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Le Guen, V.; Rodier-Goud, M.; Troispoux, V.; Xiong, T.C.; Brottier, P.; Billot, C.; Seguin, M. |
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Title |
Characterization of polymorphic microsatellite markers for Microcyclus ulei, causal, agent of South American leaf blight of rubber trees |
Type |
Journal Article |
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Year |
2004 |
Publication  |
Molecular Ecology Notes |
Abbreviated Journal |
Mol. Ecol. Notes |
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Volume |
4 |
Issue |
1 |
Pages |
122-124 |
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Keywords |
Hevea brasiliensis; Microcyclus ulei; microsatellite markers; phytopathogenic fungi; South American leaf blight |
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Abstract |
South American leaf blight caused by the ascomycete Microcyclus Wei is the most harmful disease of the rubber tree in Latin America and a potential threat to Asiatic and African natural rubber production. Until now, the variability of this fungus was assessed through observation of pathogenicity of isolates on a range of rubber tree clones with known resistance reactions. The present study describes the process used to design 11 microsatellite markers and evaluates their usefulness in detecting genetic polymorphism. Nine of these markers were polymorphic among six isolates from Brazil (with two to three alleles per locus) and five markers were polymorphic among four isolates from French Guiana (with two to four alleles per locus). |
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CIRAD, F-97387 Kourou, France, Email: vincent.le_guen@cirad.fr |
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BLACKWELL PUBLISHING LTD |
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1471-8278 |
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ISI:000189159500037 |
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EcoFoG @ eric.marcon @ |
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265 |
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Andris, M.; Aradottir, G.I.; Arnau, G.; Audzijonyte, A.; Bess, E.C.; Bonadonna, F.; Bourdel, G.; Bried, J.; Bugbee, G.J.; Burger, P.A.; Chair, H.; Charruau, P.C.; Ciampi, A.Y.; Costet, L.; Debarro, P.J.; Delatte, H.; Dubois, M.P.; Eldridge, M.D.B.; England, P.R.; Enkhbileg, D.; Fartek, B.; Gardner, M.G.; Gray, K.A.; Gunasekera, R.M.; Hanley, S.J.; Havil, N.; Hereward, J.P.; Hirase, S.; Hong, Y.; Jarne, P.; Qi, J.F.; Johnson, R.N.; Kanno, M.; Kijima, A.; Kim, H.C.; Kim, K.S.; Kim, W.J.; Larue, E.; Lee, J.W.; Lee, J.H.; Li, C.H.; Liao, M.H.; Lo, N.; Lowe, A.J.; Malausa, T.; Male, P.J.G.; Marko, M.D.; Martin, J.F.; Messing, R.; Miller, K.J.; Min, B.W.; Myeong, J.I.; Nibouche, S.; Noack, A.E.; Noh, J.K.; Orivel, J.; Park, C.J.; Petro, D.; Prapayotin-Riveros, K.; Quilichini, A.; Reynaud, B.; Riginos, C.; Risterucci, A.M.; Rose, H.A.; Sampaio, I.; Silbermayr, K.; Silva, M.B.; Tero, N.; Thum, R.A.; Vinson, C.C.; Vorsino, A.; Vossbrinck, C.R.; Walzer, C.; White, J.C.; Wieczorek, A.; Wright, M. |
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Title |
Permanent Genetic Resources added to Molecular Ecology Resources Database 1 June 2010-31 July 2010 |
Type |
Journal Article |
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Year |
2010 |
Publication |
Molecular Ecology Resources |
Abbreviated Journal |
Mol. Ecol. Resour. |
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Volume |
10 |
Issue |
6 |
Pages |
1106-1108 |
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This article documents the addition of 205 microsatellite marker loci to the Molecular Ecology Resources Database. Loci were developed for the following species: Bagassa guianensis, Bulweria bulwerii, Camelus bactrianus, Chaenogobius annularis, Creontiades dilutus, Diachasmimorpha tryoni, Dioscorea alata, Euhrychiopsis lecontei, Gmelina arborea, Haliotis discus hannai, Hirtella physophora, Melanaphis sacchari, Munida isos, Thaumastocoris peregrinus and Tuberolachnus salignus. These loci were cross-tested on the following species: Halobaena caerulea, Procellaria aequinoctialis, Oceanodroma monteiroi, Camelus ferus, Creontiades pacificus, Dioscorea rotundata, Dioscorea praehensilis, Dioscorea abyssinica, Dioscorea nummularia, Dioscorea transversa, Dioscorea esculenta, Dioscorea pentaphylla, Dioscorea trifida, Hirtella bicornis, Hirtella glandulosa, Licania alba, Licania canescens, Licania membranaceae, Couepia guianensis and 7 undescribed Thaumastocoris species. |
