Galactonolactone dehydrogenase requires a redox-sensitive thiol for optimal production of vitamin C.

abstract：:A bioassay to measure the incorporation of [(14)C]leucine into acid-precipitable polymers of suspension-cultured sycamore (Acer pseudoplatanus L.) cells is described. Using this assay, cell wall fragments solubilized from sycamore cell walls by partial acid hydrolysis are shown to contain components that inhibit the i...

journal_title：Plant physiology

authors： Yamazaki N,Fry SC,Darvill AG,Albersheim P

更新日期：1983-07-01 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：:Myrosinase is regarded as a defense-related enzyme in the Brassicaceae and is capable of hydrolyzing glucosinolates into various compounds, some of which are toxic. Several myrosinase isoenzymes exist, and some of them have been found in association with nonmyrosinase proteins. One of these associated proteins, myrosi...

journal_title：Plant physiology

authors： Taipalensuu J,Falk A,Rask L

更新日期：1996-02-01 00:00:00

abstract：:Regulation of apoplastic NH4+ concentration in leaves of oilseed rape (Brassica napus L.) was studied using a vacuum-infiltration technique that allowed controlled manipulations of the apoplastic solution. In leaves infiltrated with NH4+-free solution, the apoplastic NH4+ concentration returned in less than 1.5 min to...

journal_title：Plant physiology

authors： Nielsen KH,Schjoerring JK

更新日期：1998-12-01 00:00:00

abstract：:Malformin and ethylene stimulate abscission of the primary leaves of Phaseolus aureus Roxb. in the dark, and abscission stimulation by both compounds is inhibited by indeleacetic acid and CO(2). Ethylene production by malformin-treated buds is stimulated within 4 hours. and up to 8 days, after treatment. Malformin-ind...

journal_title：Plant physiology

authors： Curtis RW

更新日期：1968-01-01 00:00:00

abstract：:Experiments were designed to test whether variation in percent lysine in seed proteins could be recovered in plants regenerated from callus subjected to inhibitory levels of lysine plus threonine. Anther-derived callus was subjected to 1 millimolar lysine plus threonine for three successive passages and then once to t...

journal_title：Plant physiology

authors： Schaeffer GW,Sharpe FT

更新日期：1987-06-01 00:00:00

abstract：:In flowering plant reproduction, pollen tube reception is the signaling system that results in pollen tube discharge, synergid degeneration, and successful delivery of male gametes (two sperm cells) to the site where they can fuse with female gametes (egg cell and central cell). Some molecules required for this comple...

journal_title：Plant physiology

authors： Leydon AR,Tsukamoto T,Dunatunga D,Qin Y,Johnson MA,Palanivelu R

更新日期：2015-09-01 00:00:00

abstract：:Rhizobium promoters involved in the formation of root nodules on leguminous plants are activated by flavonoids in plant root exudate. A series of Rhizobium strains which all contain the inducible Rhizobium leguminosarum nodA promoter fused to the Escherichia coli lacZ gene, and which differ only in the source of the r...

journal_title：Plant physiology

authors： Zaat SA,Wijffelman CA,Mulders IH,van Brussel AA,Lugtenberg BJ

更新日期：1988-04-01 00:00:00

abstract：:Despite generating an obvious mutant phenotype, whether the Arabidopsis (Arabidopsis thaliana) proton gradient regulation5 (pgr5) mutation influences cyclic electron transport (CET) around PSI is a topic of debate. Results of electrochromic shift analysis show that proton conductivity across the thylakoid membrane (gH...

journal_title：Plant physiology

authors： Yamamoto H,Shikanai T

更新日期：2020-09-01 00:00:00

abstract：:Glyceraldehyde 3-phosphate dehydrogenases (EC 1.2.1.12 and 1.2.1.13) have been purified from the seed, root, etiolated, and green shoot of peas (Pisum sativum). These enzymes are tetramers of 140,000 daltons, with subunits of 35,000 daltons. The enzymes differ in isoelectric point. The seed enzyme has a pI of 5.1, and...

journal_title：Plant physiology

authors： McGowan RE,Gibbs M

更新日期：1974-09-01 00:00:00

abstract：:Membrane trafficking and cytoskeletal dynamics are important cellular processes that drive tip growth in root hairs. These processes interact with a multitude of signaling pathways that allow for the efficient transfer of information to specify the direction in which tip growth occurs. Here, we show that AGD1, a class...

