ArticleBMC plant biology2008
BAC libraries construction from the ancestral diploid genomes of the allotetraploid cultivated peanut.
Article in BMC plant biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 36 citations in OpenAlex.
- Genetic Augmentation of Legume Crops Using Genomic Resources and Genotyping Platforms for Nutritional Food Security.Plants (Basel, Switzerland) · 2022Review
- Construction of a high-quality genomic BAC library for Chinese peanut cultivar Zhonghua 8 with high oil content.Botanical studies · 2014Article
- The repetitive component of the A genome of peanut (Arachis hypogaea) and its role in remodelling intergenic sequence space since its evolutionary divergence from the B genome.Annals of botany · 2013Article
- Global transcriptome analysis of two wild relatives of peanut under drought and fungi infection.BMC genomics · 2012Article
- Characterization and compilation of polymorphic simple sequence repeat (SSR) markers of peanut from public database.BMC research notes · 2012Article
- In silico polymorphism analysis for the development of simple sequence repeat and transposon markers and construction of linkage map in cultivated peanut.BMC plant biology · 2012Article
- Development and characterization of BAC-end sequence derived SSRs, and their incorporation into a new higher density genetic map for cultivated peanut (Arachis hypogaea L.).BMC plant biology · 2012Article
- Matita, a new retroelement from peanut: characterization and evolutionary context in the light of the Arachis A-B genome divergence.Molecular genetics and genomics : MGG · 2012Article
- Reference genes for quantitative reverse transcription-polymerase chain reaction expression studies in wild and cultivated peanut.BMC research notes · 2011Article
- Adventures in the enormous: a 1.8 million clone BAC library for the 21.7 Gb genome of loblolly pine.PloS one · 2011Article
- FIDEL-a retrovirus-like retrotransposon and its distinct evolutionary histories in the A- and B-genome components of cultivated peanut.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2010Article
- Identification of candidate genome regions controlling disease resistance in Arachis.BMC plant biology · 2009Article
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Authors and funding
8 authors at 6 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCultivated peanut, Arachis hypogaea is an allotetraploid of recent origin, with an AABB genome. In common with many other polyploids, it seems that a severe genetic bottle-neck was imposed at the species origin, via hybridisation of two wild species and spontaneous chromosome duplication. Therefore, the study of the genome of peanut is hampered both by the crop's low genetic diversity and its polyploidy. In contrast to cultivated peanut, most wild Arachis species are diploid with high genetic diversity. The study of diploid Arachis genomes is therefore attractive, both to simplify the construction of genetic and physical maps, and for the isolation and characterization of wild alleles. The most probable wild ancestors of cultivated peanut are A. duranensis and A. ipaënsis with genome types AA and BB respectively.
resultsWe constructed and characterized two large-insert libraries in Bacterial Artificial Chromosome (BAC) vector, one for each of the diploid ancestral species. The libraries (AA and BB) are respectively c. 7.4 and c. 5.3 genome equivalents with low organelle contamination and average insert sizes of 110 and 100 kb. Both libraries were used for the isolation of clones containing genetically mapped legume anchor markers (single copy genes), and resistance gene analogues.
conclusionThese diploid BAC libraries are important tools for the isolation of wild alleles conferring resistances to biotic stresses, comparisons of orthologous regions of the AA and BB genomes with each other and with other legume species, and will facilitate the construction of a physical map.
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