Catégories
Documents disponibles dans cette catégorie (71)
Affiner la recherche
L'hybridation entre Pinus sylvestris L. (Pin sylvestre) et Pinus uncinata Ram. (Pin à crochets) dans les Pyrénées françaises : importance du phénomène et rôle du synchronisme en conditions naturelles / Guillaume Bouchet (2007)
Titre : L'hybridation entre Pinus sylvestris L. (Pin sylvestre) et Pinus uncinata Ram. (Pin à crochets) dans les Pyrénées françaises : importance du phénomène et rôle du synchronisme en conditions naturelles Type de document : Imprimé Auteurs : Guillaume Bouchet ; Conservatoire botanique pyrénéen ; Conservatoire génétique des arbres forestiers Année de publication : 2007 Importance : 38 p. Langues : Français (fre) Catégories : [CBNPMP-Thèmes] Diversité génétique
[CBNPMP-Thèmes] Génétique et écologie (dynamique, démographique, sélection)
[CBNPMP-Thèmes] Distribution de la diversité génétique
[CBNPMP-Thèmes] Hybridations interspécifiques et intergénériques, introgression (ét. cytogén. & appl. amélior. pl.)Note de contenu : Mémoire de fin d'étude de master professionnel,Université de Bordeaux 1 ENITA Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=79992 Bouchet, G. 2007. L'hybridation entre Pinus sylvestris L. (Pin sylvestre) et Pinus uncinata Ram. (Pin à crochets) dans les Pyrénées françaises : importance du phénomène et rôle du synchronisme en conditions naturelles. , . 38 pp.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 18290 6050 Thèse et mémoire Centre de documentation Bibliothèque Consultable Hypothesis testing of genetic similarity based on RAPD data using Mantel tests and model matrices / Flávia Melo Rodrigues in Genetics and Molecular Biology, 25 (4) (2002)
[article]
Titre : Hypothesis testing of genetic similarity based on RAPD data using Mantel tests and model matrices Type de document : Imprimé Auteurs : Flávia Melo Rodrigues ; José Alexandre Diniz-Filho ; Luiz Arthur Mendes Bataus Année de publication : 2002 Article en page(s) : 435-439 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Conservation et gestion des espèces
[CBNPMP-Thèmes] Génétique et écologie (dynamique, démographique, sélection)
[CBNPMP-Thèmes] RevégétalisationRésumé : Clustering and ordination procedures in multivariate analyses have been widely used to describe patterns of genetic distances. However, in some cases, such as when dealing with Jaccard coefficients based on RAPD data, these techniques may fail to represent genetic distances because of the high dimensionality of the genetic distances caused by stochastic variation in DNA fragments among the units analyzed (species or populations). In this note, we show how Mantel tests can be used to test hypotheses about genetic distances and avoid problems with multivariate data representation. The procedure is illustrated with RAPD data comparing 20 anuran species from the cerrado, in which Jaccard genetic distances were compared to three model matrices linking the species at distinct taxonomic levels. Lien pérenne : DOI : 10.1590/S1415-47572002000400013 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=148693
in Genetics and Molecular Biology > 25 (4) (2002) . - 435-439Melo Rodrigues, F., Diniz-Filho, J.A., Mendes Bataus, L.A. 2002. Hypothesis testing of genetic similarity based on RAPD data using Mantel tests and model matrices. Genetics and Molecular Biology, 25(4): 435-439.Documents numériques
Consultable
Article (2002)URL Introduction to plant population biology. / Jonathan Silvertown (1982)
Titre : Introduction to plant population biology. Type de document : Imprimé Auteurs : Jonathan Silvertown ; D. Charlesworth Editeur : Blackwell Science Année de publication : 1982 Importance : 347 p. Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Génétique et écologie (dynamique, démographique, sélection)
[CBNPMP-Thèmes] DémographiePermalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=77560 Silvertown, J., Charlesworth, D. 1982. Introduction to plant population biology. Blackwell Science, [S.l.]. 347 pp.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 10955 8420 Indéterminé Centre de documentation Bibliothèque Consultable Isolation by distance in a continuous population: reconciliation betxeen spatial autocorrelation analysis and population genetics models / Olivier J Hardy (1999)
Titre : Isolation by distance in a continuous population: reconciliation betxeen spatial autocorrelation analysis and population genetics models Type de document : Tiré à part de revue Auteurs : Olivier J Hardy ; Xavier Vekermans Année de publication : 1999 Langues : Anglais (eng) Catégories : [CBNPMP-Thèmes] Démographie, écologie des populations (dynamique des populations, démécologie)
[CBNPMP-Thèmes] Flux de gènes
[CBNPMP-Thèmes] Fragmentation, insularité, isolat
[CBNPMP-Thèmes] Génétique et écologie (dynamique, démographique, sélection)
