abstract：:The tomato (Lycopersicon esculentum Mill.) endo-beta-1,4-glucanase (EGase) Cel1 protein was characterized in fruit using specific antibodies. Two polypeptides ranging between 51 and 52 kDa were detected in the pericarp, and polypeptides ranging between 49 and 51 kDa were detected in locules. The polypeptides recognize...

journal_title：Planta

authors： Real MD,Company P,García-Agustín P,Bennett AB,González-Bosch C

更新日期：2004-11-01 00:00:00

abstract：:The models explaining root gravitropism propose that the growth response of plants to gravity is regulated by asymmetric distribution of auxin (indole-3-acetic acid, IAA). Since cytokinin has a negative regulatory role in root growth, we suspected that it might function as an inhibitor of tropic root elongation during...

journal_title：Planta

authors： Aloni R,Langhans M,Aloni E,Ullrich CI

更新日期：2004-11-01 00:00:00

abstract：:PR-1 has been extensively used as a marker for salicylic acid (SA)-mediated defence and systemic and local acquired resistance. The Arabidopsis Genome Project annotates At2g19990 as PR-1. This gene is also identified as PR-1 in two "full genome" Arabidopsis microarrays, and TAIR cites approximately 60 articles to desc...

journal_title：Planta

authors： Laird J,Armengaud P,Giuntini P,Laval V,Milner JJ

更新日期：2004-10-01 00:00:00

abstract：:In Arabidopsis thaliana (L.) Heynh., AtPhr2 and AtNsr1 encode proteins with MYB-like and alpha-helical domains. They resemble CrPsr1, a nuclear-localized MYB protein that is critical for acclimation to phosphorous (P) starvation in the alga Chlamydomonas reinhardtii. Reverse transcription-polymerase chain reaction ana...

journal_title：Planta

authors： Todd CD,Zeng P,Huete AM,Hoyos ME,Polacco JC

更新日期：2004-10-01 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：:The resurrection plant Craterostigma plantagineum Hochst. is used as an experimental system to investigate desiccation tolerance in higher plants. A search for genes activated during early stages of dehydration identified the gene CpEdi-9, which is expressed in mature seeds and in response to dehydration in the phloem...

journal_title：Planta

authors： Rodrigo MJ,Bockel C,Blervacq AS,Bartels D

更新日期：2004-08-01 00:00:00

abstract：:The control of rhythmic emission of floral volatiles emitted from Rosa damascena semperflorens cv. 'Quatre Saisons' throughout floral development under various light regimes was studied. 2-Phenylethanol was the major volatile emitted in addition to monoterpenols, oxidised monoterpenols, monoterpenes and aromatic compo...

journal_title：Planta

authors： Picone JM,Clery RA,Watanabe N,MacTavish HS,Turnbull CG

更新日期：2004-07-01 00:00:00

abstract：:The mechanism for cadmium (Cd2+) uptake into the cytosol of protoplasts from 5- to 7-day-old wheat seedlings (Triticum aestivum L. cv. Kadett) was investigated by a new method, using fluorescence microscopy and the heavy metal-specific fluorescent dye, 5-nitrobenzothiazole coumarin, BTC-5N. Cadmium fluorescence gradua...

journal_title：Planta

authors： Lindberg S,Landberg T,Greger M

更新日期：2004-07-01 00:00:00

abstract：:During sexual differentiation, Chlamydomonas reinhardtii changes its chemotactic behavior in response to ammonium. Just like gamete formation, the change in chemotaxis mode is controlled by the sequential action of two environmental cues, removal of ammonium or nitrate from the medium and light. Thus, vegetative cells...

journal_title：Planta

authors： Ermilova EV,Zalutskaya ZM,Huang K,Beck CF

更新日期：2004-07-01 00:00:00

abstract：:Plants have evolved various photoprotective mechanisms to mitigate photodamage. Here we report the diurnal movement of chloroplasts in the leaves of succulent crassulacean acid metabolism (CAM) plants under combined light and water stress. In leaves of water-stressed plants, the chloroplasts became densely clumped in ...

journal_title：Planta

authors： Kondo A,Kaikawa J,Funaguma T,Ueno O

更新日期：2004-07-01 00:00:00

abstract：:Plastid DNA, like bacterial and mitochondrial DNA, is organized into protein-DNA complexes called nucleoids. Plastid nucleoids are believed to be associated with the inner envelope in developing plastids and the thylakoid membranes in mature chloroplasts, but the mechanism for this localization is unknown. MFP1 is a D...

