ArticleGenetica2015
First insight into divergence, representation and chromosome distribution of reverse transcriptase fragments from L1 retrotransposons in peanut and wild relative species.
Article in Genetica, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Genetic regulation of major immunogenic protein accumulation in peanut seeds.Functional & integrative genomics · 2026Article
- Surprisingly frequent chromosomal instability in cultivated peanut.The Plant journal : for cell and molecular biology · 2025Article
- From bottleneck to boom: Polyploidy, genetic instability and response to artificial selection resolve the peanut paradox.The Plant journal : for cell and molecular biology · 2025Article
- A genomic variation map provides insights into peanut diversity in China and associations with 28 agronomic traits.Nature genetics · 2024Article
- Detection of two homologous major QTLs and development of diagnostic molecular markers for sucrose content in peanut.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Crop Wild Relatives: A Valuable Source of Tolerance to Various Abiotic Stresses.Plants (Basel, Switzerland) · 2023Review
- Comparative repeatome analysis reveals new evidence on genome evolution in wild diploid Arachis (Fabaceae) species.Planta · 2022Article
- High-density SNP map facilitates fine mapping of QTLs and candidate genes discovery for Aspergillus flavus resistance in peanut (Arachis hypogaea).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Heterochromatin evolution in Arachis investigated through genome-wide analysis of repetitive DNA.Planta · 2019Article
- The genome of cultivated peanut provides insight into legume karyotypes, polyploid evolution and crop domestication.Nature genetics · 2019Article
- The genome structure ofComparative cytogenetics · 2018Article
- Genome Sequencing and Analysis of the Peanut B-Genome Progenitor (Frontiers in plant science · 2018Article
- Cytogenetic evidences on the evolutionary relationships between the tetraploids of the section Rhizomatosae and related diploid species (Arachis, Leguminosae).Journal of plant research · 2017Article
- Evolutionary dynamics of an at-rich satellite DNA and its contribution to karyotype differentiation in wild diploid Arachis species.Molecular genetics and genomics : MGG · 2017Article
- The genome sequences of Arachis duranensis and Arachis ipaensis, the diploid ancestors of cultivated peanut.Nature genetics · 2016Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Peanut is an allotetraploid (2n = 2x = 40, AABB) of recent origin. Arachis duranensis and A. ipaënsis, the most probable diploid ancestors of the cultigen, and several other wild diploid species with different genomes (A, B, D, F and K) are used in peanut breeding programs. However, the genomic relationships and the evolutionary pathways of genome differentiation of these species are poorly understood. We performed a sequence-based phylogenetic analysis of the L1 reverse transcriptase and estimated its representation and chromosome distribution in species of five genomes and three karyotype groups with the aim of contributing to the knowledge of the genomic structure and evolution of peanut and wild diploid relatives. All the isolated rt fragments were found to belong to plant L1 lineage and were named ALI. The best supported phylogenetic groups were not concordant with the genomes or karyotype groups. The copy number of ALI sequences was higher than the expected one for plants and directly related to genome size. FISH experiments revealed that ALI is mainly located on the euchromatin of interstitial and distal regions of most chromosome arms. Divergence of ALI sequences would have occurred before the differentiation of the genomes and karyotype groups of Arachis. The representation and chromosome distribution of ALI in peanut was almost additive of those of the parental species suggesting that the spontaneous hybridization of the two parental species of peanut followed by chromosome doubling would not have induced a significant burst of ALI transposition.
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