{"title":"The complete chloroplast genome of <i>Persicaria pensylvanica</i> (L.) M.Gómez (Polygonaceae): a comparative phylogenetic analysis of the genus <i>Persicaria</i>.","authors":"Junhyun Hur, Sang-Tae Kim","doi":"10.1080/23802359.2026.2680754","DOIUrl":"10.1080/23802359.2026.2680754","url":null,"abstract":"<p><p><i>Persicaria pensylvanica</i> (L.) M. Gómez (=<i>Polygonum pensylvanicum</i> L.), known as Pennsylvania smartweed or pinkweed, is an annual herb adaptable to various soil types in the family Polygonaceae. We present its chloroplast genome of 159,036 bp, with two inverted repeats (31,141 bp each), a large single-copy (83,604 bp), and a small single-copy (13,150 bp). Genome annotation revealed 131 functional genes, including 86 protein-coding, 37 transfer RNA, and eight ribosomal RNA genes. The phylogeny based on maximum-likelihood analysis suggested that <i>P. pensylvanica</i> is most closely related to <i>P. maculosa</i> and provided taxonomic insight into the sectional relationships within the genus <i>Persicaria</i>.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"854-858"},"PeriodicalIF":0.7,"publicationDate":"2026-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13255201/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148252305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The complete mitochondrial genome of <i>Stauroderus scalaris</i> (Orthoptera: Acrididae) and its phylogenetic implication.","authors":"Yuanjia Zhong, Jiaqi Yun, Lin Qi, Shanyu Wang, Tieliewuhabuli Akegu, Jianguo Wu, Liang Yuan","doi":"10.1080/23802359.2026.2685909","DOIUrl":"10.1080/23802359.2026.2685909","url":null,"abstract":"<p><p>This study reports the complete mitochondrial genome (15,610 bp) of <i>Stauroderus scalaris</i>, a grasshopper species from Xinjiang, China, which comprises 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and a control region. Phylogenetic analysis confirms its close evolutionary relationship with the genera <i>Gomphocerus</i> and <i>Gomphocerippus</i>, supporting its placement within the tribe Gomphocerini. These findings enrich the available mitochondrial genome resources for grasshoppers and provide valuable molecular data for subsequent research on the phylogeny and evolutionary history of the subfamily Gomphocerinae.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"839-843"},"PeriodicalIF":0.7,"publicationDate":"2026-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13255196/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148252263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The complete plastome sequence of <i>Amorphophallus allenii</i> sheds light on intrageneric phylogeny of <i>Amorphophallus</i>.","authors":"Haoliang Shi, Wei Wang, Ying Qi, Penghua Gao, Min Yang, Yongteng Zhao, Feiyan Huang, Jiani Liu, Jianrong Zhao, Lifang Li, Lei Yu","doi":"10.1080/23802359.2026.2680786","DOIUrl":"10.1080/23802359.2026.2680786","url":null,"abstract":"<p><p>The chloroplast genome of <i>Amorphophallus allenii</i>, a rare species endemic to limestone habitats, was sequenced to resolve phylogenetic uncertainties within the genus. Using PacBio HiFi sequencing, we performed a de novo assembly and obtained a complete circular genome of 170,657 bp, featuring a typical quadripartite structure. The genome encodes 126 genes, including 81 protein-coding genes, 8 rRNA genes, and 37 tRNA genes. Maximum likelihood phylogenetic analyses based on whole plastome, coding sequence, and protein alignments robustly support the placement of <i>A. allenii</i> within the Continental Asia I clade, with <i>A. muelleri</i> identified as its closest relative. This study provides a reliable genomic resource that clarifies the species' phylogenetic position and establishes a foundation for investigating evolutionary diversification and biogeographic patterns in the genus <i>Amorphophallus</i>.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"833-838"},"PeriodicalIF":0.7,"publicationDate":"2026-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13248494/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148218380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eun Su Kang, Hye Been Kim, Ju Eun Jang, Dong Chan Son
