Photoperiod Affects the Phenotype of Mitochondrial Complex I Mutants.

abstract：:Western blots of soluble protein from wheat, rice, and corn showed that ADPglucose pyrophosphorylase subunits have a size of 50 kilodaltons from endosperm tissue and 43 and 46 kilodaltons from leaf. Antisera to ADPglucose pyrophosphorylase precipitated in vitro translation products of 73 and 76 kilodaltons when leaf p...

journal_title：Plant physiology

authors： Krishnan HB,Reeves CD,Okita TW

更新日期：1986-06-01 00:00:00

abstract：:The specific activity of phosphoenolpyruvate (PEP) measured at a saturating level of substrate diminishes as the enzyme is diluted at about the same rate that specific light scattering by the diluted enzyme decreases. The presence of PEP in the assay causes an increase in activity with increasing dilution. This is acc...

journal_title：Plant physiology

authors： Willeford KO,Wedding RT

更新日期：1992-06-01 00:00:00

abstract：:We have isolated full-length cDNA clones that encode oat (Avena sativa) seed storage globulin mRNAs from a cDNA library in the expression vector lambda gtll. The longest of these clones, pOG2, has an 1840-base pair insert that encodes a complete precursor subunit with a signal peptide of 24 amino acids followed by an ...

journal_title：Plant physiology

authors： Shotwell MA,Afonso C,Davies E,Chesnut RS,Larkins BA

更新日期：1988-07-01 00:00:00

abstract：:Translocation profiles along the path were studied using a modified flap-feeding technique for the simultaneous application of THO and (14)C-sucrose. A re-evaluation of a mathematical model for phloem transport with reversible lateral exchange of tracer along the path indicates that lower apparent velocities for THO a...

journal_title：Plant physiology

authors： Cataldo DA,Christy AL,Coulson CL

更新日期：1972-05-01 00:00:00

abstract：:Plants undergoing heat and low-CO2 stresses emit large amounts of volatile isoprenoids compared with those in stress-free conditions. One hypothesis posits that the balance between reducing power availability and its use in carbon assimilation determines constitutive isoprenoid emission rates in plants and potentially...

journal_title：Plant physiology

authors： Dani KG,Jamie IM,Prentice IC,Atwell BJ

更新日期：2014-10-01 00:00:00

abstract：:In celery (Apium graveolens L.), long-distance transport of reduced carbon occurs both in the form of sucrose (Suc) and mannitol. The presence of mannitol has been related to the resistance of celery to salt stress. To investigate the transport events occurring during salt stress, we have cloned the H(+)/Suc transport...

journal_title：Plant physiology

authors： Noiraud N,Delrot S,Lemoine R

更新日期：2000-04-01 00:00:00

abstract：:Chromosomal virulence (chv) mutants of Agrobacterium tumefaciens have been reported to be deficient in binding to cells of zinnia, tobacco, and bamboo. The mutants are nonpathogenic on stems of Kalanchoë, sunflower, tomato, Jerusalem artichoke, and tobacco, but they cause tumors on tubers of Solanum tuberosum. We used...

journal_title：Plant physiology

authors： Hawes MC,Pueppke SG

更新日期：1989-09-01 00:00:00

abstract：:The effects of a severe water deficit on total root (L(t)) and axial (L(x)) hydraulic conductances and on the development of the hypodermis, endodermis, and xylem were studied in sorghum (Sorghum bicolor L.). Water deficit was imposed in the upper rooting zone while the lower zones were kept moist. L(t) and L(x) were ...

journal_title：Plant physiology

authors： Cruz RT,Jordan WR,Drew MC

更新日期：1992-05-01 00:00:00

abstract：:Protein phosphorylation, catalyzed by the opposing actions of protein kinases and phosphatases, is a cornerstone of cellular signaling and regulation. Since their discovery, protein phosphatases have emerged as highly regulated enzymes with specificity that rivals their counteracting kinase partners. However, despite ...

