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Genomes and Genes | medicagoSummarySummary: A plant genus of the family FABACEAE. It is distinct from Sweet Clover (MELILOTUS), from Bush Clover (LESPEDEZA), and from Red Clover (TRIFOLIUM). Top Publications
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Publications
Aging in legume symbiosis. A molecular view on nodule senescence in Medicago truncatulaWillem Van de Velde
Department of Plant Systems Biology, Flanders Interuniversity Institute for Biotechnology, Ghent University, B-9052 Gent, Belgium
Plant Physiol 141:711-20. 2006..We present a comprehensive transcriptomics study to understand the onset of nodule senescence in the legume Medicago truncatula...- Differentiation of symbiotic cells and endosymbionts in Medicago truncatula nodulation are coupled to two transcriptome-switchesNicolas Maunoury
Institut des Sciences du Vegetal, Centre National de la Recherche Scientifique, Unité Propre de Recherche 2355, Gif sur Yvette, France
PLoS ONE 5:e9519. 2010The legume plant Medicago truncatula establishes a symbiosis with the nitrogen-fixing bacterium Sinorhizobium meliloti which takes place in root nodules... - Nodule initiation involves the creation of a new symplasmic field in specific root cells of medicago speciesArnaud Complainville
, 91198 Gif sur Yvette, France
Plant Cell 15:2778-91. 2003..Here, we explore cell-to-cell communication processes that occur during nodule initiation in Medicago species and their functional relevance using a combination of fluorescent tracers, electron microscopy, and .. 
Novel roles for GIGANTEA revealed under environmental conditions that modify its expression in Arabidopsis and Medicago truncatulaJudith Paltiel
The Robert H Smith Institute for Plant Sciences and Genetics, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University, P O Box 12, Rehovot, 76100, Israel
Planta 224:1255-68. 2006..a strong response of GI expression to changes in temperature and light, in both Arabidopsis and the model legume Medicago truncatula. Extreme temperatures resulted in increased GI trough levels...- Identification and characterization of nodulation-signaling pathway 2, a gene of Medicago truncatula involved in Nod actor signalingGiles E D Oldroyd
Department of Biological Sciences, Stanford University, Stanford, California 94305-5020, USA
Plant Physiol 131:1027-32. 2003..Here, we describe the identification of a new locus, nodulation-signaling pathway 2 (NSP2), of Medicago truncatula that is involved in Nod factor signaling... 
Multiple copies of rosR and pssA genes enhance exopolysaccharide production, symbiotic competitiveness and clover nodulation in Rhizobium leguminosarum bv. trifoliiMonika Janczarek
Department of Genetics and Microbiology, Institute of Microbiology and Biotechnology, University of M Curie Skłodowska, Akademicka 19, 20 033 Lublin, Poland
Antonie Van Leeuwenhoek 96:471-86. 2009..Overall, experimental evidence is provided that increased amount of EPS beneficially affects R. leguminosarum bv. trifolii competitiveness and symbiosis with clover...- The Nod factor-elicited annexin MtAnn1 is preferentially localised at the nuclear periphery in symbiotically activated root tissues of Medicago truncatulaFernanda De Carvalho-Niebel
Laboratoire de Biologie Moleculaire des relations Plantes Microorganismes, INRA CNRS UMR 215, BP 27, 31326 Castanet Tolosan Cedex, France
Plant J 32:343-52. 2002The Medicago truncatula MtAnn1 gene, encoding a putative annexin, is transcriptionally activated in root tissues in response to rhizobial Nod factors... - The endosymbiosis-induced genes ENOD40 and CCS52a are involved in endoparasitic-nematode interactions in Medicago truncatulaBruno Favery
, INRA, 123, Antibes, France
Mol Plant Microbe Interact 15:1008-13. 2002..whether beneficial plant symbionts and biotrophic pathogens induce distinct or overlapping regulatory pathways in Medicago truncatula... - Monolignol biosynthesis in microsomal preparations from lignifying stems of alfalfa (Medicago sativa L.)Dianjing Guo
Plant Biology Division, Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, Oklahoma 73401, USA
Phytochemistry 61:657-67. 2002Microsomal preparations from lignifying stems of alfalfa (Medicago sativa L... - Molecular cloning and characterization of triterpene synthases from Medicago truncatula and Lotus japonicusInaki Iturbe-Ormaetxe
Sainsbury Laboratory, John Innes Centre, Colney Lane, Norwich NR4 7UH, U K
Plant Mol Biol 51:731-43. 2003..Here we report the cloning and characterization of a total of three triterpene synthases from the legume species Medicago truncatula and Lotus japonicus. These include a beta-amyrin synthase from M... - Medicago species affect the community composition of arbuscular mycorrhizal fungi associated with rootsB Pivato
INRA, Universite de Bourgogne, UMR1229 Microbiologie du Sol et de l Environnement, CMSE, 17 rue Sully, BP 86510, F 21065 Dijon Cedex, France
New Phytol 176:197-210. 2007..LSU rDNA) and quantitative polymerase chain reaction (qPCR) were combined to assess the impact of four annual Medicago species (Medicago laciniata, Medicago murex, Medicago polymorpha and Medicago truncatula) on the genetic .. - Multilocus sequence analysis of root nodule isolates from Lotus arabicus (Senegal), Lotus creticus, Argyrolobium uniflorum and Medicago sativa (Tunisia) and description of Ensifer numidicus sp. nov. and Ensifer garamanticus sp. novC Merabet
Laboratoire de Rhizobiologie, Université d Oran, Es Senia, Algeria
Int J Syst Evol Microbiol 60:664-74. 2010Nine isolates from Argyrolobium uniflorum, Lotus creticus , Medicago sativa (Tunisia) and Lotus arabicus (Senegal) were analysed by multilocus sequence analysis (MLSA) of five housekeeping genes (recA, atpD, glnA, gltA and thrC), the 16S .. - SRAP polymorphisms associated with superior freezing tolerance in alfalfa (Medicago sativa spp. sativa)Yves Castonguay
