Small kernel2 Encodes a Glutaminase in Vitamin B6 Biosynthesis Essential for Maize Seed Development.

abstract：:A rapid and simple, large-scale method for the purification of DNA-dependent RNA polymerase III (EC 2.7.7.6) from wheat germ is presented. The method involves enzyme extraction at low ionic strength, polyethyleneimine fractionation, (NH(4))(2)SO(4) precipitation, and chromatography on DEAE-Sepharose CL-6B, DEAE-cellul...

journal_title：Plant physiology

authors： Jendrisak J

更新日期：1981-03-01 00:00:00

abstract：:We have isolated a starch mutant that was deficient in starch-branching enzyme I (BEI) from the endosperm mutant stocks of rice (Oryza sativa) induced by the treatment of fertilized egg cells with N-methyl-N-nitrosourea. The deficiency of BEI in this mutant was controlled by a single recessive gene, tentatively design...

journal_title：Plant physiology

authors： Satoh H,Nishi A,Yamashita K,Takemoto Y,Tanaka Y,Hosaka Y,Sakurai A,Fujita N,Nakamura Y

更新日期：2003-11-01 00:00:00

abstract：:The breakdown of sucrose to feed both hexoses into glycolytic carbon flow can occur by the sucrose synthase pathway. This uridine diphosphate (UDP) and pyrophosphate (PPi)-dependent pathway was biochemically characterized using soluble extracts from several plants. The sucrolysis process required the simultaneous pres...

journal_title：Plant physiology

authors： Xu DP,Sung SJ,Loboda T,Kormanik PP,Black CC

更新日期：1989-06-01 00:00:00

abstract：:Plantacyanins belong to the phytocyanin family of blue copper proteins. In the Arabidopsis (Arabidopsis thaliana) genome, only one gene encodes plantacyanin. The T-DNA-tagged mutant is a knockdown mutant that shows no visible phenotype. We used both promoter-beta-glucuronidase transgenic plants and immunolocalization ...

journal_title：Plant physiology

authors： Dong J,Kim ST,Lord EM

更新日期：2005-06-01 00:00:00

abstract：:To study the role of the plastidial alpha-glucan phosphorylase in starch metabolism in the leaves of Arabidopsis, two independent mutant lines containing T-DNA insertions within the phosphorylase gene were identified. Both insertions eliminate the activity of the plastidial alpha-glucan phosphorylase. Measurement of o...

journal_title：Plant physiology

authors： Zeeman SC,Thorneycroft D,Schupp N,Chapple A,Weck M,Dunstan H,Haldimann P,Bechtold N,Smith AM,Smith SM

更新日期：2004-06-01 00:00:00

abstract：:Polyacrylamide gel electrophoresis and electron microscopy revealed that accumulation of iron-protein in soybean nodules is influenced by nodule age, mutation in bradyrhizobia, and rhizobial/bradyrhizobial strain-soybean cultivar interactions. Iron-protein concentrations (micrograms per milligram protein) were inverse...

journal_title：Plant physiology

authors： Ko MP,Huang PY,Huang JS,Barker KR

更新日期：1987-02-01 00:00:00

abstract：:Cysthathionine [gamma]-synthase (CS), an enzyme involved in methionine biosynthesis, was purified from an acetone powder prepared from wheat (Triticum aestivum L.). After several chromatographic steps and radiolabeling of the partially purified enzyme with sodium cyanoboro[3H]hydride, a single polypeptide with a molec...

journal_title：Plant physiology

authors： Kreft BD,Townsend A,Pohlenz HD,Laber B

更新日期：1994-04-01 00:00:00

abstract：:Pectin methylesterase (PME) controls the methylesterification status of pectins and thereby determines the biophysical properties of plant cell walls, which are important for tissue growth and weakening processes. We demonstrate here that tissue-specific and spatiotemporal alterations in cell wall pectin methylesterif...

journal_title：Plant physiology

authors： Scheler C,Weitbrecht K,Pearce SP,Hampstead A,Büttner-Mainik A,Lee KJ,Voegele A,Oracz K,Dekkers BJ,Wang X,Wood AT,Bentsink L,King JR,Knox JP,Holdsworth MJ,Müller K,Leubner-Metzger G

更新日期：2015-01-01 00:00:00

abstract：:Nitrate reductase (NR) is the first enzyme in nitrate assimilation, a critical process for plant survival. The regulation of NR gene expression is complex, involving both internal and external factors. Of these, nitrate induction of NR gene expression has been studied most extensively and is well conserved among bacte...