journal_title：Plant physiology

authors： Uhrig RG,Moorhead GB

更新日期：2011-12-01 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：:Potato MADS box 1 (POTM1) is a member of the SQUAMOSA-like family of plant MADS box genes isolated from an early stage tuber cDNA library. The RNA of POTM1 is most abundant in vegetative meristems of potato (Solanum tuberosum), accumulating specifically in the tunica and corpus layers of the meristem, the procambium, ...

journal_title：Plant physiology

authors： Rosin FM,Hart JK,Van Onckelen H,Hannapel DJ

更新日期：2003-04-01 00:00:00

abstract：:A mass spectrometric method combining (16)O/(18)O and (12)C/(13)C isotopes was used to quantify the unidirectional fluxes of O(2) and CO(2) during a dark to light transition for guard cell protoplasts and mesophyll cell protoplasts of Commelina communis L. In darkness, O(2) uptake and CO(2) evolution were similar on a...

journal_title：Plant physiology

authors： Gautier H,Vavasseur A,Gans P,Lascève G

更新日期：1991-02-01 00:00:00

abstract：:Porphobilinogen (PBG) deaminase catalyzes the polymerization of four PBG monopyrrole units into the linear tetrapyrrole hydroxymethylbilane necessary for the formation of chlorophyll and heme in plant cells. Degenerate oligonucleotide primers were designed based on amino acid sequence data (generated by mass spectrome...

journal_title：Plant physiology

authors： Witty M,Wallace-Cook AD,Albrecht H,Spano AJ,Michel H,Shabanowitz J,Hunt DF,Timko MP,Smith AG

更新日期：1993-09-01 00:00:00

abstract：:Chlorophyll levels in l-cm sections of the youngest fully expanded leaves of normal (Y) Festuca pratensis L. declined almost to zero over a period of 6 days after excision. Chlorophyll in a mutant genotype (NY) remained near the initial level for the whole of this period. Abscisic acid promoted pigment loss in Y but h...

journal_title：Plant physiology

authors： Thomas H,Stoddart JL

更新日期：1975-09-01 00:00:00

abstract：:The development of photochemical activity in relation to pigment and membrane protein accumulation in chloroplasts of greening wild-type barley (Hordeum vulgare L. cv. Gateway) and its virescens mutant were studied. The rate of chlorophyll accumulation per plastid was faster in the wild-type than in the mutant seedlin...

journal_title：Plant physiology

authors： Kyle DJ,Zalik S

更新日期：1982-06-01 00:00:00

abstract：:Cinnamate-4-hydroxylase (C4H) is the first Cyt P450-dependent monooxygenase of the phenylpropanoid pathway. To study the expression of this gene in Arabidopsis thaliana, a C4H cDNA clone from the Arabidopsis expressed sequence tag database was identified and used to isolate its corresponding genomic clone. The entire ...

journal_title：Plant physiology

authors： Bell-Lelong DA,Cusumano JC,Meyer K,Chapple C

更新日期：1997-03-01 00:00:00

abstract：:Hydroperoxide lyase (HPLS) activity in soybean (Glycine max) seed/seedlings, leaves, and chloroplasts of leaves required detergent solubilization for maximum in vitro activity. On a per milligram of protein basis, more HPLS activity was found in leaves, especially chloroplasts, than in seeds or seedlings. The total yi...

journal_title：Plant physiology

authors： Gardner HW,Weisleder D,Plattner RD

更新日期：1991-11-01 00:00:00

abstract：:To determine the selectivity of movement of amino acids from source leaves to sink tissues in soybeans (Glycine max [L.] Merr. ;Wells'), (14)C-labeled serine, leucine, or lysine was applied to an abraded spot on a fully expanded trifoliolate leaflet, and an immature sink leaf three nodes above was monitored with a GM ...

journal_title：Plant physiology

authors： Housley TL,Peterson DM,Schrader LE

更新日期：1977-02-01 00:00:00

abstract：:Winter cultivars of rye (Secale cereale L., cv Musketeer) and wheat (Triticum aestivum L. cvs Kharkov and Monopol), but not a spring cultivar of wheat (Glenlea), grown at cold-hardening temperatures showed, at high irradiances, a higher proportion of oxidized to reduced primary, stable quinone receptor (QA) than did t...