journal_title：Plant physiology

authors： Yoo CM,Wen J,Motes CM,Sparks JA,Blancaflor EB

更新日期：2008-08-01 00:00:00

abstract：:Accumulating evidence indicates that there is a multiplicity of cytochrome P-450 enzymes in plants. These monooxygenases are implicated in the metabolism of sterols, terpenes, gibberellins, isoflavonoids, and xenobiotics. Evidence that cytochromes P-450 are involved in the detoxification of herbicides (chlorotoluron, ...

journal_title：Plant physiology

authors： Donaldson RP,Luster DG

更新日期：1991-07-01 00:00:00

abstract：:Proanthocyanidins (PAs) are secondary metabolites that contribute to plant protection and crop quality. Persimmon (Diospyros kaki) has a unique characteristic of accumulating large amounts of PAs, particularly in its fruit. Normal astringent-type and mutant nonastringent-type fruits show different PA accumulation patt...

journal_title：Plant physiology

authors： Akagi T,Katayama-Ikegami A,Kobayashi S,Sato A,Kono A,Yonemori K

更新日期：2012-02-01 00:00:00

abstract：:The cereal aleurone layer is a model system for studying the regulation of transcription by gibberellin (GA) and abscisic acid (ABA). GA stimulates and ABA prevents the transcription of genes for alpha-amylases and other secreted hydrolytic enzymes, but how GA and ABA affect the transcription of other genes is largely...

journal_title：Plant physiology

authors： Bethke PC,Hwang YS,Zhu T,Jones RL

更新日期：2006-02-01 00:00:00

abstract：:The flavoenzyme ferredoxin-NADP+ reductase (FNR) is a member of the cellular defense barrier against oxidative damage in Escherichia coli. We evaluated the responses of chloroplast FNR to methyl viologen, a superoxide radical propagator, in wheat (Triticum aestivum L.) plants and chloroplasts. Treatments with the herb...

journal_title：Plant physiology

authors： Palatnik JF,Valle EM,Carrillo N

更新日期：1997-12-01 00:00:00

abstract：:Most dicotyledonous species respond to Fe deficiency by developing several mechanisms known as Fe-deficiency stress responses. To study the regulation of these responses, young cucumber plants (Cucumis sativus L. cv Ashley) were grown in nutrient solution for 11 d, being deprived of Fe during the last 4 or 5 d. Inhibi...

journal_title：Plant physiology

authors： Romera FJ,Alcantara E

更新日期：1994-08-01 00:00:00

abstract：:Endomembrane (endoplasmic reticulum, Golgi apparatus, plasma membrane) proteins of soybean (Glycine max) root cells are highly glycosylated. We investigated whether N-linked oligosaccharide moieties are essential for the correct intracellular transport of plant endomembrane glycoproteins. Excised roots were incubated ...

journal_title：Plant physiology

authors： Lafayette PR,Travis RL

更新日期：1989-01-01 00:00:00

abstract：:To monitor the expression of T-DNA-tagged plant genes in vivo, a collection of 20,261 transgenic lines of Arabidopsis (Columbia-0) were generated with the promoter trap vector pTluc, which carries a promoterless firefly luc (luciferase) reporter gene linked to the right T-DNA border. By detection of bioluminescence in...

journal_title：Plant physiology

authors： Alvarado MC,Zsigmond LM,Kovács I,Cséplö A,Koncz C,Szabados LM

更新日期：2004-01-01 00:00:00

abstract：:Two parental lines of Upland cotton (Gossypium hirsutum L.) plus their reciprocal F(1), F(2), and backcross populations were field-tested for environmental and genetic components of leaf diffusive resistance. Leaf resistance was measured with a diffusion porometer three times each day during 6 days in August. A large,...

journal_title：Plant physiology

authors： Roark B,Quisenberry JE

更新日期：1977-03-01 00:00:00

abstract：:Posttranslational modifications of proteins are key effectors of enzyme activity, protein interactions, targeting, and turnover rate, but despite their importance, they are still poorly understood in plants. Although numerous reports have revealed the regulatory role of protein phosphorylation in photosynthesis, vario...

journal_title：Plant physiology

authors： Lehtimäki N,Koskela MM,Mulo P

更新日期：2015-07-01 00:00:00

abstract：:When (32)P(1) was supplied as a 15-minute pulse to normal Spirodela oligorrhiza plants, the first phospholipid to become fully labeled was phosphatidic acid. Phosphatidyl glycerol reached maximum labeling before the other major phospholipids. In phosphorus-deficient plants, however, phosphatidyl glycerol became labele...