journal_title：Plant physiology

authors： Lin Y,Hwang CF,Brown JB,Cheng CL

更新日期：1994-10-01 00:00:00

abstract：:In angiosperms, auxin phytohormones play a crucial regulatory role in fruit initiation. The expression of auxin biosynthesis genes in ovules and placenta results in uncoupling of tomato (Solanum lycopersicum) fruit development from fertilization with production of parthenocarpic fruits. We have identified two newly de...

journal_title：Plant physiology

authors： Molesini B,Pandolfini T,Rotino GL,Dani V,Spena A

更新日期：2009-01-01 00:00:00

abstract：:The lipid and protein composition of the plasma membrane isolated from mulberry (Morus bombycis Koidz.) bark cells was analyzed throughout the cold acclimation period under natural and controlled environment conditions. There was a significant increase in phospholipids and unsaturation of their fatty acids during cold...

journal_title：Plant physiology

authors： Yoshida S

更新日期：1984-09-01 00:00:00

abstract：:Measurements were made of (45)Ca influx into isolated internodal cells of Chara corallina and also into internodal cells of intact plants. (45)Ca influx was closely related to growth. In rapidly expanding internodal cells, the influx was approximately 1.4 nmol m(-2) s(-1) compared to the influx in mature cells from sl...

journal_title：Plant physiology

authors： Reid RJ,Smith FA

更新日期：1992-10-01 00:00:00

abstract：:Strigolactones, recently discovered as plant hormones, regulate the development of different plant parts. In the root, they regulate root architecture and affect root hair length and density. Their biosynthesis and exudation increase under low phosphate levels, and they are associated with root responses to these cond...

journal_title：Plant physiology

authors： Kapulnik Y,Koltai H

更新日期：2014-10-01 00:00:00

abstract：:Foliar applications of 2 milligrams per liter of 2-chloro-4,6-bis (ethylamino)-s-triazine, 2-methylmercapto-4-ethylamino-6-isobutylamino-s-triazine, and 2-methoxy-4-isopropylamino-6-butylamino-s-triazine caused increases in the activities of starch phosphorylase, pyruvate kinase, cytochrome oxidase, and glutamate dehy...

journal_title：Plant physiology

authors： Wu MT,Singh B,Salunkhe DK

更新日期：1971-11-01 00:00:00

abstract：:The initial rate of Ca2+ movement across the inner-envelope membrane of pea (Pisum sativum L.) chloroplasts was directly measured by stopped-flow spectrofluorometry using membrane vesicles loaded with the Ca2+-sensitive fluorophore fura-2. Calibration of fura-2 fluorescence was achieved by combining a ratiometric meth...

journal_title：Plant physiology

authors： Roh MH,Shingles R,Cleveland MJ,McCarty RE

更新日期：1998-12-01 00:00:00

abstract：:Sperm cells have been isolated from pollen tubes growing in style segments of the dicotlyledon Rhododendron macgregoriae and the monocotyledon Gladiolus gandavensis by the in vivo/in vitro method at various stages of fertilization. Pollen tubes emerged from the cut end of the style into agar medium, and more than 95% ...

journal_title：Plant physiology

authors： Shivanna KR,Xu H,Taylor P,Knox RB

更新日期：1988-07-01 00:00:00

abstract：:When tobacco (Nicotiana tabacum L. var. Virginia Gold) plants were pretreated with Na ((22)Na) several days before detopping, from 2.3 to 4.9% of Na previously accumulated in roots appeared in the xylem exudate in 7 days after detopping. Na from the external medium, however, was readily transported to the exudate. Mor...

journal_title：Plant physiology

authors： Wallace A,Abou-Zamzam AM,Mueller RT

更新日期：1972-09-01 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：:The Mg-nucleoside triphosphatase activity associated with the inner envelope membrane of the pea chloroplast is comprised of at least two components, a major activity that is sensitive to vanadate and sodium fluoride and a minor insensitive activity. The vanadate/fluoride sensitive activity has been partially purified...

journal_title：Plant physiology

authors： McCarty DR,Selman BR

更新日期：1986-04-01 00:00:00

abstract：:4,6-Dioxoheptanoic acid (DA), an inhibitor of 5-aminolevulinic acid (ALA) dehydratase (EC 4.3.1.24), causes ALA to accumulate at the expense of chlorophyll when applied to greening leaves of Hordeum vulgare L. var. Larker. Preincubating etiolated leaves with DA in darkness eliminates the lag phase in ALA accumulation ...

