Disruption of Ethylene Responses by Turnip mosaic virus Mediates Suppression of Plant Defense against the Green Peach Aphid Vector.

abstract：:Constitutively produced extracellular pectinesterases from culture filtrates of the potato late blight fungus Phytophthora infestans were purified and characterized. One enzyme (PE II) was purified to homogeneity. Sodium dodecyl sulfate electrophoresis of the second enzyme (PE I) revealed two protein bands; there are ...

journal_title：Plant physiology

authors： Förster H,Rasched I

更新日期：1985-01-01 00:00:00

abstract：:Streptomycin and chloramphenicol inhibit the development of the photosynthetic apparatus and enhance anthocyanin synthesis in tomato (Lycopersican esculentum, cv. Beefsteak) and red cabbage (Brassica oleracea, cv. Red Acre) seedlings. The two antibiotics do not affect the basic features of light-dependent anthocyanin ...

journal_title：Plant physiology

authors： Mancinelli AL,Yang CP,Rabino I,Kuzmanoff KM

更新日期：1976-08-01 00:00:00

abstract：:Flowering of the facultative long-day plant Arabidopsis is controlled by several endogenous and environmental factors, among them gibberellins (GAs) and day length. The promotion of flowering by long days involves an endogenous clock that interacts with light cues provided by the environment. Light, and specifically p...

journal_title：Plant physiology

authors： Blázquez MA,Trénor M,Weigel D

更新日期：2002-12-01 00:00:00

abstract：:Treatment of bean (Phaseolus vulgaris L.) seedlings with low levels of salinity (50 or 100 millimolar NaCl) decreased the rate of light-induced leaf cell expansion in the primary leaves over a 3 day period. This decrease could be due to a reduction in one or both of the primary cellular growth parameters: wall exten...

journal_title：Plant physiology

authors： Neumann PM,Van Volkenburgh E,Cleland RE

更新日期：1988-01-01 00:00:00

abstract：:Substantial errors can be introduced to estimates of leaf resistance (r(l)) obtained from diffusion porometers unless precautions are taken to reduce the leaf-cup temperature difference (T(leaf) - T(cup)) to acceptable levels prior to measurement. When T(leaf) > T(cup), underestimation of leaf resistance occurs; the r...

journal_title：Plant physiology

authors： Morrow PA,Slatyer RO

更新日期：1971-04-01 00:00:00

abstract：:We have investigated the involvement of phytochrome B in the early-flowering response of Arabidopsis thaliana L. seedlings to low red:far-red (R/FR) ratio light conditions. The phytochrome B-deficient hy3 (phyB) mutant is early flowering, and in this regard it resembles the shade-avoidance phenotype of its isogenic wi...

journal_title：Plant physiology

authors： Halliday KJ,Koornneef M,Whitelam GC

更新日期：1994-04-01 00:00:00

abstract：:Transgenic tomato (Solanum lycopersicum) plants in which either mitochondrial malate dehydrogenase or fumarase was antisense inhibited have previously been characterized to exhibit altered photosynthetic metabolism. Here, we demonstrate that these manipulations also resulted in differences in root growth, with both tr...

journal_title：Plant physiology

authors： van der Merwe MJ,Osorio S,Moritz T,Nunes-Nesi A,Fernie AR

更新日期：2009-02-01 00:00:00

abstract：:We report the first complete purifications of the cytosolic and plastid isozymes of triose phosphate isomerase (TPI; EC 5.3.1.1) from higher plants including spinach (Spinacia oleracea), lettuce (Lactuca sativa), and celery (Apium graveolens). Both isozymes are composed of two isosubunits with approximate molecular we...

journal_title：Plant physiology

authors： Pichersky E,Gottlieb LD

更新日期：1984-02-01 00:00:00

abstract：:The cloning and analysis of two different cDNA clones encoding putative maize (Zea mays L.) chitinases obtained by polymerase chain reaction (PCR) and cDNA library screening is described. The cDNA library was made from poly(A)+ RNA from leaves challenged with mercuric chloride for 2 d. The two clones, pCh2 and pCh11, ...

journal_title：Plant physiology

authors： Wu S,Kriz AL,Widholm JM

更新日期：1994-08-01 00:00:00

abstract：:The assay of acetyl-CoA carboxylase (EC 6.4.1.2) does not follow ideal zero-order kinetics when assayed in a crude extract from wheat (Triticum aestivum L.) germ. Our results show that the lack of ideality is the consequence of contamination by ATPase and adenylate kinase. These enzyme activities generate significant ...

