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Chloroplast Genome of Rambutan and Comparative Analyses in Sapindaceae

Dong, Fei ; Lin, Zhicong ; Lin, Jing ; Ming, Ray ; Zhang, Wenping

Plants (Basel), 2021-02, Vol.10 (2), p.283 [Periódico revisado por pares]

Switzerland: MDPI AG

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  • Título:
    Chloroplast Genome of Rambutan and Comparative Analyses in Sapindaceae
  • Autor: Dong, Fei ; Lin, Zhicong ; Lin, Jing ; Ming, Ray ; Zhang, Wenping
  • Assuntos: Adaptation ; Amino acids ; chloroplast genome ; Chloroplasts ; Circular DNA ; Codons ; Comparative analysis ; comparative genomic ; Divergence ; DNA-directed RNA polymerase ; Fruit trees ; Gene duplication ; Genes ; Genomes ; Nephelium lappaceum ; Nucleotide sequence ; Phylogenetics ; Phylogeny ; Positive selection ; Proteins ; rambutan ; RNA editing ; rRNA ; Sapindaceae ; Simple sequence repeats ; Transfer RNA ; tRNA
  • É parte de: Plants (Basel), 2021-02, Vol.10 (2), p.283
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Rambutan ( L.) is an important fruit tree that belongs to the family Sapindaceae and is widely cultivated in Southeast Asia. We sequenced its chloroplast genome for the first time and assembled 161,321 bp circular DNA. It is characterized by a typical quadripartite structure composed of a large (86,068 bp) and small (18,153 bp) single-copy region interspersed by two identical inverted repeats (IRs) (28,550 bp). We identified 132 genes including 78 protein-coding genes, 29 tRNA and 4 rRNA genes, with 21 genes duplicated in the IRs. Sixty-three simple sequence repeats (SSRs) and 98 repetitive sequences were detected. Twenty-nine codons showed biased usage and 49 potential RNA editing sites were predicted across 18 protein-coding genes in the rambutan chloroplast genome. In addition, coding gene sequence divergence analysis suggested that , , , , and were under positive selection, which might reflect specific adaptations of to its particular living environment. Comparative chloroplast genome analyses from nine species in Sapindaceae revealed that a higher similarity was conserved in the IR regions than in the large single-copy (LSC) and small single-copy (SSC) regions. The phylogenetic analysis showed that chloroplast genome has the closest relationship with that of . The understanding of the chloroplast genomics of rambutan and comparative analysis of Sapindaceae species would provide insight into future research on the breeding of rambutan and Sapindaceae evolutionary studies.
  • Editor: Switzerland: MDPI AG
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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