abstract：:Soybean cyst nematode (SCN) is currently the most devastating pathogen of soybean. SCN penetrates the root and migrates toward the central vascular bundle where it establishes a complex multinucleated feeding structure that provides plant-derived nutrients to support the development and growth of the nematode. To iden...

journal_title：Journal of experimental botany

authors： Puthoff DP,Ehrenfried ML,Vinyard BT,Tucker ML

更新日期：2007-01-01 00:00:00

abstract：:Most rhizobial strains inhibit rice root growth in the presence of calcium or potassium nitrates, but not ammonium nitrate. Certain rhizobial strains, however, such as strain R4, do not inhibit rice growth and can enter rice roots and multiply in the intercellular spaces. By using the green fluorescent protein (GFP) a...

journal_title：Journal of experimental botany

authors： Perrine-Walker FM,Prayitno J,Rolfe BG,Weinman JJ,Hocart CH

更新日期：2007-01-01 00:00:00

abstract：:The suppression subtractive hybridization technique was used to identify differentially expressed genes between hormone-autotrophic and hormone-dependent Panax ginseng callus lines. A tonoplast intrinsic protein cDNA (PgTIP1) was found to be highly and specifically expressed in hormone-autotrophic ginseng cells, which...

journal_title：Journal of experimental botany

authors： Lin W,Peng Y,Li G,Arora R,Tang Z,Su W,Cai W

更新日期：2007-01-01 00:00:00

abstract：:A gene encoding a RING zinc finger ankyrin repeat protein (MjXB3), a putative E3 ubiquitin ligase, is highly expressed in petals of senescing four o'clock (Mirabilis jalapa) flowers, increasing >40,000-fold during the onset of visible senescence. The gene has homologues in many other species, and the Petunia homologue...

journal_title：Journal of experimental botany

authors： Xu X,Jiang CZ,Donnelly L,Reid MS

更新日期：2007-01-01 00:00:00

abstract：:Some of the most important changes that occur in plants during sexual reproduction involve the transition from a sporophytic to a gametophytic type of development. In this paper, these changes were evaluated for Arabidopsis thaliana. The results obtained clearly show differences in the pattern of distribution of speci...

journal_title：Journal of experimental botany

authors： Coimbra S,Almeida J,Junqueira V,Costa ML,Pereira LG

更新日期：2007-01-01 00:00:00

abstract：:Heat shock transcription factors (Hsfs) are the central regulators of the heat shock (HS) stress response in all eukaryotic organisms. HsfA2 is one of the Arabidopsis class A Hsfs, and the induction of HsfA2 expression in response to HS stress is highest among all 21 Arabidopsis Hsfs. In this study, it is reported tha...

journal_title：Journal of experimental botany

authors： Ogawa D,Yamaguchi K,Nishiuchi T

更新日期：2007-01-01 00:00:00

abstract：:The carbohydrate moieties of arabinogalactan proteins (AGPs) are essential for their physiological functions and undergo rapid turnover in vivo. Degradation of the carbohydrate moieties of AGPs seems to occur by concerted action of several glycosidases, among them alpha-L-arabinofuranosidase, beta-D-galactosidase, and...

journal_title：Journal of experimental botany

authors： Kotake T,Tsuchiya K,Aohara T,Konishi T,Kaneko S,Igarashi K,Samejima M,Tsumuraya Y

更新日期：2006-01-01 00:00:00

abstract：:Exposure to high ambient levels of NaCl affects plant water relations and creates ionic stress in the form of the cellular accumulation of Cl- and, in particular, Na+ ions. However, salt stress also impacts heavily on the homeostasis of other ions such as Ca2+, K+, and NO(3)(-) and therefore requires insights into how...

journal_title：Journal of experimental botany

authors： Maathuis FJ

更新日期：2006-01-01 00:00:00

abstract：:A method for the quantification of S-RNase levels in single styles of self-incompatible Solanum chacoense was developed and applied toward an experimental determination of the S-RNase threshold required for pollen rejection. It was found that, when single style values are averaged, accumulated levels of the S(11)- and...

