The complete chloroplast genome of Camellia flava (Pitard) Sealy, a golden camellia of Vietnam
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ABSTRACT:
SUBMITTER: Tang Y
PROVIDER: S-EPMC11340231 | biostudies-literature | 2024 Aug
REPOSITORIES: biostudies-literature
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Project description:Camellia osmantha is a new species of the Camellia genus discovered in Nanning, Guangxi, China, in 2012. It can be used as an excellent woody oil crop. There is little related research on this species in China and abroad, and its genome information is still lacking. In this study, the complete chloroplast genome sequence of C. osmantha was first reported (GenBank number: MZ128138). The whole chloroplast genome is 156,981 bp in length with a GC content of 37.28%, and it is composed of a large single copy (LSC) region of 86,647 bp, a small single copy (SSC) region of 18,284 bp, and a pair of inverted repeat (IR) regions of 26,025 bp each. The genome contains a total of 135 functional genes, including 37 transfer RNA genes, 90 protein-coding genes, and 8 ribosomal RNA genes. The maximum likelihood analysis based on 21 chloroplast genomes showed that C. osmantha and C. oleifera (MF541730.2) were the most closely related.
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Project description:Abstract Camellia atrothea H.T. Chang, H.S. Wang & B.H. Chen 1983 is a native Camellia species in China, which has significant economic and breeding values. Here, we assembled and analyzed the complete chloroplast genome sequence of C. atrothea based on the whole genome sequencing data from Illumina NovaSeq6000 platform. Results show that the complete chloroplast genome of C. atrothea is 157,099 bp in length, and comprises a large single-copy (LSC, 86,643 bp) region, a small single-copy (SSC, 18,276 bp) region, and a pair of inverted repeats (IRs, 26,090 bp) region. Annotation of the C. atrothea chloroplast genome predicts a total of 133 genes, including 88 protein-coding genes, 8 ribosomal RNA genes, and 37 transfer RNA genes. The overall GC content accounts for 37.30% of the genome, which is clearly consistent with that of other previously published Camellia species from section Thea. Phylogenetic analyses of the whole chloroplast genome sequences of 14 Camellia species using Actinidia chinensis as outgroup reveals that C. atrothea has a close relationship with C. leptophylla.
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Project description:Camellia leyeensis Chang ＆ Y. C. Zhong is a plant belonging to the genus Camellia. To determine its correct taxonomic status and better understand its molecular phylogenetic and genetic diversity, we studied the chloroplast genome of this species. Here, we report and characterize the complete chloroplast (cp) genome of C. leyeensis by using Illumina paired-end sequencing data. The chloroplast genome was determined to be 157,063 bp in length with a GC content of 37.30%. The genome contained 136 genes, including 91 protein-coding genes, 37 tRNA genes, and 8 rRNA genes. The sequence contained a large single-copy region (LSC, 86,661 bp), a small single-copy region (SSC, 18,284 bp), and two inverted repeat sequences (IRs, 26,059 bp, each). The GC content of the IR regions (42.96%) was higher than that of the SSC region (30.6%) and LSC region (35.31%). Phylogenetic analysis suggested that Camellia leyeensis is closely related to C. anlungensis with 96% bootstrap support. This chloroplast genome would be helpful for the phylogeny and conservation of Camellia.
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Project description:Camellia chuongtsoensis is an evergreen shrub with a single-petaled flower and golden yellow color. The complete chloroplast genome of C. chuongtsoensis was sequenced and analyzed in this study by Illumina sequencing. The chloroplast genome is 156,504 bp in length with a quadripartite structure containing a large single copy (LSC) region of 86,215 bp, a small single copy (SSC) region of 18,253 bp, and a pair of inverted repeat regions of 26,018 bp (IRa and IRb). The chloroplast genome of C. chuongtsoensis encodes 135 genes, comprising 87 protein-coding genes, 37 tRNA genes, 8 rRNA genes, and 3 pseudogenes.
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Project description:The complete chloroplast genome sequence of valuable ornamental tree, Camellia japonica L. (Theaceae), was determined. The genome size was 156,971 bp in length, containing a pair of 25,798 bp inverted repeat (IR) regions, which were separated by small and large single copy regions (SSC and LSC) of 18,394 and 86,673 bp, respectively. The cp genome contained 134 genes, including 91 coding genes, six rRNA genes, and 37 tRNA genes. The overall GC content of the chloroplast genome was 37.3%. Phylogenetic analysis revealed the position of C. japonica being sister to the clade containing C. crapnelliana and C. oleifera (subgenus Camellia).
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