Lineage sorting accounting for the disassociation between chloroplast and mitochondrial lineages in oaks of southern France

研究成果: Review article

24 引文 (Scopus)

摘要

Dumolin-Lapégue et al. (Mol. Biol. Evol. 15: 1321-1331. 1998) suggested that recurrent inversions of a 4-bp sequence of the mtDNA nad4-1/2 locus due to intramolecular recombination were responsible for the disassociation of chloroplast and mitochondrial genomes of French oaks. Based on their PCR-RFLP (PCR - restriction fragment length polymorphism) data obtained from three noncoding spacers, a minimum spanning network representing the phylogeny of the cpDNA was reconstructed. The mapping of alleles b and c of the mtDNA nad4-1/2 locus on the cpDNA network revealed a nonrandom distribution, which contradicted the expected patterns when repeated, and ongoing inversions had been occurring. The fact that polymorphisms (a mixed c + d type) were mostly restricted to the interior nodes of the network, which represented ancient haplotypes and geographically coincided with probable glacial refugia in southern Europe, agreed with a migrant-pool model. Evidence of a widespread pattern of polymorphism distribution indicated that mtDNA haplotypes were likely to be more ancient than the cpDNA haplotypes. Lineage sorting, due to relative age of cpDNA vs. mtDNA, plus the specific migratory mode, which recruited colonists from a random sample of resource populations during glacial expansion (thereby extending the lineage sorting period, LSP), may have resulted in the disassociation of chloroplast and mitochondrial genomes in oaks.

原文English
頁(從 - 到)1090-1094
頁數5
期刊Genome
43
發行號6
DOIs
出版狀態Published - 2000 一月 1

指紋

Chloroplasts
Mitochondrial DNA
France
Chloroplast Genome
Haplotypes
Mitochondrial Genome
Phylogeny
Restriction Fragment Length Polymorphisms
Genetic Recombination
Alleles
Polymerase Chain Reaction
Population

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Molecular Biology
  • Genetics

引用此文

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abstract = "Dumolin-Lap{\'e}gue et al. (Mol. Biol. Evol. 15: 1321-1331. 1998) suggested that recurrent inversions of a 4-bp sequence of the mtDNA nad4-1/2 locus due to intramolecular recombination were responsible for the disassociation of chloroplast and mitochondrial genomes of French oaks. Based on their PCR-RFLP (PCR - restriction fragment length polymorphism) data obtained from three noncoding spacers, a minimum spanning network representing the phylogeny of the cpDNA was reconstructed. The mapping of alleles b and c of the mtDNA nad4-1/2 locus on the cpDNA network revealed a nonrandom distribution, which contradicted the expected patterns when repeated, and ongoing inversions had been occurring. The fact that polymorphisms (a mixed c + d type) were mostly restricted to the interior nodes of the network, which represented ancient haplotypes and geographically coincided with probable glacial refugia in southern Europe, agreed with a migrant-pool model. Evidence of a widespread pattern of polymorphism distribution indicated that mtDNA haplotypes were likely to be more ancient than the cpDNA haplotypes. Lineage sorting, due to relative age of cpDNA vs. mtDNA, plus the specific migratory mode, which recruited colonists from a random sample of resource populations during glacial expansion (thereby extending the lineage sorting period, LSP), may have resulted in the disassociation of chloroplast and mitochondrial genomes in oaks.",
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AB - Dumolin-Lapégue et al. (Mol. Biol. Evol. 15: 1321-1331. 1998) suggested that recurrent inversions of a 4-bp sequence of the mtDNA nad4-1/2 locus due to intramolecular recombination were responsible for the disassociation of chloroplast and mitochondrial genomes of French oaks. Based on their PCR-RFLP (PCR - restriction fragment length polymorphism) data obtained from three noncoding spacers, a minimum spanning network representing the phylogeny of the cpDNA was reconstructed. The mapping of alleles b and c of the mtDNA nad4-1/2 locus on the cpDNA network revealed a nonrandom distribution, which contradicted the expected patterns when repeated, and ongoing inversions had been occurring. The fact that polymorphisms (a mixed c + d type) were mostly restricted to the interior nodes of the network, which represented ancient haplotypes and geographically coincided with probable glacial refugia in southern Europe, agreed with a migrant-pool model. Evidence of a widespread pattern of polymorphism distribution indicated that mtDNA haplotypes were likely to be more ancient than the cpDNA haplotypes. Lineage sorting, due to relative age of cpDNA vs. mtDNA, plus the specific migratory mode, which recruited colonists from a random sample of resource populations during glacial expansion (thereby extending the lineage sorting period, LSP), may have resulted in the disassociation of chloroplast and mitochondrial genomes in oaks.

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