journal_title：Planta

authors： Jeong SY,Peffer N,Meier I

更新日期：2004-06-01 00:00:00

abstract：:We have isolated a gene from loblolly pine, 5NG4, that is highly and specifically induced by auxin in juvenile loblolly pine shoots prior to adventitious root formation, but substantially down-regulated in physiologically mature shoots that are adventitious rooting incompetent. 5NG4 was highly auxin-induced in roots, ...

journal_title：Planta

authors： Busov VB,Johannes E,Whetten RW,Sederoff RR,Spiker SL,Lanz-Garcia C,Goldfarb B

更新日期：2004-04-01 00:00:00

abstract：:The initial step in the synthesis of isoleucine (Ile) is the conversion of threonine to alpha-ketobutyrate. This reaction is carried out by threonine deaminase (TD), which is feedback-regulated by Ile. Mutations in TD that manifest insensitivity to Ile feedback inhibition result in intracellular accumulation of Ile. P...

journal_title：Planta

authors： Ebmeier A,Allison L,Cerutti H,Clemente T

更新日期：2004-03-01 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：:Transitory starch is stored during the day inside chloroplasts and then broken down at night for export. Recent data indicate that maltose is the major form of carbon exported from the chloroplast at night but its fate in the cytosol is unknown. An amylomaltase gene ( malQ) cloned from Escherichia coli is necessary fo...

journal_title：Planta

authors： Lu Y,Sharkey TD

更新日期：2004-01-01 00:00:00

abstract：:A cDNA encoding UDP-glucose: formononetin 7- O-glucosyltransferase, designated UGT73F1, was cloned from yeast extract-treated Glycyrrhiza echinata L. cell-suspension cultures using probes from Scutellaria baicalensis UDP-glucose: flavonoid 7- O-glucosyltransferase. The open reading frame of the UGT73F1 cDNA encodes a ...

journal_title：Planta

authors： Nagashima S,Inagaki R,Kubo A,Hirotani M,Yoshikawa T

更新日期：2004-01-01 00:00:00

abstract：:Two genomic clones ( OsMET1-1, AF 462029 and OsMET1-2, TPA BK001405), each encoding a cytosine-5 DNA methyltransferase (MTase), were isolated from rice ( Oryza sativa L.) BAC libraries. OsMET1-1 has an open reading frame of 4,566 nucleotides with 12 exons and 11 introns while OsMET1-2 has an open reading frame of 4,49...

journal_title：Planta

authors： Teerawanichpan P,Chandrasekharan MB,Jiang Y,Narangajavana J,Hall TC

更新日期：2004-01-01 00:00:00

abstract：:We have investigated the structure of glycans N-linked to the proteins of the moss Physcomitrella patens. The structural elucidation was carried out by western blotting using antibodies specific for N-glycan epitopes and by analysis of N-linked glycans enzymatically released from a total protein extract by combination...

journal_title：Planta

authors： Viëtor R,Loutelier-Bourhis C,Fitchette AC,Margerie P,Gonneau M,Faye L,Lerouge P

更新日期：2003-12-01 00:00:00

abstract：:By comparing the expression patterns of selected genes from Arabidopsis thaliana (L.) Heynh. grown either at 1 g or on a clinostat (horizontally or vertically inverted, 1 rpm), and either used directly or after hypergravity stimulation, we have shown that the pattern of expression did not proceed in a stereotypical ma...

journal_title：Planta

authors： Centis-Aubay S,Gasset G,Mazars C,Ranjeva R,Graziana A

更新日期：2003-12-01 00:00:00

abstract：:Two-year old saplings grown from cuttings of Cryptomeria japonica D. Don initiate strobilus development following treatment with gibberellic acid under long-day photoperiods. At 25 degrees C with a 14-h photoperiod in a phytotron, male strobili initiated normally; however, they remained green and fell from the sapling...

journal_title：Planta

authors： Fukui M

更新日期：2003-11-01 00:00:00

abstract：:The aim of this work was to test the hypothesis that endogenous ascorbate, released into the apoplast by membrane permeabilisation early in fruit ripening, could promote the solubilisation and depolymerisation of polysaccharides, and thus contribute to fruit softening. In vitro, ascorbate (1 mM), especially in the pre...

