Detecting mutants that have impaired photosynthesis by their increased level of fluorescence.

abstract：:The time course of abscisic acid (ABA) accumulation during water stress and of degradation following rehydration was investigated by analyzing the levels of ABA and its metabolites phaseic acid (PA) and alkalihydrolyzable conjugated ABA in excised leaf blades of Xanthium strumarium. Initial purification was by reverse...

journal_title：Plant physiology

authors： Zeevaart JA

更新日期：1980-10-01 00:00:00

abstract：:Continuous wave nuclear magnetic resonance (NMR) studies indicated that the line width of the water absorption peak (Deltav(1/2)) from crowns of winter and spring wheat (Triticum aestivum L.) increased during cold acclimation. There was a negative correlation between Deltav(1/2) and crown water content, and both of th...

journal_title：Plant physiology

authors： Gusta LV,Fowler DB,Chen P

更新日期：1979-04-01 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：:Piperonylic acid (PA) is a natural molecule bearing a methylenedioxy function that closely mimics the structure of trans-cinnamic acid. The CYP73A subfamily of plant P450s catalyzes trans-cinnamic acid 4-hydroxylation, the second step of the general phenylpropanoid pathway. We show that when incubated in vitro with ye...

journal_title：Plant physiology

authors： Schalk M,Cabello-Hurtado F,Pierrel MA,Atanossova R,Saindrenan P,Werck-Reichhart D

更新日期：1998-09-01 00:00:00

abstract：:Although sessile in nature, plants are able to use a number of mechanisms to modify their morphology in response to changing environmental conditions. Differential growth is one such mechanism. Despite its importance in plant development, little is known about the molecular events regulating the establishment of diffe...

journal_title：Plant physiology

authors： Stowe-Evans EL,Harper RM,Motchoulski AV,Liscum E

更新日期：1998-12-01 00:00:00

abstract：:This study examines the capacity of intact spinach (Spinacia oleracea L.) chloroplasts to fix (14)CO(2) when supplied with Benson-Calvin cycle intermediates in the presence of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU). Under these conditions, substantial (14)CO(2) fixation occurred in the light but not in the dar...

journal_title：Plant physiology

authors： Woo KC,Gerbaud A,Furbank RT

更新日期：1983-06-01 00:00:00

abstract：:STARCH SYNTHASE4 (SS4) is required for proper starch granule initiation in Arabidopsis (Arabidopsis thaliana), although SS3 can partially replace its function. Unlike other starch-deficient mutants, ss4 and ss3/ss4 mutants grow poorly even under long-day conditions. They have less chlorophyll and carotenoids than the ...

journal_title：Plant physiology

authors： Ragel P,Streb S,Feil R,Sahrawy M,Annunziata MG,Lunn JE,Zeeman S,Mérida Á

更新日期：2013-09-01 00:00:00

abstract：:Analysis of gene expression data generated by high-throughput microarray transcript profiling experiments has demonstrated that genes with an overall similar expression pattern are often enriched for similar functions. This guilt-by-association principle can be applied to define modular gene programs, identify cis-reg...

journal_title：Plant physiology

authors： Vandepoele K,Quimbaya M,Casneuf T,De Veylder L,Van de Peer Y

更新日期：2009-06-01 00:00:00

abstract：:Amino acids and amino acid analogs have been used in numerous genetic screens to isolate mutants deficient in amino acid biosynthetic pathways or in the regulation of amino acid metabolism. Several of these mutants exhibit relaxed feedback control of branched amino acid biosynthetic pathways and are thus resistant to ...

journal_title：Plant physiology

authors： Voll LM,Allaire EE,Fiene G,Weber AP

更新日期：2004-10-01 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：:Fifty-four strains of Bradyrhizobium sp. (Lupinus) from worldwide collections were screened by a colony hybridization method for the presence of DNA sequences homologous to the structural genes of the Bradyrhizobium japonicum hydrogenase. Twelve strains exhibited strong colony hybridization signals, and subsequent Sou...

