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Dans cet article, notre objectif est de définir, pour les acteurs publics et privés, le fonctionnement institutionnel et le système d’incitation facilitant leur adhésion à la charte de conservation des ressour...
This article is part of a Supplement: Volume 33 Supplement 1
The Convention on Biological Diversity confirms the sovereign rights of States over their biological resources. This implies duties of conservation and management. The tools placed at their disposal are often ...
This article is part of a Supplement: Volume 33 Supplement 1
L’extraordinaire richesse des dérivés traditionnels du manioc élaborés par les différentes ethnies amazoniennes ne peut être directement reliée à la diversité des variétés cultivées. Cette dernière résulte aus...
This article is part of a Supplement: Volume 33 Supplement 1
- Le manioc constitue la base de l’alimentation de la très grande majorité des populations amazoniennes et leur principale culture. Selon les régions et les populations (amérindiennes, métissées ou d’immigrati...
This article is part of a Supplement: Volume 33 Supplement 1
Temporal evolution of genetic variability in a Dynamic Management programme of wheat populations was assessed for fitness-related traits and for 29 RFLP markers. Populations of the 1st, 5th and 10th generation...
This article is part of a Supplement: Volume 33 Supplement 1
À côté des riz adventices des régions tropicales qui résultent d’introgressions variées avec les riz sauvages, de nouvelles formes ont émergé plus récemment et présentent aussi de nombreux attributs des formes...
This article is part of a Supplement: Volume 33 Supplement 1
Two experiments were set up to investigate how to maintain or create genetic diversity in artificial or managed populations of plants. Using Arabidopsis thaliana, we established 18 metapopulations of 20 populatio...
This article is part of a Supplement: Volume 33 Supplement 1
In order to understand the dynamics of contact zones between natural and cultivated populations of alfalfa (Medicago sativa L.) in Spain, we investigated the patterns of mitochondrial variation (characterized thr...
This article is part of a Supplement: Volume 33 Supplement 1
In recent years we have characterized 250 Bradyrhizobium strains, mainly from Senegal, using several taxonomic techniques i.e. numerical taxonomy of pheno-typic features, Biolog system, SDS-PAGE of total cellular...
This article is part of a Supplement: Volume 33 Supplement 1
We describe a rapid method developed to identify yeast species commonly found during cheese ripening. It is based on the isolation of species-specific sequences and their hybridization with coarse preparations...
This article is part of a Supplement: Volume 33 Supplement 1
Cultivation methods classically used to describe the faecal flora composition are often too selective for certain groups of bacteria. This study was conducted to determine the human faecal flora composition by...
This article is part of a Supplement: Volume 33 Supplement 1
The reliability and the level of taxonomie resolution of the amplified fragment length polymorphism (AFLP) method were evaluated with species of patho-genic bacteria involved in human, animal and plant disease...
This article is part of a Supplement: Volume 33 Supplement 1
A procedure for quantification of distinct bacterial populations in aggre-gated ecosystems was developed. It is based on fluorescent in situ hybridization coupled with confocal-laser-scanning microscopy and surfa...
This article is part of a Supplement: Volume 33 Supplement 1
Vitis vinifera est la seule espèce endémique de vigne en Europe. Le compartiment sauvage Vitis vinifera subspecies silvestris a subi une forte érosion et seuls quelques peuplements subsistent encore actuellement....
This article is part of a Supplement: Volume 33 Supplement 1
The wild wheat relative Ae. geniculata Roth (= Ae. ovata L.) is a preferentially seifing, allo-tetraploid species (MU genome) widely distributed around the Mediterranean Basin. Two hundred and two individuals bel...
This article is part of a Supplement: Volume 33 Supplement 1
RAPD profiles of 121 olive cultivars were compared to those of 20 natural oleaster populations from eastern and western parts of the Mediterranean Basin. Considering the proximities of RAPD profiles between cu...
This article is part of a Supplement: Volume 33 Supplement 1
— Nous présentons une étude synthétique et comparative de la structure génétique des populations de trois papillons diurnes français, Proclossiana eunomia, Parnassius apollo et Euphydryas aurinia. Grâce à l’élect...
This article is part of a Supplement: Volume 33 Supplement 1
Polyandry and competition for spawning sites in a sedentary brown trout population was studied using four highly variable microsatellite loci. All loci combined gave average exclusion probabilities of 0.91 and...
This article is part of a Supplement: Volume 33 Supplement 1
Many wild goat taxa (Capra spp.) are endangered and would benefit from the availability of molecular tools that are useful for population management and conservation. We developed microsatellite DNA markers usefu...
This article is part of a Supplement: Volume 33 Supplement 1
Allelic variation at eight microsatellite loci was used to assess the levels of genetic differentiation between seven natural populations of black grouse (Tetrao tetrix) in the French Alps spaced along a 250 km s...
This article is part of a Supplement: Volume 33 Supplement 1
C. solieri is an endangered species of Carabidae which is mostly associated with humid forests of the Alps, in Prance and in Liguria (Italy). We reanalysed morphological data published by Bonadona and compared th...
This article is part of a Supplement: Volume 33 Supplement 1
Few empirical studies of bird populations have examined in detail how proximate and ultimate factors determine phenotypic variation in relation to small-scale environmental variation. This question has been ad...
This article is part of a Supplement: Volume 33 Supplement 1
Les deux espèces jumelles D. melanogaster et D. simulans diffèrent pour leur nombre global de copies d’éléments transposables (ETs) de leur génome. D. simulans a moins de copies que D. melanogaster et le nombre d...
