Effects of univalent cations on the activity of particulate starch synthetase.

abstract：:Pea seeds (Pisum sativum L. ;Alaska') with intact seedcoats (WC) and with seedcoats removed (WOC) were soaked in distilled water for 24 hours at 20 degrees . The water, containing the pea diffusate, was decanted after the second, fourth, sixth, eighth, twelfth, and twenty-fourth hour and analyzed for total nitrogen, a...

journal_title：Plant physiology

authors： Larson LA

更新日期：1968-02-01 00:00:00

abstract：:Subsequent production of amylase is severely inhibited if barban [4-chloro-2-butynyl N-(3-chlorophenyl) carbamate] is added to embryo-free half seeds of barley within 4 to 5 hours after gibberellic acid treatment of these seeds. Thirty to 50 mg/L concentrations of barban are effective. Barban inhibition is non-competi...

journal_title：Plant physiology

authors： Yung KH,Mann JD

更新日期：1967-02-01 00:00:00

abstract：:Maize (Zea mays) leaves provide a useful system to study how proximal/distal patterning is established because of the distinct tissues found in the distal blade and the proximal sheath. Several mutants disrupt this pattern, including the dominant knotted1-like homeobox (knox) mutants. knox genes encode homeodomain pro...

journal_title：Plant physiology

authors： Ramirez J,Bolduc N,Lisch D,Hake S

更新日期：2009-12-01 00:00:00

abstract：:Root size and architecture are important crop plant traits, as they determine access to water and soil nutrients. The plant hormone cytokinin is a negative regulator of root growth and branching. Here, we generated transgenic barley (Hordeum vulgare) plants with an enlarged root system by enhancing cytokinin degradati...

journal_title：Plant physiology

authors： Ramireddy E,Hosseini SA,Eggert K,Gillandt S,Gnad H,von Wirén N,Schmülling T

更新日期：2018-07-01 00:00:00

abstract：:Soybean cell suspension cultures grew on defined media with ammonium as the sole nitrogen source if Krebs cycle acids were added. Satisfactory growth was obtained with ammonium salts of citrate, malate, fumarate, or succinate, when compared with the regular medium containing nitrate and ammonium. Little or no growth o...

journal_title：Plant physiology

authors： Gamborg OL,Shyluk JP

更新日期：1970-05-01 00:00:00

abstract：:Truncated transcription factor-like proteins called microProteins (miPs) can modulate transcription factor activities, thereby increasing transcriptional regulatory complexity. To understand their prevalence, evolution, and function, we predicted over 400 genes that encode putative miPs from Arabidopsis (Arabidopsis t...

journal_title：Plant physiology

authors： Magnani E,de Klein N,Nam HI,Kim JG,Pham K,Fiume E,Mudgett MB,Rhee SY

更新日期：2014-05-01 00:00:00

abstract：:Reduction of Cu2+ by plasma membrane vesicles isolated from tomato (Lycopersicon esculentum Mill.) roots was investigated. Plants were grown in hydroponic culture with complete nutrition for 4 weeks or were deprived of Fe for the last 7 d. Plasma membrane vesicles were prepared by aqueous two-phase partitioning. Reduc...

journal_title：Plant physiology

authors： Holden MJ,Crimmins TJ Jr,Chaney RL

更新日期：1995-07-01 00:00:00

abstract：:In pea stem segments whose cuticle has been made permeable by abrading it, actinomycin D (ActD) and 80S ribosomal protein synthesis inhibitors such as cycloheximide (CHI) inhibit enhancement by indole 3-acetic acid (IAA) of the activity of the cell wall biosynthetic enzyme, glucan synthase I (GS). This supersedes earl...

journal_title：Plant physiology

authors： Ray PM

更新日期：1987-10-01 00:00:00

abstract：:To define the functions of genes previously identified by expression profiling as being rapidly light induced under phytochrome (phy) control, we are investigating the seedling de-etiolation phenotypes of mutants carrying T-DNA insertional disruptions at these loci. Mutants at one such locus displayed reduced responsi...

journal_title：Plant physiology

authors： Khanna R,Kikis EA,Quail PH

更新日期：2003-12-01 00:00:00

abstract：:The relationship between loss of ribulose-1,5-bisphosphate carboxylase (RuBPCase) and the decline in photosynthesis during the senescence of barley primary leaves was assessed. Loss of RuBPCase accounted for about 85% of the decrease in soluble protein. RuBPCase was highly correlated with in vitro RuBPCase activity (r...

