Chloramphenicol as an energy transfer inhibitor in spinach chloroplasts.

abstract：:Amyloplast envelope membranes isolated from cultured, white-wild cells of sycamore (Acer pseudoplatanus L.) have been found to contain a Mg(2+)-ATPase, ranging in specific activity from 5 to 30 nanomoles per minute per milligram protein. This ATPase hydrolyzes a broad range of nucleoside triphosphates, whereas it hydr...

journal_title：Plant physiology

authors： Harinasut P,Takabe T,Akazawa T,Tagaya M,Fukui T

更新日期：1988-09-01 00:00:00

abstract：:Ozone-treated cells of the photosynthetic green alga Chlorella sorokiniana var. pacificensis exhibit an exponential decline in viability, as measured by their ability to form colonies on agar plates. Postexposure conditions appear to have little, if any, effect on this rate of decline. Except in young (early exponenti...

journal_title：Plant physiology

authors： Frederick PE,Heath RL

更新日期：1975-01-01 00:00:00

abstract：:The incorporation of [(14)C]phenylalanine and [1,6-(14)C]shikimic acid into tyrosine was investigated in the callus of Portulaca grandiflora, var. JR (L.). By inhibiting phenylalanine with 1-alpha-aminooxy-beta-phenyl-propionic acid and tyrosinase with 1-cysteine-HCl and hydrazine-hydrate, the possible synthesis of ty...

journal_title：Plant physiology

authors： Endress R

更新日期：1981-08-01 00:00:00

abstract：:Rates of assimilation and transpiration in Eucalyptus pauciflora Sieb. ex Spreng were measured at various ambient partial pressures of CO(2) and various irradiances and were used to estimate leaf conductance and intercellular partial pressure of CO(2). The responses of leaf conductance and rate of assimilation to chan...

journal_title：Plant physiology

authors： Wong SC,Cowan IR,Farquhar GD

更新日期：1978-10-01 00:00:00

abstract：:The patterns of nitrate reductase activity (NRA) in the leaves (in vivo assay) and root nodule nitrogenase activity (C(2)H(2) reduction) were investigated throughout the season in field-grown Phaseolus vulgaris plants.Maximal NRA (per g fresh weight) occurred at early stages of leaf development but total activity (per...

journal_title：Plant physiology

authors： Franco AA,Pereira JC,Neyra CA

更新日期：1979-03-01 00:00:00

abstract：:A procedure is described that can be used to minimize toxic effects of polyethylene glycol (PEG) to plants. The procedure is based on recycling nutrient solutions containing PEG-6000 through two plant cultures. Tomato plants grown in -0.3 megapascals PEG solutions used after two growth cycles exhibited minimal toxic e...

journal_title：Plant physiology

authors： Plaut Z,Federman E

更新日期：1985-10-01 00:00:00

abstract：:Glutathione is generally accepted as the principal electron donor for dehydroascorbate (DHA) reduction. Moreover, both glutathione and DHA affect cell cycle progression in plant cells. But other mechanisms for DHA reduction have been proposed. To investigate the connection between DHA and glutathione, we have evaluate...

journal_title：Plant physiology

authors： Potters G,Horemans N,Bellone S,Caubergs RJ,Trost P,Guisez Y,Asard H

更新日期：2004-04-01 00:00:00

abstract：:Levels of gibberillins (GAs) and of abscisic acid (ABA) in attached leaves of romaine lettuce (Lactuca sativa L.) declined as the leaf became older. The time course of changes in hormone levels, determined in detached lettuce leaves kept in darkness, revealed that a sharp decline in GAs accompanied by a moderate rise ...

journal_title：Plant physiology

authors： Aharoni N

更新日期：1978-08-01 00:00:00

abstract：:The respiration rise in bulky storage organs induced by ethylene plus pure O(2) is accompanied by an increase in the CN-resistant respiration, or alternative path. Whereas a lesser respiratory stimulation in response to ethylene is demonstrable in air and increased by peeling, ethylene-induced alternative path develop...

journal_title：Plant physiology

authors： Theologis A,Laties GG

更新日期：1982-05-01 00:00:00

abstract：:Chloroplasts are multifunctional organelles whose morphology is affected by environmental stresses. Although the three-dimensional (3D) architecture of thylakoid membranes has been reported previously, a 3D visualization of chloroplast under stress has not been explored. In this work, we used a positive-strand RNA ((+...

journal_title：Plant physiology

authors： Jin X,Jiang Z,Zhang K,Wang P,Cao X,Yue N,Wang X,Zhang X,Li Y,Li D,Kang BH,Zhang Y

