Extracellular beta-glucosidase activity in barley involved in the hydrolysis of ABA glucose conjugate in leaves.

abstract：:Phytopathogen infection leads to changes in secondary metabolism based on the induction of defence programmes as well as to changes in primary metabolism which affect growth and development of the plant. Therefore, pathogen attack causes crop yield losses even in interactions which do not end up with disease or death ...

journal_title：Journal of experimental botany

authors： Berger S,Sinha AK,Roitsch T

更新日期：2007-01-01 00:00:00

abstract：:Classical and recently found phytohormones play an important role in plant growth and development, but plants additionally control these processes through small signalling peptides. Over 1000 potential small signalling peptide sequences are present in the Arabidopsis genome. However, to date, a mere handful of small s...

journal_title：Journal of experimental botany

authors： Czyzewicz N,Yue K,Beeckman T,De Smet I

更新日期：2013-12-01 00:00:00

abstract：:Low-temperature stress is an important factor affecting the growth and development of rice (Oryza sativa L.) in temperate and high-elevation areas. Cold stress may cause various seedling injuries, delayed heading and yield reduction due to spikelet sterility. In this study, 181 microsatellite marker loci were used to ...

journal_title：Journal of experimental botany

authors： Andaya VC,Mackill DJ

更新日期：2003-11-01 00:00:00

abstract：:We explored the idea of whether electropotential waves (EPWs) primarily act as vehicles for systemic spread of Ca(2+) signals. EPW-associated Ca(2+) influx may trigger generation and amplification of countless long-distance signals along the phloem pathway given the fact that gating of Ca(2+)-permeable channels is a u...

journal_title：Journal of experimental botany

authors： van Bel AJ,Furch AC,Will T,Buxa SV,Musetti R,Hafke JB

更新日期：2014-04-01 00:00:00

abstract：:Dihydroflavonol 4-reductase (DFR) is the first committed enzyme of the anthocyanin and condensed tannin pathways. Several DFR cDNAs have been cloned, and different specificities of DFR isozymes in the substrate hydroxylation patterns have been reported, but only fragmentary knowledge of DFR gene organization is availa...

journal_title：Journal of experimental botany

authors： Shimada N,Sasaki R,Sato S,Kaneko T,Tabata S,Aoki T,Ayabe S

更新日期：2005-09-01 00:00:00

abstract：:In peach trees (Prunus persica L. Batsch cv. Redhaven), sorbitol is a primary photosynthetic product and may play an important role in the budbreak process. Surprisingly, before budbreak (from January to early March), the concentration of sorbitol in the xylem sap decreases, while that of hexoses (glucose and fructose...

journal_title：Journal of experimental botany

authors： Maurel K,Sakr S,Gerbe F,Guilliot A,Bonhomme M,Rageau R,Pétel G

更新日期：2004-04-01 00:00:00

abstract：:Plant programmed cell death (PCD) is a genetically controlled process that plays an important role in development and stress responses. Reactive oxygen species (ROS) are key inducers of PCD. The addition of 50 mM H₂O₂ to tobacco Bright Yellow-2 (TBY-2) cell cultures induces PCD. A comparative proteomic analysis of TBY...

journal_title：Journal of experimental botany

authors： Vannini C,Marsoni M,Cantara C,De Pinto MC,Locato V,De Gara L,Bracale M

更新日期：2012-05-01 00:00:00

abstract：:Previously, it was found that Nep1Mo (a Nep1-like protein from Magnaporthe oryzae) could trigger a variety of plant responses, including stomatal closure, hypersensitive cell death (HCD), and defence-related gene expression, in Nicotiana benthamiana. In this study, it was found that Nep1Mo-induced cell death could be ...

journal_title：Journal of experimental botany

authors： Teng W,Zhang H,Wang W,Li D,Wang M,Liu J,Zhang H,Zheng X,Zhang Z

更新日期：2014-06-01 00:00:00

abstract：:Soil composition largely defines the living conditions of plants and represents one of their most relevant, dynamic and complex environmental cues. The effective concentrations of many either tolerated or essential ions and compounds in the soil usually differ from the optimum that would be most suitable for plants. I...

journal_title：Journal of experimental botany

authors： Manishankar P,Wang N,Köster P,Alatar AA,Kudla J

更新日期：2018-05-24 00:00:00

abstract：:This study presents the characterization of the plasma membrane (PM) H+-ATPases in potato, focusing on their role in stolon and tuber development. Seven PM H+-ATPase genes were identified in the Solanum tuberosum genome, designated PHA1-PHA7. PHA genes show distinct expression patterns in different plant tissues and u...

