Effect of "osmotic" systems on germination of peas (Pisum sativum, L.).

abstract：:The metabolic, biochemical and molecular events occurring during tobacco (Nicotiana tabacum) leaf ageing are presented, with a particular emphasis on nitrogen metabolism. An integrated model describing the source/sink relationship existing between leaves of different developmental stages along the main plant axis is p...

journal_title：Planta

authors： Masclaux C,Valadier MH,Brugière N,Morot-Gaudry JF,Hirel B

更新日期：2000-09-01 00:00:00

abstract：:Cotyledons of mustard (Sinapis alba L.) seedlings irradiated with far-red light were shown to synthesize high molecular weight precursor rRNA (2.4×10(6)-2.9×10(6) dalton) at a considerably enhanced rate compared to dark-grown cotyledons. This result was obtained by pulse-labelling cotyledons isolated from 48 h old see...

journal_title：Planta

authors： Thien W,Schopfer P

更新日期：1975-01-01 00:00:00

abstract：:The development of maximal rates of lipid and protein hydrolysis in cucumber cotyledons depends upon the removal of the testa and the presence of the embryonic axis. The testa appears to exert at least part of its inhibitory influence by suppressing the development of enzyme activity associated with lipolysis and prot...

journal_title：Planta

authors： Davies HV,Chapman JM

更新日期：1979-10-01 00:00:00

abstract：:The aim of this work was to examine the consequences of the heterologous expression of a spinach ( Spinacia oleracea L.) sucrose transporter ( SoSUT1) in potato ( Solanum tuberosum L.). Many studies have indicated that reduction of the expression of this class of sucrose transporter has deleterious effects on plant gr...

journal_title：Planta

authors： Leggewie G,Kolbe A,Lemoine R,Roessner U,Lytovchenko A,Zuther E,Kehr J,Frommer WB,Riesmeier JW,Willmitzer L,Fernie AR

更新日期：2003-05-01 00:00:00

abstract：:Pressure-probe measurements and single-cell sampling and analysis techniques were used to determine the effect of photosynthetic production and accumulation of sugars on osmotic and turgor pressures of individual cells of barley ( Hordeum vulgare L.) source leaves. In control plants, the changes in osmotic pressure in...

journal_title：Planta

authors： Koroleva OA,Tomos AD,Farrar J,Pollock CJ

更新日期：2002-06-01 00:00:00

abstract：:Rice MKRN is a member of the makorin RING finger protein gene (MKRN) family, which encodes a protein with a characteristic array of zinc-finger motifs conserved in various eukaryotes. Using non-radioactive in situ hybridization, we investigated the spatio-temporal gene expression pattern of rice MKRN during embryogene...

journal_title：Planta

authors： Wadekar HB,Sahi VP,Morita EH,Abe S

更新日期：2013-04-01 00:00:00

abstract：MAIN CONCLUSION:Provide an evolutionary and an empirical molecular genetic foundation of the Sus gene family in tobacco and will be beneficial for further investigations of Sus gene functions Sucrose synthase (Sus) has been well characterized as the key enzyme participating in sucrose metabolism, and the gene family en...

journal_title：Planta

authors： Wang Z,Wei P,Wu M,Xu Y,Li F,Luo Z,Zhang J,Chen A,Xie X,Cao P,Lin F,Yang J

更新日期：2015-07-01 00:00:00

abstract：:Seeds ofBromus sterilis L. germinated between 80-100% in darkness at 15° C but were inhibited by exposure to white or red light for 8 h per day. Exposure to far-red light resulted in germination similar to, or less than, that of seeds maintained in darkness. Germination is not permanently inhibited by light as seeds a...

journal_title：Planta

authors： Hilton JR

更新日期：1982-11-01 00:00:00

abstract：:1-O-Sinapoyl-β-glucose:l-malate O-sinapoyltransferase (SMT; EC 2.3.1.) from cotyledons of red radish (Raphanus sativus L. var. sativus) was purified to apparent homogeneity with a 2100-fold enrichment and a 4% recovery. Apparent Mrs of 52 and 51, respectively, were determined by gel filtration and by sodium dodecyl su...

journal_title：Planta

authors： Gräwe W,Bachhuber P,Mock HP,Strack D

更新日期：1992-05-01 00:00:00

abstract：:Stable-isotope discrimination factors (D) for the uptake of oxygen during respiration by a variety of plant materials were determined by measuring (18)O enrichment in a closed system. Baker's yeast (Saccharomyces cerevisiae Meyer) and mitochondrial preparations from baker's yeast and from castor bean (Ricinus communis...

