Isolation and characterization of glutathione S-transferase isozymes from sorghum.

abstract：:Transgenic Nicotiana plumbaginifolia plants that express either a 5-fold increase or a 20-fold decrease in nitrate reductase (NR) activity were used to study the relationships between carbon and nitrogen metabolism in leaves. Under saturating irradiance the maximum rate of photosynthesis, per unit surface area, was de...

journal_title：Plant physiology

authors： Foyer CH,Lescure JC,Lefebvre C,Morot-Gaudry JF,Vincentz M,Vaucheret H

更新日期：1994-01-01 00:00:00

abstract：:Soybean seedlings were examined for the presence of mitochondrial tRNA. Tyrosyl transfer tRNAs from whole cells, from a well characterized mitochondrial preparation, and from a snake venom phosphodiesterase-treated mitochondrial preparation, were compared by reverse phase chromatography. It was concluded that none of ...

journal_title：Plant physiology

authors： Meng RL,Vanderhoef LN

更新日期：1972-08-01 00:00:00

abstract：:Rhizobia secrete nodulation (Nod) factors, which set in motion the formation of nitrogen-fixing root nodules on legume host plants. Nod factors induce several cellular responses in root hair cells within minutes, but also are essential for the formation of infection threads by which rhizobia enter the root. Based on s...

journal_title：Plant physiology

authors： Smit P,Limpens E,Geurts R,Fedorova E,Dolgikh E,Gough C,Bisseling T

更新日期：2007-09-01 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：:The interaction of tropisms is important in determining the final growth form of the plant body. In roots, gravitropism is the predominant tropistic response, but phototropism also plays a role in the oriented growth of roots in flowering plants. In blue or white light, roots exhibit negative phototropism that is medi...

journal_title：Plant physiology

authors： Kiss JZ,Mullen JL,Correll MJ,Hangarter RP

更新日期：2003-03-01 00:00:00

abstract：:We report the molecular cloning and sequence of the cDNA coding for the biotin-containing subunit of the chloroplastic acetylcoenzyme A (CoA) carboxylase (ACCase) of Arabidopsis thaliana (CAC1). The 3' end of the CAC1 sequence, coding for a peptide of 94 amino acids, which includes a putative biotinylation motif, was ...

journal_title：Plant physiology

authors： Choi JK,Yu F,Wurtele ES,Nikolau BJ

更新日期：1995-10-01 00:00:00

abstract：:Environmental stresses frequently decrease plant fertility. In Arabidopsis, the effect of salt stress on reproduction was examined using plants grown in hydroponic medium. Salt stress inhibited microsporogenesis and stamen filament elongation. Because plants grown in hydroponic media can be rapidly and transiently str...

journal_title：Plant physiology

authors： Sun K,Hunt K,Hauser BA

更新日期：2004-08-01 00:00:00

abstract：:The Ussing-Theorell equation, which provides a fundamental test for the independent passive movement of ions under conditions of nonequilibrium, has been used to assess the active and passive components of K(+) uptake by segments of pea epicotyl (Pisum sativum L. cultivar Alaska), incubated for 24 hours in both 1-fold...

journal_title：Plant physiology

authors： Macklon AE,Higinbotham N

更新日期：1970-02-01 00:00:00

abstract：:The relationship between net photosynthesis and CO(2) concentration was investigated for four species of lichen using an infrared gas analyzer operating in a closed loop system. All species showed a linear relationship at low CO(2) levels (100 microliters per liter) with CO(2) saturation levels being in excess of 400 ...

journal_title：Plant physiology

authors： Green TG,Snelgar WP

更新日期：1981-07-01 00:00:00

abstract：:The Marquillo x Kenya Farmer 1 "grass-clump" dwarf selection of Triticum aestivum L. was grown under continuous 2000 foot candle light and several regimes of alternating 16 degrees and 26 degrees temperatures combined in total cycle lengths of 6, 12, 24, or 48 hr. Plants at 26 degrees grew as normal wheat. Those expos...

journal_title：Plant physiology

authors： Mahon JD,Canvin DT

更新日期：1969-12-01 00:00:00

abstract：:The Arabidopsis (Arabidopsis thaliana) orthologs of Brca2, a protein whose mutations are involved in breast cancer in humans, were previously shown to be essential at meiosis. In an attempt to better understand the Brca2-interacting properties, we examined four partners of the two isoforms of Brca2 identified in Arabi...

