Why leaves turn red in autumn. The role of anthocyanins in senescing leaves of red-osier dogwood.

abstract：:We have purified homoserine dehydrogenase to homogeneity and subjected polypeptide fragments derived from digests of the protein to amino acid sequencing. The amino acid sequence of homoserine dehydrogenase from carrot (Daucus carota) indicates that in carrot both aspartokinase and homoserine dehydrogenase activities ...

journal_title：Plant physiology

authors： Wilson BJ,Gray AC,Matthews BF

更新日期：1991-12-01 00:00:00

abstract：:The effects of high light stress on chloroplast ultrastructure and protein and mRNA composition were investigated in carotenoid-deficient peas (Pisum sativum, L.). In low light, the thylakoid membrane polypeptide pattern was altered, with several prominent chlorophyll-binding proteins present in diminished amounts. Th...

journal_title：Plant physiology

authors： Sagar AD,Briggs WR

更新日期：1990-12-01 00:00:00

abstract：:Osmoregulation in opening stomata of epidermal peels from Vicia faba L. leaves was investigated under a variety of experimental conditions. The K(+) content of stomatal guard cells and the starch content of guard cell chloroplasts were examined with cobaltinitrite and iodine-potassium iodide stains, respectively; stom...

journal_title：Plant physiology

authors： Tallman G,Zeiger E

更新日期：1988-11-01 00:00:00

abstract：:To elucidate the effect of high temperature on grain-filling metabolism, developing rice (Oryza sativa) "Nipponbare" caryopses were exposed to high temperature (33 degrees C/28 degrees C) or control temperature (25 degrees C/20 degrees C) during the milky stage. Comprehensive gene screening by a 22-K DNA microarray an...

journal_title：Plant physiology

authors： Yamakawa H,Hirose T,Kuroda M,Yamaguchi T

更新日期：2007-05-01 00:00:00

abstract：:Elongation of intact young leaves of maize was found to be dynamically dependent on soil water supply. With adequate water, elongation was remarkably constant but slowed when the water potential of the soil in pots dropped from -0.1 to -0.2 bar and stopped when it dropped to -2.5 bars. The corresponding range of leaf ...

journal_title：Plant physiology

authors： Acevedo E,Hsiao TC,Henderson DW

更新日期：1971-11-01 00:00:00

abstract：:A 3,300-bp DNA fragment encoding the carboxyl-transferase domain of the multidomain, chloroplastic acetyl-coenzyme A carboxylase (ACCase) was sequenced in aryloxyphenoxypropionate (APP)-resistant and -sensitive Alopecurus myosuroides (Huds.). No resistant plant contained an Ile-1,781-Leu substitution, previously shown...

journal_title：Plant physiology

authors： Délye C,Zhang XQ,Chalopin C,Michel S,Powles SB

更新日期：2003-07-01 00:00:00

abstract：:Norway spruce (Picea abies) forests suffer periodic fatal attacks by the bark beetle Ips typographus and its fungal associate, Ceratocystis polonica. Norway spruce protects itself against fungal and bark beetle invasion by the production of terpenoid resins, but it is unclear whether resins or other defenses are effec...

journal_title：Plant physiology

authors： Hammerbacher A,Schmidt A,Wadke N,Wright LP,Schneider B,Bohlmann J,Brand WA,Fenning TM,Gershenzon J,Paetz C

更新日期：2013-07-01 00:00:00

abstract：:The specific activity of phosphoenolpyruvate (PEP) measured at a saturating level of substrate diminishes as the enzyme is diluted at about the same rate that specific light scattering by the diluted enzyme decreases. The presence of PEP in the assay causes an increase in activity with increasing dilution. This is acc...

journal_title：Plant physiology

authors： Willeford KO,Wedding RT

更新日期：1992-06-01 00:00:00

abstract：:Eighty-five cDNA clones for gamma-zein (proline-rich zein) from a cDNA expression library were isolated using specific antibody and cDNA probes. Nucleotide sequences of seven independent clones were determined and found to be identical in regions where they overlapped. The primary structure of the mature protein, dete...

journal_title：Plant physiology

authors： Wang SZ,Esen A

更新日期：1986-05-01 00:00:00

abstract：:Cyclic nucleotide-gated channels (CNGCs) have been implicated in diverse aspects of plant growth and development, including responses to biotic and abiotic stress, as well as pollen tube growth and fertility. Here, genetic evidence identifies CNGC16 in Arabidopsis (Arabidopsis thaliana) as critical for pollen fertilit...