journal_title：Plant physiology

authors： Oquist G,Hurry VM,Huner N

更新日期：1993-01-01 00:00:00

abstract：:Fluxes of mineral nutrients in the xylem are strongly influenced by interactions with the surrounding stem tissues and are probably regulated by them. Toward a mechanistic understanding of these interactions, we applied stable isotope tracers of magnesium, potassium, and calcium continuously to the transpiration strea...

journal_title：Plant physiology

authors： Metzner R,Schneider HU,Breuer U,Thorpe MR,Schurr U,Schroeder WH

更新日期：2010-02-01 00:00:00

abstract：:While the metabolic networks in developing seeds during the period of reserve accumulation have been extensively characterized, much less is known about those present during seed desiccation and subsequent germination. Here we utilized metabolite profiling, in conjunction with selective mRNA and physiological profilin...

journal_title：Plant physiology

authors： Fait A,Angelovici R,Less H,Ohad I,Urbanczyk-Wochniak E,Fernie AR,Galili G

更新日期：2006-11-01 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：:Bean (Phaseolus vulgaris L.) seeds contain a putative plant defense protein that inhibits insect and mammalian but not plant alpha-amylases. We recently (J Moreno, MJ Chrispeels [1989] Proc Natl Acad Sci USA 86:7885-7889) presented strong circumstantial evidence that this alpha-amylase inhibitor (alphaAI) is encoded b...

journal_title：Plant physiology

authors： Altabella T,Chrispeels MJ

更新日期：1990-06-01 00:00:00

abstract：:Comparisons were made between the free amino acid composition in leaf exudates and that in pure phloem sap, using twin samples taken from a single leaf of two oat (Avena sativa L.) and three barley (Hordeum vulgare L.) varieties. Leaf exudate was collected in a 5 mm EDTA-solution (pH 7.0) from cut leaf blades and phlo...

journal_title：Plant physiology

authors： Weibull J,Ronquist F,Brishammar S

更新日期：1990-01-01 00:00:00

abstract：:Rapidly dried Tortula ruralis, a drought-tolerant moss, is known to synthesize proteins on rehydration at a much lower rate than the slowly dried moss. The reasons for this low rate of protein synthesis are unclear. We have found that during rehydration of rapidly dried moss, there is a negative correlation between th...

journal_title：Plant physiology

authors： Dhindsa RS

更新日期：1987-12-01 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：:Accumulating evidence indicates that there is a multiplicity of cytochrome P-450 enzymes in plants. These monooxygenases are implicated in the metabolism of sterols, terpenes, gibberellins, isoflavonoids, and xenobiotics. Evidence that cytochromes P-450 are involved in the detoxification of herbicides (chlorotoluron, ...

journal_title：Plant physiology

authors： Donaldson RP,Luster DG

更新日期：1991-07-01 00:00:00

abstract：:Northern blot hybridization analyzes revealed that poly(A(+)) RNAs homologous to eight heat shock (HS)-specific cDNA clones were induced by arsenite (As) or Cd treatments. The mRNAs accumulated slower, and maximum accumulations were consistently lower than HS-induced levels. Prolonged treatment with low concentrations...

journal_title：Plant physiology

authors： Edelman L,Czarnecka E,Key JL

更新日期：1988-04-01 00:00:00

abstract：:This study concerns the selective absorption of K and Rb or of K and Na by intact sugar beet (Beta vulgaris) plants from modified conventional nutrient solutions over an extended period of plant growth. Long term results agreed with those of short term experiments by other investigators using excised root systems and ...

journal_title：Plant physiology

authors： El-Sheikh AM,Broyer TC,Ulrich A

更新日期：1971-05-01 00:00:00

abstract：:Phytosulfokine (PSK) is a sulfated peptide hormone required for the proliferation and differentiation of plant cells. Here, we characterize the physiological roles of PSK in transdifferentiation of isolated mesophyll cells of zinnia (Zinnia elegans 'Canary Bird') into tracheary elements (TEs). Transcripts for a zinnia...

journal_title：Plant physiology

authors： Motose H,Iwamoto K,Endo S,Demura T,Sakagami Y,Matsubayashi Y,Moore KL,Fukuda H

更新日期：2009-05-01 00:00:00