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[Andris, Malvina; Bried, Joel] Univ Acores, Ctr IMAR, Dept Oceanog & Pescas, P-9901862 Horta, Acores, Portugal, Email: editorial.office@molecol.com |
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WILEY-BLACKWELL PUBLISHING, INC |
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1755-098X |
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ISI:000282876300024 |
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EcoFoG @ eric.marcon @ |
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28 |
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Arranz, S.E.; Avarre, J.-C.; Balasundaram, C.; Bouza, C.; Calcaterra, N.B.; Cezilly, F.; Chen, S.-L.; Cipriani, G.; Cruz, V.P.; D'Esposito, D.; Daniel, C.; Dejean, A.; Dharaneedharan, S.; Díaz, J.; Du, M.; Durand, J.-D.; Dziadek, J.; Foresti, F.; Peng-Cheng, F.; Gao, Q.-B.; García, G.; Gauffre-Autelin, P.; Giovino, A.; Goswami, M.; Guarino, C.; Guerra-Varela, J.; Gutiérrez, V.; Harris, D.J.; Heo, M.-S.; Khan, G.; Kim, M.; Lakra, W.S.; Lauth, J.; Leclercq, P.; Lee, J.; Lee, S.-H.; Lee, S.; Lee, T.; Li, Y.-H.; Liu, H.; Liu, S.; Malé, P.-J.G.; Mandhan, R.P.; Martinez, P.; Mayer, V.E.; Mendel, J.; Mendes, N.J.; Mendonça, F.F.; Minias, A.; Minias, P.; Oh, K.-S.; Oliveira, C.; Orivel, J.; Orsini, L.; Pardo, B.G.; Perera, A.; Procaccini, G.; Rato, C.; Ríos, N.; Scibetta, S.; Sharma, B.S.; Sierens, T.; Singh, A.; Terer, T.; Triest, L.; Urbánková, S.; Vera, M.; Villanova, G.V.; Voglmayr, H.; Vyskočilová, M.; Wang, H.; Wang, J.-L.; Wattier, R.A.; Xing, R.; Yadav, K.; Yin, G.; Yuan, Y.; Yun, J.-C.; Zhang, F.-Q.; Zhang, J.-H.; Zhuang, Z. |
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Permanent Genetic Resources added to Molecular Ecology Resources Database 1 December 2012-31 January 2013 |
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Journal Article |
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Year |
2013 |
Publication |
Molecular Ecology Resources |
Abbreviated Journal |
Mol. Ecol. Resour. |
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13 |
Issue |
3 |
Pages |
546-549 |
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This article documents the addition of 268 microsatellite marker loci to the Molecular Ecology Resources Database. Loci were developed for the following species: Alburnoides bipunctatus, Chamaerops humilis, Chlidonias hybrida, Cyperus papyrus, Fusarium graminearum, Loxigilla barbadensis, Macrobrachium rosenbergii, Odontesthes bonariensis, Pelteobagrus vachelli, Posidonia oceanica, Potamotrygon motoro, Rhamdia quelen, Sarotherodon melanotheron heudelotii, Sibiraea angustata, Takifugu rubripes, Tarentola mauritanica, Trimmatostroma sp. and Wallago attu. These loci were cross-tested on the following species: Alburnoides fasciatus, Alburnoides kubanicus, Alburnoides maculatus, Alburnoides ohridanus, Alburnoides prespensis, Alburnoides rossicus, Alburnoides strymonicus, Alburnoides thessalicus, Alburnoides tzanevi, Carassius carassius, Fusarium asiaticum, Leucaspius delineatus, Loxigilla noctis dominica, Pelecus cultratus, Phoenix canariensis, Potamotrygon falkneri, Trachycarpus fortune and Vimba vimba. © 2013 Blackwell Publishing Ltd. |
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Key Laboratory of Eco-Environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, 400715, China |
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1755098x (Issn) |
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Export Date: 2 May 2013; Source: Scopus; :doi 10.1111/1755-0998.12095; Language of Original Document: English; Correspondence Address: Arranz, S.E.; Molecular Ecology Resources Editorial Office, 6270 University Blvd, Vancouver, BC, V6T 1Z4, Canada; email: editorial.office@molecol.com |
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no |
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EcoFoG @ webmaster @ |
Serial |
484 |
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Author |
Malé, P.-J.G.; Bardon, L.; Besnard, G.; Coissac, E.; Delsuc, F.; Engel, J.; Lhuillier, E.; Scotti-Saintagne, C.; Tinaut, A.; Chave, J. |
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Title |
Genome skimming by shotgun sequencing helps resolve the phylogeny of a pantropical tree family |
Type |
Journal Article |
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Year |
2014 |
Publication |
Molecular Ecology Resources |
Abbreviated Journal |
Mol. Ecol. Resour. |
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14 |
Issue |
5 |
Pages |
966-975 |
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Keywords |
Next-generation sequencing; Organellar genome; Phylogenomics; Tropical trees |
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Abstract |