journal_title：Plant physiology

authors： Friedrich JW,Huffaker RC

更新日期：1980-06-01 00:00:00

abstract：:The problem of determining gas exchange rates from flow system data under nonsteady state conditions is analyzed. A correction factor is presented for obtaining constant rates under nonsteady state conditions. A general formula for obtaining any rate under nonsteady state conditions is also given. Turnover time is def...

journal_title：Plant physiology

authors： Marynick DS

更新日期：1975-11-01 00:00:00

abstract：:The role of iron in regulating light harvesting and photochemical energy conversion processes was examined in the marine unicellular chlorophyte Dunaliella tertiolecta and the marine diatom Phaeodactylum tricornutum. In both species, iron limitation led to a reduction in cellular chlorophyll concentrations, but an inc...

journal_title：Plant physiology

authors： Greene RM,Geider RJ,Kolber Z,Falkowski PG

更新日期：1992-10-01 00:00:00

abstract：:Chimeric constructs containing the promoter and upstream sequences of Ha hsp17.6 G1, a small heat shock protein gene, reproduced in transgenic tobacco (Nicotiana tabacum) its unique seed-specific expression patterns previously reported in sunflower. These constructs did not respond to heat shock, but were expressed wi...

journal_title：Plant physiology

authors： Carranco R,Almoguera C,Jordano J

更新日期：1999-11-01 00:00:00

abstract：:In plants, photoreceptors transfer light signals to phytochrome-interacting factors (PIFs), inducing the rapid phosphorylation and degradation of PIFs to promote photomorphogenesis. However, the phosphatase responsible for PIF dephosphorylation remains unknown. In this study, we identified a type 1 protein phosphatase...

journal_title：Plant physiology

authors： Yue J,Qin Q,Meng S,Jing H,Gou X,Li J,Hou S

更新日期：2016-03-01 00:00:00

abstract：:[(14)C]butyl gallate was used in binding studies to investigate the cyanide-resistant respiratory pathway in mitochondria isolated from a variety of sources displaying varying levels of cyanide resistance. Highly cyanide-resistant mitochondria were isolated from aroid spadices, while moderately cyanide-resistant mitoc...

journal_title：Plant physiology

authors： Stegink SJ,Siedow JN

更新日期：1986-01-01 00:00:00

abstract：:Plant mutants for genes encoding subunits of mitochondrial complex I (CI; NADH:ubiquinone oxidoreductase), the first enzyme of the respiratory chain, display various phenotypes depending on growth conditions. Here, we examined the impact of photoperiod, a major environmental factor controlling plant development, on tw...

journal_title：Plant physiology

authors： Pétriacq P,de Bont L,Genestout L,Hao J,Laureau C,Florez-Sarasa I,Rzigui T,Queval G,Gilard F,Mauve C,Guérard F,Lamothe-Sibold M,Marion J,Fresneau C,Brown S,Danon A,Krieger-Liszkay A,Berthomé R,Ribas-Carbo M,Tcherkez

更新日期：2017-01-01 00:00:00

abstract：:The use of only the upper part of the hypocotyl and the cotyledons in the Amaranthus tricolor bioassay for cytokinins, instead of the whole seedling, was found to reduce the endogenous response and give a higher benzyladenine-dependent response. There is no marked difference in the uptake or metabolism of benzyladenin...

journal_title：Plant physiology

authors： Elliott DC

更新日期：1979-02-01 00:00:00

abstract：:Apical senescence but not flower initiation is delayed by short days (SD) compared to long days (LD) in pea plants (Pisum sativum L.) of genotype E Sn Hr. We recently reported that delay of senescence correlated with slower reproductive development, suggesting that fruits are weaker sinks for assimilates under delayed...

journal_title：Plant physiology

authors： Kelly MO,Davies PJ

更新日期：1988-03-01 00:00:00

abstract：:Spontaneous growth of isolated inner tissue from the etiolated sunflower (Helianthus annuus L.) hypocotyl growing zone was investigated. A new preparation technique allowed measurements starting 3 s after excision. Elongation with respect to the turgescent and plasmolized state was quantified in terms of relative grow...

journal_title：Plant physiology

authors： Peters WS,Tomos AD

更新日期：2000-06-01 00:00:00

abstract：:Three fractions (male germ unit [MGU]-rich, cytoplasmic-particulate and water-soluble proteins) were isolated from pollen of Plumbago zeylanica L. Proteins were extracted using a phenol procedure and polypeptide patterns were compared on one- and two-dimensional polyacrylamide gels. The MGU-rich fraction contains the ...