journal_title：Plant physiology

authors： Tunc-Ozdemir M,Tang C,Ishka MR,Brown E,Groves NR,Myers CT,Rato C,Poulsen LR,McDowell S,Miller G,Mittler R,Harper JF

更新日期：2013-02-01 00:00:00

abstract：:Long term feeding of acetate-2-(14)C, (14)CO(2), citrate-1,5-(14)C, fumarate-2,3-(14)C, and succinate-2,3-(14)C to mung bean (Phaseolus aureus L. var. Mungo) leaves in the dark gave labeling predominantly in tricarboxylic acid cycle intermediates. Kinetics of the intermediates during dark/light/dark transitions showed...

journal_title：Plant physiology

authors： Chapman EA,Graham D

更新日期：1974-06-01 00:00:00

abstract：:Hybrids between the C(4)-like species, Flaveria brownii, A. M. Powell and the C(3)-C(4) intermediate species Flaveria linearis Lag., Flaveria floridana Johnston, and Flaveria oppositifolia (DC.) Rydb. exhibited bivalent chromosome pairing during meiosis and stainability of pollen was high, ranging from 51 to 95%. An F...

journal_title：Plant physiology

authors： Huber WE,Brown RH,Bouton JH,Sternberg LO

更新日期：1989-03-01 00:00:00

abstract：:The amination of alpha-ketoglutarate (alpha-KG) by NADH-glutamate dehydrogenase (GDH) obtained from Sephadex G-75 treated crude extracts from shoots of 5-day-old seedlings was stimulated by the addition of Ca(2+). The NADH-GDH purified 161-fold with ammonium sulfate, DEAE-Toyopearl, and Sephadex G-200 was also activat...

journal_title：Plant physiology

authors： Yamaya T,Oaks A,Matsumoto H

更新日期：1984-12-01 00:00:00

abstract：:Exposure of dark grown resting Euglena to ethanol produced a transient increase in the specific activity of the glyoxysomal enzyme malate synthase. Enzyme specific activity increased during the first 24 hours of ethanol treatment and then declined. Light exposure or malate addition failed to increase enzyme specific a...

journal_title：Plant physiology

authors： Horrum MA,Schwartzbach SD

更新日期：1981-08-01 00:00:00

abstract：:Two benzoyl-l-tyrosine p-nitroanilide hydrolases (BTPAases I and II) were purified from the etiolated leaves of Zea mays L. and characterized. BTPAase I was electrophoretically homogeneous and consisted of two identical subunits having a molecular weight of 53,000. The molecular weight of BTPAase II was 65,000. The Mi...

journal_title：Plant physiology

authors： Doi M,Shioi Y

更新日期：1987-07-01 00:00:00

abstract：:The Dof (DNA binding with one finger) transcriptional activator rice (Oryza sativa) prolamin box binding factor (RPBF), which is involved in gene regulation of rice seed storage proteins, has been isolated from rice cDNA expressed sequence tag clones containing the conserved Dof. RPBF is found as a single gene per hap...

journal_title：Plant physiology

authors： Yamamoto MP,Onodera Y,Touno SM,Takaiwa F

更新日期：2006-08-01 00:00:00

abstract：:The H(+)-ATPase of tonoplast vesicles isolated from red beet (Beta vulgaris L.) storage tissue was studied with respect to the kinetic effects of Cl(-) and NO(3) (-). N-Ethylmaleimide (NEM) was employed as a probe to investigate substrate binding and gross conformational changes of the enzyme. Chloride decreased the K...

journal_title：Plant physiology

authors： Griffith CJ,Rea PA,Blumwald E,Poole RJ

更新日期：1986-05-01 00:00:00

abstract：:Oleate-dependent phospholipase D (PLD; EC 3.1.4.4) has been reported in animal systems, but its molecular nature is unkown. Multiple PLDs have been characterized in plants, but none of the previously cloned PLDs exhibits the oleate-activated activity. Here, we describe the biochemical and molecular identification and ...

journal_title：Plant physiology

authors： Wang C,Wang X

更新日期：2001-11-01 00:00:00

abstract：:In many flowering plants, xyloglucan is a major component of primary cell walls, where it plays an important role in growth regulation. Xyloglucan can be degraded by a suite of exoglycosidases that remove specific sugars. In this work, we show that the xyloglucan backbone, formed by (1→4)-linked β-d-glucopyranosyl res...

journal_title：Plant physiology

authors： Sampedro J,Valdivia ER,Fraga P,Iglesias N,Revilla G,Zarra I

更新日期：2017-02-01 00:00:00

abstract：:The 2- to 4-fold rise in particle-bound beta-glucan synthetase (uridine diphosphate-glucose: beta-1, 4-glucan glucosyltransferase) activity that can be induced by indoleacetic acid in pea stem tissue is not prevented by concentrations of actinomycin D or cycloheximide that inhibit growth and macromolecule synthesis. T...

