R. Petit

Publications175
h-index71
Citations23,916
Highly Influential Citations2,343
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Identifying Populations for Conservation on the Basis of Genetic Markers
To select candidate populations of wild species to be given priority for conservation, genetic criteria gained from the study of molecular markers may be useful. Traditionally, diversity measures… Expand
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High level of genetic differentiation for allelic richness among populations of the argan tree [Argania spinosa (L.) Skeels] endemic to Morocco
Genetic diversity at nine isozyme loci was surveyed in an endangered tree species, the argan tree, endemic to south-western Morocco. The species is highly diverse (3.6 alleles/locus) with populations… Expand
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Measuring and testing genetic differentiation with ordered versus unordered alleles.
Estimates and variances of diversity and differentiation measures in subdivided populations are proposed that can be applied to haplotypes (ordered alleles such as DNA sequences, which may contain a… Expand
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INVITED REVIEW: Comparative organization of chloroplast, mitochondrial and nuclear diversity in plant populations
Plants offer excellent models to investigate how gene flow shapes the organization of genetic diversity. Their three genomes can have different modes of transmission and will hence experience varying… Expand
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Glacial Refugia: Hotspots But Not Melting Pots of Genetic Diversity
Glacial refuge areas are expected to harbor a large fraction of the intraspecific biodiversity of the temperate biota. To test this hypothesis, we studied chloroplast DNA variation in 22 widespread… Expand
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  • Open Access
Conserving biodiversity under climate change: the rear edge matters.
Modern climate change is producing poleward range shifts of numerous taxa, communities and ecosystems worldwide. The response of species to changing environments is likely to be determined largely by… Expand
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  • Open Access
Genetic Consequences of Range Expansions
Although range expansions have occurred recurrently in the history of most species, their genetic consequences have been little investigated. Theoretical studies show that range expansions are quite… Expand
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A set of universal primers for amplification of polymorphic non‐coding regions of mitochondrial and chloroplast DNA in plants
The genetic information present in the plant mitochondrial DNA (mtDNA) and chloroplast DNA (cpDNA) is of great interest in phylogeny and in population genetics, largely because of the non-mendelian… Expand
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The Hidden Side of Invasions: Massive Introgression by Local Genes
Abstract Despite hundreds of reports involving both plants and animals, the mechanisms underlying introgression remain obscure, even if some form of selection is frequently invoked. Introgression has… Expand
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  • Open Access
A new scenario for the quaternary history of European beech populations: palaeobotanical evidence and genetic consequences.
Here, palaeobotanical and genetic data for common beech (Fagus sylvatica) in Europe are used to evaluate the genetic consequences of long-term survival in refuge areas and postglacial spread. Four… Expand
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