journal_title：Journal of experimental botany

authors： Qin X,Liu B,Soulard J,Morse D,Cappadocia M

更新日期：2006-01-01 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：:Mutant alleles at the suffulta locus of tomato dramatically affect the pattern of plastid division throughout the plant, resulting in few, greatly enlarged chloroplasts in leaf and stem cells. suffulta plants are compromised in growth and have distinctly pale stems. The green developing tomato fruit are generally pale...

journal_title：Journal of experimental botany

authors： Forth D,Pyke KA

更新日期：2006-01-01 00:00:00

abstract：:The perception and subsequent transduction of environmental signals are primary events in the acclimation of living organisms to changes in their environment. Many of the molecular sensors and transducers of environmental stress cannot be identified by traditional and conventional methods. Therefore, the genomic infor...

journal_title：Journal of experimental botany

authors： Murata N,Suzuki I

更新日期：2006-01-01 00:00:00

abstract：:Although protein phosphorylation is integral to the regulation of protein function in diverse biological responses, relatively little is currently known about the rules that govern phosphorylation in plants. This review will discuss how the data acquired by evolving phosphoproteomic methods are beginning to fill the g...

journal_title：Journal of experimental botany

authors： Peck SC

更新日期：2006-01-01 00:00:00

abstract：:Root proliferation as a response to exploit zones of nutrient enrichment in soil has been demonstrated for a wide range of plant species. However, the effectiveness of this as a strategy to acquire nutrients is also dependent on interactions with the soil microbial community. Specifically, C-flow from roots modifies m...

journal_title：Journal of experimental botany

authors： Paterson E,Sim A,Standing D,Dorward M,McDonald AJ

更新日期：2006-01-01 00:00:00

abstract：:The aim of this work was to investigate the importance of cytosolic phosphorylating glyceraldehyde 3-phosphate dehydrogenase (GAPC) in potato carbohydrate metabolism. For this purpose, the cytosolic isoform of phosphorylating GAPC was cloned and used for an antisense approach to generate transgenic potato plants that ...

journal_title：Journal of experimental botany

authors： Hajirezaei MR,Biemelt S,Peisker M,Lytovchenko A,Fernie AR,Sonnewald U

更新日期：2006-01-01 00:00:00

abstract：:The frost hardiness of many plants such as chickpea can be increased by exposure to low non-freezing temperatures and/or the application of abscisic acid (ABA), a process known as frost acclimation. Experiments were conducted to study the response over a 14 d period of enriched plasma membrane fractions isolated from ...

journal_title：Journal of experimental botany

authors： Bakht J,Bano A,Dominy P

更新日期：2006-01-01 00:00:00

abstract：:C4 photosynthesis is a complex specialization that enhances carbon gain in hot, often arid habitats where photorespiration rates can be high. Certain features unique to C4 photosynthesis may reduce the potential for phenotypic plasticity and photosynthetic acclimation to environmental change relative to what is possib...

journal_title：Journal of experimental botany

authors： Sage RF,McKown AD

更新日期：2006-01-01 00:00:00

abstract：:The development and maturation of tomato fruits has received considerable attention because of both the uniqueness of such processes to the biology of plants and the importance of these fruits as a component of the human diet. Molecular and genetic analysis of fruit development, and especially ripening of fleshy fruit...

journal_title：Journal of experimental botany

authors： Carrari F,Fernie AR

更新日期：2006-01-01 00:00:00

abstract：:Ascorbate peroxidase (APX) exists as several isoforms that are found in various compartments in plant cells. The cytosolic and chloroplast APXs appear to play important roles in antioxidation metabolism in plant cells, yet the function of peroxisomal APX is not well studied. In this study, the localization of a putati...

journal_title：Journal of experimental botany

authors： Narendra S,Venkataramani S,Shen G,Wang J,Pasapula V,Lin Y,Kornyeyev D,Holaday AS,Zhang H

更新日期：2006-01-01 00:00:00

abstract：:Phalaenopsis orchids are among the most valuable potted flowering crops commercially produced throughout the world because of their long flower life and ease of crop scheduling to meet specific market dates. During commercial production, Phalaenopsis are usually grown at an air temperature > or =28 degrees C to inhibi...