journal_title：Plant physiology

authors： Ray PM

更新日期：1973-04-01 00:00:00

abstract：:The secretion of alpha-amylase from single isolated (Hordeum vulgare L. cv Himalaya) aleurone layers was studied in an automated flow-through apparatus. The apparatus, consisting of a modified sample analyzer linked to a chart recorder, automatically samples the flow-through medium at 1 minute intervals and assays for...

journal_title：Plant physiology

authors： Moll BA,Jones RL

更新日期：1982-10-01 00:00:00

abstract：:Purified potato tuber (Solanum tuberosum L. cv Bintie) mitochondria contain soluble, highly latent NAD(+)- and NADP(+)-isocitrate dehydrogenases, NAD(+)- and NADP(+)-malate dehydrogenases, as well as an NADPH-specific glutathione reductase (160, 25, 7200, 160, and 16 nanomoles NAD(P)H per minute and milligram protein,...

journal_title：Plant physiology

authors： Rasmusson AG,Møller IM

更新日期：1990-11-01 00:00:00

abstract：:Metabolism of [(14)C]gibberellin (GA) A(12) (GA(12)) and [(14)C]gibberellin A(12)-aldehyde (GA(12)-aldehyde) was examined in cotyledons and seed coats from developing seeds of pea (Pisum sativum L.). Both were metabolized to only 13-hydroxylated GAs in cotyledons but to 13-hydroxylated and non-13-hydroxylated GAs in s...

journal_title：Plant physiology

authors： Zhu YX,Davies PJ,Halinska A

更新日期：1991-09-01 00:00:00

abstract：:We report the molecular characterization and functional analysis of a gene (PsdeltaOAT) from Scots pine (Pinus sylvestris) encoding Orn-delta-aminotransferase (delta-OAT; EC 2.6.1.13), an enzyme of arginine metabolism. The deduced amino acid sequence contains a putative N-terminal signal peptide for mitochondrial targ...

journal_title：Plant physiology

authors： Cañas RA,Villalobos DP,Díaz-Moreno SM,Cánovas FM,Cantón FR

更新日期：2008-09-01 00:00:00

abstract：:In air largely freed from CO(2), senescence of isolated oat (Avena sativa cv Victory) seedling leaves is no longer prevented by white light; instead, the leaves lose both chlorophyll and protein as rapidly as in the dark. Senescence in light is also accelerated in pure O(2), but it is greatly delayed in N(2); 100% N(2...

journal_title：Plant physiology

authors： Satler SO,Thimann KV

更新日期：1983-01-01 00:00:00

abstract：:Soybean plants (Glycine max var. Ransom) were grown at light intensities of 850 and 250 mueinsteins m(-2) sec(-1) of photosynthetically active radiation. A group of plants was shifted from each environment into the other environment 24 hours before the beginning of the experiment. Net photosynthetic rates and stomatal...

journal_title：Plant physiology

authors： Bunce JA,Patterson DT,Peet MM

更新日期：1977-08-01 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：:The protein synthesis elongation factor 1A (eEF1A) is a multifunctional protein in eukaryotic cells. In maize (Zea mays L.) endosperm eEF1A co-localizes with actin around protein bodies, and its accumulation is highly correlated with the protein-bound lysine (Lys) content. We purified eEF1A from maize kernels by ammon...

journal_title：Plant physiology

authors： Sun Y,Carneiro N,Clore AM,Moro GL,Habben JE,Larkins BA

更新日期：1997-11-01 00:00:00

abstract：:The biosynthesis of the chlorophyll a/b binding protein associated with photosystem II (LHC-II) was characterized during light-induced greening of etiolated barley (Hordeum vulgare [L.] cv Boone), maize (Zea mays [L.] Pioneer 3148), pea (Pisum sativum [L.] cv Progress 9), and soybean (Glycine max [L.] Merr. cv Ransom ...

journal_title：Plant physiology

authors： Mathis JN,Burkey KO

更新日期：1987-12-01 00:00:00

abstract：:It has been suggested by others that the spectrophotometric assay of phenylalanine ammonia-lyase based on changes in absorbance at 290 nm may be complicated by a side reaction involving transamination from phenylalanine onto alpha-keto acids. This would lead to the production of phenylpyruvate which would spontaneousl...

journal_title：Plant physiology

authors： Saunders JA,McClure JW

更新日期：1974-09-01 00:00:00