Whole genome sequencing is helping generate robust phylogenetic hypotheses for a range of taxonomic groups that were previously recalcitrant to classical molecular phylogenetic approaches. As a case study, we performed a shallow shotgun sequencing of eight species in the tropical tree family Chrysobalanaceae to retrieve large fragments of high-copy number DNA regions and test the potential of these regions for phylogeny reconstruction. We were able to assemble the nuclear ribosomal cluster (nrDNA), the complete plastid genome (ptDNA) and a large fraction of the mitochondrial genome (mtDNA) with approximately 1000×, 450× and 120× sequencing depth respectively. The phylogenetic tree obtained with ptDNA resolved five of the seven internal nodes. In contrast, the tree obtained with mtDNA and nrDNA data were largely unresolved. This study demonstrates that genome skimming is a cost-effective approach and shows potential in plant molecular systematics within Chrysobalanaceae and other under-studied groups. © 2014 John Wiley & Sons Ltd. |
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GeT-PlaGe, Genotoul, INRA Auzeville, Castanet-Tolosan, F-31326, France |
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Blackwell Publishing Ltd |
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17550998 (Issn) |
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Export Date: 1 September 2014; Correspondence Address: Malé, P.-J.G.; UMR 5174 Laboratoire Évolution and Diversité Biologique, CNRS, Université Paul Sabatier, ENFA, 118 route de Narbonne, Toulouse, F-31062, France; email: pjg.male@gmail.com |
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no |
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EcoFoG @ webmaster @ |
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559 |
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Birer, C.; Tysklind, N.; Zinger, L.; Duplais, C. |
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Title |
Comparative analysis of DNA extraction methods to study the body surface microbiota of insects: A case study with ant cuticular bacteria |
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Journal Article |
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Year |
2017 |
Publication |
Molecular Ecology Resources |
Abbreviated Journal |
Mol Ecol Resour |
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Volume |
17 |
Issue |
6 |
Pages |
e34-e45 |
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Keywords |
16S rRNA; bacterial communities; cuticular microbiome; insect cuticle; metabarcoding |
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High-throughput sequencing of the 16S rRNA gene has considerably helped revealing the essential role of bacteria living on insect cuticles in the ecophysiology and behaviour of their hosts. However, our understanding of host-cuticular microbiota feedbacks remains hampered by the difficulties of working with low bacterial DNA quantities as with individual insect cuticle samples, which are more prone to molecular biases and contaminations. Herein, we conducted a methodological benchmark on the cuticular bacterial loads retrieved from two Neotropical ant species of different body size and ecology: Atta cephalotes (~15 mm) and Pseudomyrmex penetrator (~5 mm). We evaluated the richness and composition of the cuticular microbiota, as well as the amount of biases and contamination produced by four DNA extraction protocols. We also addressed how bacterial community characteristics would be affected by the number of individuals or individual body size used for DNA extraction. Most extraction methods yielded similar results in terms of bacterial diversity and composition for A. cephalotes (~15 mm). In contrast, greater amounts of artefactual sequences and contaminations, as well as noticeable differences in bacterial community characteristics were observed between extraction methods for P. penetrator (~5 mm). We also found that large (~15 mm) and small (~5 mm) A. cephalotes individuals harbour different bacterial communities. Our benchmark suggests that cuticular microbiota of single individual insects can be reliably retrieved provided that blank controls, appropriate data cleaning, and individual body size and functional role within insect society are considered in the experiment. |
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1755-0998 |
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EcoFoG @ webmaster @ |
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781 |
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Sommeria-Klein, G.; Zinger, L.; Coissac, E.; Iribar, A.; Schimann, H.; Taberlet, P.; Chave, J. |