journal_title：Planta

authors： Guy RD,Berry JA,Fogel ML,Hoering TC

更新日期：1989-04-01 00:00:00

abstract：:The high rate of respiration in Chlorella which is found after feeding with glucose or after a longer period of photosynthesis, declines in the dark in the course of hours to about a quarter of its original value. Blue-green light (λ<550 mμ) specifically counteracts this decline and maintains the high rate. This blue ...

journal_title：Planta

authors： Kowallik W,Gaffron H

更新日期：1966-03-01 00:00:00

abstract：:Lipid extracts from Sorghum sudanese Stapf (cv Piper) that had been subjected to different degrees of water stress contained increasing amounts of a sesquiterpenoid, other than abscisic acid, as the amount of stress increased and subsequent bioassay showed that this substance was capable of inducing stomatal closure. ...

journal_title：Planta

authors： Wellburn AR,Ogunkanmi AB,Fenton R,Mansfield TA

更新日期：1974-01-01 00:00:00

abstract：:Developing wheat (Triticum aestivum L.) endosperm was examined using ultrathin sections prepared from tissues harvested at 5, 9, 16 and 25 d after flowering. Protein bodies were evident by 9 d and displayed a variety of membranous structures and inclusions. The Golgi apparatus was a prominent organelle at all stages, ...

journal_title：Planta

authors： Kim WT,Franceschi VR,Krishnan HB,Okita TW

更新日期：1988-11-01 00:00:00

abstract：:Centrifugal accelerations of 50-250 g were applied to rhizoids of Chara globularis Thuill. at stimulation angles (alpha) of 5-90 degrees between the acceleration vector and the rhizoid axis. After the start of centrifugation, the statoliths were pressed asymmetrically onto the centrifugal flank of the apical cell wall...

journal_title：Planta

authors： Braun M

更新日期：1996-07-01 00:00:00

abstract：:Alfalfa (Medicago sativa L. cv. Canadian No. 1), tobacco (Nicotiana tabacum L. var. humilis) and wheat (triticum monococcum L.) cells were grown in a defined, liquid medium containing either ammonium sulfate, L-glutamine or potassium nitrate as the sole nitrogen source, and the effects of the tricarboxylic-acid (TCA) ...

journal_title：Planta

authors： Fukunaga Y,King J,Child JJ

更新日期：1978-01-01 00:00:00

abstract：:Malic and citric acids accumulate in cherry tomato (Lycopersicon esculentum Mill.) fruit during the period of rapid growth, from the end of cell division to the onset of ripening. The involvement of phospho enolpyruvate carboxylase (PEPCase, EC 4.1.1.31) in organic acid accumulation and tomato fruit development was in...

journal_title：Planta

authors： Guillet C,Just D,Bénard N,Destrac-Irvine A,Baldet P,Hernould M,Causse M,Raymond P,Rothan C

更新日期：2002-03-01 00:00:00

abstract：:Three lines of evidence indicate a connection between high spermidine levels and floral initiation in thin-layer tissue cultures of Wisconsin-38 tobacco (Nicotiana tabacum L.). (1) Spermidine levels are much higher in floral buds than in vegetative buds. (2) Inhibition of spermidine synthesis by cyclohexylamine preven...

journal_title：Planta

authors： Kaur-Sawhney R,Tiburcio AF,Galston AW

更新日期：1988-02-01 00:00:00

abstract：MAIN CONCLUSION:Functional allelic variants of TaGW2 - 6A produce large grains, possibly via changes in endosperm cells and dry matter by regulating the expression of cytokinins and starch-related genes via the ubiquitin-proteasome system. In wheat, TaGW2-6A coding region allelic variants are closely related to the gra...

journal_title：Planta

authors： Geng J,Li L,Lv Q,Zhao Y,Liu Y,Zhang L,Li X

更新日期：2017-12-01 00:00:00

abstract：:To study the interdependence of sucrose accumulation and its hydrolyzing enzyme, soluble acid invertase (AI; EC 3.2.1.26), in fructan-accumulating temperate grasses and cereals, experiments were performed in which sucrose synthesis was abolished in leaves of Lolium temulentum by four independent inhibitory factors, ea...

journal_title：Planta

authors： Cairns AJ,Gallagher JA

更新日期：2004-09-01 00:00:00

abstract：:Two types of auxin-binding sites (sites I and II) in membranes from maize (Zea mays L.) coleoptiles were characterized. Site I was a protein with a relative molecular mass of 21 000, and the distribution of site I protein on sucrose density gradient fractionation coincided with that of NADH-cytochrome-c reductase (EC ...