journal_title：Journal of experimental botany

authors： Stritzler M,Muñiz García MN,Schlesinger M,Cortelezzi JI,Capiati DA

更新日期：2017-10-13 00:00:00

abstract：:Transgenic tobacco (Nicotiana tabacum cv. LA Burley 21) lines expressing three genes encoding enzymes thought to be critical for the efficient production of phytochelatins, (i) serine acetyltransferase (EC 2.3.1.30) involved in the production of O-acetylserine, the cysteine precursor, (ii) gamma-glutamylcysteine synth...

journal_title：Journal of experimental botany

authors： Wawrzynski A,Kopera E,Wawrzynska A,Kaminska J,Bal W,Sirko A

更新日期：2006-01-01 00:00:00

abstract：:Manganese (Mn) is an essential micronutrient for plant growth but is often toxic in acid or waterlogged soils. Using cowpea (Vigna unguiculata L. Walp.) grown with 0.05-1500 μM Mn in solution, two short-term (48 h) solution culture experiments examined if the effects of cations (Ca, Mg, Na, Al, or H) on Mn nutrition a...

journal_title：Journal of experimental botany

authors： Kopittke PM,Blamey FP,Wang P,Menzies NW

更新日期：2011-07-01 00:00:00

abstract：:Participation of the intervascular transport system within the rice stem during cadmium (Cd) partitioning was investigated by characterizing (109)Cd behaviour in the shoot. In addition, (45)Ca, (32)P, and (35)S partitioning patterns were analysed for comparison with that of (109)Cd. Each tracer was applied to the seed...

journal_title：Journal of experimental botany

authors： Kobayashi NI,Tanoi K,Hirose A,Nakanishi TM

更新日期：2013-01-01 00:00:00

abstract：:Images taken at different spectral bands are increasingly used for characterizing plants and their health status. In contrast to conventional point measurements, imaging detects the distribution and quantity of signals and thus improves the interpretation of fluorescence and reflectance signatures. In multispectral fl...

journal_title：Journal of experimental botany

authors： Lenk S,Chaerle L,Pfündel EE,Langsdorf G,Hagenbeek D,Lichtenthaler HK,Van Der Straeten D,Buschmann C

更新日期：2007-01-01 00:00:00

abstract：:Transpiration of cuticular membranes isolated from the lower stomatous surface of Hedera helix (ivy) leaves was measured using a novel approach which allowed a distinction to be made between gas phase diffusion (through stomatal pores) and solid phase diffusion (transport through the polymer matrix membrane and cuticu...

journal_title：Journal of experimental botany

authors： Santrůcek J,Simánová E,Karbulková J,Simková M,Schreiber L

更新日期：2004-06-01 00:00:00

abstract：:The aim of this study was to determine the relationship between shoot nitrate concentration, mediated by nitrate supply to roots, and root exudation from Hordeum vulgare. Plants were grown for 14 d in C-free sand microcosms, supplied with nutrient solution containing 2 mM nitrate. After this period, three treatments w...

journal_title：Journal of experimental botany

authors： Darwent MJ,Paterson E,McDonald AJ,Tomos AD

更新日期：2003-01-01 00:00:00

abstract：:We previously reported that a novel motor protein belonging to the kinesin-12 family, NtKRP, displays critical roles in regulating embryo and seed size establishment. However, it remains unknown exactly how NtKRP contributes to this developmental process. Here, we report that a 60S ribosomal protein NtRPL17 directly i...

journal_title：Journal of experimental botany

authors： Tian S,Wu J,Liu Y,Huang X,Li F,Wang Z,Sun MX

更新日期：2017-11-28 00:00:00

abstract：:The effects of synchronous photo (16 h daylength) and thermo (2 degrees C daily fluctuation) cycles on flowering time were compared with constant light and temperature treatments using two barley mapping populations derived from the facultative cultivar 'Dicktoo'. The 'Dicktoo'x'Morex' (spring) population (DM) segrega...

journal_title：Journal of experimental botany

authors： Karsai I,Szucs P,Koszegi B,Hayes PM,Casas A,Bedo Z,Veisz O

更新日期：2008-01-01 00:00:00

abstract：:Cellulose synthases (CesA) represent a group of beta-1,4 glycosyltransferases involved in cellulose biosynthesis. Recent molecular studies confirmed that a large CesA gene family encoding various CesA isoforms exists in plants. The isolation and characterization of a new, full-length CesA cDNA, PtrCesA5 from an econom...

journal_title：Journal of experimental botany

authors： Kalluri UC,Joshi CP

更新日期：2003-09-01 00:00:00

abstract：:The floral repressor APETALA2 (AP2) in Arabidopsis regulates flowering through the age pathway. The AP2 ortholog in the alpine perennial Arabis alpina, PERPETUAL FLOWERING 2 (PEP2), was previously reported to control flowering through the vernalization pathway via enhancing the expression of another floral repressor P...

journal_title：Journal of experimental botany

authors： Lazaro A,Zhou Y,Giesguth M,Nawaz K,Bergonzi S,Pecinka A,Coupland G,Albani MC

