The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial Phylogeny
The Smilacaceae is a cosmopolitan family consisting of 200–370 described species. The family includes two widely accepted genera, namely <i>Smilax</i> and <i>Heterosmilax</i>. Among them, the taxonomical status of <i>Heterosmilax</i> has been continuously challeng...
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MDPI AG
2023-04-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/24/8/7460 |
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| author | Kwan-Ho Wong Tin-Yan Siu Stacey Shun-Kei Tsang Bobby Lim-Ho Kong Hoi-Yan Wu Grace Wing-Chiu But Jerome Ho-Lam Hui Pang-Chui Shaw David Tai-Wai Lau |
| author_facet | Kwan-Ho Wong Tin-Yan Siu Stacey Shun-Kei Tsang Bobby Lim-Ho Kong Hoi-Yan Wu Grace Wing-Chiu But Jerome Ho-Lam Hui Pang-Chui Shaw David Tai-Wai Lau |
| author_sort | Kwan-Ho Wong |
| collection | DOAJ |
| description | The Smilacaceae is a cosmopolitan family consisting of 200–370 described species. The family includes two widely accepted genera, namely <i>Smilax</i> and <i>Heterosmilax</i>. Among them, the taxonomical status of <i>Heterosmilax</i> has been continuously challenged. Seven <i>Smilax</i> and two <i>Heterosmilax</i> species can be found in Hong Kong, with most of them having medicinal importance. This study aims to revisit the infra-familial and inter-familial relationships of the Smilacaceae using complete chloroplast genomes. The chloroplast genomes of the nine Smilacaceae species from Hong Kong were assembled and annotated, which had sizes of 157,885 bp to 159,007 bp; each of them was identically annotated for 132 genes, including 86 protein-coding genes, 38 transfer RNA genes, and 8 ribosomal RNA genes. The generic status of <i>Heterosmilax</i> was not supported because it was nested within the <i>Smilax</i> clade in the phylogenetic trees, echoing previous molecular and morphological studies. We suggest delimitating the genus <i>Heterosmilax</i> as a section under the genus <i>Smilax</i>. The results of phylogenomic analysis support the monophyly of Smilacaceae and the exclusion of <i>Ripogonum</i> from the family. This study contributes to the systematics and taxonomy of monocotyledons, authentication of medicinal Smilacaceae, and conservation of plant diversity. |
| first_indexed | 2024-03-11T04:56:13Z |
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| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-11T04:56:13Z |
| publishDate | 2023-04-01 |
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| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-8602b8eccc4f49abbe8e972b480584ac2023-11-17T19:40:46ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-04-01248746010.3390/ijms24087460The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial PhylogenyKwan-Ho Wong0Tin-Yan Siu1Stacey Shun-Kei Tsang2Bobby Lim-Ho Kong3Hoi-Yan Wu4Grace Wing-Chiu But5Jerome Ho-Lam Hui6Pang-Chui Shaw7David Tai-Wai Lau8Shiu-Ying Hu Herbarium, School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaShiu-Ying Hu Herbarium, School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaShiu-Ying Hu Herbarium, School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaSchool of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaLi Dak Sum Yip Yio Chin R & D Centre for Chinese Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaSchool of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaSchool of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaSchool of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaShiu-Ying Hu Herbarium, School of Life Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong, ChinaThe Smilacaceae is a cosmopolitan family consisting of 200–370 described species. The family includes two widely accepted genera, namely <i>Smilax</i> and <i>Heterosmilax</i>. Among them, the taxonomical status of <i>Heterosmilax</i> has been continuously challenged. Seven <i>Smilax</i> and two <i>Heterosmilax</i> species can be found in Hong Kong, with most of them having medicinal importance. This study aims to revisit the infra-familial and inter-familial relationships of the Smilacaceae using complete chloroplast genomes. The chloroplast genomes of the nine Smilacaceae species from Hong Kong were assembled and annotated, which had sizes of 157,885 bp to 159,007 bp; each of them was identically annotated for 132 genes, including 86 protein-coding genes, 38 transfer RNA genes, and 8 ribosomal RNA genes. The generic status of <i>Heterosmilax</i> was not supported because it was nested within the <i>Smilax</i> clade in the phylogenetic trees, echoing previous molecular and morphological studies. We suggest delimitating the genus <i>Heterosmilax</i> as a section under the genus <i>Smilax</i>. The results of phylogenomic analysis support the monophyly of Smilacaceae and the exclusion of <i>Ripogonum</i> from the family. This study contributes to the systematics and taxonomy of monocotyledons, authentication of medicinal Smilacaceae, and conservation of plant diversity.https://www.mdpi.com/1422-0067/24/8/7460Smilacaceae<i>Smilax</i><i>Heterosmilax</i>chloroplast genomesphylogenymonophyly |
| spellingShingle | Kwan-Ho Wong Tin-Yan Siu Stacey Shun-Kei Tsang Bobby Lim-Ho Kong Hoi-Yan Wu Grace Wing-Chiu But Jerome Ho-Lam Hui Pang-Chui Shaw David Tai-Wai Lau The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial Phylogeny International Journal of Molecular Sciences Smilacaceae <i>Smilax</i> <i>Heterosmilax</i> chloroplast genomes phylogeny monophyly |
| title | The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial Phylogeny |
| title_full | The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial Phylogeny |
| title_fullStr | The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial Phylogeny |
| title_full_unstemmed | The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial Phylogeny |
| title_short | The Complete Chloroplast Genomes of Nine Smilacaceae Species from Hong Kong: Inferring Infra- and Inter-Familial Phylogeny |
| title_sort | complete chloroplast genomes of nine smilacaceae species from hong kong inferring infra and inter familial phylogeny |
| topic | Smilacaceae <i>Smilax</i> <i>Heterosmilax</i> chloroplast genomes phylogeny monophyly |
| url | https://www.mdpi.com/1422-0067/24/8/7460 |
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