The complete chloroplast genome sequence of Pittosporum illicioides Makino, 1900 (Pittosporaceae).

IF 0.7 4区生物学 Q4 GENETICS & HEREDITY

Mitochondrial DNA. Part B, Resources Pub Date : 2025-09-16 eCollection Date: 2025-01-01 DOI:10.1080/23802359.2025.2559708

Song Guo, Xianglan Liang, Chunlian Li, Qiuli Zhangb, Qiuxiang Luo

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Abstract

Pittosporum illicioides Makino, 1900, a member of the genus Pittosporum, is a traditional medicinal plant extensively used in the Yao ethnic regions of southern China. The complete chloroplast genome of P. illicioides was sequenced and assembled for the first time, with a length of 153,610 bp, comprising a large single-copy (LSC) region (84,915 bp), a small single-copy (SSC) region (18,727 bp), and a pair of inverted repeat (IRa and IRb) regions (24,984 bp each) separated by the LSC and SSC regions. A total of 128 genes were annotated, including 83 protein-coding genes, 37 transfer RNA (tRNA) genes, and 8 ribosomal RNA (rRNA) genes. Among these, ten genes contained a single intron, while two genes (clpP and ycf3) possessed two introns. Phylogenetic analysis revealed that P. illicioides is most closely related to Pittosporum tobira. This plastome enhances genomic resources for Pittosporum and serves as a valuable reference for plant identification.

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标题Pittosporum illicioides Makino， 1900 （Pittosporum illicioides Makino）叶绿体全基因组序列。

Pittosporum illicioides Makino, 1900， Pittosporum illicioides Makino是Pittosporum属的成员，是中国南方瑶族地区广泛使用的传统药用植物。首次测序并组装了黄连叶绿体全基因组，全长153,610 bp，包括一个大单拷贝（LSC）区（84,915 bp）、一个小单拷贝（SSC）区（18,727 bp）和一对由LSC和SSC区分开的反向重复（IRa和IRb）区（各24,984 bp）。共注释了128个基因，包括83个蛋白质编码基因、37个转移RNA （tRNA）基因和8个核糖体RNA （rRNA）基因。其中10个基因含有单个内含子，2个基因（clpP和ycf3）含有两个内含子。系统发育分析表明，P. illicioides与Pittosporum tobira亲缘关系最为密切。该质体体增加了Pittosporum的基因组资源，为植物鉴定提供了有价值的参考。

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来源期刊

Mitochondrial DNA. Part B, Resources Biochemistry, Genetics and Molecular Biology-Molecular Biology

CiteScore

1.30

自引率

20.00%

发文量

670

期刊介绍： This open access journal publishes high-quality and concise research articles reporting the sequence of full mitochondrial genomes, and short communications focusing on the physical, chemical, and biochemical aspects of mtDNA and proteins involved in mtDNA metabolism and interactions.