journal_title：Plant physiology

authors： Eastwell KC,Stumpf PK

更新日期：1983-05-01 00:00:00

abstract：:Our results show that the phosphate ion is a nonlinear competitive inhibitor of Pinus pinea isocitrate lyase. In addition, this compound induces a sigmoidal response of the enzyme, which usually exhibits standard Michaelis-Menten kinetics. This peculiar behavior of P. pinea isocitrate lyase could be explained by a dim...

journal_title：Plant physiology

authors： Ranaldi F,Vanni P,Giachetti E

更新日期：2000-11-01 00:00:00

abstract：:The photorespiratory Arabidopsis (Arabidopsis thaliana) mutant gld1 (now designated mtkas-1) is deficient in glycine decarboxylase (GDC) activity, but the exact nature of the genetic defect was not known. We have identified the mtkas-1 locus as gene At2g04540, which encodes beta-ketoacyl-[acyl carrier protein (ACP)] s...

journal_title：Plant physiology

authors： Ewald R,Kolukisaoglu U,Bauwe U,Mikkat S,Bauwe H

更新日期：2007-09-01 00:00:00

abstract：:Intact spinach and barley chloroplast normally incorporate (14)C-acetate into palmitate and oleate as the major (14)C fatty acids. Addition of nitrite markedly altered the relative patterns of the products with the appearance of stearate, a drop in oleate, but no marked change in palmitate. Arsenite greatly increased ...

journal_title：Plant physiology

authors： Kannangara CG,Stumpf PK

更新日期：1972-04-01 00:00:00

abstract：:42K+ and 86Rb+ were used to determine the subcellular distribution of potassium in Chlamydomonas reinhardtii by compartmental analysis. In both wild type and a mutant strain, three distinct compartments (referred to as I, II, and III) were apparent. Using 42K+, we found that these had half-lives for K+ exchange of 1.0...

journal_title：Plant physiology

authors： Malhotra B,Glass A

更新日期：1995-08-01 00:00:00

abstract：:The role of roots in the enhancement of cytokinin content and leaf growth of Phaseolus vulgaris plants after decapitation and partial defoliation was investigated. Partial excision of the roots of plants which were decapitated above the primary leaf node resulted in a reduction of leaf growth and soluble proteins accu...

journal_title：Plant physiology

authors： Carmi A,Staden JV

更新日期：1983-09-01 00:00:00

abstract：:Electrophoretic examination of 22-day-old, normal maize (Zea mays L.) endosperm extracts revealed two zones of adenosine diphosphate glucose pyrophosphorylase activity. The enzymes are identical in terms of Km for glucose 1-phosphate and the effect of 3-phosphoglyceric acid on apparent Km for glucose 1-phosphate. Both...

journal_title：Plant physiology

authors： Hannah LC,Nelson OE

更新日期：1975-02-01 00:00:00

abstract：:We describe a simple and highly effective means for global identification of genes that are expressed within specific cell types within complex tissues. It involves transgenic expression of nuclear-targeted green fluorescent protein in a cell-type-specific manner. The fluorescent nuclei are then purified from homogena...

journal_title：Plant physiology

authors： Zhang C,Barthelson RA,Lambert GM,Galbraith DW

更新日期：2008-05-01 00:00:00

abstract：:Pectin methylesterase (PME, EC 3.1.1.11) is an ubiquitous enzyme in the plant kingdom; however, its role in plant growth and development is not yet understood. Using transgenic tomato (Lycopersicon esculentum Mill.) fruits that show more than 10-fold reduction in PME activity because of expression of an antisense PME ...

journal_title：Plant physiology

authors： Tieman DM,Handa AK

更新日期：1994-10-01 00:00:00

abstract：:Microalgae accumulate lipids during stress such as that of nutrient deprivation, concomitant with cessation of growth and depletion of chloroplasts. By contrast, certain small chemical compounds selected by high-throughput screening in Chlamydomonas reinhardtii can induce lipid accumulation during growth, maintaining ...

journal_title：Plant physiology

authors： Wase N,Tu B,Rasineni GK,Cerny R,Grove R,Adamec J,Black PN,DiRusso CC

更新日期：2019-11-01 00:00:00

abstract：:The unfolded protein response (UPR) is activated in plants in response to endoplasmic reticulum stress and plays an important role in mitigating stress damage. Multiple factors act in the UPR, including the membrane-associated transcription factor, BASIC LEUCINE ZIPPER 17 (bZIP17), and the membrane-associated RNA spli...