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Title |
Latent Dirichlet Allocation reveals spatial and taxonomic structure in a DNA-based census of soil biodiversity from a tropical forest |
Type |
Journal Article |
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Year |
2020 |
Publication |
Molecular Ecology Resources |
Abbreviated Journal |
Mol. Ecol. Resour. |
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Volume |
20 |
Issue |
2 |
Pages |
371-386 |
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Keywords |
community ecology; environmental DNA; metabarcoding; OTU presence–absence; soil microbiome; topic modelling; bacterium; biodiversity; biology; classification; eukaryote; fungus; genetics; high throughput sequencing; isolation and purification; microbiology; parasitology; procedures; soil; Bacteria; Biodiversity; Computational Biology; Eukaryota; Fungi; High-Throughput Nucleotide Sequencing; Soil; Soil Microbiology |
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High-throughput sequencing of amplicons from environmental DNA samples permits rapid, standardized and comprehensive biodiversity assessments. However, retrieving and interpreting the structure of such data sets requires efficient methods for dimensionality reduction. Latent Dirichlet Allocation (LDA) can be used to decompose environmental DNA samples into overlapping assemblages of co-occurring taxa. It is a flexible model-based method adapted to uneven sample sizes and to large and sparse data sets. Here, we compare LDA performance on abundance and occurrence data, and we quantify the robustness of the LDA decomposition by measuring its stability with respect to the algorithm's initialization. We then apply LDA to a survey of 1,131 soil DNA samples that were collected in a 12-ha plot of primary tropical forest and amplified using standard primers for bacteria, protists, fungi and metazoans. The analysis reveals that bacteria, protists and fungi exhibit a strong spatial structure, which matches the topographical features of the plot, while metazoans do not, confirming that microbial diversity is primarily controlled by environmental variation at the studied scale. We conclude that LDA is a sensitive, robust and computationally efficient method to detect and interpret the structure of large DNA-based biodiversity data sets. We finally discuss the possible future applications of this approach for the study of biodiversity. © 2019 John Wiley & Sons Ltd |
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Laboratoire d’Ecologie des Forêts de Guyane (EcoFoG, UMR 745), INRA, AgroParisTech, CIRAD, CNRS, University of the French West Indies, University of French Guiana, Kourou, France |
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Blackwell Publishing Ltd |
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1755098x (Issn) |
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EcoFoG @ webmaster @ |
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981 |
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Coutant, Opale ; Richard-Hansen, Cecile ; de Thoisy, Benoit ; Decotte, Jean-Baptiste ; Valentini, Alice ; Dejean, Tony ; Vigouroux, Régis ; Murienne, Jérôme ; Brosse, Sébastien |
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Amazonian mammal monitoring using aquatic environmental DNA |
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Journal Article |
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2021 |
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Molecular Ecology Resources |
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21 |
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6 |
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1875-1888 |
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Environmental DNA (eDNA) metabarcoding has emerged as one of the most efficient methods to assess aquatic species presence. While the method can in theory be used to investigate nonaquatic fauna, its development for inventorying semi-aquatic and terrestrial fauna is still at an early stage. Here we investigated the potential of aquatic eDNA metabarcoding for inventorying mammals in Neotropical environments, be they aquatic, semi-aquatic or terrestrial. We collected aquatic eDNA in 96 sites distributed along three Guianese watersheds and compared our inventories to expected species distributions and field observations derived from line transects located throughout French Guiana. Species occurrences and emblematic mammalian fauna richness patterns were consistent with the expected distribution of fauna and our results revealed that aquatic eDNA metabarcoding brings additional data to line transect samples for diurnal nonaquatic (terrestrial and arboreal) species. Aquatic eDNA also provided data on species not detectable in line transect surveys such as semi-aquatic, aquatic and nocturnal terrestrial and arboreal species. Although the application of eDNA to inventory mammals still needs some developments to optimize sampling efficiency, it can now be used as a complement to traditional surveys. |
