Heat stability of maize endosperm ADP-glucose pyrophosphorylase is enhanced by insertion of a cysteine in the N terminus of the small subunit.

abstract：:Cell-free preparations from seeds of Marah macrocarpus L. and Malus domestica L. catalyzed the conversion of gibberellin A(9) (GA(9)) and 2,3-dehydroGA(9) to GA(7); GA(9) was also metabolized to GA(4) in a branch pathway. The preparation from Marah seeds also metabolized GA(5) to GA(3) in high yield; GA(6) was a minor...

journal_title：Plant physiology

authors： Albone KS,Gaskin P,Macmillan J,Phinney BO,Willis CL

更新日期：1990-09-01 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：:Exposing hybrid poplar (Populus maximowizii x trichocarpa) plants to ozone (O3) resulted in an acceleration of the visual symptoms of senescence and a decrease in the activity and quantity of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco). Whole plants, crude leaf extracts, and isolated intact chloroplasts ...

journal_title：Plant physiology

authors： Landry LG,Pell EJ

更新日期：1993-04-01 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：:Partial submergence of deepwater rice (Oryza sativa L. cv Habiganj Aman II) elicits three responses: enhancement of internodal elongation, inhibition of leaf growth, and promotion of adventitious root formation. All three responses can be induced in isolated stem sections by treatment with ethylene. Dose-response curv...

journal_title：Plant physiology

authors： Bleecker AB,Rose-John S,Kende H

更新日期：1987-06-01 00:00:00

abstract：:To test the hypothesis that photoinduction acts by changing the ability of the plant to transport hormones, rather than by changing the ability of organs to synthesize them, the transport of carboxy-labeled indole-3-acetic acid was measured in the short day plant Xanthium pensylvanicum. Plants grown under noninductive...

journal_title：Plant physiology

authors： Jacobs WP

更新日期：1978-03-01 00:00:00

abstract：:Compatible and incompatible pollen tubes growing on detached Lilium longiflorum pistils which had been prelabeled with myoinositol-U-(14)C take up a portion of the label and utilize it for biosynthesis of tube wall substance. The label is transferred from pistil to pollen tubes apparently via the secretion products (e...

journal_title：Plant physiology

authors： Kroh M,Miki-Hirosige H,Rosen W,Loewus F

更新日期：1970-01-01 00:00:00

abstract：:The ATPase activity of a membrane fraction from soybean (Glycine max L.) root and callus cells, presumed to be enriched in plasma membrane, has been characterized with respect to ion stimulation, pH requirement, and nucleotide specificity. The enzyme from both sources was activated by divalent cations (Mg(2+) > Mn(2+)...

journal_title：Plant physiology

authors： Hendrix DL,Kennedy RM

更新日期：1977-02-01 00:00:00

abstract：:Changes in the physiology of plant leaves are correlated with enhanced freezing tolerance and include accumulation of compatible solutes, changes in membrane composition and behavior, and altered gene expression. Some of these changes are required for enhanced freezing tolerance, whereas others are merely consequences...

journal_title：Plant physiology

authors： Wanner LA,Junttila O

更新日期：1999-06-01 00:00:00

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：:Gene expression in the aleurone and endosperm is highly regulated during both seed development and germination. Studies of alpha-amylase expression in the aleurone of barley (Hordeum vulgare) have generated the current paradigm for hormonal control of gene expression in germinating cereal grain. Gene expression studie...

journal_title：Plant physiology

authors： Gallie DR,Young TE

更新日期：1994-11-01 00:00:00

abstract：:The effect of a cold treatment on the carbohydrate status of the scales and flower stalk of Tulipa gesneriana L. cv Apeldoorn bulbs during growth after planting was studied and compared with bulbs not given cold treatment. Bulbs were stored dry for 12 weeks at 5[deg]C (precooled) or 17[deg]C (noncooled). Only the 5[de...

journal_title：Plant physiology

authors： Lambrechts H,Rook F,Kolloffel C

更新日期：1994-02-01 00:00:00

abstract：:Cellulose is the most abundant biopolymer in the world, the main load-bearing element in plant cell walls, and represents a major sink for carbon fixed during photosynthesis. Previous work has shown that photosynthetic activity is partially regulated by carbohydrate sinks. However, the coordination of cellulose biosyn...

journal_title：Plant physiology

authors： Wormit A,Butt SM,Chairam I,McKenna JF,Nunes-Nesi A,Kjaer L,O'Donnelly K,Fernie AR,Woscholski R,Barter MC,Hamann T

更新日期：2012-05-01 00:00:00

abstract：:Phototropism and hypocotyl growth inhibition are modulated by the coaction of different blue-light photoreceptors and their signaling pathways. How seedlings integrate the activities of the different blue-light photoreceptors to coordinate these hypocotyl growth responses is still unclear. We have used time-lapse imag...

journal_title：Plant physiology

authors： Whippo CW,Hangarter RP

更新日期：2003-07-01 00:00:00

abstract：:Cyanobacteria unable to fix atmospheric nitrogen have evolved sophisticated adaptations to survive to long periods of nitrogen starvation. These genetic programs are still largely unknown-as evidenced by the many proteins whose expression is regulated in response to nitrogen availability, but which belong to unknown o...

journal_title：Plant physiology

authors： Muro-Pastor MI,Cutillas-Farray Á,Pérez-Rodríguez L,Pérez-Saavedra J,Vega-de Armas A,Paredes A,Robles-Rengel R,Florencio FJ