journal_title：Plant physiology

authors： Dray E,Siaud N,Dubois E,Doutriaux MP

更新日期：2006-03-01 00:00:00

abstract：:Flooding is a frequently occurring environmental stress that can severely affect plant growth. This study shows that treatment of corn (Zea mays L.) seedlings with abscisic acid (ABA) increases their tolerance to anoxia 10-fold over untreated seedlings and twofold over seedlings treated with water. Corn seedlings stre...

journal_title：Plant physiology

authors： Hwang SY,Vantoai TT

更新日期：1991-10-01 00:00:00

abstract：:Serine hydroxymethyltransferase from mammalian and bacterial sources is a pyridoxal-5'-phosphate-containing enzyme, but the requirement of pyridoxal-5'-phosphate for the activity of the enzyme from plant sources is not clear. The specific activity of serine hydroxymethyltransferase isolated from mung bean (Vigna radia...

journal_title：Plant physiology

authors： Sukanya N,Vijaya M,Savithri HS,Radhakrishnan AN,Rao NA

更新日期：1991-02-01 00:00:00

abstract：:Spores of the fern Onoclea sensibilis L. normally germinate to produce two cells of unequal size. The larger cell divides to produce the familiar heart-shaped prothallus. The smaller cell elongates and differentiates into the rhizoid but normally does not divide again. Onoclea spores germinate in complete darkness. Da...

journal_title：Plant physiology

authors： Fisher RW

更新日期：1979-06-01 00:00:00

abstract：:Polysaccharide analyses of mutants link several of the glycosyltransferases encoded by the 10 CesA genes of Arabidopsis to cellulose synthesis. Features of those mutant phenotypes point to particular genes depositing cellulose predominantly in either primary or secondary walls. We used transformation with antisense co...

journal_title：Plant physiology

authors： Burn JE,Hocart CH,Birch RJ,Cork AC,Williamson RE

更新日期：2002-06-01 00:00:00

abstract：:It was previously reported that the hypernodulating soybean (Glycine max [L.] Merr.) mutants, derived from the cultivar Williams, had higher root concentration of isoflavonoid compounds (daidzein, genistein, and coumestrol) than did Williams at 9 to 12 days after inoculation with Bradyrhizobium japonicum. These compou...

journal_title：Plant physiology

authors： Cho MJ,Harper JE

更新日期：1991-08-01 00:00:00

abstract：:Enhancement phenomena in photosynthesis of the diatom Phaeodactylum tricornutum Lewin were studied by means of a Haxo oxygen electrode and 2 monochromatic light beams. It was necessary to correct for a minor non-linearity in rate oxygen evolution vs. intensity similar to that reported for Chlorella. Action spectra on ...

journal_title：Plant physiology

authors： Mann JE,Myers J

更新日期：1968-12-01 00:00:00

abstract：:Calcium/calmodulin-dependent protein kinase (CCaMK) has been shown to play an important role in abscisic acid (ABA)-induced antioxidant defense and enhance the tolerance of plants to drought stress. However, its downstream molecular events are poorly understood. Here, we identify a NAC transcription factor, ZmNAC84, i...

journal_title：Plant physiology

authors： Zhu Y,Yan J,Liu W,Liu L,Sheng Y,Sun Y,Li Y,Scheller HV,Jiang M,Hou X,Ni L,Zhang A

更新日期：2016-07-01 00:00:00

abstract：:Roots of Fe-sufficient and Fe-Deficient pea (Pisum sativum L.) were studied to determine the effect of Fe-deficiency on the activity of the root-cell plasmalemma Fe(2+) transport protein. Rates of Fe(III) reduction and short-term Fe(2+) influx were sequentially determined in excised primary lateral roots using Fe(III)...

journal_title：Plant physiology

authors： Grusak MA,Welch RM,Kochian LV

更新日期：1990-11-01 00:00:00

abstract：:Synthesis of nitrate reductase (EC 1.6.6.1) in Chlorella vulgaris was studied under inducing conditions, i.e. with cells grown on ammonia and then transferred to nitrate medium. Cycloheximide (but not chloramphenicol) completely inhibited synthesis of the enzyme, but only if it was added at the start (i.e. at the time...