journal_title：Plant physiology

authors： Meller E,Gassman ML

更新日期：1981-06-01 00:00:00

abstract：:The FAD7 gene is expressed preferentially in the chlorophyllous tissues of unwounded plants. Wounding activates the expression of the FAD7 gene not only in chlorophyllous tissues, but also in nonchlorophyllous tissues of stems and roots. Our previous study suggested that wound-responsive transcriptional activation by ...

journal_title：Plant physiology

authors： Nishiuchi T,Kodama H,Yanagisawa S,Iba K

更新日期：1999-12-01 00:00:00

abstract：:In plants, the excess of several heavy metals mimics iron (Fe) deficiency-induced chlorosis, indicating a disturbance in Fe homeostasis. To examine the level at which heavy metals interfere with Fe deficiency responses, we carried out an in-depth characterization of Fe-related physiological, regulatory, and morphologi...

journal_title：Plant physiology

authors： Lešková A,Giehl RFH,Hartmann A,Fargašová A,von Wirén N

更新日期：2017-07-01 00:00:00

abstract：:We investigated the synthesis and turnover of cell wall polysaccharides of the flax (Linum usitatissimum L.) plant during development of the phloem fibers. One-month-old flax plants were exposed to a 40-min pulse with 14CO2 followed by 8-h, 24-h, and 1-month periods of chase with ambient CO2, and radioactivity in cell...

journal_title：Plant physiology

authors： Gorshkova TA,Chemikosova SB,Lozovaya VV,Carpita NC

更新日期：1997-06-01 00:00:00

abstract：:Although Arabidopsis is well established as the premiere model species in plant biology, rice (Oryza sativa) is moving up fast as the second-best model organism. In addition to the availability of large sets of genetic, molecular, and genomic resources, two features make rice attractive as a model species: it represen...

journal_title：Plant physiology

authors： Rensink WA,Buell CR

更新日期：2004-06-01 00:00:00

abstract：:A method has been developed to measure concentrations of CO(2) in gases rapidly. A gas sample is injected into a flowing carrier gas that passes through an infrared CO(2) analyzer. A strip chart recorded peak response is obtained which is proportional to the CO(2) concentration. A resolution of better than 2 microlite...

journal_title：Plant physiology

authors： Clegg MD,Sullivan CY,Eastin JD

更新日期：1978-12-01 00:00:00

abstract：:CTF7 is an essential gene in yeast that is required for the formation of sister chromatid cohesion. While recent studies have provided insights into how sister chromatid cohesion is established, less is known about how specifically CTF7 facilitates the formation of cohesion, and essentially nothing is known about how ...

journal_title：Plant physiology

authors： Jiang L,Yuan L,Xia M,Makaroff CA

更新日期：2010-10-01 00:00:00

abstract：:The photosynthetic potential of leaves and chloroembryos of Cyamopsis tetragonoloba (L.) Taub as measured by (14)C-bicarbonate fixation, Hill activity, and in vivo fluorescence transients is compared. On a chlorophyll basis, dark fixation of NaH(14)CO(3) in chloroembryos was 1.5 times higher than that of the leaf, whe...

journal_title：Plant physiology

authors： Kaladharan P,Vivekanandan M

更新日期：1990-02-01 00:00:00

abstract：:A lipid-bound oligosaccharide was isolated from pea (Pisum sativum) cotyledons incubated with [(14)C]mannose. The oligosaccharide moiety appeared to be identical with the one obtained from rat liver, known to contain three glucoses, nine mannoses, and two N-acetylglucosamines, and to be involved in protein glycosylati...

journal_title：Plant physiology

authors： Staneloni RJ,Tolmasky ME,Petriella C,Leloir LF

更新日期：1981-11-01 00:00:00

abstract：:Combined gas chromatography-mass spectrometry has been used to identify indole-3-methanol in a purified buffer extract from etiolated seedlings of Pinus sylvestris L. Quantitative estimates obtained by high performance liquid chromatography with fluorescence detection, corrected for losses occurring during purificatio...

journal_title：Plant physiology

authors： Sundberg B,Sandberg G,Jensen E

更新日期：1985-04-01 00:00:00

abstract：:The major fatty acids (16 and 18 carbons) in leaves, flowers, and seeds of Nicotiana tabacum L. cv. Catterton have been analyzed at various intervals during the growth period. From the pattern of their accumulation and relative distribution, it was found that A) the amount of fatty acids in upper young leaves attained...

journal_title：Plant physiology

authors： Chu H,Tso TC

更新日期：1968-03-01 00:00:00