journal_title：Planta

authors： Dumville JC,Fry SC

更新日期：2003-10-01 00:00:00

abstract：:Light causes growth of dicotyledonous leaves by stimulating proton efflux, cell wall acidification and loosening, and solute accumulation for turgor maintenance. For cells still undergoing cell division at the base of expanding tobacco ( Nicotiana tabacum L. cv. Xanthi) leaves, light-stimulated growth depends on K+ up...

journal_title：Planta

authors： Stiles KA,McClintick A,Van Volkenburgh E

更新日期：2003-08-01 00:00:00

abstract：:Aminoalcoholphosphotransferases (AAPT, EC 2.7.8.1 and EC 2.7.8.2) catalyze the transfer of CDP-aminoalcohols to sn-1, 2 diacylglycerol (DAG) to form phosphatidylaminoalcohols with the release of CMP. The Brassica napus L. AAPT1 gene (designated BnAAPT1) was identified from cDNA libraries of seedlings and developing se...

journal_title：Planta

authors： Qi Q,Huang YF,Cutler AJ,Abrams SR,Taylor DC

更新日期：2003-08-01 00:00:00

abstract：:Freezing and thawing lead to xylem embolism when gas bubbles caused by ice formation expand during the thaw process. However, previous experimental studies indicated that conifers are resistant to freezing-induced embolism, unless xylem pressure becomes very negative during the freezing. In this study, we show that co...

journal_title：Planta

authors： Mayr S,Gruber A,Bauer H

更新日期：2003-07-01 00:00:00

abstract：:Endosperm was isolated from Arabica Caturra coffee beans 11, 15, 21, 26, 31 and 37 weeks after flowering, and the chemical composition and relative solubility of its component polysaccharides determined at each growth stage. Chemical analysis of the total mannan content of the cell wall material was done after solubil...

journal_title：Planta

authors： Redgwell RJ,Curti D,Rogers J,Nicolas P,Fischer M

更新日期：2003-06-01 00:00:00

abstract：:The lignification process in mature Norway spruce [ Picea abies (L.) H. Karsten] xylem cell walls was studied using transmission electron microscopy (TEM)-immunogold detection with a polyclonal antibody raised against a specific lignin substructure, dibenzodioxocin. The study reveals for the first time the exact locat...

journal_title：Planta

authors： Kukkola EM,Koutaniemi S,Gustafsson M,Karhunen P,Ruel K,Lundell TK,Saranpää P,Brunow G,Teeri TH,Fagerstedt KV

更新日期：2003-06-01 00:00:00

abstract：:The actin cytoskeleton is a key player in defense responses during early stages of infection by fungal pathogens. To investigate molecular mechanisms of actin-related defense responses, a cultured tobacco ( Nicotiana tabacum L.) BY-2 cell system was devised. When conidia were directly deposited on BY-2 cells, neither ...

journal_title：Planta

authors： Kobayashi I,Hakuno H

更新日期：2003-06-01 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：:The sulfur-amino-acid-rich delta-zeins of maize ( Zea mays L.) are represented by 18-kDa and 10-kDa proteins. We have cloned a novel 11-kDa methionine-rich delta-zein from developing endosperm of the inbred line W23a1. The nucleotide sequence of this new delta-zein is identical to the published 10-kDa delta-zein, exce...

journal_title：Planta

authors： Kim WS,Krishnan HB

更新日期：2003-05-01 00:00:00

abstract：:Amaranthus blitoides S. Watson (prostrate pigweed) populations resistant to acetolactate synthase (ALS; EC 4.1.3.18)-inhibiting herbicides and triazines (SuR/TR) were found in Israel. The Ganot population was 6- to 790-fold more resistant to ALS inhibitors than the wild type due to an altered target site. Molecular an...

journal_title：Planta

authors： Sibony M,Rubin B

更新日期：2003-04-01 00:00:00

abstract：:1,2,3,4-tetra-O-acetyl-6-ethyladipate-beta- D-glucopyranose (TOGE), a glycoside derivative of adipic acid monoethyl ester and 1,2,3,4-tetra-O-acetyl-beta- D-glucopyranose, was synthesized and the resistance-inducing activity shown by TOGE-1 (TOGE plus furfurylamine) and TOGE-2 (TOGE plus 1,3-diaminepropane) was assaye...