Crops and Soils Research and Development Center, Agriculture and Agri Food Canada, 2560 Hochelaga Blvd, Quebec, QC, G1V 2J3, Canada
Theor Appl Genet 120:1611-9. 2010..Homology search gave matches with BAC clones from syntenic Medicago truncatula for the four SRAP fragments... - Exploring root symbiotic programs in the model legume Medicago truncatula using EST analysisEtienne Pascal Journet
Laboratoire de Biologie Moleculaire des relations Plantes Microorganismes, CNRS INRA, Laboratoire de Biométrie et Intelligence Artificielle, INRA, 31326 Castanet Tolosan Cedex, France
Nucleic Acids Res 30:5579-92. 2002..sequencing and analysis program aimed at characterizing the sets of genes expressed in roots of the model legume Medicago truncatula during interactions with either of two microsymbionts, the nitrogen-fixing bacterium Sinorhizobium .. - A novel family in Medicago truncatula consisting of more than 300 nodule-specific genes coding for small, secreted polypeptides with conserved cysteine motifsPeter Mergaert
, Centre National de la Recherche Scientifique, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
Plant Physiol 132:161-73. 2003Transcriptome analysis of Medicago truncatula nodules has led to the discovery of a gene family named NCR (nodule-specific cysteine rich) with more than 300 members... - Arbuscular mycorrhizal fungi elicit a novel intracellular apparatus in Medicago truncatula root epidermal cells before infectionAndrea Genre
Department of Plant Biology, University of Turin and Istituto per la Protezione delle Piante-Consiglio Nazionale delle Richerche, Italy
Plant Cell 17:3489-99. 2005..evaluate the role played by the host plant during AM infection, we have studied in vivo cellular dynamics within Medicago truncatula root epidermal cells using green fluorescent protein labeling of both the plant cytoskeleton and the .. - RNA interference in Agrobacterium rhizogenes-transformed roots of Arabidopsis and Medicago truncatulaErik Limpens
Laboratory of Molecular Biology, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, The Netherlands
J Exp Bot 55:983-92. 2004..to examine the extent of systemic spread of the silencing signal in the composite plants of both Arabidopsis and Medicago truncatula... - Efficient transposition of the Tnt1 tobacco retrotransposon in the model legume Medicago truncatulaViviane Cosson
, CNRS, Avenue de la Terrasse, 91198 Gif sur Yvette Cedex, France
Plant J 34:95-106. 2003..Here, we report its transposition in the R108 line of Medicago truncatula during the early steps of the in vitro transformation-regeneration process... - Expression of the apyrase-like APY1 genes in roots of Medicago truncatula is induced rapidly and transiently by stress and not by Sinorhizobium meliloti or Nod factorsMaria-Teresa Navarro-Gochicoa
, Institut National de la Recherche Agronomique-Centre National de la Recherche Scientifique, Boite Postale 27, 31326 Castanet-Tolosan Cedex, France
Plant Physiol 131:1124-36. 2003The model legume Medicago truncatula contains at least six apyrase-like genes, five of which (MtAPY1;1, MtAPY1;2, MtAPY1;3, MtAPY1;4, and MtAPY1;5) are members of a legume-specific family, whereas a single gene (MtAPY2) has closer .. - Mapping the proteome of barrel medic (Medicago truncatula)Bonnie S Watson
Plant Biology Division, The Samuel Roberts Noble Foundation, PO Box 2180, Ardmore, Oklahoma 73402, USA
Plant Physiol 131:1104-23. 2003A survey of six organ-/tissue-specific proteomes of the model legume barrel medic (Medicago truncatula) was performed... - Patterns of variability and gene flow in Medicago citrina, an endangered endemic of islands in the western Mediterranean, as revealed by amplified fragment length polymorphism (AFLP)A Juan
Instituto Universitario de Investigación Centro Iberoamericano de la Biodiversidad, Universidad de Alicante, PO Box 99, E 03080, Spain
Mol Ecol 13:2679-90. 2004b>Medicago citrina is an endangered western Mediterranean endemic that grows only on small islets of the Balearic archipelago and off the eastern Spanish coast... - Cytological, genetic, and molecular analysis to characterize compatible and incompatible interactions between Medicago truncatula and Colletotrichum trifoliiCarine Torregrosa
UMR 5546 CNRS-UPS, , 24 Chemin de Borde Rouge, BP17 Auzeville, 31326 Castanet-Tolosan, France
Mol Plant Microbe Interact 17:909-20. 2004In this study, a new pathosystem was established using the model plant Medicago truncatula and Colletotrichum trifolii, the causal agent of anthracnose on Medicago sativa. Screening of a few M... - Syntenic relationships between Medicago truncatula and Arabidopsis reveal extensive divergence of genome organizationHongyan Zhu
Department of Plant Pathology, University of California, Davis, California 95616, USA
Plant Physiol 131:1018-26. 2003Arabidopsis and Medicago truncatula represent sister clades within the dicot subclass Rosidae... - Dual genetic pathways controlling nodule number in Medicago truncatulaR Varma Penmetsa
Department of Biological Sciences, Stanford University, Stanford, California 94305, USA
Plant Physiol 131:998-1008. 2003We report the isolation and characterization of a new Medicago truncatula hyper-nodulation mutant, designated sunn (super numeric nodules)... - Nod factor elicits two separable calcium responses in Medicago truncatula root hair cellsSidney L Shaw
Howard Hughes Medical Institute, Department of Biological Sciences, Stanford University, Stanford, California 94305, USA
Plant Physiol 131:976-84. 2003..Here, we characterize early calcium responses of wild-type and mutant Medicago truncatula plants to nodulation factors produced by the bacterial symbiont Sinorhizobium meliloti using a dual-.. - Construction and validation of cDNA-based Mt6k-RIT macro- and microarrays to explore root endosymbioses in the model legume Medicago truncatulaHelge Küster
