ArticleMolecular genetics and genomics : MGG2012
Matita, a new retroelement from peanut: characterization and evolutionary context in the light of the Arachis A-B genome divergence.
Article in Molecular genetics and genomics : MGG, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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27 citing papers in PubMed, 56 citations in OpenAlex.
- 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
- Integrative genomics and genetics from evolutionary insights to precision breeding in peanuts (Arachis Hypogaea L.).Functional & integrative genomics · 2025Review
- Article
- Deciphering peanut complex genomes paves a way to understand its origin and domestication.Plant biotechnology journal · 2023Review
- Comparative repeatome analysis reveals new evidence on genome evolution in wild diploid Arachis (Fabaceae) species.Planta · 2022Article
- Article
- Pod and Seed Trait QTL Identification To Assist Breeding for Peanut Market Preferences.G3 (Bethesda, Md.) · 2020Article
- The genome sequence of segmental allotetraploid peanut Arachis hypogaea.Nature genetics · 2019Article
- 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
- Homology modeling, molecular docking, and dynamics of two α-methyl-D-mannoside-specific lectins from Arachis genus.Journal of molecular modeling · 2018Article
- The genome structure ofComparative cytogenetics · 2018Article
- Distribution of Divo in Coffea genomes, a poorly described family of angiosperm LTR-Retrotransposons.Molecular genetics and genomics : MGG · 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
- A gene-based map of the Nod factor-independent Aeschynomene evenia sheds new light on the evolution of nodulation and legume genomes.DNA research : an international journal for rapid publication of reports on genes and genomes · 2016Article
- Draft genome of the peanut A-genome progenitor (Arachis duranensis) provides insights into geocarpy, oil biosynthesis, and allergens.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- The genome sequences of Arachis duranensis and Arachis ipaensis, the diploid ancestors of cultivated peanut.Nature genetics · 2016Article
- SWEEP: A Tool for Filtering High-Quality SNPs in Polyploid Crops.G3 (Bethesda, Md.) · 2015Article
- Article
Corrections and comments
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Authors and funding
9 authors at 6 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cultivated peanut is an allotetraploid with an AB-genome. In order to learn more of the genomic structure of peanut, we characterized and studied the evolution of a retrotransposon originally isolated from a resistance gene analog (RGA)-containing bacterial artificial chromosome (BAC) clone. It is a moderate copy number Ty1-copia retrotransposon from the Bianca lineage and we named it Matita. Fluorescent in situ hybridization (FISH) experiments showed that Matita is mainly located on the distal regions of chromosome arms and is of approximately equal frequency on both A- and B-chromosomes. Its chromosome-specific hybridization pattern facilitates the identification of individual chromosomes, a useful cytogenetic tool considering that chromosomes in peanut are mostly metacentric and of similar size. Phylogenetic analysis of Matita elements, molecular dating of transposition events, and an estimation of the evolutionary divergence of the most probable A- and B-donor species suggest that Matita underwent its last major burst of transposition activity at around the same time of the A- and B-genome divergence about 3.5 million years ago. By probing BAC libraries with overgos probes for Matita, resistance gene analogues, and single- or low-copy genes, it was demonstrated that Matita is not randomly distributed in the genome but exhibits a significant tendency of being more abundant near resistance gene homologues than near single-copy genes. The described work is a further step towards broadening the knowledge on genomic and chromosomal structure of peanut and on its evolution.
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