This article is part of a Supplement: Volume 33 Supplement 1
A numerical simulation of freezing-thawing protocols applicable to mammalian spermatozoa is described and validated in the boar and the ram. Original aspects include: (1) the simulation of all steps of the tec...
This article is part of a Supplement: Volume 33 Supplement 1
The effect of exogenous abscisic acid (ABA) on the desiccation tolerance, soluble sugar contents and germination rates of oil palm somatic embryos was studied. ABA was added during the development or germinati...
This article is part of a Supplement: Volume 33 Supplement 1
Sperm cryopreservation is used for preservation and diffusion of genetic diversity and genetic progress. One approach to improve cryopreservation is to identify and control the cellular parameters responsible ...
This article is part of a Supplement: Volume 33 Supplement 1
In tomato, the Mi resistance gene controls the major root-knot nematode species Meloidogyne arenaria, M. incognita and M. javanica. However, resistance-breaking (i.e. virulent) biotypes have been reported from mo...
This article is part of a Supplement: Volume 33 Supplement 1
The selection of resistant sheep in farms could increase the selective pressure during the parasitic phase and this might affect life-traits of the parasite nematodes. Before selecting for host resistance, it ...
This article is part of a Supplement: Volume 33 Supplement 1
A good understanding of the dynamics of host/pathogen interactions and of the factors that shape the spatial distribution of resistance genes is a prerequisite of metapopulation dynamic management of resistanc...
This article is part of a Supplement: Volume 33 Supplement 1
In mammals, testis determination is under the control of the sex-determining gene SRY. This Y-linked gene encodes a protein with a DNA binding domain similar to those found in high-mobility-group proteins. Here w...
Genetic differentiation among nine populations of the endemic lizard Lacerta dugesii Milne-Edwards 1829 (Lacertidae) from four groups of islands constituting the Archipelago of Madeira, was investigated by protei...
Chicks of both sexes issued from the cross of heterozygous K/k+ cocks for the slow-feathering sex linked K allele with k+ (rapid feathering) hens, were compared from the age of 4 to 10 weeks at two ambient temper...
Daily feed intake data of 1 279 French Landrace (FL, 1 039 boars and 240 castrates) and 2 417 Large White (LW, 2 032 boars and 385 castrates) growing pigs were recorded with electronic feed dispensers in three...
The Erratum to this article has been published in Genetics Selection Evolution 2002 34:269
The prediction of identity by descent (IBD) probabilities is essential for all methods that map quantitative trait loci (QTL). The IBD probabilities may be predicted from marker genotypes and/or pedigree infor...
Methods for detecting Quantitative Trait Loci (QTL) without markers have generally used iterative peeling algorithms for determining genotype probabilities. These algorithms have considerable shortcomings in c...
A random regression model for the analysis of "repeated" records in animal breeding is described which combines a random regression approach for additive genetic and other random effects with the assumption of...
A bovine artificial chromosome (BAC) library of 105 984 clones has been constructed in the vector pBeloBAC11 and organized in 3-dimension pools and high density membranes for screening by PCR and hybridization...
Genetic variability at 18 microsatellites was analysed on the basis of individual genotypes in five Spanish breeds of sheep – Churra, Latxa, Castellana, Rasa-Aragonesa and Merino -, with Awassi also being stud...
A selection experiment on litter size in the pig was carried on for seventeen generations in an Inra experimental herd. The founder population was made up of 10 males and 120 females from the Large White breed...
Records for birth and subsequent, monthly weights until weaning on beef calves of two breeds in a selection experiment were analysed fitting random regression models. Independent variables were orthogonal (Leg...
A sampling-based method for estimating the accuracy of estimated breeding values using an animal model is presented. Empirical variances of true and estimated breeding values were estimated from a simulated n-...
A fast, partly recursive deterministic method for calculating Identity-by-Descent (IBD) probabilities was developed with the objective of using IBD in Quantitative Trait Locus (QTL) mapping. The method combine...
Two methods of computing Monte Carlo estimators of variance components using restricted maximum likelihood via the expectation-maximisation algorithm are reviewed. A third approach is suggested and the performanc...
Genetic diversity at 13 equine microsatellite loci was compared in five endangered Spanish donkey breeds: Andaluza, Catalana, Mallorquina, Encartaciones and Zamorano-Leonesa. All of the equine microsatellites ...
Analysis of the genetic variation of an endangered population is an important component for the success of conservation. Animals from two local Romanian pig breeds, the Mangalitsa and Bazna, were analysed for ...
Genetic analysis for mastitis resistance was studied from two data sets. Firstly, risk factors for different mastitis traits, i.e. culling due to clinical or chronic mastitis and subclinical mastitis predicted fr...
Simulations were used to study the influence of model adequacy and data structure on the estimation of genetic parameters for traits governed by direct and maternal effects. To test model adequacy, several dat...
Markov chain Monte Carlo (MCMC) methods have been proposed to overcome computational problems in linkage and segregation analyses. This approach involves sampling genotypes at the marker and trait loci. Scalar...
Records were collected in an experimental herd over an 11-year period from purebred Charolais heifers (n = 351), cows (n = 615) and young entire bulls (n = 383). The objective of the study was to estimate the gen...
Classical selection for increasing prolificacy in sheep leads to a concomitant increase in its variability, even though the objective of the breeder is to maximise the frequency of an intermediate litter size ...
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Genetics Selection Evolution