Lehrstuhl fur Genetik, Fakultat fur Biologie, Universitat Bielefeld, Postfach 100131, Bielefeld D 33501, Germany
J Biotechnol 108:95-113. 2004..construct macro- and microarray tools suitable for expression profiling in root endosymbioses of the model legume Medicago truncatula, we PCR-amplified a total of 6048 cDNA probes representing genes expressed in uninfected roots, .. - Expression of the plastid-located glutamine synthetase of Medicago truncatula. Accumulation of the precursor in root nodules reveals an in vivo control at the level of protein import into plastidsPaula M Melo
Instituto de Biologia Molecular e Celular, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal
Plant Physiol 132:390-9. 2003In this paper, we report the cloning and characterization of the plastid-located glutamine synthetase (GS) of Medicago truncatula Gaertn (MtGS2)... - The Medicago truncatula sucrose synthase gene MtSucS1 is activated both in the infected region of root nodules and in the cortex of roots colonized by arbuscular mycorrhizal fungiNatalija Hohnjec
, , , Postfach 100131, D-33501 Bielefeld, Germany
Mol Plant Microbe Interact 16:903-15. 2003The MtSucS1 gene encodes a sucrose synthase (EC 2.4.1.13) in the model legume Medicago truncatula. To determine the expression pattern of this gene in different organs and in particular during root endosymbioses, we transformed M... - Expression profiling of up-regulated plant and fungal genes in early and late stages of Medicago truncatula-Glomus mosseae interactionsL Brechenmacher
, INRA/CMSE, BP 86510, 21065, Dijon Cedex, France
Mycorrhiza 14:253-62. 2004..identified 12 plant genes and six fungal genes that are expressed in the arbuscular mycorrhizal symbiosis between Medicago truncatula and Glomus mosseae... - Medicago truncatula EST-SSRs reveal cross-species genetic markers for Medicago sppI Eujayl
The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK 73401, USA
Theor Appl Genet 108:414-22. 2004..From over 147,000 ESTs of Medicago truncatula, we have identified 4,384 ESTs containing perfect simple sequence repeats (EST-SSR) of di-, tri-, .. - Proteomics of Medicago truncatula seed development establishes the time frame of diverse metabolic processes related to reserve accumulationKarine Gallardo
Unité de Génétique et Ecophysiologie des Légumineuses, Institut National de la Recherche Agronomique Dijon, Domaine d Epoisses, 21110 Bretenières, France
Plant Physiol 133:664-82. 2003We utilized a proteomic approach to investigate seed development in Medicago truncatula, cv Jemalong, line J5 at specific stages of seed filling corresponding to the acquisition of germination capacity and protein deposition... - Production of substances by Medicago truncatula that affect bacterial quorum sensingMengsheng Gao
Department of Horticulture and Crop Science, 2021 Coffey Rd, Ohio State University, Columbus, OH 43210, USA
Mol Plant Microbe Interact 16:827-34. 2003..The secretion of AHL QS mimic activities by germinating seeds and seedlings was found to change substantially with developmental age. The secretion of some mimic activities may be dependent upon prior exposure of the plants to bacteria... - A nonsymbiotic root hair tip growth phenotype in NORK-mutated legumes: implications for nodulation factor-induced signaling and formation of a multifaceted root hair pocket for bacteriaJohn J Esseling
Laboratory of Plant Cell Biology, Department of Plant Sciences, Wageningen University, Arboretumlaan 4, 6703 BD Wageningen, The Netherlands
Plant Cell 16:933-44. 2004The Medicago truncatula Does not Make Infections (DMI2) mutant is mutated in the nodulation receptor-like kinase, NORK... - Auxin up-regulates MtSERK1 expression in both Medicago truncatula root-forming and embryogenic culturesKim E Nolan
University of Newcastle and Australian Research Council Centre of Excellence for Integrative Legume Research, School of Environmental and Life Sciences University, Dr. Callaghan, NSW 2308, Australia
Plant Physiol 133:218-30. 2003We have cloned a SOMATIC EMBRYOGENESIS RECEPTOR KINASE (SERK) gene from Medicago truncatula (MtSERK1) and examined its expression in culture using real time PCR... - Regulation of pssA and pssB gene expression in Rhizobium leguminosarum bv. trifolii in response to environmental factorsMonika Janczarek
Department of General Microbiology, , Akademicka 19 st, 20-033 Lublin, Poland
Antonie Van Leeuwenhoek 85:217-27. 2004..The pssB-gusA fusion was expressed mainly in the infection zone and interzone of the nodule and the pattern of expression was dependent on the plant phosphate availability... - An integrated physical, genetic and cytogenetic map around the sunn locus of Medicago truncatulaE Schnabel
Department of Genetic and Biochemistry, Clemson University, Clemson, SC USA
Genome 46:665-72. 2003The sunn mutation of Medicago truncatula is a single-gene mutation that confers a novel supernodulation phenotype in response to inoculation with Sinorhizobium meliloti... - A sequence-based genetic map of Medicago truncatula and comparison of marker colinearity with M. sativaHong-Kyu Choi
Department of Plant Pathology, University of California, Davis, California 95616, USA
Genetics 166:1463-502. 2004A core genetic map of the legume Medicago truncatula has been established by analyzing the segregation of 288 sequence-characterized genetic markers in an F(2) population composed of 93 individuals... - Efficient transformation of Medicago truncatula cv. Jemalong using the hypervirulent Agrobacterium tumefaciens strain AGL1M Chabaud
Laboratoire des Interactions Plantes Microorganismes, INRA CNRS, UMR215, BP 27, 31326 Castanet Tolosan Cedex, France
