Induction of Male Sterility in Wheat by Meiotic-Stage Water Deficit Is Preceded by a Decline in Invertase Activity and Changes in Carbohydrate Metabolism in Anthers.

abstract：:The action spectrum of apparent photosynthesis for attached radish (Raphanus sativus L. var. Early Scarlet Globe) and corn (Zea mays L. var. Pride V.) leaves was measured at 300 mul/l CO(2) and both 21% and 2% O(2). The spectra were measured at light intensities where apparent photosynthesis was proportional to intens...

journal_title：Plant physiology

authors： Bulley NR,Nelson CD,Tregunna EB

更新日期：1969-05-01 00:00:00

abstract：:Nuclease I enzymes are responsible for the degradation of RNA and single-stranded DNA during several plant growth and developmental processes, including senescence. However, in the case of senescence the corresponding genes have not been reported. We describe the identification and characterization of BFN1 of Arabidop...

journal_title：Plant physiology

authors： Pérez-Amador MA,Abler ML,De Rocher EJ,Thompson DM,van Hoof A,LeBrasseur ND,Lers A,Green PJ

更新日期：2000-01-01 00:00:00

abstract：:Brassinosteroids (BRs) are plant growth-promoting steroid hormones. BRs affect plant growth by regulating panels of downstream genes. Much effort has been made to establish BR-regulated gene expression networks, but there is little overlap among published expression networks. In this study, we built an optimal BR-regu...

journal_title：Plant physiology

authors： Liu X,Yang H,Wang Y,Zhu Z,Zhang W,Li J

更新日期：2020-10-01 00:00:00

abstract：:Effects of red and blue light at irradiances from 1.6 to 28.3 micromolar per square meter per second on chloroplast pigments, light-harvesting pigment-proteins associated with photosystem II, and the corresponding mRNA were evaluated in maize (Zea mays L.) plants (OP Golden Bantum) grown for 14 days under 14 hours lig...

journal_title：Plant physiology

authors： Eskins K,Westhoff P,Beremand PD

更新日期：1989-09-01 00:00:00

abstract：:Arabidopsis (Arabidopsis thaliana) GOLDEN2-LIKE (GLK) transcription factors promote chloroplast biogenesis by regulating the expression of photosynthesis-related genes. Arabidopsis GLK1 is also known to participate in retrograde signaling from chloroplasts to the nucleus. To elucidate the mechanism by which GLK1 is re...

journal_title：Plant physiology

authors： Tokumaru M,Adachi F,Toda M,Ito-Inaba Y,Yazu F,Hirosawa Y,Sakakibara Y,Suiko M,Kakizaki T,Inaba T

更新日期：2017-01-01 00:00:00

abstract：:The triple isotope composition (delta17O and delta18O) of dissolved O2 in the ocean and in ice cores was recently used to assess the primary productivity over broad spatial and temporal scales. However, assessment of the productivity with the aid of this method must rely on accurate measurements of the 17O/16O versus ...

journal_title：Plant physiology

authors： Helman Y,Barkan E,Eisenstadt D,Luz B,Kaplan A

更新日期：2005-08-01 00:00:00

abstract：:Sulfate is a macronutrient required for cell growth and development. Arabidopsis has two high-affinity sulfate transporters (SULTR1;1 and SULTR1;2) that represent the sulfate uptake activities at the root surface. Sulfur limitation (-S) response relevant to the function of SULTR1;2 was elucidated in this study. We hav...

journal_title：Plant physiology

authors： Maruyama-Nakashita A,Inoue E,Watanabe-Takahashi A,Yamaya T,Takahashi H

更新日期：2003-06-01 00:00:00

abstract：:Osmotic adjustment occurred during drought in expanded leaves of sunflowers (Helianthus annuus var Hysun 30) which had been continuously exposed to 660 microliters CO(2) per liter or had been previously acclimated to drought. The effect was greatest when the treatments were combined and was negligible in nonacclimated...

journal_title：Plant physiology

authors： Conroy JP,Virgona JM,Smillie RM,Barlow EW

更新日期：1988-04-01 00:00:00

abstract：:In Arabidopsis (Arabidopsis thaliana), the Shaker K(+) channel AKT1 conducts K(+) uptake in root cells, and its activity is regulated by CBL1/9-CIPK23 complexes as well as by the AtKC1 channel subunit. CIPK23 and AtKC1 are both involved in the AKT1-mediated low-K(+) (LK) response; however, the relationship between the...

journal_title：Plant physiology

authors： Wang XP,Chen LM,Liu WX,Shen LK,Wang FL,Zhou Y,Zhang Z,Wu WH,Wang Y

更新日期：2016-04-01 00:00:00

abstract：:The seeds of lettuce (Lactuca sativa L. cv. Grand Rapids) germinate in darkness at 25 C when treated by gibberellic acid (GA(3)) for 1 hour following 2 hours of imbibition. The time of GA(3) application influences the rate and the final percentage of seeds that germinate. In contrast, red light illumination given at d...