更新日期：2019-02-05 00:00:00

abstract：:Cell wall disassembly in softening fruits is a complex process involving the cumulative action of many families of wall-modifying proteins on interconnected polysaccharide matrices. One strategy to elucidate the in vivo substrates of specific enzymes and their relative importance and contribution to wall modification ...

journal_title：Journal of experimental botany

authors： Santiago-Doménech N,Jiménez-Bemúdez S,Matas AJ,Rose JK,Muñoz-Blanco J,Mercado JA,Quesada MA

更新日期：2008-01-01 00:00:00

abstract：:Leghemoglobins transport and deliver O2 to the symbiosomes inside legume nodules and are essential for nitrogen fixation. However, the roles of other hemoglobins (Hbs) in the rhizobia-legume symbiosis are unclear. Several Lotus japonicus mutants affecting LjGlb1-1, a non-symbiotic class 1 Hb, have been used to study t...

journal_title：Journal of experimental botany

authors： Fukudome M,Calvo-Begueria L,Kado T,Osuki K,Rubio MC,Murakami E,Nagata M,Kucho K,Sandal N,Stougaard J,Becana M,Uchiumi T

更新日期：2016-09-01 00:00:00

abstract：:A SAG12:ipt gene construct, which increases cytokinin biosynthesis in response to senescence, was introduced into Arabidopsis plants to delay senescence induced by flooding stress. Two forms of flooding stress, including total submergence and root waterlogging, were applied to SAG12:ipt (IPT) and wild-type (WT) plants...

journal_title：Journal of experimental botany

authors： Huynh le N,Vantoai T,Streeter J,Banowetz G

更新日期：2005-05-01 00:00:00

abstract：:Pyruvate,orthophosphate dikinase (PPDK) plays a controlling role in the PEP-regeneration phase of the C(4) photosynthetic pathway. Earlier studies have fully documented its biochemical properties and its post-translational regulation by the PPDK regulatory protein (PDRP). However, the question of its evolution into th...

journal_title：Journal of experimental botany

authors： Chastain CJ,Failing CJ,Manandhar L,Zimmerman MA,Lakner MM,Nguyen TH

更新日期：2011-05-01 00:00:00

abstract：:An H(+)-pyrophosphatase (PPase) gene named TsVP involved in basic biochemical and physiological mechanisms was cloned from Thellungiella halophila. The deduced translation product has similar characteristics to H(+)-PPases from other species, such as Arabidopsis and rice, in terms of bioinformation. The heterologous e...

journal_title：Journal of experimental botany

authors： Gao F,Gao Q,Duan X,Yue G,Yang A,Zhang J

更新日期：2006-01-01 00:00:00

abstract：:A suppressor screen using dwarf mutants of barley (Hordeum vulgare L.) led to the isolation of 'overgrowth' derivatives, which retained the original dwarfing gene but grew at a faster rate because of a new mutation. The new mutations were in the Slender1 (Sln1) gene (11/13 cases), which encodes the DELLA protein centr...

journal_title：Journal of experimental botany

authors： Chandler PM,Harding CA

更新日期：2013-04-01 00:00:00

abstract：:In maize, water stress at flowering causes loss of kernel set and productivity. While changes in the levels of sugars and abscisic acid (ABA) are thought to play a role in this stress response, the mechanistic basis and genes involved are not known. A candidate gene approach was used with association mapping to identi...

journal_title：Journal of experimental botany

authors： Setter TL,Yan J,Warburton M,Ribaut JM,Xu Y,Sawkins M,Buckler ES,Zhang Z,Gore MA

更新日期：2011-01-01 00:00:00

abstract：:Plants have evolved highly complex sensory mechanisms to monitor their surroundings and adapt their growth and development to the prevailing environmental conditions. The integration of information from multiple environmental cues enables the co-ordination of development with favourable seasonal conditions and, ultima...

journal_title：Journal of experimental botany

authors： Franklin KA,Whitelam GC

更新日期：2004-01-01 00:00:00

abstract：:Phytocystatins are inhibitors of cysteine proteinases from plants putatively involved in defence and as endogenous regulators of protein turnover. Seven genes encoding cystatins (HvCPI-1 to HvCPI-7), identified from EST collections and from an endosperm cDNA library, have been characterized. The intron-exon structure ...

journal_title：Journal of experimental botany

authors： Abraham Z,Martinez M,Carbonero P,Diaz I

更新日期：2006-01-01 00:00:00

abstract：:Metabolic perturbations by a gain-of-function approach provide a means to alter steady states of metabolites and query network properties, while keeping enzyme complexes intact. A combination of genetic and targeted metabolomics approach was used to understand the network properties of phenylpropanoid secondary metabo...

journal_title：Journal of experimental botany

authors： Reuben S,Rai A,Pillai BV,Rodrigues A,Swarup S

更新日期：2013-11-01 00:00:00