{"title":"Complete chloroplast genome and phylogenetic analysis of <i>Richardia brasiliensis</i> (Rubiaceae, Rubioideae, Spermacoceae).","authors":"Eun Su Kang, Hye Been Kim, Ju Eun Jang, Dong Chan Son","doi":"10.1080/23802359.2026.2680769","DOIUrl":"10.1080/23802359.2026.2680769","url":null,"abstract":"<p><p>We determined the chloroplast genome of <i>Richardia brasiliensis</i>. The genome was 154,573 bp with a typical quadripartite structure: a large single-copy region (84,388 bp), a small single-copy region (17,411 bp), and two inverted repeat regions (26,387 bp each). It contained 128 genes: 83 protein-coding genes (PCGs), 37 transfer RNA, and eight ribosomal RNA genes. For phylogenetic inference, 77 shared PCGs were concatenated from the chloroplast genomes of 52 taxa, revealing that <i>R. brasiliensis</i> is the most closely related to <i>Oldenlandia corymbosa</i>. This chloroplast genome provides a valuable resource for Spermacoceae and facilitates future studies to resolve intergeneric relationships.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"827-832"},"PeriodicalIF":0.7,"publicationDate":"2026-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13235240/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148199417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hui-Qun Deng, Xian-Jun Liao, Shi-Xiong Yang, Xiang-Qin Yu, Zhu-Sheng Liu
{"title":"The complete chloroplast genome sequence of <i>Camellia yangii</i> D.Wei Zhao (Theaceae), a rare tea plant germplasm.","authors":"Hui-Qun Deng, Xian-Jun Liao, Shi-Xiong Yang, Xiang-Qin Yu, Zhu-Sheng Liu","doi":"10.1080/23802359.2026.2680730","DOIUrl":"10.1080/23802359.2026.2680730","url":null,"abstract":"<p><p><i>Camellia yangii</i> D.Wei Zhao (Theaceae) is a recently reported new tea plant species from Yunnan, China. In this study, we report and characterize the complete chloroplast (cp) genome of <i>C. yangii</i>. The cp genome of <i>C. yangii</i> is 156,566 bp in length, comprising an 86,233 bp large single-copy region, an 18,255 bp small single-copy region, and a pair of 26,039 bp inverted repeat regions. The genome contains 129 genes, including 36 tRNA, eight rRNA, and 85 protein-coding genes. Phylogenetic analysis indicated <i>C. yangii</i> shows closest phylogenetic relationships with <i>C. makuanica</i>, <i>C. kwangsiensis</i>, <i>C. crassicoluma</i>, and <i>C. taliensis.</i></p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"822-826"},"PeriodicalIF":0.7,"publicationDate":"2026-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13235223/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148199422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiaolin Song, Ningning Ren, Shuming Yan, Shuang Han, Qingchen Zhang, Jie Yang
{"title":"The complete chloroplast genome of <i>Dioscorea polystachya</i> 'Huilou' (Dioscoreaceae) and its phylogenetic analysis.","authors":"Xiaolin Song, Ningning Ren, Shuming Yan, Shuang Han, Qingchen Zhang, Jie Yang","doi":"10.1080/23802359.2026.2680733","DOIUrl":"10.1080/23802359.2026.2680733","url":null,"abstract":"<p><p><i>Dioscorea polystachya</i> 'Huilou' is a famous Chinese yam cultivar and cultivated in Shangqiu city of China. In this study, we sequenced, assembled, and analyzed the complete chloroplast (cp) genome of 'Huilou' yam. Our results showed that the complete cp genome of 'Huilou' yam is a typical tetrad structure with a total length of 153,234 bp and encoded 132 genes. Phylogenetic analysis strongly supported that 'Huilou' yam is closely related to <i>D. polystachya</i> 'Anping'. This study is highly significant for enriching the yam genetic resources and promoting yam breeding research.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"817-821"},"PeriodicalIF":0.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13228169/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148157103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The complete chloroplast genome of <i>Polygala fallax</i> hemsl. (polygalaceae), a medicinal plant in China.","authors":"Zongkao Huang, Jie Luo","doi":"10.1080/23802359.2026.2677954","DOIUrl":"10.1080/23802359.2026.2677954","url":null,"abstract":"<p><p><i>Polygala fallax</i> Hemsl. is a medicinally important shrub endemic to southern China. In this study, we report the complete sequencing, assembly, and comprehensive characterization of its chloroplast genome using next-generation sequencing technology. The assembled chloroplast genome spans 164,687 base pairs (bp) with an overall GC content of 36.9%, exhibiting the canonical quadripartite structure typical of angiosperms. This architecture comprises a large single-copy (LSC) region of 83,352 bp, a small single-copy (SSC) region of 8,283 bp, and a pair of inverted repeat (IR) regions, each 36,526 bp in length. Annotation revealed a total of 135 genes, including 89 protein-coding genes, 8 ribosomal RNA (rRNA) genes, and 38 transfer RNA (tRNA) genes. Comparative analyses across multiple <i>Polygala</i> chloroplast genomes identified seven highly variable regions-<i>atpH</i>-<i>atpI</i>, <i>rps4</i>-<i>accD</i>, <i>ycf15</i>-<i>ycf1</i>, <i>ndhF</i>-<i>rpl32</i>, <i>rpl32</i>-<i>ccsA</i>, <i>ndhE</i>-<i>ndhG</i>-<i>ndhI</i>, and <i>ycf1</i>-<i>trnN</i>-which represent promising molecular markers for species discrimination within the genus. Phylogenetic reconstruction based on chloroplast genome sequences revealed a close evolutionary relationship between <i>P. fallax</i> and <i>P. arillata</i>, supporting their placement within the same subgenus (<i>Chamaebuxus</i>). This study provides valuable genomic resources for future phylogenetic, taxonomic, and conservation studies of <i>Polygala</i> species.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"791-796"},"PeriodicalIF":0.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13228175/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148157118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eun Su Kang, Hye Been Kim, Ju Eun Jang, Dong Chan Son