Plant Cell Rep 22:46-51. 2003The efficiency of Agrobacterium tumefaciens transformation of the model legume Medicago truncatula cv. Jemalong (genotype 2HA) was evaluated for strains LBA 4404, C58pMP90, C58pGV2260 and AGL1... - Comparative physical mapping reveals features of microsynteny between Glycine max, Medicago truncatula, and Arabidopsis thalianaH H Yan
Department of Plant Pathology, University of Minnesota, St Paul, MN 55108, USA
Genome 47:141-55. 2004To gain insight into genomic relationships between soybean (Glycine max) and Medicago truncatula, eight groups of bacterial artificial chromosome (BAC) contigs, together spanning 2.60 million base pairs (Mb) in G. max and 1.56 Mb in M... - Sinorhizobium meliloti-induced chitinase gene expression in Medicago truncatula ecotype R108-1: a comparison between symbiosis-specific class V and defence-related class IV chitinasesPeter Salzer
Botanisches Institut der Universität Basel, Hebelstrasse 1, 4056, Switzerland
Planta 219:626-38. 2004The Medicago truncatula (Gaertn.) ecotypes Jemalong A17 and R108-1 differ in Sinorhizobium meliloti-induced chitinase gene expression... - Estimates of conserved microsynteny among the genomes of Glycine max, Medicago truncatula and Arabidopsis thalianaH H Yan
Department of Plant Pathology, 495 Borlaug Hall, 1991 Upper Buford Circle, University of Minnesota, St. Paul 55108, USA
Theor Appl Genet 106:1256-65. 2003..To estimate the level of microsynteny between Medicago truncatula (Mt) and Glycine max (soybean), and also among homoeologous segments of soybean, we used a .. - Plant and bacterial symbiotic mutants define three transcriptionally distinct stages in the development of the Medicago truncatula/Sinorhizobium meliloti symbiosisRaka Mustaphi Mitra
Department of Biological Sciences, Stanford University, Stanford, California 94305, USA
Plant Physiol 134:595-604. 2004In the Medicago truncatula/Sinorhizobium meliloti symbiosis, the plant undergoes a series of developmental changes simultaneously, creating a root nodule and allowing bacterial entry and differentiation... - Lepidopteran herbivory and oral factors induce transcripts encoding novel terpene synthases in Medicago truncatulaSusana K Gomez
Department of Plant Pathology, University of Arkansas, Fayetteville 72701, USA
Arch Insect Biochem Physiol 58:114-27. 2005..Sequences predicted to encode terpene synthases were selected from an expressed sequence tag (EST) database of Medicago truncatula. Four putative terpene synthase clones (MtTps1-MtTps4), originating from a chewing insect-damaged M... - The first gene-based map of Lupinus angustifolius L.-location of domestication genes and conserved synteny with Medicago truncatulaMatthew N Nelson
School of Plant Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia, Perth, WA 6009, Australia
Theor Appl Genet 113:225-38. 2006..map of Lupinus angustifolius (narrow-leafed lupin) and its comparison to the partially sequenced genome of Medicago truncatula... - Medicago-Sinorhizobium symbiotic specificity evolution and the geographic expansion of MedicagoG Bena
Laboratoire des Symbioses Tropicales et Méditerranéennes, Campus de Baillarguet, Montpellier, France
J Evol Biol 18:1547-58. 2005The legume genus Medicago interacts with soil bacteria commonly referred to as rhizobia, in a nitrogen fixing symbiosis... - Nitrogen-fixing sinorhizobia with Medicago laciniata constitute a novel biovar (bv. medicaginis) of S. melilotiMaria Del Carmen Villegas
, TA10/J, Campus International de Baillarguet, 34 398 Montpellier Cedex 5, France
Syst Appl Microbiol 29:526-38. 2006Sixty-eight new rhizobial isolates were obtained from root-nodules of Medicago laciniata and from Mediterranean soils in Tunisia and France... - Root meristems in Medicago truncatula tissue culture arise from vascular-derived procambial-like cells in a process regulated by ethyleneRay J Rose
Australian Research Council Centre of Excellence for Integrative Legume Research, School of Environmental and Life Sciences, The University of Newcastle, University Drive, Callaghan, NSW 2308, Australia
J Exp Bot 57:2227-35. 2006Leaf explants of Medicago truncatula were used to investigate the origins of auxin-induced root formation... - The molecular genetic linkage map of the model legume Medicago truncatula: an essential tool for comparative legume genomics and the isolation of agronomically important genesPhilippe Thoquet
Laboratoire de Biologie Moleculaire des relations Plantes Microorganismes, CNRS INRA, BP27, 31326 Castanet Tolosan Cedex, France
BMC Plant Biol 2:1. 2002The legume Medicago truncatula has emerged as a model plant for the molecular and genetic dissection of various plant processes involved in rhizobial, mycorrhizal and pathogenic plant-microbe interactions... - Annual Medicago: from a model crop challenged by a spectrum of necrotrophic pathogens to a model plant to explore the nature of disease resistanceB Tivoli
Institut National de la Recherche Agronomique, Centre de Recherche de Rennes, UMR BiO3P Domaine de la Motte, BP 35327 Le Rheu Cedex, France
Ann Bot (Lond) 98:1117-28. 2006BACKGROUND: Annual Medicago spp., including M... - Medicago truncatula plants overexpressing the early nodulin gene enod40 exhibit accelerated mycorrhizal colonization and enhanced formation of arbusculesC Staehelin
Institut des Sciences du Vegetal, UPR2355 Centre National de la Recherche Scientifique, F 91198 Gif sur Yvette, France
Proc Natl Acad Sci U S A 98:15366-71. 2001..b>Medicago truncatula plants overexpressing enod40 exhibited stimulated mycorrhizal colonization in comparison with control .. - Microtubule organization in root cells of Medicago truncatula during development of an arbuscular mycorrhizal symbiosis with Glomus versiformeE B Blancaflor
Plant Biology Division, Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK 73401, USA
