ArticleGenes & genomics2019
Characterization of chloroplast genomes of Alnus rubra and Betula cordifolia, and their use in phylogenetic analyses in Betulaceae.
Article in Genes & genomics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Phenotypic Variation Analysis and Excellent Clone Selection ofPlants (Basel, Switzerland) · 2023Article
- Plastome phylogenomics provide new perspective into the phylogeny and evolution of Betulaceae (Fagales).BMC plant biology · 2022Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveBetulaceae is a relatively small birch family that comprises about 160 deciduous trees and shrubs. Chloroplast (cp) genome sequencing of Alnus rubra and Betula cordifolia was carried out to elucidate their molecular features and phylogenetic relationship among species in Betulaceae family.
methodsChloroplast genome sequencing was carried out using next generation sequencing method. Molecular and genomic features of the two cp genomes were characterized with other cp genomes in Betulaceae. Also, molecular phylogenetic analysis was performed using the whole cp genome sequences.
resultsThe average cp genome length was 160,136 bp among the Betulaceae species. Base compositions of the cp genomes were skewed toward a high AT ratio, with an average of 63.4%. We identified 117 different genes 83 with protein coding, 4 with ribosomal RNA, and 30 with tRNA. Eighteen genes contained introns which were conserved among the cp genomes of all Betulaceae. We mined 82 SSRs from the cp genomes of A. rubra, A. cordifolia, and A. nana. The SSRs were variable in motif repeat numbers and presence/absence among the cp genomes.
conclusionChloroplast genome-wide sequence comparison from 11 Betulaceae species and one cp genome of evergreen oak revealed that the patterns of sequence variations were congruent with two subfamily classification Betuloideae (Alnus and Betula) and Corylaceae (Corylus, Ostrya, and Carpinus). Subsequent phylogenetic analysis also supports the sub-classifications of these species.
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