ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2010
Species relationships among the wild B genome of Arachis species (section Arachis) based on FISH mapping of rDNA loci and heterochromatin detection: a new proposal for genome arrangement.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed.
- Origin of small chromosome A08 and genome evolution of Arachis species.Nature communications · 2026Article
- Article
- Construction of an introgression line population for cultivated peanut (Frontiers in plant science · 2026Article
- Chromosomal variations and evolution in Arachis species revealed by single-copy FISH karyotyping.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- A single hybrid origin of cultivated peanut.The Plant journal : for cell and molecular biology · 2025Article
- Integrative genomics and genetics from evolutionary insights to precision breeding in peanuts (Arachis Hypogaea L.).Functional & integrative genomics · 2025Review
- Whole Genome Development of Specific Alien-Chromosome Oligo (SAO) Markers for Wild Peanut Chromosomes Based on Chorus2.Plants (Basel, Switzerland) · 2025Article
- A slow march along the South American Dry Diagonal: a multi-gene molecular phylogeny and biogeographical history of the peanut genus, Arachis L.Annals of botany · 2025Article
- Chloroplast and whole-genome sequencing shed light on the evolutionary history and phenotypic diversification of peanuts.Nature genetics · 2024Article
- Deciphering peanut complex genomes paves a way to understand its origin and domestication.Plant biotechnology journal · 2023Review
- Marker-assisted introgression of wild chromosome segments conferring resistance to fungal foliar diseases into peanut (Frontiers in plant science · 2023Article
- Karyotypic stability of Fragaria (strawberry) species revealed by cross-species chromosome painting.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2021Article
- Genetic mapping and QTL analysis for peanut smut resistance.BMC plant biology · 2021Article
- Physical mapping of repetitive oligonucleotides facilitates the establishment of a genome map-based karyotype to identify chromosomal variations in peanut.BMC plant biology · 2021Article
- Presence of resveratrol in wild Arachis species adds new value to this overlooked genetic resource.Scientific reports · 2020Article
- Pod and Seed Trait QTL Identification To Assist Breeding for Peanut Market Preferences.G3 (Bethesda, Md.) · 2020Article
- Evaluating two different models of peanut's origin.Nature genetics · 2020Article
- Brazilian Kayabi Indian accessions of peanut, Arachis hypogaea (Fabales, Fabaceae): origin, diversity and evolution.Genetics and molecular biology · 2020Article
- Low cytomolecular diversification in the genus Stylosanthes Sw. (Papilionoideae, Leguminosae).Genetics and molecular biology · 2020Article
- Transference of multiple resistance to peanut through the development of cross-compatible complex hybrids of wild Arachis.Genetics and molecular biology · 2020Article
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2 authors.
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Abstract
Arachis hypogaea is an allotetraploid species with low genetic variability. Its closest relatives, all of the genus Arachis, are important sources of alleles for peanut breeding. However, a better understanding of the genome constitution of the species and of the relationships among taxa is needed for the effective use of the secondary gene pool of Arachis. In the present work, we focused on all 11 non-A genome (or B genome sensu lato) species of Arachis recognized so far. Detailed karyotypes were developed by heterochromatin detection and mapping of the 5S and the 18S-25S rRNA using FISH. On the basis of outstanding differences observed in the karyotype structures, we propose segregating the non-A genome taxa into three genomes: B sensu stricto (s.s.), F and K. The B genome s.s. is deprived of centromeric heterochromatin and is homologous to one of the A. hypogaea complements. The other two genomes have centromeric bands on most of the chromosomes, but differ in the amount and distribution of heterochromatin. This organization is supported by previously published data on molecular markers, cross compatibility assays and bivalent formation at meiosis in interspecific hybrids. The geographic structure of the karyotype variability observed also reflects that each genome group may constitute lineages that have evolved through independent evolutionary pathways. In the present study, we confirmed that Arachis ipaensis was the most probable B genome donor for A. hypogaea, and we identified a group of other closely related species. The data provided here will facilitate the identification of the most suitable species for the development of prebreeding materials for further improvement of cultivated peanut.
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