journal_title：Journal of experimental botany

authors： Blanchard MG,Runkle ES

更新日期：2006-01-01 00:00:00

abstract：:The yield of 24 commercial varieties and accessions of common bean (Phaseolus vulgaris) has been determined at different sites in Chile and Bolivia. Statistical analysis was performed in order to characterize whether a particular variety was more or less stable in yield under different environmental conditions. Amongs...

journal_title：Journal of experimental botany

authors： Lizana C,Wentworth M,Martinez JP,Villegas D,Meneses R,Murchie EH,Pastenes C,Lercari B,Vernieri P,Horton P,Pinto M

更新日期：2006-01-01 00:00:00

abstract：:Potato has been genetically engineered for the production of commercially important ketocarotenoids including astaxanthin (3,3'-dihydroxy 4,4'-diketo-beta-carotene). To support the formation of 3-hydroxylated and 4-ketolated beta-carotene, a transgenic potato line accumulating zeaxanthin due to inactivated zeaxanthin ...

journal_title：Journal of experimental botany

authors： Gerjets T,Sandmann G

更新日期：2006-01-01 00:00:00

abstract：:Successful phloem feeding requires overcoming a number of phloem-related plant properties and reactions. The most important hurdle is formed by the phloem wound responses, such as coagulating proteins in the phloem sieve elements of the plant and in the capillary food canal in the insect's mouth parts, i.e. the stylet...

journal_title：Journal of experimental botany

authors： Tjallingii WF

更新日期：2006-01-01 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：:Flowering is a crucial developmental stage in the plant life cycle. A number of different factors, from environmental to chemical, can trigger flowering. In pineapple, and other bromeliads, it has been proposed that flowering is triggered by a small burst of ethylene production in the meristem in response to environme...

journal_title：Journal of experimental botany

authors： Trusov Y,Botella JR

更新日期：2006-01-01 00:00:00

abstract：:The MGOUN3(MGO3)/BRUSHY1(BRU1)/TONSOKU(TSK) gene of Arabidopsis thaliana encodes a nuclear leucine-glycine-asparagine (LGN) domain protein that may be implicated in chromatin dynamics and genome maintenance. Mutants with defects in MGO3 display a fasciated stem and disorganized meristem structures. The transition to f...

journal_title：Journal of experimental botany

authors： Guyomarc'h S,Benhamed M,Lemonnier G,Renou JP,Zhou DX,Delarue M

更新日期：2006-01-01 00:00:00

abstract：:Ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco) activation decreases under moderate heat stress. This decrease is caused by an impairment of activase function, which is exacerbated by faster rates of Rubisco deactivation at elevated temperatures. To determine if stromal oxidation causes inhibition of activas...

journal_title：Journal of experimental botany

authors： Salvucci ME,DeRidder BP,Portis AR Jr

更新日期：2006-01-01 00:00:00

abstract：:The scale, mechanism, and physiological importance of cuticular transpiration were last reviewed in this journal 5 and 10 years ago. Progress in our basic understanding of the underlying processes and their physiological and structural determinants has remained frustratingly slow ever since. There have been major adva...

journal_title：Journal of experimental botany

authors： Kerstiens G

更新日期：2006-01-01 00:00:00

abstract：:SU(VAR)3-9 proteins are key regulators of heterochromatin structure and function in plants, mammals, Drosophila, and yeast. In contrast to animals and fungi, plants contain numerous Su(var)3-9 homologues (SUVH), the members of which form a discrete subfamily. The SU(VAR)3-9 and SUVH proteins associate with heterochrom...

journal_title：Journal of experimental botany

authors： Casas-Mollano JA,Lao NT,Kavanagh TA

更新日期：2006-01-01 00:00:00

abstract：:Polyamines are considered to participate in various processes of plant development. In this study, the possible implication of putrescine catabolism by the copper-containing amine oxidases (CuAOs, EC 1.4.3.6) in the development of roots and hypocotyls was examined. For this purpose, two cDNA clones of Glycine max (L.)...

journal_title：Journal of experimental botany

authors： Delis C,Dimou M,Flemetakis E,Aivalakis G,Katinakis P

更新日期：2006-01-01 00:00:00

abstract：:Two groups of linear gene constructs (gus and bar, and 1Ax1 and bar) lacking vector backbone sequences were independently transferred into the elite wheat (Triticum aestivum L.) variety EM12, and genetically stable transgenic plants with low copy number transgene integration were recovered. Co-transformation experimen...