Protoplasma 217:154-65. 2001..mycorrhizal symbiosis, we examined the three-dimensional arrangement of microtubules in roots of the model legume Medicago truncatula colonized by the arbuscular mycorrhizal fungus Glomus versiforme by indirect immunofluorescence and .. - Alfalfa (Medicago sativa L.) flavonoids. 2. Tricin and chrysoeriol glycosides from aerial partsA Stochmal
Department of Biochemistry, Institute of Soil Science and Plant Cultivation, ul Czartoryskich 8, 24 100 Pulawy, Poland
J Agric Food Chem 49:5310-4. 2001..Two previously identified alfalfa flavones, 7-O-beta-D-glucuronopyranosidetricin and 7-O-[beta-D-glucuronopyranosyl(1-->2)-O-beta-D-glucuronopyranoside]tricin, were also isolated... - Transgenic Medicago truncatula plants that accumulate proline display nitrogen-fixing activity with enhanced tolerance to osmotic stressD Verdoy
Department of Plant Physiology and Ecology, Instituto de Recursos Naturales, Centro de Ciencias Medioambientales, CSIC, Serrano 115-bis, 28006 Madrid, Spain
Plant Cell Environ 29:1913-23. 2006..Here, we transformed the model legume Medicago truncatula with the P5CS gene from Vigna aconitifolia, and nodule activity was evaluated under osmotic stress in .. - Adaptive evolution of the symbiotic gene NORK is not correlated with shifts of rhizobial specificity in the genus MedicagoStéphane De Mita
UMR 1097 Diversité et Adaptation des Plantes Cultivées INRA Montpellier, France
BMC Evol Biol 7:210. 2007..The Medicago genus, where changes in rhizobial associations have been previously examined, is a good model to test whether the .. - Phylogeny and genomic organization of the TIR and non-tIR NBS-LRR resistance gene family in Medicago truncatulaHongyan Zhu
Department of Plant Pathology, University of California, Davis 95616, USA
Mol Plant Microbe Interact 15:529-39. 2002..Moreover, sequences from species within the closely related Trifoleae and Viceae tribes (e.g., Medicago and Pisum spp.) tended to be cophyletic and distinct from sequences of Phaseoleae species (e.g... - The transcription factor MtSERF1 of the ERF subfamily identified by transcriptional profiling is required for somatic embryogenesis induced by auxin plus cytokinin in Medicago truncatulaFeky R Mantiri
Australian Research Council Centre of Excellence for Integrative Legume Research, School of Environmental and Life Sciences, University of Newcastle, Callaghan, New South Wales 2308, Australia
Plant Physiol 146:1622-36. 2008Transcriptional profiling of embryogenic callus produced from Medicago truncatula mesophyll protoplasts indicated up-regulation of ethylene biosynthesis and ethylene response genes... - Ion allocation in two different salt-tolerant Mediterranean Medicago speciesJohn V Sibole
Department of Biology, Universitat de les Illes Balears, Cra Valldemossa Km 7, 5, 07071 Palma de Mallorca, Balears, Spain
J Plant Physiol 160:1361-5. 2003The relationship between Na+, major cation concentrations and salt tolerance under long-term saline conditions of Medicago arborea and Medicago citrina was studied... - Significant microsynteny with new evolutionary highlights is detected between Arabidopsis and legume model plants despite the lack of macrosyntenyZoltan Kevei
Institute of Genetics, Biological Research Center of the Hungarian Academy of Sciences, P O Box 521, 6701, Szeged, Hungary
Mol Genet Genomics 274:644-57. 2005..The comparison of the map position of 172 gene-based Medicago sativa markers to the organization of homologous A... - Microsynteny between pea and Medicago truncatula in the SYM2 regionGustavo Gualtieri
Molecular Biology, Wageningen University, Netherlands
Plant Mol Biol 50:225-35. 2002..The purpose of this study was to determine if the model legume Medicago truncatula, which is a close relative of pea, could be used as a reference genome to facilitate the cloning of .. - Glycine-rich proteins encoded by a nodule-specific gene family are implicated in different stages of symbiotic nodule development in Medicago sppZoltan Kevei
Institut des Sciences du Vegetal, CNRS UPR 2355, Gif sur Yvette, France
Mol Plant Microbe Interact 15:922-31. 2002..genes encoding small proteins with significantly high glycine content have been identified from root nodules of Medicago sativa... - A genomics approach to the early stages of triterpene saponin biosynthesis in Medicago truncatulaHideyuki Suzuki
Plant Biology Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK 73401, USA
Plant J 32:1033-48. 2002The saponins of the model legume Medicago truncatula are glycosides of at least five different triterpene aglycones: soyasapogenol B, soyasapogenol E, medicagenic acid, hederagenin and bayogenin... - Analytical and biological variances associated with proteomic studies of Medicago truncatula by two-dimensional polyacrylamide gel electrophoresisVictor S Asirvatham
Plant Biology Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK 73402, USA
Proteomics 2:960-8. 2002..are being used as proteomic tools in an integrated functional genomics program focused on the model legume Medicago truncatula... - Identification and cloning of the bacterial nodulation specificity gene in the Sinorhizobium meliloti--Medicago laciniata symbiosisL R Barran
Soils and Crops Development Centre, Agriculture and Agri Food Canada, 2560 Hochelaga Blvd, Sainte Foy, QC G1V 2J3, Canada
Can J Microbiol 48:765-71. 2002b>Medicago laciniata (cut-leaf medic) is an annual medic that is highly nodulation specific, nodulating only with a restricted range of Sinorhizobium meliloti. e.g... - Insertional mutagenesis: a Swiss Army knife for functional genomics of Medicago truncatulaMillion Tadege
Plant Biology Division, The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK 73401, USA
Trends Plant Sci 10:229-35. 2005..Over the past decade, Medicago truncatula has been selected as a model plant in which to study biological processes that are unique and .. - The promoter of the Vicia faba L. leghemoglobin gene VfLb29 is specifically activated in the infected cells of root nodules and in the arbuscule-containing cells of mycorrhizal roots from different legume and nonlegume plantsMartin F Vieweg