更新日期：2018-01-01 00:00:00

abstract：:Formation of the chlorophyll and heme precursor delta-aminolevulinic acid (ALA) from glutamate in soluble extracts of Chlorella vulgaris, Euglena gracilis, and Cyanidium caldarium was stimulated by addition of low molecular weight RNA derived from greening algae or plant tissue. Enzyme extracts were prepared for the A...

journal_title：Plant physiology

authors： Weinstein JD,Mayer SM,Beale SI

更新日期：1986-12-01 00:00:00

abstract：:The basic/helix-loop-helix (bHLH) transcription factors and their homologs form a large family in plant and animal genomes. They are known to play important roles in the specification of tissue types in animals. On the other hand, few plant bHLH proteins have been studied functionally. Recent completion of whole genom...

journal_title：Plant physiology

authors： Li X,Duan X,Jiang H,Sun Y,Tang Y,Yuan Z,Guo J,Liang W,Chen L,Yin J,Ma H,Wang J,Zhang D

更新日期：2006-08-01 00:00:00

abstract：:Electron paramagnetic resonance has been used to quantitate reduction of ferric ion bound to hydroxamate siderophores by iron-stressed fungi (DJ Ecker et al. 1982 J Biol Chem 257:8623-8626) and by iron-stressed Chlorella vulgaris (ATCC 11468) (FCT Allnutt, WD Bonner 1984 J Plant Nutr 7: 427-435). Application of this t...

journal_title：Plant physiology

authors： Allnutt FC,Bonner WD

更新日期：1987-04-01 00:00:00

abstract：:Changes in neutral sugar, uronic acid, and protein content of tomato (Lycopersicon esculentum Mill) cell walls during ripening were characterized. The only components to decline in amount were galactose, arabinose, and galacturonic acid. Isolated cell walls of ripening fruit contained a water-soluble polyuronide, poss...

journal_title：Plant physiology

authors： Gross KC,Wallner SJ

更新日期：1979-01-01 00:00:00

abstract：:A physical analysis of water movement through elongating soybean (Glycine max L. Merr.) hypocotyls was made to determine why significant water potentials persist in growing tissues even though the external water potentials were zero and transpiration is virtually zero. The analysis was based on a water transport theor...

journal_title：Plant physiology

authors： Molz FJ

更新日期：1978-09-01 00:00:00

abstract：:Comparisons were made between the free amino acid composition in leaf exudates and that in pure phloem sap, using twin samples taken from a single leaf of two oat (Avena sativa L.) and three barley (Hordeum vulgare L.) varieties. Leaf exudate was collected in a 5 mm EDTA-solution (pH 7.0) from cut leaf blades and phlo...

journal_title：Plant physiology

authors： Weibull J,Ronquist F,Brishammar S

更新日期：1990-01-01 00:00:00

abstract：:An important component of conventional sense, antisense, and double-strand RNA-based gene silencing constructs is the transcriptional terminator. Here, we show that this regulatory element becomes obsolete when gene fragments are positioned between two oppositely oriented and functionally active promoters. The resulti...

journal_title：Plant physiology

authors： Yan H,Chretien R,Ye J,Rommens CM

更新日期：2006-08-01 00:00:00

abstract：:Microcomplement fixation was employed to compare the immunological differences that occur between purified inhibitor I from potato tubers, the four purified protomers that comprise it, and inhibitor I from tuber and leaf extracts. Total inhibitors of chymotrypsin and trypsin in leaves of seven genera of the Solanaceae...

journal_title：Plant physiology

authors： Gurusiddaiah S,Kuo T,Ryan CA

更新日期：1972-11-01 00:00:00

abstract：:Transgenic Flaveria bidentis (a C4 species) plants with an antisense gene directed against the mRNA of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) were used to examine the relationship between the CO2 assimilation rate, Rubisco content, and carbon isotope discrimination. Reduction in the amount of Rubisc...

journal_title：Plant physiology

authors： Von Caemmerer S,Millgate A,Farquhar GD,Furbank RT

更新日期：1997-02-01 00:00:00

abstract：:Cell-free extracts from gibberellic acid-treated barley (Hordeum vulgare L. cv. Himalaya) aleurone layers show phosphorylcholine glyceride transferase activity greater than that from control layers. The increase in activity is not prevented by a mixture of amino acid analogs nor by cordycepin under conditions in which...

journal_title：Plant physiology

authors： Ben-Tal Y

更新日期：1974-12-01 00:00:00

abstract：:ATP-binding cassette (ABC) transporters represent a large family in plants, but the functions of most of these transporters are unknown. Here we report a gene, AtSTAR1, only encoding an ATP-binding domain of a bacterial-type ABC transporter in Arabidopsis (Arabidopsis thaliana). AtSTAR1 is an ortholog of rice (Oryza s...