journal_title：Planta

authors： Flors V,Miralles MC,González-Bosch C,Carda M,García-Agustín P

更新日期：2003-04-01 00:00:00

abstract：:The genomic sequence of a rice (Oryza sativa L.) glycine-rich protein (GRP) gene, designated Osgrp-2, has been previously determined (GenBank U40708). Primer extension analysis indicated that transcription starts 47 bp upstream of the translation start codon. To gain an insight into the transcriptional regulation of t...

journal_title：Planta

authors： Liu ZZ,Wang JL,Huang X,Xu WH,Liu ZM,Fang RX

更新日期：2003-03-01 00:00:00

abstract：:In several plant species, ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activase consists of two isoforms that are produced by alternative splicing of a pre-mRNA. Two forms of activase corresponding to the longer, redox-regulated alpha and the shorter, beta forms were detected immunologically in cotton (Go...

journal_title：Planta

authors： Salvucci ME,van de Loo FJ,Stecher D

更新日期：2003-03-01 00:00:00

abstract：:Nod factors are lipo-chito-oligosaccharides secreted by rhizobia that initiate many responses in the root hairs of the legume hosts, culminating in deformed hairs. The heterotrimeric G-protein agonists mastoparan, Mas7, melittin, compound 48/80 and cholera toxin provoke root hair deformation, whereas the heterotrimeri...

journal_title：Planta

authors： Kelly MN,Irving HR

更新日期：2003-02-01 00:00:00

abstract：:Magainin is one of the earliest reported antimicrobial peptides isolated from skin secretions of the African clawed frog Xenopus laevis. A synthetic substitution analogue of magainin, MSI-99, is employed in this study to impart disease resistance in transgenic tobacco ( Nicotiana tabacumL.) and banana [( Musaspp. cv. ...

journal_title：Planta

authors： Chakrabarti A,Ganapathi TR,Mukherjee PK,Bapat VA

更新日期：2003-02-01 00:00:00

abstract：:The esterification kinetics of chlorophyllide, obtained by a single flash of light, were investigated in etiolated barley ( Hordeum vulgare L.) and oat ( Avena sativa L.) leaves. A rapid phase, leading to esterification of 15% of total chlorophyllide within 15-30 s, was followed by a lag-phase of nearly 2 min and a su...

journal_title：Planta

authors： Domanskii V,Rassadina V,Gus-Mayer S,Wanner G,Schoch S,Rüdiger W

更新日期：2003-01-01 00:00:00

abstract：:Suspension-cultured cells of mangrove [Bruguiera sexangula (Lour.) Poir.] showed a rapid increase in vacuolar volume under salt stress, although there was no change in the cell volume. The rapid increase in the vacuolar volume was an active process, which followed the activation of the tonoplast H(+)-ATPase and the va...

journal_title：Planta

authors： Mimura T,Kura-Hotta M,Tsujimura T,Ohnishi M,Miura M,Okazaki Y,Mimura M,Maeshima M,Washitani-Nemoto S

更新日期：2003-01-01 00:00:00

abstract：:Eukaryotic genomes harbor mobile genetic elements known as long terminal repeat (LTR) retrotransposons. LTR retrotransposons are closely related to the infectious and endogenous retroviruses. The viral envelope (env) gene of the retroviruses, which is responsible for their infective properties, distinguishes them from...

journal_title：Planta

authors： Abdel Ghany AG,Zaki EA

更新日期：2002-12-01 00:00:00

abstract：:The aim of this work was to examine the metabolism of exogenous gluconate by a 4-day-old cell suspension culture of Arabidopsis thaliana (L.) Heynh. Release of (14)CO(2) from [1-(14)C]gluconate was dependent on the concentration in the medium and could be resolved into a substrate-saturable component (apparent K(m) of...

journal_title：Planta

authors： Garlick AP,Moore C,Kruger NJ

更新日期：2002-12-01 00:00:00

abstract：:The Arabidopsis thaliana (L.) Heynh. mutant delayed-dehiscence2-2 (dde2-2) was identified in an En1/Spm1 transposon-induced mutant population screened for plants showing defects in fertility. The dde2-2 mutant allele is defective in the anther dehiscence process and filament elongation and thus exhibits a male-sterile...

journal_title：Planta

authors： von Malek B,van der Graaff E,Schneitz K,Keller B

更新日期：2002-11-01 00:00:00