journal_title：Plant physiology

authors： Geltz NR,Russell SD

更新日期：1988-11-01 00:00:00

abstract：:Unlike mammals, whose development is limited to a short temporal window, plants produce organs de novo throughout their lifetime in order to adapt their architecture to the prevailing environmental conditions. The production of lateral roots represents one example of such postembryonic organogenesis. An endogenous dev...

journal_title：Plant physiology

authors： Richter GL,Monshausen GB,Krol A,Gilroy S

更新日期：2009-12-01 00:00:00

abstract：:Ecophysiological models predict quantitative traits of one genotype in any environment, whereas quantitative trait locus (QTL) models predict the contribution of alleles to quantitative traits under a limited number of environments. We have combined both approaches by dissecting into effects of QTLs the parameters of ...

journal_title：Plant physiology

authors： Reymond M,Muller B,Leonardi A,Charcosset A,Tardieu F

更新日期：2003-02-01 00:00:00

abstract：:The occurrence of a photorespiratory 2-phosphoglycolate metabolism in cyanobacteria is not clear. In the genome of the cyanobacterium Synechocystis sp. strain PCC 6803, we have identified open reading frames encoding enzymes homologous to those forming the plant-like C2 cycle and the bacterial-type glycerate pathway. ...

journal_title：Plant physiology

authors： Eisenhut M,Kahlon S,Hasse D,Ewald R,Lieman-Hurwitz J,Ogawa T,Ruth W,Bauwe H,Kaplan A,Hagemann M

更新日期：2006-09-01 00:00:00

abstract：:The ambient light environment controls many aspects of plant development throughout a plant's life cycle. Such complex control is achieved because a key repressor of light signaling, the Arabidopsis (Arabidopsis thaliana) COP1/SPA E3 ubiquitin ligase causes the degradation of multiple regulators of endogenous developm...

journal_title：Plant physiology

authors： Ordoñez-Herrera N,Trimborn L,Menje M,Henschel M,Robers L,Kaufholdt D,Hänsch R,Adrian J,Ponnu J,Hoecker U

更新日期：2018-02-01 00:00:00

abstract：:By using immunofluorescence microscopy, we observed rapidly altered distribution patterns of cell wall pectins in meristematic cells of maize (Zea mays) and wheat (Triticum aestivum) root apices. This response was shown for homogalacturonan pectins characterized by a low level (up to 40%) of methylesterification and f...

journal_title：Plant physiology

authors： Yu Q,Hlavacka A,Matoh T,Volkmann D,Menzel D,Goldbach HE,Baluska F

更新日期：2002-09-01 00:00:00

abstract：:Four enzyme activities catalyzing the following oxidative steps in the gibberellin (GA) biosynthetic pathway have been extracted from spinach (Spinacia oleracea L.) leaves after exposure to 8 long days: GA(12) --> GA(53) --> GA(44) --> GA(19) --> GA(20). Two of these, GA(53) oxidase and GA(19) oxidase, were separable ...

journal_title：Plant physiology

authors： Gilmour SJ,Bleecker AB,Zeevaart JA

更新日期：1987-09-01 00:00:00

abstract：:In the last few years, much attention has been given to the role of proteins that accumulate during water deficit. In this work, we analyzed the electrophoretic patterns of basic protein extracts, enriched for a number of cell-wall proteins, from bean (Phaseolus vulgaris L.) seedlings and 21-d-old plants subjected to ...

journal_title：Plant physiology

authors： Covarrubias AA,Ayala JW,Reyes JL,Hernandez M,Garciarrubio A

更新日期：1995-04-01 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：:The term "bound auxin" is herein used to describe auxin conjugates insoluble in organic solvents which dissolve indoleacetic acid (IAA) and its derivatives, but hydrolyzable by NaOH to release IAA. Bound auxin from pea stems was fractionated into water-soluble, water-insoluble/NaOH-hydrolyzable, and insoluble componen...

journal_title：Plant physiology

authors： Davies PJ

更新日期：1976-02-01 00:00:00

abstract：:The mode of abscisic acid (ABA) uptake was studied in excised leaf and root tissue discs of sugar beet (Beta vulgaris L.). Discs were incubated in buffered medium that contained 1 mm CaCl(2) and [(14)C]ABA. The sensitivity of ABA uptake to metabolic inhibitors and temperature indicated that the ABA transport system ha...

journal_title：Plant physiology

authors： Daie J,Wyse R

更新日期：1983-06-01 00:00:00