journal_title：Plant physiology

authors： Funkhouser EA

更新日期：1980-05-01 00:00:00

abstract：:Glucosinolates (GSLs) are secondary metabolites whose degradation products confer intrinsic flavors and aromas to Brassicaceae vegetables. Several structures of GSLs are known in the Brassicaceae, and the biosynthetic pathway and regulatory networks have been elucidated in Arabidopsis (Arabidopsis thaliana). GSLs are ...

journal_title：Plant physiology

authors： Kakizaki T,Kitashiba H,Zou Z,Li F,Fukino N,Ohara T,Nishio T,Ishida M

更新日期：2017-03-01 00:00:00

abstract：:Correlating measurements from differential scanning calorimetry, freeze-fracture freeze-etch electron microscopy, and survival of twigs after two-step cooling experiments, we provide strong evidence that winter-hardened Populus balsamifera v. virginiana (Sarg.) resists the stresses of freezing below -28 degrees C by a...

journal_title：Plant physiology

authors： Hirsh AG,Williams RJ,Meryman HT

更新日期：1985-09-01 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：:Euglena gracilis (1224-5/9) contains phosphoenolpyruvate carboxykinase when grown autotrophic with CO(2) in the light. Its yield is higher when an additional carbon source like glucose has been added. The enzyme is lacking in cells provided with CO(2) alone and kept in the dark, whereas highest yields result if both g...

journal_title：Plant physiology

authors： Pönsgen-Schmidt E,Schneider T,Hammer U,Betz A

更新日期：1988-02-01 00:00:00

abstract：:A 108-fold purification of the sucrose synthetase from the extract of the shoot of bamboo Lelaba oldhami was achieved by ammonium sulfate fractionation, calcium phosphate gel adsorption, and chromatographic separations on Sephadex G-100 and diethylaminoethyl-cellulose columns. Some properties of this enzyme, namely th...

journal_title：Plant physiology

authors： Su JC

更新日期：1977-07-01 00:00:00

abstract：:Like many microalgae, Chlamydomonas reinhardtii forms lipid droplets rich in triacylglycerols when nutrient deprived. To begin studying the mechanisms underlying this process, nitrogen (N) deprivation was used to induce triacylglycerol accumulation and changes in developmental programs such as gametogenesis. Comparati...

journal_title：Plant physiology

authors： Miller R,Wu G,Deshpande RR,Vieler A,Gärtner K,Li X,Moellering ER,Zäuner S,Cornish AJ,Liu B,Bullard B,Sears BB,Kuo MH,Hegg EL,Shachar-Hill Y,Shiu SH,Benning C

更新日期：2010-12-01 00:00:00

abstract：:ATP sulfurylase and 5'-adenylylsulfate (APS) reductase catalyze two reactions in the sulfate assimilation pathway. Cell fractionation of Arabidopsis leaves revealed that ATP sulfurylase isoenzymes exist in the chloroplast and the cytosol, whereas APS reductase is localized exclusively in chloroplasts. During developme...

journal_title：Plant physiology

authors： Rotte C,Leustek T

更新日期：2000-10-01 00:00:00

abstract：:Chloroplast NADPH-thioredoxin reductase (NTRC) belongs to the thioredoxin systems that control crucial metabolic and regulatory pathways in plants. Here, by characterization of T-DNA insertion lines of NTRC gene, we uncover a novel connection between chloroplast thiol redox regulation and the control of photoperiodic ...

journal_title：Plant physiology

authors： Lepistö A,Kangasjärvi S,Luomala EM,Brader G,Sipari N,Keränen M,Keinänen M,Rintamäki E

更新日期：2009-03-01 00:00:00

abstract：:Chronic exposure of hybrid poplar (Populus deltoides x trichocarpa) plants to low concentrations of ozone had negative impact upon net photosynthetic capacity, dark respiration, and leaf chlorophyll contents. Exposure to as much as 0.20 microliters per liter O(3) had no immediate effect on net photosynthesis (P(n)), b...

journal_title：Plant physiology

authors： Reich PB

更新日期：1983-10-01 00:00:00

abstract：:Isolated maize (Zea mays var. kelvedon glory) etioplasts have been used to investigate the relationships between the spectral shifts and ultrastructural changes which occur during light-induced chloroplast development. After primary photoconversion, the Shibata shift was observed as a change from 680 to 670 nm in the ...

journal_title：Plant physiology

authors： Horton P,Leech RM

更新日期：1975-02-01 00:00:00