journal_title：Plant physiology

authors： Lewak S,Khan AA

更新日期：1977-10-01 00:00:00

abstract：:Using the gibberellin (GA) biosynthetic inhibitor Uniconazol, we determined that det1, a mutant that no longer requires light to be germinated, still requires GA synthesis for germination. This result suggests that dark inhibition of germination in Arabidopsis may be due to inhibition of GA synthesis by the DET1 gene ...

journal_title：Plant physiology

authors： Nambara E,Akazawa T,McCourt P

更新日期：1991-10-01 00:00:00

abstract：:Logarithmic growth rates (either fresh or dry weight basis) of tobacco callus tissues grown on 10(-4) to 10(-1) mum cytokinin are increased if gibberellic acid (10(-3)-2 mum) is incorporated into the medium. At higher (1-10 mum) cytokinin concentrations gibberellic acid has little effect on growth rate but extends the...

journal_title：Plant physiology

authors： Helgeson JP,Upper CD

更新日期：1970-07-01 00:00:00

abstract：:Researchers have long endeavored to produce modified fatty acids in easily managed crop plants where they are not natively found. An important step toward this goal has been the biosynthesis of these valuable products in model oilseeds. The successful production of such fatty acids has revealed barriers to the broad a...

journal_title：Plant physiology

authors： Lunn D,Smith GA,Wallis JG,Browse J

更新日期：2018-06-01 00:00:00

abstract：:When leaf blades of fully expanded second leaves of barley (cv. Prior) were excised and incubated with the cut end in a 20 milligram per liter solution of abscisic acid, they accumulated proline at the rate of about 1 micromole per hour per gram fresh weight after a 3- to 4-hour lag. This accumulation occurred reprodu...

journal_title：Plant physiology

authors： Stewart CR

更新日期：1980-08-01 00:00:00

abstract：:A fructokinase (EC 2.7.1.4) was obtained from pea (Pisum sativum L.) seeds. This enzyme, termed fructokinase (fraction IV), was specific for fructose as substrate and had little activity with glucose or mannose. Excess fructose inhibited the enzyme at the optimum pH (8.2) but not at pH 6.6. MgATP was inhibitory at pH ...

journal_title：Plant physiology

authors： Turner JF,Harrison DD,Copeland L

更新日期：1977-11-01 00:00:00

abstract：:First leaves and flag leaves of the wheat species Triticum aestivum cv Anza (6x), T. boeoticum Boiss (2x) L. were examined for content of pyruvate, orthophosphate dikinase (PPDK), phosphoenolpyruvate carboxylase (PEPC), and ribulose 1,5-bisphosphate carboxylase (RuBPC) by protein blot analyses using antibodies to maiz...

journal_title：Plant physiology

authors： Aoyagi K,Bassham JA

更新日期：1986-09-01 00:00:00

abstract：:Comparative genomics provides insight into the evolutionary dynamics that shape discrete sequences as well as whole genomes. To advance comparative genomics within the Brassicaceae, we have end sequenced 23,136 medium-sized insert clones from Boechera stricta, a wild relative of Arabidopsis (Arabidopsis thaliana). A s...

journal_title：Plant physiology

authors： Windsor AJ,Schranz ME,Formanová N,Gebauer-Jung S,Bishop JG,Schnabelrauch D,Kroymann J,Mitchell-Olds T

更新日期：2006-04-01 00:00:00

abstract：:Plants are able to integrate exogenous 1-deoxy-D-xylulose (DX) into the 2C-methyl-D-erythritol 4-phosphate pathway, implicated in the biosynthesis of plastidial isoprenoids. Thus, the carbohydrate needs to be phosphorylated into 1-deoxy-D-xylulose 5-phosphate and translocated into plastids, or vice versa. An enzyme ca...

journal_title：Plant physiology

authors： Hemmerlin A,Tritsch D,Hartmann M,Pacaud K,Hoeffler JF,van Dorsselaer A,Rohmer M,Bach TJ

更新日期：2006-10-01 00:00:00

abstract：:We used pulsed-field gel electrophoresis and restriction fragment mapping to analyze the structure of Medicago truncatula chloroplast DNA (cpDNA). We find most cpDNA in genome-sized linear molecules, head-to-tail genomic concatemers, and complex branched forms with ends at defined sites rather than at random sites as ...

journal_title：Plant physiology

authors： Shaver JM,Oldenburg DJ,Bendich AJ

更新日期：2008-03-01 00:00:00

abstract：:Phosphatidylinositol 3-kinase has been reported to be important for normal plant growth. To characterize the role of the enzyme further, we attempted to isolate Arabidopsis (Arabidopsis thaliana) plants that do not express the gene, but we could not recover homozygous mutant plants. The progeny of VPS34/vps34 heterozy...