journal_title：Plant physiology

authors： Bieleski RL

更新日期：1972-05-01 00:00:00

abstract：:Endosperm halves from 3-day-old castor bean (Ricinus communis var Hale) were incubated for 30 minutes with l-[(14)C]serine, after which label was observed in ethanolamine, choline, phosphatidylserine, phosphatidylethanolamine, phosphatidylcholine, ethanolaminephosphate, and CDPethanolamine, but not in cholinephosphate...

journal_title：Plant physiology

authors： Kinney AJ,Moore TS

更新日期：1987-05-01 00:00:00

abstract：:Sodium dodecyl sulfate-polyacrylamide gel electrophoretic analysis of the starchy endosperm protein of rice (Oryza sativa L. Japonica cv Koshihikari) during seed development confirmed that storage protein begins to accumulate about 5 days after flowering. Two polypeptide groups, 22 to 23 and 37 to 39 kilodaltons, the ...

journal_title：Plant physiology

authors： Yamagata H,Sugimoto T,Tanaka K,Kasai Z

更新日期：1982-10-01 00:00:00

abstract：:Plant cytosolic lipid droplets (LDs) are covered with a layer of phospholipids and oleosin and were extensively studied before those in mammals and yeast. Oleosin has short amphipathic N- and C-terminal peptides flanking a conserved 72-residue hydrophobic hairpin, which penetrates and stabilizes the LD Oleosin is synt...

journal_title：Plant physiology

authors： Huang CY,Huang AHC

更新日期：2017-08-01 00:00:00

abstract：:Investigation on the biosynthesis of S-methyl-L-cysteine in radish leaves has shown that it is formed by the methylation of cysteine. This conclusion is based on: A) the relatively high recovery of radioactivity in methylcysteine sulfoxide after the administration of cysteine or methyl-labeled methionine to radish lea...

journal_title：Plant physiology

authors： Thompson JF,Gering RK

更新日期：1966-10-01 00:00:00

abstract：:Aluminum (Al) and proton (H⁺) tolerances are essential traits for plants to adapt to acid soil environments. In Arabidopsis (Arabidopsis thaliana), these tolerances are mediated by a zinc-finger transcription factor, SENSITIVE TO PROTON RHIZOTOXICITY1 (AtSTOP1), which regulates the transcription of multiple genes crit...

journal_title：Plant physiology

authors： Ohyama Y,Ito H,Kobayashi Y,Ikka T,Morita A,Kobayashi M,Imaizumi R,Aoki T,Komatsu K,Sakata Y,Iuchi S,Koyama H

更新日期：2013-08-01 00:00:00

abstract：:The appearance and disappearance of NADH:nitrate reductase (NR) in the leaves of corn (Zea mays L. W64A x W182E) were studied using activity assays, an enzyme-linked immunosorbent assay (ELISA) and western blotting. N-starved, etiolated corn plants were treated with nutrients containing either 35 millimolar NH(4)-nitr...

journal_title：Plant physiology

authors： Remmler JL,Campbell WH

更新日期：1986-02-01 00:00:00

abstract：:Glutathione reductase (EC 1.6.4.2) activity is present in spinach (Spinacia oleracea L.) chloroplasts. The pH dependence and substrate concentration for half-maximal rate are reported and a possible role in chloroplasts is proposed. ...

journal_title：Plant physiology

authors： Schaedle M

更新日期：1977-05-01 00:00:00

abstract：:It has been shown previously that an increase in ribulose diphosphate carboxylase activity occurs upon brief illumination of leaves of dark-grown Zea mays plants; an increase in ribose 5-phosphate isomerase occurs after prolonged illumination. Both of these responses to illumination are inhibited by chloramphenicol.Th...

journal_title：Plant physiology

authors： McMahon D,Bogorad L

更新日期：1968-02-01 00:00:00

abstract：:Arabidopsis (Arabidopsis thaliana) contains approximately 100 homeobox genes, many of which have been shown to play critical roles in various developmental processes. Here we characterize the zinc finger-homeodomain (ZF-HD) subfamily of homeobox genes, consisting of 14 members in Arabidopsis. We demonstrate that the H...

journal_title：Plant physiology

authors： Tan QK,Irish VF

更新日期：2006-03-01 00:00:00