更新日期：2020-12-01 00:00:00

abstract：:Pyruvate dehydrogenase complex is associated with intact chloroplasts and mitochondria of 9-day-old Pisum sativum L. seedlings. The ratio of the mitochondrial complex to the chloroplast complex activities is about 3 to 1. Maximal rates observed for chloroplast pyruvate dehydrogenase complex activity ranged from 6 to 9...

journal_title：Plant physiology

authors： Williams M,Randall DD

更新日期：1979-12-01 00:00:00

abstract：:Distinct ROS signaling pathways initiated by singlet oxygen ((1)O2) or superoxide and hydrogen peroxide have been attributed to either cell death or acclimation, respectively. Recent studies have revealed that more complex antagonistic and synergistic relationships exist within and between these pathways. As specific ...

journal_title：Plant physiology

authors： Carmody M,Crisp PA,d'Alessandro S,Ganguly D,Gordon M,Havaux M,Albrecht-Borth V,Pogson BJ

更新日期：2016-07-01 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：:A variety of red pepper (Capsicum annuum L., cv Yaglik) responds to Fe deficiency stress with simultaneously enhanced H(+) extrusion, reduction of ferric ions and synthesis of malic and citric acid in a swollen subapical root zone densely covered with root hairs. It is demonstrated that these stress responses temporal...

journal_title：Plant physiology

authors： Landsberg EC

更新日期：1986-10-01 00:00:00

abstract：:A selected strain of wild oat (Avena fatua L.) seed has been shown to lose dormancy rapidly during moist soil incubation at 25 C, whereas seed kept similarly at 5 C maintained a high level of dormancy.The activities of cytosolic dehydrogenase enzymes of the pentose phosphate pathway were assayed throughout a period of...

journal_title：Plant physiology

authors： Adkins SW,Ross JD

更新日期：1981-07-01 00:00:00

abstract：:Major storage reserves of Arabidopsis (Arabidopsis thaliana) seeds are triacylglycerols (seed oils) and proteins. Seed oil content is severely reduced for the regulatory mutant wrinkled1 (wri1-1; At3g54320) and for a double mutant in two isoforms of plastidic pyruvate kinase (pkpbeta(1)pkpalpha; At5g52920 and At3g2296...

journal_title：Plant physiology

authors： Lonien J,Schwender J

更新日期：2009-11-01 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：:Stomatal transpiration is at the center of a crisis in water availability and crop production that is expected to unfold over the next 20 to 30 years. Global water usage has increased 6-fold in the past 100 years, twice as fast as the human population, and is expected to double again before 2030, driven mainly by irri...

journal_title：Plant physiology

authors： Wang Y,Hills A,Blatt MR

更新日期：2014-04-01 00:00:00

abstract：:The addition of primary amines to the growth medium of the unicellular green alga Chlamydomonas reinhardtii disrupts cell wall assembly in both vegetative and zygotic cells. Primary amines are competitive inhibitors of the protein-cross-linking activity of transglutaminases. Two independent assays for transglutaminase...

journal_title：Plant physiology

authors： Waffenschmidt S,Kusch T,Woessner JP

更新日期：1999-11-01 00:00:00

abstract：:An important question concerning the role of carboxyarabinitol 1-phosphate (CA1P) metabolism in the light-dependent regulation of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activity is the extent to which CA1P is bound to Rubisco in vivo. We report here the development of an extraction procedure using a...

journal_title：Plant physiology

authors： Moore B,Seemann JR

更新日期：1994-06-01 00:00:00

abstract：:Pti4 is a tomato (Lycopersicon esculentum) transcription factor that belongs to the ERF (ethylene-responsive element binding factor) family of proteins. It interacts with the Pto kinase in tomato, which confers resistance to the Pseudomonas syringae pv tomato pathogen that causes bacterial speck disease. To study the ...

journal_title：Plant physiology

authors： Wu K,Tian L,Hollingworth J,Brown DC,Miki B

更新日期：2002-01-01 00:00:00

abstract：:Heat treatment (37 degrees C) of transgenic tobacco (Nicotiana tabacum) plants led to a reversible reduction or complete loss of transgene-encoded activities in about 40% of 10 independent transformants carrying the luciferase-coding region fused to the 355 cauliflower mosaic virus or the soybean small subunit promote...

journal_title：Plant physiology

authors： Neumann K,Dröge-Laser W,Köhne S,Broer I

更新日期：1997-11-01 00:00:00

abstract：:Plants are able to respond to herbivore damage with de novo biosynthesis of an herbivore-characteristic blend of volatiles. The signal transduction initiating volatile biosynthesis may involve the activation of the octadecanoid pathway, as exemplified by the transient increase of endogenous jasmonic acid (JA) in leave...

journal_title：Plant physiology

authors： Koch T,Krumm T,Jung V,Engelberth J,Boland W

更新日期：1999-09-01 00:00:00

abstract：:The induction of phototropism in etiolated (dark-grown) seedlings exposed to an unidirectional pulse or extended irradiation with low fluence rate blue light (BL) requires the action of the phototropin (nph1) BL receptor. Although cryptochromes and phytochromes are not required for phototropic induction, these photore...

journal_title：Plant physiology

authors： Stowe-Evans EL,Luesse DR,Liscum E

更新日期：2001-06-01 00:00:00

abstract：:Terpenes are specialized plant metabolites that act as attractants to pollinators and as defensive compounds against pathogens and herbivores, but they also play an important role in determining the quality of horticultural food products. We show that the genome of cultivated apple (Malus domestica) contains 55 putati...

journal_title：Plant physiology

authors： Nieuwenhuizen NJ,Green SA,Chen X,Bailleul EJ,Matich AJ,Wang MY,Atkinson RG

更新日期：2013-02-01 00:00:00