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Wiley |
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EcoFoG @ webmaster @ |
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1015 |
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Hamon, P.; Duroy, P.-O.; Dubreuil-Tranchant, C.; Mafra D'Almeida Costa, P.; Duret, C.; Razafinarivo, N.J.; Couturon, E.; Hamon, S.; De Kochko, A.; Poncet, V.; Guyot, R. |
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Two novel Ty1-copia retrotransposons isolated from coffee trees can effectively reveal evolutionary relationships in the Coffea genus (Rubiaceae) |
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Journal Article |
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Year |
2011 |
Publication |
Molecular Genetics and Genomics |
Abbreviated Journal |
Mol. Genet. Genomics |
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Volume |
285 |
Issue |
6 |
Pages |
447-460 |
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Keywords |
Coffea; Evolution; Genetic diversity; LTR-retrotransposons; article; coffee; controlled study; Divo; gene amplification; gene dosage; gene expression; gene insertion; gene locus; gene sequence; genetic identification; genetic polymorphism; genetic variability; molecular cloning; Nana; nonhuman; nucleotide sequence; phylogeny; plant evolution; plant gene; priority journal; Psilanthus; random amplified microsatellite; retroposon; Rubiaceae; species differentiation; tree; Ty1 copia gene; Coffea; Genes, Plant; Genome, Plant; Phylogeny; Retroelements |
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In the study, we developed new markers for phylogenetic relationships and intraspecies differentiation in Coffea. Nana and Divo, two novel Ty1-copia LTR-retrotransposon families, were isolated through C. canephora BAC clone sequencing. Nana- and Divo-based markers were used to test their: (1) ability to resolve recent phylogenetic relationships; (2) efficiency in detecting intra-species differentiation. Sequence-specific amplification polymorphism (SSAP), retrotransposon-microsatellite amplified polymorphism (REMAP) and retrotransposon-based insertion polymorphism (RBIP) approaches were applied to 182 accessions (31 Coffea species and one Psilanthus accession). Nana- and Divo-based markers revealed contrasted transpositional histories. At the BAC clone locus, RBIP results on C. canephora demonstrated that Nana insertion took place prior to C. canephora differentiation, while Divo insertion occurred after differentiation. Combined SSAP and REMAP data showed that Nana could resolve Coffea lineages, while Divo was efficient at a lower taxonomic level. The combined results indicated that the retrotransposon-based markers were useful in highlighting Coffea genetic diversity and the chronological pattern of speciation/differentiation events. Ongoing complete sequencing of the C. canephora genome will soon enable exhaustive identification of LTR-RTN families, as well as more precise in-depth analyses on contributions to genome size variation and Coffea evolution. © 2011 Springer-Verlag. |
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IRD, UMR DIADE, BP 50172, Sainte Clotilde Cedex, La Réunion 97492, France |
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16174615 (Issn) |
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Export Date: 21 October 2011; Source: Scopus; Coden: Mggoa; doi: 10.1007/s00438-011-0617-0; PubMed ID: 21505885; Language of Original Document: English; Correspondence Address: Hamon, P.; IRD, UMR DIADE, BP 64501, Montpellier Cedex 5, France; email: perla.hamon@ird.fr; Molecular Sequence Numbers: GENBANK: DV666936, HM755952, HM755953;; Chemicals/CAS: Retroelements |
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EcoFoG @ webmaster @ |
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344 |
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Marti, G.; Eparvier, V.; Litaudon, M.; Grellier, P.; Gueritte, F. |
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Title |
A New Xanthone from the Bark Extract of Rheedia acuminata and Antiplasmodial Activity of Its Major Compounds |
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Journal Article |