journal_title：Plant physiology

authors： Huang CF,Yamaji N,Ma JF

更新日期：2010-08-01 00:00:00

abstract：:Our goal was to create a DNA chip that is as easy, convenient, and inexpensive as an agarose gel. For a first-generation solution, we describe a low-cost, easy-to-use de novo synthesis oligonucleotide microarray technology that draws on the inherent flexibility of the maskless array synthesizer for in situ synthesis o...

journal_title：Plant physiology

authors： Heinrich KW,Wolfer J,Hong D,LeBlanc M,Sussman MR

更新日期：2012-06-01 00:00:00

abstract：:The cell walls of wheat (Triticum aestivum) starchy endosperm are dominated by arabinoxylan (AX), accounting for 65% to 70% of the polysaccharide content. Genes within two glycosyl transferase (GT) families, GT43 (IRREGULAR XYLEM9 [IRX9] and IRX14) and GT47 (IRX10), have previously been shown to be involved in the syn...

journal_title：Plant physiology

authors： Lovegrove A,Wilkinson MD,Freeman J,Pellny TK,Tosi P,Saulnier L,Shewry PR,Mitchell RA

更新日期：2013-09-01 00:00:00

abstract：:The influx of K(+) from (86)Rb-labeled solutions in the concentration range 0.008 to 0.2 mm into roots of intact plants and excised roots of barley plants (Hordeum vulgare [L.]) previously grown in 5 mm CaSO(4) (low K(+) roots) or 0.5 mm CaSO(4) plus 5 mm KCl (high K(+) roots) was measured. A consistent observation of...

journal_title：Plant physiology

authors： Glass AD

更新日期：1978-04-01 00:00:00

abstract：:Eukaryotic Δ6-desaturases are microsomal enzymes that balance the synthesis of ω-3 and ω-6 C18-polyunsaturated fatty acids (C18-PUFAs) according to their specificity. In several microalgae, including Ostreococcus tauri, plastidic C18-PUFAs are strictly regulated by environmental cues suggesting an autonomous control o...

journal_title：Plant physiology

authors： Degraeve-Guilbault C,Gomez RE,Lemoigne C,Pankansem N,Morin S,Tuphile K,Joubès J,Jouhet J,Gronnier J,Suzuki I,Coulon D,Domergue F,Corellou F

更新日期：2020-09-01 00:00:00

abstract：:The cis-regulatory regions on DNA serve as binding sites for proteins such as transcription factors and RNA polymerase. The combinatorial interaction of these proteins plays a crucial role in transcription initiation, which is an important point of control in the regulation of gene expression. We present here an analy...

journal_title：Plant physiology

authors： Morey C,Mookherjee S,Rajasekaran G,Bansal M

更新日期：2011-07-01 00:00:00

abstract：:SHORT-ROOT (SHR) and SCARECROW (SCR) are required for stem cell maintenance in the Arabidopsis (Arabidopsis thaliana) root meristem, ensuring its indeterminate growth. Mutation of SHR and SCR genes results in disorganization of the quiescent center and loss of stem cell activity, resulting in the cessation of root gro...

journal_title：Plant physiology

authors： Dhondt S,Coppens F,De Winter F,Swarup K,Merks RM,Inzé D,Bennett MJ,Beemster GT

更新日期：2010-11-01 00:00:00

abstract：:When cyclic photophosphorylation is inhibited in Chlorella vulgaris cells by carbonylcyanide-trifluoromethoxy phenylhy-drazone, photosynthetic CO(2)-fixation under anaerobic conditions exhibits a distinct lag. Under the same conditions, the light-dependent formation of ribulose diphosphate shows also this lag. It is c...

journal_title：Plant physiology

authors： Klob W,Kandler O,Tanner W

更新日期：1973-05-01 00:00:00

abstract：:Although cycloheximide is extremely inhibitory to protein synthesis in vivo in higher plants, the reported insensitivity of some plant ribosomes suggests that it may not invariably act at the ribosomal level. This suggestion is reinforced by results obtained with red beet storage tissue disks, the respiration of which...

journal_title：Plant physiology

authors： Ellis RJ,Macdonald IR

更新日期：1970-08-01 00:00:00

abstract：:Lipoxidase, in the cotyledons of squash (Cucurbita moscata) seedlings grown in the dark, reached its peak activity on the fifth day and then declined to its lowest activity on the eighth day. Under continuous irradiation, the rate of enzyme disappearance was accelerated by red (655 mmu) and was retarded by far-red (73...

journal_title：Plant physiology

authors： Surrey K

更新日期：1967-03-01 00:00:00