[CBNPMP-Thèmes] Structures des populations végétalesRésumé : Analysis of the spatial genetic structure within continuous populations in their natural habitat can reveal acting evolutionary processes. Spatial autocorrelation statistics are often used for this purpose, but their relationships with population genetics models have not been thoroughly established. Moreover, it has been argued that the dependency of these statistics on variation in mutation rates among loci strongly limits their interest for inferential purposes. In the context of an isolation by distance process, we describe relationships between a descriptor of the spatial genetic structure used in empirical studies, Moran’s I statistic and population genetics parameters. In particular, we point out that, when Moran’s I statistic is used to describe correlation in allele frequencies at the individual level, it provides an estimator of Wright’s coefficient of relationship. We also show that the latter parameter, as a descriptor of genetic structure, is not influenced by selfing rate or ploidy level. Under specific finite population models, numerical simulations show that values of Moran’s I statistic can be predicted from analytical theory. These simulations are also used to estimate the time taken to approach a structure at equilibrium. Finally, we discuss the conditions under which spatial autocorrelation statistics are little influenced by variation in mutation rates, so that they could be used to estimate gene dispersal parameters. Lien pérenne : DOI : 10.1046/j.1365-2540.1999.00558.x Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=131417 Hardy, O.J., Vekermans, X. 1999. Isolation by distance in a continuous population: reconciliation betxeen spatial autocorrelation analysis and population genetics models. Heredity, 83 .Documents numériques
Consultable
Article (1999)URL Isozyme diversity in Iris cristata and the threatened glacial endemic I. lacustris (Iridaceae) / Gary L. Hannan (2000)
Titre : Isozyme diversity in Iris cristata and the threatened glacial endemic I. lacustris (Iridaceae) Type de document : Tiré à part de revue Auteurs : Gary L. Hannan ; Michael W. Orick Année de publication : 2000 Importance : 293-301 Langues : Français (fre) Catégories : [CBNPMP-Thèmes] Génétique et écologie (dynamique, démographique, sélection)
[CBNPMP-Thèmes] Variabilité en protéines, polymorphisme enzymatiqueMots-clés : Iris cristata Iris lacustris Résumé : Iris cristata and I. lacustris differ markedly in geographic distribution, glacial history of current ranges, and ecology. We hypothesized that I. cristata, a widespread species of unglaciated regions of eastern North America, would exhibit genetic diversity typical of other widespread plant species, whereas the threatened I. lacustris, which occupies glaciated habitats on Great Lakes shorelines, would display little genetic variation. Iris lacustris lacked detectable polymorphisms in 18 isozyme loci, although we found evidence of possible incomplete gene silencing in four additional loci in some populations. In contrast, I. cristata was polymorphic at 73% of 15 loci examined, with an average of three alleles per locus. Genetic diversity (H(e)) was 0.231. All species-level and population-level estimates of genetic diversity were higher than averages for plants having comparable life history traits. Nearly 98% of the total genetic diversity in I. cristata was apportioned within populations, and heterozygosity and fixation estimates suggest a high level of outcrossing in this species (t = 1.265). The long-lived perennial habit and high outcrossing rate in stable populations are proposed as factors contributing to high genetic diversity in I. cristata. The data are consistent with an hypothesis of a recent origin of I. lacustris from a very limited I. cristata gene pool exacerbated by repeated bottlenecks and founder effects as I. lacustris populations were displaced by lake-level changes over the past 11 000 yr. Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=130359 Hannan, GL., Orick, MW. 2000. Isozyme diversity in Iris cristata and the threatened glacial endemic I. lacustris (Iridaceae). American Journal of Botany, 87(3) : 293-301.Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité 8574 H Tiré à part Centre de documentation Tirés à part Consultable PermalinkLocal adaptation and gene-for-gene coevolution in a metapopulation model / Sylvain Gandon in Philosophical Transactions Royal Society London B, 263 (1373) (August 1996)
PermalinkLocal genetic population structure in an endangered plant species, Silene tatarica (Caryophyllaceae) / N. Tero in Heredity, 94 (2005)
PermalinkMetapopulation biology : ecology, genetics, and evolution / I. Hanski (1997)
PermalinkNatural hybridization in Cardamine (Brassicaceae) in the Pyrenees: evidence from morphological and molecular data / Karol Marhold in Botanical journal of the Linnean Society, 139 (2002)
PermalinkPerformance, genetic and ecological insights for the conservation of the endangered large pink, Dianthus superbus L. (Caryophyllaceae) in semi-natural grassland / Laurent Hardion in Botany letters, 166 (1) (03/2019)
PermalinkPlantes et génomes / Christian Dumas in 303 : arts, recherches et créations, 103 (h.s.) (11/2008)
PermalinkPlus d'un siècle d'intervention humaine dans les flux de gènes des Pins à crochets et Sapins français / Michel Bartoli (2003)
PermalinkPlus d'un siècle d'intervention humaine dans les flux de gènes des Pins à crochets et Sapins français / Michel Bartoli in Revue forestière française, 55 (6) (2003)
PermalinkPopulation biology of grasses / Gregory P. Cheplick (1998)
Permalink