journal_title：Plant physiology

authors： Bao Y,Bassham DC,Howell SH

更新日期：2019-04-01 00:00:00

abstract：:Embryos from rice (Oryza sativa L. var. Bluebonnet) and wheat (Triticum aestivum L.) contain an aminoacyl-tRNA protein transferase which transfers arginine from arginyl-tRNA to the N terminus of a protein acceptor. The activity was measured in vitro in a reaction mixture containing embryo supernatant fraction, buffer,...

journal_title：Plant physiology

authors： Manahan CO,App AA

更新日期：1973-07-01 00:00:00

abstract：:Porphobilinogen (PBG) deaminase catalyzes the polymerization of four PBG monopyrrole units into the linear tetrapyrrole hydroxymethylbilane necessary for the formation of chlorophyll and heme in plant cells. Degenerate oligonucleotide primers were designed based on amino acid sequence data (generated by mass spectrome...

journal_title：Plant physiology

authors： Witty M,Wallace-Cook AD,Albrecht H,Spano AJ,Michel H,Shabanowitz J,Hunt DF,Timko MP,Smith AG

更新日期：1993-09-01 00:00:00

abstract：:It has been reported that hydroxyphenylethylamines, such as tyramine and octopamine, are toxic to tobacco (Nicotiana tabacum L.) callus cultures grown in the presence of auxins, whereas calli grown in the presence of cytokinins and crown gall cultures are resistant to these amines (P. Christou and K.A. Barton [1989] P...

journal_title：Plant physiology

authors： Negrel J,Javelle F,Paynot M

更新日期：1993-10-01 00:00:00

abstract：:Homoserine dehydrogenase is associated with the multibranched pathway of amino acid biosynthesis originating with aspartic acid. Like most of the related pathway enzymes, this enzyme is localized in chloroplasts. The activity and regulatory properties of the threonine-sensitive isozyme of homoserine dehydrogenase isol...

journal_title：Plant physiology

authors： Bryan JK

更新日期：1990-03-01 00:00:00

abstract：:Salicylic acid (SA) is a natural inducer of disease resistance in some dicotyledonous plants. Rice seedlings (Oryza sativa L.) had the highest levels of SA among all plants tested for SA content (between 0.01 and 37.19 [mu]g/g fresh weight). The second leaf of rice seedlings had slightly lower SA levels than any young...

journal_title：Plant physiology

authors： Silverman P,Seskar M,Kanter D,Schweizer P,Metraux JP,Raskin I

更新日期：1995-06-01 00:00:00

abstract：:Endo-polygalacturonase (PG) was purified from a commercial preparation of Aspergillus niger pectinase by means of carboxymethylcellulose chromatography, preparative isoelectric focusing, and gel permeation through Sephadex G-50. The enzyme was electrophoretically homogeneous and consisted of a single polypeptide chain...

journal_title：Plant physiology

authors： Cervone F,De Lorenzo G,Degrà L,Salvi G

更新日期：1987-11-01 00:00:00

abstract：:Understanding the relationship of the size and shape of an organism to the size, shape, and number of its constituent cells is a basic problem in biology; however, numerous studies indicate that the relationship is complex and often nonintuitive. To investigate this problem, we used a system for the inducible expressi...

journal_title：Plant physiology

authors： Kuwabara A,Backhaus A,Malinowski R,Bauch M,Hunt L,Nagata T,Monk N,Sanguinetti G,Fleming A

更新日期：2011-08-01 00:00:00

abstract：:Differential thermal analysis detected two freezing events when dormant forsythia (Forsythia viridissima Lindl.) flower buds were cooled. The first occurred just below 0 degrees C, and was coincident with the freezing of adjacent woody tissues. The second exotherm appeared as a spike between -10 and -25 degrees C and ...

journal_title：Plant physiology

authors： Ashworth EN

更新日期：1990-03-01 00:00:00

abstract：:Interactions between sulfur (S) nutritional status and sulfate transporter expression in field-grown wheat (Triticum aestivum) were investigated using Broadbalk +S and -S treatments (S fertilizer withheld) at Rothamsted, United Kingdom. In 2008, S, sulfate, selenium (Se), and molybdenum (Mo) concentrations and sulfate...

journal_title：Plant physiology

authors： Shinmachi F,Buchner P,Stroud JL,Parmar S,Zhao FJ,McGrath SP,Hawkesford MJ

更新日期：2010-05-01 00:00:00

abstract：:Two mutations, amylose-extender and waxy, which affect the proportion of amylose and amylopectin of starch synthesized in the endosperm of maize (Zea mays L.) seeds, are also expressed in the pollen. However, most mutations that affect starch synthesis in the maize endosperm are not expressed in the pollen. In an atte...

journal_title：Plant physiology

authors： Bryce WH,Nelson OE

更新日期：1979-02-01 00:00:00