, , , P. O. Box 100131, D-33501 Bielefeld, Germany
Mol Plant Microbe Interact 17:62-9. 2004..Expression of the chimeric gene was analyzed in transgenic hairy roots of the legumes V. faba, V. hirsuta, and Medicago truncatula as well as in transgenic Nicotiana tabacum plants... - Spatial monitoring of gene activity in extraradical and intraradical developmental stages of arbuscular mycorrhizal fungi by direct fluorescent in situ RT-PCRPascale M A Seddas
UMR 1088 INRA 5184 CNRS Université de Bourgogne, Plante Microbe Environnement, INRA CMSE, BP 86510, 21065 Dijon Cedex, France
Fungal Genet Biol 45:1155-65. 2008..Direct fluorescent in situ RT-PCR offers new perspectives for the sensitive analysis of fungal developmental processes that occur during functional differentiation in symbiotic arbuscular mycorrhiza interactions... - A putative Ca2+ and calmodulin-dependent protein kinase required for bacterial and fungal symbiosesJulien Levy
Laboratoire des Interactions Plantes Microorganismes INRA CNRS, BP27, 31326 Castanet Tolosan Cedex, France
Science 303:1361-4. 2004..DMI3, a Medicago truncatula gene that acts immediately downstream of calcium spiking in this signaling pathway and is required for .. - Rhizobium cellulase CelC2 is essential for primary symbiotic infection of legume host rootsM Robledo
Departamento de Microbiología y Genética and Centro Hispano Luso de Investigaciones Agrarias, Universidad de Salamanca, 37007 Salamanca, Spain
Proc Natl Acad Sci U S A 105:7064-9. 2008..leguminosarum bv. trifolii-white clover symbiosis... - Medicago truncatula DMI1 required for bacterial and fungal symbioses in legumesJean Michel Ané
Department of Plant Pathology, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA
Science 303:1364-7. 2004..Here, we describe the cloning and characterization of one such gene from the legume Medicago truncatula... - Biochemical characterization of symbiosome membrane proteins from Medicago truncatula root nodulesChristina M Catalano
Department of Plant and Soil Sciences and the Delaware Biotechnology Institute, University of Delaware, Newark, DE 19711, USA
Electrophoresis 25:519-31. 2004..In this study, the symbiosome membrane protein profile from the model system Medicago truncatula and the corresponding bacterium Sinorhizobium meliloti was examined using two-dimensional .. - A UDP-glucose:isoflavone 7-O-glucosyltransferase from the roots of soybean (glycine max) seedlings. Purification, gene cloning, phylogenetics, and an implication for an alternative strategy of enzyme catalysisAkio Noguchi
Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Aoba yama 6 6 11, Sendai 980 8579, Japan
J Biol Chem 282:23581-90. 2007..and thus lacks the histidine residue corresponding to the proposed catalytic residue of glycosyltransferases from Medicago truncatula (UGT71G1) and Vitis vinifera (VvGT1)... - MsCYS1, a developmentally-regulated cystatin from alfalfaDaniel Rivard
CRH INAF, Pavillon des Services INAF, Universite Laval, Quebec, Quebec G1K 7P4, Canada
Plant Physiol Biochem 45:508-14. 2007..We report here the cloning, expression and functional characterization of a novel cystatin from alfalfa, Medicago sativa L... - Plant science. GRAS genes and the symbiotic green revolutionMichael K Udvardi
Max-Planck Institute of Molecular Plant Physiology, , 14476 Golm, Germany
Science 308:1749-50. 2005 - Nodulation signaling in legumes requires NSP2, a member of the GRAS family of transcriptional regulatorsPeter Kalo
Departments of Disease and Stress Biology and Molecular Microbiology, John Innes Centre, Norwich NR4 7UH, UK
Science 308:1786-9. 2005..Here, we show that NSP2 from Medicago truncatula encodes a GRAS protein essential for Nod-factor signaling... - NSP1 of the GRAS protein family is essential for rhizobial Nod factor-induced transcriptionPatrick Smit
Department of Plant Science, Laboratory of Molecular Biology, Wageningen University, Wageningen 6703 HA, Netherlands
Science 308:1789-91. 2005..Here we report the identification of the Medicago GRAS-type protein Nodulation signaling pathway 1 (NSP1), which is essential for all known Nod factor-induced .. - Impact of sewage sludges on Medicago truncatula symbiotic proteomeGwénaëlle Bestel-Corre
UMR 1088 INRA CNRS 5184 UB Plante Microbe Environnement, INRA CMSE, BP 86510, 21065 Dijon Cedex, France
Phytochemistry 65:1651-9. 2004The effects of sewage sludges were investigated on the symbiotic interactions between the model plant Medicago truncatula and the arbuscular mycorrhizal fungus Glomus mosseae or the rhizobial bacteria Sinorhizobium meliloti... - Sub-cellular proteomic analysis of a Medicago truncatula root microsomal fractionBenoit Valot
UMR 1088 INRA CNRS 5184 UB Plante Microbe Environment, INRA CMSE, BP 86510, 21065 Dijon, France
Phytochemistry 65:1721-32. 2004Since the last decade, Medicago truncatula has emerged as one of the model plants particularly investigated in the field of plant-microbe interactions... - FixJ: a major regulator of the oxygen limitation response and late symbiotic functions of Sinorhizobium melilotiChristine Bobik
Laboratoire des Interactions Plantes Microorganismes (LIPM, UMR441-2594 CNRS/INRA BP52627, Chemin de Borde Rouge, Auzeville, 31326 Castanet-Tolosan Cedex, France
J Bacteriol 188:4890-902. 2006..Mutations in selected novel FixJ targets did not affect the ability of the bacteria to form nitrogen-fixing nodules on Medicago sativa roots. From these results, we propose an updated model of the FixJ regulon. - Insertion of transposon Tn5tac1 in the Sinorhizobium meliloti malate dehydrogenase (mdh) gene results in conditional polar effects on downstream TCA cycle genesSergiy I Dymov