journal_title：Plant physiology

authors： Lee Y,Kim ES,Choi Y,Hwang I,Staiger CJ,Chung YY,Lee Y

更新日期：2008-08-01 00:00:00

abstract：:Various sterols and related steroids were tested for their ability to influence ethanol-induced electrolyte leakage from Hordeum vulgare roots. Cholesterol had the greatest influence and, depending on concentration, it stimulated or inhibited the loss of electrolyte. Cholesterol, however, was ineffective if the roots ...

journal_title：Plant physiology

authors： Grunwald C

更新日期：1974-10-01 00:00:00

abstract：:We studied the ethylene-insensitive, hypernodulating mutant, sickle (skl), to investigate the interaction of ethylene with auxin transport during root nodulation in Medicago truncatula. Grafting experiments demonstrated that hypernodulation in skl is root controlled. Long distance transport of auxin from shoot to root...

journal_title：Plant physiology

authors： Prayitno J,Rolfe BG,Mathesius U

更新日期：2006-09-01 00:00:00

abstract：:For the last 50 years, scientists have recognized that varying ratios of the plant hormones cytokinin and auxin induce plant cells to form particular tissues: undifferentiated calli, shoot structures, root structures, or a whole plant. Proliferation of undifferentiated callus tissue, greening, and the formation of sho...

journal_title：Plant physiology

authors： Pischke MS,Huttlin EL,Hegeman AD,Sussman MR

更新日期：2006-04-01 00:00:00

abstract：:The loss of photosynthesis is frequently associated with parasitic or pathogenic lifestyles, but it also can occur in free-living, plastid-bearing lineages. A common consequence of becoming nonphotosynthetic is the reduction in size and gene content of the plastid genome. In exceptional circumstances, it can even resu...

journal_title：Plant physiology

authors： Figueroa-Martinez F,Nedelcu AM,Smith DR,Reyes-Prieto A

更新日期：2017-02-01 00:00:00

abstract：:Succulent stems of Cissus quadrangularis L. (Vitaceae) contain glutamine synthetase, glutamate synthase, and glutamate dehydrogenase. The CO(2) and water gas exchanges of detached internodes were typical for Crassulacean acid metabolism plants. During three physiological phases, e.g. in the dark, in the early illumina...

journal_title：Plant physiology

authors： Berger MG,Sprengart ML,Kusnan M,Fock HP

更新日期：1986-06-01 00:00:00

abstract：:Experiments were conducted in growth chambers to examine the effect of a mild water stress (-200 kilopascals polyethylene glycol) on frond elongation and water status of the ostrich fern (Matteuccia struthiopteris [L.] Todaro). Measurements were taken for two days, starting one day after the application of polyethylen...

journal_title：Plant physiology

authors： Prange RK,Ormrod DP

更新日期：1983-05-01 00:00:00

abstract：:Addition of excess copper to nongrowing cells of a normal, green Chlorella caused a reduction in total pigments and a blue shift of chlorophyll absorption, concurrent with the inhibition of photosynthesis. Chlorophylless yellow and white mutant strains of the same alga showed a rise in nonspecific absorption (i.e., ch...

journal_title：Plant physiology

authors： Gross RE,Pugno P,Dugger WM

更新日期：1970-08-01 00:00:00

abstract：:Cell walls of grasses have two major polysaccharides that contain uronic acids, the hemicellulosic glucuronoarabinoxylans and the galactosyluronic acid-rich pectins. A technique whereby esterified uronic acid carboxyl groups are reduced selectively to yield their respective 6,6-dideuterio neutral sugars was used to de...

journal_title：Plant physiology

authors： Kim JB,Carpita NC

更新日期：1992-02-01 00:00:00

abstract：:Formation of the riboside-5'-monophosphate is a general feature of the metabolism of cytokinins in plants. As part of a study of the biological significance of the nucleotide form of cytokinins, we analyzed a mutant of Arabidopsis thaliana deficient in adenine phosphoribosyltransferase (APRT) activity for its ability ...

journal_title：Plant physiology

authors： Moffatt B,Pethe C,Laloue M

更新日期：1991-03-01 00:00:00

abstract：:Three isoforms of dihydroxyacetone phosphate reductase in extracts from Dunaliella tertiolecta have been separated by a diethylaminoethyl cellulose column chromatography with a shallow NaCl gradient. The chloroplasts contained the two major isoforms, and the third, minor form was in the cytosol. The isoforms are unsta...

journal_title：Plant physiology

authors： Gee R,Goyal A,Byerrum RU,Tolbert NE

更新日期：1993-09-01 00:00:00