challenges they pose. However, in recent years, their role in various processes has started to emerge, opening new research avenues. Here, we present the isolation and characterization of two allelic mutants, twisted seed1-1 (tw...

journal_title：Plant physiology

authors： Fiume E,Guyon V,Remoué C,Magnani E,Miquel M,Grain D,Lepiniec L

更新日期：2016-11-01 00:00:00

abstract：:The free amino acid and ammonia pools of Azolla caroliniana were analyzed by quantitative column chromatography on columns capable of separating all of the nitrogenous constituents normally found in physiological fluids. Comparisons were made of plants containing symbiotic algae and grown on nitrogen-free media, plant...

journal_title：Plant physiology

authors： Newton JW,Cavins JF

更新日期：1976-12-01 00:00:00

abstract：:Enzyme assays on organelles isolated from the endosperm of germinating castor bean (Ricinus communis) by sucrose density gradient centrifugation showed that fatty acid synthesis from [(14)C]malonyl-CoA was localized exclusively in the plastids. The optimum pH was 7.7 and the products was mainly free palmitic and oleic...

journal_title：Plant physiology

authors： Vick B,Beevers H

更新日期：1978-08-01 00:00:00

abstract：:Intact spinach (Spinacia oleracea) chloroplasts, thylakoid membranes, and inside-out or right-side-out thylakoid vesicles have been characterized by flow cytometry with respect to forward angle light scatter, right angle light scatter, and chlorophyll fluorescence. Analysis of intact chloroplasts with respect to forwa...

journal_title：Plant physiology

authors： Schröder WP,Petit PX

更新日期：1992-11-01 00:00:00