Department of Natural Resource Sciences, McGill University, QC, Canada
Mol Plant Microbe Interact 17:1318-27. 2004..Cosmid clone pDS15 restored MDH activity to Rm30049, complemented both the mutant growth and symbiotic phenotypes, and was found to carry six complete (sdhB, mdh, sucCDAB) and two partial (IpdA, sdhA) tricarboxylic acid cycle genes... - [Calcium and Nod signaling]Frédéric Debellé
Laboratoire des Interactions Plantes Micro organismes, INRA UMR 441, CNRS, UMR 2594, BP 52627, 31320 Castanet Tolosan, France
Med Sci (Paris) 23:130-2. 2007 - The typA gene is required for stress adaptation as well as for symbiosis of Sinorhizobium meliloti 1021 with certain Medicago truncatula linesErnö Kiss
Laboratoire des Interactions Plantes Microorganismes, Centre National de la Recherche Scientifique UMR 2594, Institut National de la Recherche Agronomique UMR 441, BP27, 31326 Castanet, Tolosan Cedex, France
Mol Plant Microbe Interact 17:235-44. 2004..typA was indispensable for symbiosis on Medicago truncatula Jemalong and F83005... - A phosphate transporter from Medicago truncatula involved in the acquisition of phosphate released by arbuscular mycorrhizal fungiMaria J Harrison
The Samuel Roberts Noble Foundation, 2510 Sam Noble Parkway, Ardmore, OK 73401, USA
Plant Cell 14:2413-29. 2002..In Medicago truncatula, a model legume used widely for studies of root symbioses, it is apparent that the phosphate .. - Endoreduplication mediated by the anaphase-promoting complex activator CCS52A is required for symbiotic cell differentiation in Medicago truncatula nodulesJose Maria Vinardell
, , 91198 Gif-sur-Yvette, France
Plant Cell 15:2093-105. 2003In Medicago nodules, endoreduplication cycles and ploidy-dependent cell enlargement occur during the differentiation of bacteroid-containing nitrogen-fixing symbiotic cells... - A phosphate transporter gene from the extra-radical mycelium of an arbuscular mycorrhizal fungus Glomus intraradices is regulated in response to phosphate in the environmentI E Maldonado-Mendoza
The Samuel Roberts Noble Foundation, Ardmore, OK 73401, USA
Mol Plant Microbe Interact 14:1140-8. 2001..mycelium of the arbuscular mycorrhizal fungus Glomus intraradices during mycorrhizal association with carrot or Medicago truncatula roots... - LysM domain receptor kinases regulating rhizobial Nod factor-induced infectionErik Limpens
Laboratory of Molecular Biology, Department of Plant Sciences, Wageningen University, Dreijenlaan 3, 6703HA, Wageningen, Netherlands
Science 302:630-3. 2003..We exploited the close phylogenetic relationship of pea and the model legume Medicago truncatula to identify genes specifically involved in rhizobial infection. The SYM2 orthologous region of M... - Overlapping plant signal transduction pathways induced by a parasitic nematode and a rhizobial endosymbiontH Koltai
Department of Plant Pathology, North Carolina State University, Raleigh 27695, USA
Mol Plant Microbe Interact 14:1168-77. 2001..We isolated the orthologues of PHAN and KNOX (Mt-phan and Mt-knox-1) from the model legume Medicago truncatula, and established the spatial distribution of their expression in situ... - Structure-function analysis of nod factor-induced root hair calcium spiking in Rhizobium-legume symbiosisRebecca J Wais
Department of Biological Sciences, Howard Hughes Medical Institute, Stanford University, CA 94305, USA
Plant Physiol 129:211-24. 2002..is an oscillatory behavior of cytoplasmic calcium, or calcium spiking, in root hair cells, initially observed in Medicago spp. and subsequently characterized in four other genera (D.W. Ehrhardt, R. Wais, S.R... - Nod factor induction of reactive oxygen species production is correlated with expression of the early nodulin gene rip1 in Medicago truncatulaSenthil K Ramu
Department of Plant Pathology and Microbiology, Texas A and M University, College Station 77843-2132, USA
Mol Plant Microbe Interact 15:522-8. 2002..Taken together, these results suggest that ROS production is a consequence of specific Nod factor perception and implicate H2O2 produced during this response as a mediator of Nod factor-induced rip1 expression... - Proteome analysis and identification of symbiosis-related proteins from Medicago truncatula Gaertn. by two-dimensional electrophoresis and mass spectrometryGwénaëlle Bestel-Corre
UMR INRA Université de Bourgogne Biochimie, Biologie Cellulaire et Ecologie des Interactions Plantes Microorganismes, CMSE INRA, Dijon, France
Electrophoresis 23:122-37. 2002..root protein profiles was studied by two-dimensional gel electrophoresis and silver staining in the model plant Medicago truncatula, inoculated either with the arbuscular mycorrhizal fungus Glomus mosseae or with the nitrogen fixing .. - A diffusible factor from arbuscular mycorrhizal fungi induces symbiosis-specific MtENOD11 expression in roots of Medicago truncatulaSonja Kosuta
, , , 24 chemin de Borde-Rouge, 31326 Castanet-Tolosan Cedex, France
Plant Physiol 131:952-62. 2003Using dual cultures of arbuscular mycorrhizal (AM) fungi and Medicago truncatula separated by a physical barrier, we demonstrate that hyphae from germinating spores produce a diffusible factor that is perceived by roots in the absence of .. - The Medicago species A2-type cyclin is auxin regulated and involved in meristem formation but dispensable for endoreduplication-associated developmental programsFrancois Roudier
Institut des Sciences du Végétale, Centre National de la Recherche Scientiique Unité Propre de Recherche, Gi sur Yvette, France
Plant Physiol 131:1091-103. 2003..Here, we investigated the function and regulation of an alfalfa (Medicago sativa) A2-type cyclin in three distinct root developmental programs: in primary and secondary root development, .. - Transcript profiling coupled with spatial expression analyses reveals genes involved in distinct developmental stages of an arbuscular mycorrhizal symbiosisJinyuan Liu