{"title":"Complete chloroplast genome and phylogenetic analysis of the korean endemic plant <i>Semiaquilegia quelpaertensis</i> D.C. Son & K.H. Lee (Isopyreae, Ranunculaceae).","authors":"Eun Su Kang, Hye Been Kim, Ju Eun Jang, Dong Chan Son","doi":"10.1080/23802359.2026.2680737","DOIUrl":"10.1080/23802359.2026.2680737","url":null,"abstract":"<p><p>We sequenced the chloroplast genome of <i>Semiaquilegia quelpaertensis</i> and analyzed its phylogenetic relationships. The genome exhibited a typical quadripartite structure of 162,312 bp, comprising a large single-copy region (91,355 bp), a small single-copy region (17,331 bp), and two inverted repeat regions (26,813 bp each). A total of 127 genes were identified, including 81 protein-coding sequences (CDSs), 38 transfer RNA genes, and eight ribosomal RNA genes. Phylogenetic analysis using 77 CDSs from 48 taxa indicated that <i>S. quelpaertensis</i> is sister to <i>S. adoxoides</i>. These findings provide genomic fundamental data for evolutionary and conservation studies of endemic <i>Semiaquilegia</i> species.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"812-816"},"PeriodicalIF":0.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13228166/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148157154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kaiming Gao, Yang Ni, Jiahua Chen, Xinmin Pan, Guoan Shen
{"title":"Comprehensive analysis of the chloroplast genome structure and phylogeny of <i>Glochidion puberum</i> (L.) Hutch.","authors":"Kaiming Gao, Yang Ni, Jiahua Chen, Xinmin Pan, Guoan Shen","doi":"10.1080/23802359.2026.2680739","DOIUrl":"10.1080/23802359.2026.2680739","url":null,"abstract":"<p><p><i>Glochidion puberum</i> (L.) Hutch., a member of the family Phyllanthaceae, is widely distributed in China and possesses both medicinal and ornamental value. Despite its ecological and economic significance, the complete chloroplast genome of <i>G. puberum</i> had not been reported, and its phylogenetic placement within the genus <i>Glochidion</i> has remained unresolved. In this study, we assembled and annotated the complete chloroplast genome of <i>G. puberum</i> for the first time. The chloroplast genome is 157,133 bp in length, exhibiting an overall GC content of 37% and containing 129 genes. The result of phylogenetic analysis revealed a close evolutionary relationship among <i>G. puberum</i>, <i>G. hirsutum</i>, and <i>G. chodoense</i> based on complete chloroplast genome. These findings provide comprehensive genomic data for <i>G. puberum</i> and offer new perspectives on the phylogenetic relationships and evolutionary position in the broader Phyllanthaceae family.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"802-806"},"PeriodicalIF":0.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13228165/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148157157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The complete chloroplast genome sequence and phylogenetic analysis of <i>Hydrocleys nymphoides</i> (Alismataceae), an aquatic ornamental plant.","authors":"Xiuli Lu, Wei Ming","doi":"10.1080/23802359.2026.2679244","DOIUrl":"10.1080/23802359.2026.2679244","url":null,"abstract":"<p><p>The complete chloroplast (cp) genome of <i>Hydrocleys nymphoides</i>, an aquatic ornamental plant, was sequenced and assembled in this study. The circular genome was 187,253 bp in length and exhibited a typical quadripartite structure of the large single-copy (LSC, 94,246 bp) and small single-copy (SSC, 483 bp) regions, separated by a pair of inverted repeats (IRs, 46,262 bp). The cp genome contains 116 unique genes, including 80 protein-coding genes, 32 tRNA, and four rRNA genes. The phylogenetic analysis based on whole cp genome demonstrated a close relationship between <i>Hydrocleys</i> and <i>Alisma</i> under current sampling. Our study will offer valuable genetic resources for phylogenetic and evolutionary research.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 7","pages":"807-811"},"PeriodicalIF":0.7,"publicationDate":"2026-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13224693/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148150298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}