journal_title：Planta

authors： Shimomura S,Inohara N,Fukui T,Futai M

更新日期：1988-10-01 00:00:00

abstract：:Borya nitida Labill., a plant able to colonize rock outcrops and shallow sands in areas of high incident solar radiation in Western Australia, was examined for its tolerance to extremes of temperature, and to intense visible radiation. Stress injury to the leaves from heat, chilling or photoinhibitory light was follow...

journal_title：Planta

authors： Hetherington SE,Smillie RM

更新日期：1982-06-01 00:00:00

abstract：:Tubular evaginations of the plasmalemma of the scutellar epithelial cells of barley are described. The evaginations are similar to those present at other sites where solute flux occurs for a limited period only and wall development of the transfer-cell form has not occured. Differential uptake of the fluorescent dyes ...

journal_title：Planta

authors： Harris N,Oparka KJ,Walker-Smith DJ

更新日期：1982-12-01 00:00:00

abstract：:Localisation of α-amylase (EC 3.2.1.1) in barley aleurone cells treated with gibberellic acid has been achieved using protein A-gold-labelled polyclonal antibodies. Gold particles were located almost exclusively over the lumen of the rough endoplasmic reticulum and cisternae of the Golgi apparatus. The label was most ...

journal_title：Planta

authors： Gubler F,Jacobsen JV,Ashford AE

更新日期：1986-09-01 00:00:00

abstract：:Hemoglobin gene expression is upregulated during hypoxia. To determine whether the induction occurs via similar mechanisms that have been proposed for other hypoxically induced proteins, barley (Hordeum vulgare L.) aleurone layers were treated with various agents that interfere with known components of signal transduc...

journal_title：Planta

authors： Nie X,Durnin DC,Igamberdiev AU,Hill RD

更新日期：2006-02-01 00:00:00

abstract：:Fe uptake in dicotyledonous plants is mediated by a root plasma membrane-bound ferric reductase that reduces extracellular Fe(III)-chelates, releasing Fe(2+) ions, which are then absorbed via a metal ion transporter. We previously showed that Fe deficiency induces an increased capacity to absorb Fe and other micronutr...

journal_title：Planta

authors： Cohen CK,Garvin DF,Kochian LV

更新日期：2004-03-01 00:00:00

abstract：:The water potentials of frozen leaves of Afroalpine plants were measured psychrometrically in the field. Comparison of these potentials with the osmotic potentials of an expressed cellular sap and the water potentials of ice indicated almost ideal freezing behaviour and suggested equilibrium freezing. On the basis of ...

journal_title：Planta

authors： Beck E,Schulze ED,Senser M,Scheibe R

更新日期：1984-09-01 00:00:00

abstract：:Forty three accessions of Brassica species and one each of Sinapis and Raphanus were assessed for (i) resistance to Leptosphaeria maculans according to a coty-ledon-inoculation test and (ii) indole phytoalexin accumulation following abiotic elicitation with CuCl2. Five indole phytoalexins were determined in the lines ...

journal_title：Planta

authors： Rouxel T,Kollmann A,Boulidard L,Mithen R

更新日期：1991-05-01 00:00:00

abstract：:Germination of fruits of Lactuca sativa L. cv. "Arctic King" showed a sharp upper temperature maximum at 31±1.0°C on an agar substrate in light. In a series of 60 tests carried out over 2 years, above, below and in the region of this maximum it was demonstrated that variability of germination counts was greater in the...

journal_title：Planta

authors： Reynolds T

更新日期：1973-12-01 00:00:00

abstract：:Phytochrome was studied spectrophotometrically in Avena sativa L. seedlings that had been grown for 6 d in continous white fluorescent light from lamps. Greening was prevented through the use of the herbicide San 9789. When placed in the light, phytochrome (Ptot) decreased with first order kinetics (τ1/2 ≈ 2 h) but re...

journal_title：Planta

authors： Jabben M,Deitzer GF

更新日期：1978-01-01 00:00:00

abstract：:The effects of (+)-8',8',8'-trifluoroabscisic acid (trifluoro-ABA) on alpha-amylase expression were studied in rice embryoless half-seeds, scutella, and suspension-cultured cells derived from the embryo, and the effects of the analog on sugar accumulation were also studied in scutella and suspension-cultured cells. Tr...

journal_title：Planta

authors： Kashem MA,Hori H,Itoh K,Hayakawa T,Todoroki Y,Hirai N,Ohigashi H,Mitsui T

更新日期：1998-07-01 00:00:00