Boyce Thompson Institute for Plant Research, Ithaca, New York 14853, USA
Plant Cell 15:2106-23. 2003..Here, we used cDNA arrays to examine transcript profiles in Medicago truncatula roots during the development of an AM symbiosis with Glomus versiforme and during growth under .. - Nodule-specific modulation of glutamine synthetase in transgenic Medicago truncatula leads to inverse alterations in asparagine synthetase expressionHelena G Carvalho
Instituto de Biologia Molecular e Celular, Rua do Campo Alegre 823, 4150 180 Porto, Portugal
Plant Physiol 133:243-52. 2003Transgenic Medicago truncatula plants were produced harboring chimeric gene constructs of the glutamine synthetase (GS) cDNA clones (MtGS1a or MtGS1b) fused in sense or antisense orientation to the nodule-specific leghemoglobin promoter .. - Genetic and cytogenetic mapping of DMI1, DMI2, and DMI3 genes of Medicago truncatula involved in Nod factor transduction, nodulation, and mycorrhizationJean Michel Ané
Laboratoire de Biologie Moléculaire des Relations Plante Microorganismes, CNRS INRA UMR215, Castanet Tolosan, France
Mol Plant Microbe Interact 15:1108-18. 2002The DMI1, DMI2, and DMI3 genes of Medicago truncatula, which are required for both nodulation and mycorrhization, control early steps of Nod factor signal transduction... - Characterization of four lectin-like receptor kinases expressed in roots of Medicago truncatula. Structure, location, regulation of expression, and potential role in the symbiosis with Sinorhizobium melilotiMaria-Teresa Navarro-Gochicoa
Laboratoire des Interactions Plantes-Microorganismes, Institut National de la Recherche Agronomique-Centre National de la Recherche Scientifique, Boite Postale 27, 31326 Castanet-Tolosan Cedex, France
Plant Physiol 133:1893-910. 2003..role of LecRK (lectin-like receptor kinase) genes in the legumerhizobia symbiosis, we have characterized the four Medicago truncatula Gaernt. LecRK genes that are most highly expressed in roots... - Functional diversity of arbuscular mycorrhizas extends to the expression of plant genes involved in P nutritionStephen H Burleigh
Plant Research Department, Risø National Laboratory, DK 4000 Roskilde, Denmark
J Exp Bot 53:1593-601. 2002This study of functional diversity considers symbiotic associations between two plant species, Medicago truncatula and Lycopersicon esculentum, and seven species of arbuscular mycorrhizal fungi (AMF)... - Two distantly related genes encoding 1-deoxy-d-xylulose 5-phosphate synthases: differential regulation in shoots and apocarotenoid-accumulating mycorrhizal rootsMichael H Walter
Leibniz Institut für Pflanzenbiochemie, Abteilung Sekundärstoffwechsel, Weinberg 3, D 06120 Halle Saale, Germany
Plant J 31:243-54. 2002..We have identified two distinct classes of DXS-like cDNAs from the model legume Medicago truncatula... - Plant sciences. How legumes select their sweet talking symbiontsJulie Cullimore
Laboratoire des Interactions Plantes-Microorganismes, CNRS-INRA, 31326 Castanet-Tolosan Cedex, France
Science 302:575-8. 2003 - Transcriptional changes in response to arbuscular mycorrhiza development in the model plant Medicago truncatulaAnne Wulf
Department of Molecular Genetics, University Hannover, Herrenhaeuser Str. 2, 30419 Hannover, Germany
Mol Plant Microbe Interact 16:306-14. 2003..In order to identify such AM-exclusive gene inductions of Medicago truncatula, we used a pool of different RNA samples as subtractor population in a suppressive subtractive .. - A plasma membrane zinc transporter from Medicago truncatula is up-regulated in roots by Zn fertilization, yet down-regulated by arbuscular mycorrhizal colonizationStephen H Burleigh
Plant Research Department, Riø National Laboratory, 4000 Roskilde, Denmark
Plant Mol Biol 52:1077-88. 2003Here we present a Zn transporter cDNA named MtZIP2 from the model legume Medicago truncatula... - Use of bromodeoxyuridine immunocapture to identify active bacteria associated with arbuscular mycorrhizal hyphaeVeronica Artursson
Department of Microbiology, Swedish University of Agricultural Sciences, 750 07 Uppsala, Sweden
Appl Environ Microbiol 69:6208-15. 2003..This study was the first to use this combination of molecular and traditional approaches to isolate, identify, and visualize a specific bacterium that is active in fallow soil and associates with arbuscular mycorrhizal hyphae...
Research Grants
- Control of Symbiotic Gene Expression in Sinorhizobium melilotiSharon R Long; Fiscal Year: 2010..which establishes a beneficial nitrogen fixing symbiosis with host plants including the model legume Medicago truncatula...
- Quorum Sensing in Sinorhizobium melilotiJuan Gonzalez; Fiscal Year: 2009The symbiotic relationship between the nitrogen-fixing Sinorhizobium meliloti and its legume host (Medicago sativa) is the result of an intricate signaling network between the host and the symbiont...
- Quorum Sensing in Sinorhizobium melilotiJuan Gonzalez; Fiscal Year: 2006The symbiotic relationship between the nitrogen-fixing Sinorhizobium meliloti and its legume host (Medicago sativa) is the result of an intricate signaling network between the host and the symbiont...
- Nutritional Impact of Modifying Calcium PartitioningKendal Hirschi; Fiscal Year: 2007..how changes in the calcium partitioning, in agriculturally important plants such as potatoes and the forage crop Medicago truncatula, affect nutrient availability...
- MOLECULAR GENETICS OF RHIZOBIUM NODULATION PLASMIDSGraham C Walker; Fiscal Year: 2010..Finally, our work on the S. meliloti-Medicago symbiosis serves as a model for many symbioses found in Nature...
- REGULATION OF NODULATION GENES IN RHIZOBIUM MELILOTISharon Long; Fiscal Year: 2002..Rhizobium meliloti, that infects and establishes symbiosis with eukaryotic plant hosts such as alfalfa (Medicago sativa)...