journal_title：Plant physiology

authors： Murillo J,Villa A,Chamber M,Ruiz-Argüeso T

更新日期：1989-01-01 00:00:00

abstract：:Plants are able to respond to herbivore damage with de novo biosynthesis of an herbivore-characteristic blend of volatiles. The signal transduction initiating volatile biosynthesis may involve the activation of the octadecanoid pathway, as exemplified by the transient increase of endogenous jasmonic acid (JA) in leave...

journal_title：Plant physiology

authors： Koch T,Krumm T,Jung V,Engelberth J,Boland W

更新日期：1999-09-01 00:00:00

abstract：:The light-harvesting antenna of higher plant photosystem II (LHCII) has the intrinsic capacity to dissipate excess light energy as heat in a process termed nonphotochemical quenching (NPQ). Recent studies suggest that zeaxanthin and lutein both contribute to the rapidly relaxing component of NPQ, qE, possibly acting i...

journal_title：Plant physiology

authors： Johnson MP,Pérez-Bueno ML,Zia A,Horton P,Ruban AV

更新日期：2009-02-01 00:00:00

abstract：:To investigate the relation between cell division and expansion in the regulation of organ growth rate, we used Arabidopsis thaliana primary roots grown vertically at 20 degreesC with an elongation rate that increased steadily during the first 14 d after germination. We measured spatial profiles of longitudinal veloci...

journal_title：Plant physiology

authors： Beemster GT,Baskin TI

更新日期：1998-04-01 00:00:00

abstract：:Two major proteins (the 7S and 11S globulins) of soybean (Glycine max) were simultaneously isolated by a simple method based on their different solubilities in dilute tris (hydroxymethyl) aminomethane buffers. The purified 7S globulins, which represented essentially the entire 7S soybean protein fraction capable of di...

journal_title：Plant physiology

authors： Thanh VH,Okubo K,Shibasaki K

更新日期：1975-07-01 00:00:00

abstract：:A Mg(2+)-dependent, cation-stimulated ATPase was associated with plasma membranes isolated from corn leaf mesophyll protoplasts. Potassium was the preferred monovalent cation for stimulating the ATPase above the Mg(2+)-activated level. The enzyme was substrate-specific for ATP, was inhibited by N,N'-dicyclohexylcarbod...

journal_title：Plant physiology

authors： Perlin DS,Spanswick RM

更新日期：1981-09-01 00:00:00

abstract：:Diethylstibestrol (DES) inhibited noncompetitively the ATPase in the plasma membrane fraction from Avena sativa L. cv. Goodfield roots when assayed in the presence of MgSO(4) or MgSO(4) plus KCl. In the presence of MgSO(4), 7.1x10(-5) molar DES inhibited the enzyme 50%; whereas in the presence of MgSO(4) and KCl, 1.3x...

journal_title：Plant physiology

authors： Balke NE,Hodges TK

更新日期：1979-01-01 00:00:00

abstract：:Changes in the galactose content of the noncellulosic polysaccharides of tomato (Mill) fruit cell walls were analyzed under various conditions. On the plant, galactan decreased gradually during fruit growth. As normal fruits ripened, the loss of galactan increased sharply; this was not observed in attached rin fruits ...

journal_title：Plant physiology

authors： Lackey GD,Gross KC,Wallner SJ

更新日期：1980-09-01 00:00:00

abstract：:The starch-granule-bound starch synthase from Zea mays has been solubilized with a recovery of between 50 and 84%. Chromatography of the solubilized enzyme on DEAE-Sepharose resolves two fractions of activity which may be distinguished by their response to citrate. Neither solubilized isoenzyme displays any significan...

journal_title：Plant physiology

authors： Macdonald FD,Preiss J

更新日期：1983-09-01 00:00:00

abstract：:The effects of nitrogen source NO(3) (-) or NH(4) (+) on nitrogen metabolism during the first 2 weeks of germination of the rice seedling (Oryza sativa L., var. IR22) grown in nutrient solution containing 40 mug/ml N were studied. Total, soluble protein, and free amino N levels were higher in the NH(4) (+)-grown seedl...

journal_title：Plant physiology

authors： Marwaha RS,Juliano BO

更新日期：1976-06-01 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：:Plants respond to phosphate (Pi) starvation by exhibiting a suite of developmental, biochemical, and physiological changes to cope with this nutritional stress. To understand the molecular mechanism underlying these responses, we isolated an Arabidopsis (Arabidopsis thaliana) mutant, hypersensitive to phosphate starva...