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Year |
2010 |
Publication |
Molecules |
Abbreviated Journal |
Molecules |
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Volume |
15 |
Issue |
10 |
Pages |
7106-7114 |
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Rheedia acuminata, Clusiaceae; xanthones; antiplasmodial activity; cytotoxicity |
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Bioassay-guided fractionation of the ethyl acetate bark extract of Rheedia acuminata led to the isolation of the new compound 1,5,6-trihydroxy-3-methoxy-7-geranyl-xanthone (1), together with four known compounds 2-5. These compounds were tested in vitro for their antiplasmodial activity on a chloroquine-resistant strain of Plasmodium falciparum (FcB1) and for their cytotoxicity against the human diploid embryonic lung cell line MRC-5. |
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[Eparvier, Veronique] CNRS, UPS2561, F-97300 Cayenne, France, Email: guillaume.marti@icsn.cnrs-gif.fr |
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MDPI AG |
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1420-3049 |
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ISI:000283587400030 |
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EcoFoG @ webmaster @ |
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282 |
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Author |
Henkel, T.W.; Wilson, A.W.; Aime, M.C.; Dierks, J.; Uehling, J.K.; Roy, M.; Schimann, H.; Wartchow, F.; Mueller, G.M. |
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Title |
Cantharellaceae of Guyana II: New species of Craterellus, new South American distribution records for Cantharellus guyanensis and Craterellus excelsus, and a key to the Neotropical taxa |
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Journal Article |
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2014 |
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Mycologia |
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Mycologia |
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106 |
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2 |
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307-324 |
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Cantharellales; Coccoloba; Dicymbe; Ectomycorrhizae; Guiana shield; Tropical fungi |
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Craterellus olivaceoluteus sp. nov. and Craterellus cinereofimbriatus sp. nov. are described as new to science. These fungi were collected from Guyana in association with ectomycorrhizal host trees in the genera Dicymbe (Fabaceae subfam. Caesalpinioideae) and Pakaraimaea (Dipterocarpaceae). Cantharellus guyanensis Mont., originally described from French Guiana, is redescribed from recent collections from Guyana, with additional range extensions for the species provided based on material examined from French Guiana, Venezuela, and north central, northeastern and southern Brazil, circumscribing nearly the entire Guiana Shield region and beyond. A new distribution record from French Guiana is provided for Craterellus excelsus T.W. Henkel & Aime. Macromorphological, micromorphological and habitat data are provided for the new species and C. guyanensis as well as DNA sequence data from the nuclear ribosomal regions of the internal transcribed spacer (ITS) and 28S large subunit (LSU); additional sequence data is provided for C. guyanensis and C. excelsus specimens collected outside Guyana. The relationships of these taxa within the Cantharellaceae were evaluated with phylogenetic analyses of ITS and LSU sequence data. This work brings the total number of Cantharellaceae species known from Guyana to eight. A key to the Cantharellus and Craterellus species known from the lowland Neotropics and extralimital montane Central and South America is provided. © 2014 by The Mycological Society of America. |
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Department of Biological Sciences, Boise State University, Boise, ID, 83725, United States |
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Allen Press Inc. |
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15572536 (Issn) |
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Export Date: 10 June 2014; Coden: Mycoa; Correspondence Address: Henkel, T.W.; Department of Biological Sciences, Humboldt State University, Arcata, CA 95521, United States; email: twh5@humboldt.edu; Funding Details: DEB-0732968, NSF, National Science Foundation |
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546 |
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