Dataset Information

Characterization of the complete chloroplast genome of a Peruvian landrace of Capsicum chinense Jacq. (Solanaceae), arnaucho chili pepper.

ABSTRACT: In this study, we sequenced the first complete chloroplast (cp) genome of a Peruvian chili pepper landrace, "arnacucho" (Capsicum chinense). This cp genome has a 156,931 bp in length with typical quadripartite structure, containing a large single copy (LSC) region (87,325 bp) and a 17,912 bp small single-copy (SSC) region, separated by two inverted repeat (IR) regions (25,847 bp); and the percentage of GC content was 37.71%. Arnaucho chili pepper chloroplast genome possesses 133 genes that consists of 86 protein-coding genes, 37 tRNA, eight rRNA, and two pseudogenes. Phylogenetic analysis revealed that this Peruvian chili pepper landrace is closely related to the undomesticated species C. galapagoense; all belong to the Capsiceae tribe.

SUBMITTER: Arbizu CI

PROVIDER: S-EPMC8741228 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Publications

Characterization of the complete chloroplast genome of a Peruvian landrace of <i>Capsicum chinense</i> Jacq. (Solanaceae), arnaucho chili pepper.

Arbizu Carlos I CI Saldaña Carla L CL Ferro-Mauricio Rubén D RD Chávez-Galarza Julio C JC Herrera Jordan J Contreras-Liza Sergio S Guerrero-Abad Juan C JC Maicelo Jorge L JL

Mitochondrial DNA. Part B, Resources 20220105 1

In this study, we sequenced the first complete chloroplast (cp) genome of a Peruvian chili pepper landrace, "arnacucho" (<i>Capsicum chinense</i>). This cp genome has a 156,931 bp in length with typical quadripartite structure, containing a large single copy (LSC) region (87,325 bp) and a 17,912 bp small single-copy (SSC) region, separated by two inverted repeat (IR) regions (25,847 bp); and the percentage of GC content was 37.71%. Arnaucho chili pepper chloroplast genome possesses 133 genes tha ...[more]

PMID: 35005231

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Project description:Background and aimsCapsicum (Solanaceae), native to the tropical and temperate Americas, comprises the well-known sweet and hot chili peppers and several wild species. So far, only partial taxonomic and phylogenetic analyses have been done for the genus. Here, the phylogenetic relationships between nearly all taxa of Capsicum were explored to test the monophyly of the genus and to obtain a better knowledge of species relationships, diversification and expansion.MethodsThirty-four of approximately 35 Capsicum species were sampled. Maximum parsimony and Bayesian inference analyses were performed using two plastid markers (matK and psbA-trnH) and one single-copy nuclear gene (waxy). The evolutionary changes of nine key features were reconstructed following the parsimony ancestral states method. Ancestral areas were reconstructed through a Bayesian Markov chain Monte Carlo analysis.Key resultsCapsicum forms a monophyletic clade, with Lycianthes as a sister group, following both phylogenetic approaches. Eleven well-supported clades (four of them monotypic) can be recognized within Capsicum, although some interspecific relationships need further analysis. A few features are useful to characterize different clades (e.g. fruit anatomy, chromosome base number), whereas some others are highly homoplastic (e.g. seed colour). The origin of Capsicum is postulated in an area along the Andes of western to north-western South America. The expansion of the genus has followed a clockwise direction around the Amazon basin, towards central and south-eastern Brazil, then back to western South America, and finally northwards to Central America.ConclusionsNew insights are provided regarding interspecific relationships, character evolution, and geographical origin and expansion of Capsicum A clearly distinct early-diverging clade can be distinguished, centred in western-north-western South America. Subsequent rapid speciation has led to the origin of the remaining clades. The diversification of Capsicum has culminated in the origin of the main cultivated species in several regions of South to Central America.

Dataset Information

Characterization of the complete chloroplast genome of a Peruvian landrace of Capsicum chinense Jacq. (Solanaceae), arnaucho chili pepper.

Publications

Characterization of the complete chloroplast genome of a Peruvian landrace of <i>Capsicum chinense</i> Jacq. (Solanaceae), arnaucho chili pepper.

Similar Datasets

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