journal_title：Journal of experimental botany

authors： Yao Q,Cong L,Chang JL,Li KX,Yang GX,He GY

更新日期：2006-01-01 00:00:00

abstract：:The relationship between photosynthetic energy conservation and thermal dissipation of light energy is considered, with emphasis on organisms which tolerate full desiccation without suffering photo-oxidative damage in strong light. As soon as water becomes available to dry poikilohydric organisms, they resume photosyn...

journal_title：Journal of experimental botany

authors： Heber U,Lange OL,Shuvalov VA

更新日期：2006-01-01 00:00:00

abstract：:To investigate the relationship between a carotenoid profile and gene expression for carotenoid cleavage dioxygenases, three citrus varieties that exhibit different 9-cis-violaxanthin levels in their juice sacs, Satsuma mandarin (Citrus unshiu Marc.; a variety accumulating a low level of 9-cis-violaxanthin), Valencia ...

journal_title：Journal of experimental botany

authors： Kato M,Matsumoto H,Ikoma Y,Okuda H,Yano M

更新日期：2006-01-01 00:00:00

abstract：:Capsella is a small genus within the mustard family (Brassicaceae). Its three species, however, show many evolutionary trends also observed in other Brassicaceae (including Arabidopsis) and far beyond, including transitions from a diploid, self-incompatible, obligatory outcrossing species with comparatively large and ...

journal_title：Journal of experimental botany

authors： Hintz M,Bartholmes C,Nutt P,Ziermann J,Hameister S,Neuffer B,Theissen G

更新日期：2006-01-01 00:00:00

abstract：:An enzymatically active recombinant protein kinase, previously isolated and characterized in Fagus sylvatica L. dormant seeds (FsPK1), was used to obtain a specific polyclonal antibody against this protein. Immunoblotting and immunohistochemical analysis of FsPK1 protein in beech seeds showed a strong immunostaining i...

journal_title：Journal of experimental botany

authors： Reyes D,Rodríguez D,Lorenzo O,Nicolás G,Cañas R,Cantón FR,Canovas FM,Nicolás C

更新日期：2006-01-01 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：:In peach (Prunus persica L. Batsch.) the degradation of the pectic compounds of the cell wall is considered to be the principal component responsible for fruit softening. Many genes encoding enzymes acting on the different polymers of the pectic matrix have been shown to be highly expressed during the late phases of s...

journal_title：Journal of experimental botany

authors： Trainotti L,Pavanello A,Zanin D

更新日期：2006-01-01 00:00:00

abstract：:Leaf senescence and associated changes in redox components were monitored in commercial pea (Pisum sativum L. cv. Phoenix) plants grown under different nitrogen regimes for 12 weeks until both nodules and leaves had fully senesced. One group of plants was inoculated with Rhizobium leguminosarum and grown with nutrient...

journal_title：Journal of experimental botany

authors： Vanacker H,Sandalio L,Jiménez A,Palma JM,Corpas FJ,Meseguer V,Gómez M,Sevilla F,Leterrier M,Foyer CH,del Río LA

更新日期：2006-01-01 00:00:00

abstract：:Nitric oxide has been reported to act as a signalling molecule in different plant tissues and to participate in a variety of physiological processes. It is produced by different enzymes and sources. The root-specific plasma membrane-bound enzymes forming NO from the substrates nitrate and nitrite are of particular int...

journal_title：Journal of experimental botany

authors： Stöhr C,Stremlau S

更新日期：2006-01-01 00:00:00

abstract：:Topoisomerase I (topo I) is a nuclear enzyme which plays a fundamental role in several pathways involving changes in DNA topology. The topo I-mediated reaction is accomplished by the transient covalent binding of the enzyme to DNA (topo I-DNA complex). Stabilization of the topo I-DNA complex, leading to irreversible d...

journal_title：Journal of experimental botany

authors： Locato V,Balestrazzi A,De Gara L,Carbonera D

更新日期：2006-01-01 00:00:00