journal_title：Plant physiology

authors： Lei M,Liu Y,Zhang B,Zhao Y,Wang X,Zhou Y,Raghothama KG,Liu D

更新日期：2011-07-01 00:00:00

abstract：:Restoration of oxygenated conditions following 15 minutes to 2 hours of anoxia causes light-grown pea (Pisum sativum L. var. Alaska) stem segments to elongate 100 to 200% more than continuously aerated segments. This "emergent growth" response takes place in the presence of 5 mm F(-), an inhibitor of anaerobic respira...

journal_title：Plant physiology

authors： Parrish DJ,Davies PJ

更新日期：1977-04-01 00:00:00

abstract：:The enzymic capacities for ammonia assimilation into amino acids have been investigated in chloroplasts from the siphonous green alga Caulerpa simpliciuscula (Turner) C. Ag. The results show that these chloroplasts differ from those of higher plants in having present simultaneously the enzymic capacities to permit ass...

journal_title：Plant physiology

authors： McKenzie GH,Ch'ng AL,Gayler KR

更新日期：1979-03-01 00:00:00

abstract：:Fusicoccin inhibits the germination of pea (Pisum sativum L. cv Progress 9) seeds by decreasing the growth of the embryonal axis and by stimulating the fresh weight increase of the cotyledons. The growth of isolated embryonal axes in the presence of sucrose and KCl is stimulated by fusicoccin. The effect of fusicoccin...

journal_title：Plant physiology

authors： Lioi L,Petruzzelli L,Morgutti S,Cocucci SM

更新日期：1984-11-01 00:00:00

abstract：:Using isopycnic sucrose gradients, we have ascertained the subcellular location of several enzymes involved in the processing of the N-linked oligosaccharides of glycoproteins in developing cotyledons of the common bean, Phaseolus vulgaris. All are localized in the endoplasmic reticulum (ER) or Golgi complex as determ...

journal_title：Plant physiology

authors： Sturm A,Johnson KD,Szumilo T,Elbein AD,Chrispeels MJ

更新日期：1987-11-01 00:00:00

abstract：:Phototropins (phot1 and phot2) are plant blue-light receptors that mediate phototropism, chloroplast movement, stomatal opening, rapid inhibition of growth of etiolated seedlings, and leaf expansion in Arabidopsis (Arabidopsis thaliana). Their N-terminal region contains two light, oxygen, or voltage (LOV) domains, whi...

journal_title：Plant physiology

authors： Cho HY,Tseng TS,Kaiserli E,Sullivan S,Christie JM,Briggs WR

更新日期：2007-01-01 00:00:00

abstract：:Acetyl-coenzyme A (acetyl-CoA) formed within the plastid is the precursor for the biosynthesis of fatty acids and, through them, a range of important biomolecules. The source of acetyl-CoA in the plastid is not known, but two enzymes are thought to be involved: acetyl-CoA synthetase and plastidic pyruvate dehydrogenas...

journal_title：Plant physiology

authors： Ke J,Behal RH,Back SL,Nikolau BJ,Wurtele ES,Oliver DJ

更新日期：2000-06-01 00:00:00

abstract：:Cell-free preparations from seeds of Marah macrocarpus L. and Malus domestica L. catalyzed the conversion of gibberellin A(9) (GA(9)) and 2,3-dehydroGA(9) to GA(7); GA(9) was also metabolized to GA(4) in a branch pathway. The preparation from Marah seeds also metabolized GA(5) to GA(3) in high yield; GA(6) was a minor...

journal_title：Plant physiology

authors： Albone KS,Gaskin P,Macmillan J,Phinney BO,Willis CL

更新日期：1990-09-01 00:00:00

abstract：:Dual-conditional positive/negative selection markers are versatile genetic tools for manipulating genomes. Plastid genomes are relatively small and conserved DNA molecules that can be manipulated precisely by homologous recombination. High-yield expression of recombinant products and maternal inheritance of plastid-en...

journal_title：Plant physiology

authors： Gisby MF,Mudd EA,Day A

更新日期：2012-12-01 00:00:00