{"title":"Mitochondrial genome characteristics and phylogenetic analysis of <i>Ramaria longispora</i>.","authors":"Yan Yu, Chang Liu","doi":"10.1080/23802359.2026.2728263","DOIUrl":"10.1080/23802359.2026.2728263","url":null,"abstract":"<p><p>This study, for the first time, assembled and annotated the complete mitochondrial genome of <i>R. longispora</i> using high-throughput sequencing technology. The genome is a circular molecule with a total length of 157,712 bp and a GC content of 31.55%. It encodes 71 genes, including 15 core protein-coding genes (PCGs), 25 transfer RNA (tRNA) genes, 2 ribosomal RNA (rRNA) genes, 5 free-stranding open reading frames (ORFs), and 24 intronic ORFs. Among these, most free-stranding ORFs have unknown functions but include a DNA polymerase gene, while the intronic ORFs primarily encode LAGLIDADG and GIY-YIG endonucleases. The mitochondrial genome contains 39 introns. Phylogenetic analyses based on 15 core PCGs using Bayesian inference (BI) and maximum likelihood (ML) methods revealed that this <i>R. longispora</i> is most closely related to <i>Ramaria flavescens</i> and <i>Ramaria ichnusensis</i>. This study provides foundational data for mitochondrial genome research in the <i>Ramaria</i> genus and offers important references for taxonomic and evolutionary studies of this group.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 10","pages":"1128-1133"},"PeriodicalIF":0.7,"publicationDate":"2026-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13552289/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148912502","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":"Complete mitochondrial genomic sequence of <i>Lenzites betulinus</i> (Polyporales, Basidiomycota).","authors":"Yunping Wang, Guoxiang Zhong, Qiping Zhong, Jiping Ma, Yinrun Xiao, Suzhen Wang, Xiaowen Xiong, Cheng Zhang","doi":"10.1080/23802359.2026.2722781","DOIUrl":"10.1080/23802359.2026.2722781","url":null,"abstract":"<p><p><i>Lenzites betulinus</i> is a medicinal fungus in the Polyporaceae. Here, we report the first complete mitochondrial sequencing of this species. The circular genome is 61,288 bp in length, with a GC content of 26.32% and base composition of A (36.98%), T (36.70%), G (12.96%), and C (13.36%). It contains 14 core protein-coding genes (PCGs), 26 tRNA genes, two rRNA genes, and nine intronic ORFs within the cox1 gene. A maximum-likelihood phylogenetic tree based on 14 PCGs from 17 mitochondrial genomes confirmed that <i>L. betulinus</i> clusters within the Polyporaceae, closely related to <i>Trametes</i> and <i>Fomitopsis</i>. This served as a significant reference for ongoing research into other species within the Polyporales order.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 10","pages":"1100-1105"},"PeriodicalIF":0.7,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13543834/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148897342","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 position of <i>Mallotus apelta</i>.","authors":"Mengsi Yang, Ailan Shi, Cheng Fan, Dong Zeng, Liang Liu, Chao Xiong","doi":"10.1080/23802359.2026.2722780","DOIUrl":"10.1080/23802359.2026.2722780","url":null,"abstract":"<p><p><i>Mallotus apelta</i> is a perennial species of Euphorbiaceae widely distributed in subtropical East and Southeast Asia. In this study, we sequenced and analyzed its complete chloroplast genome. The genome was 164,055 bp in length and exhibited a typical quadripartite structure, comprising an LSC region of 88,899 bp, an SSC region of 18,494 bp, and two IR regions of 28,331 bp each. A total of 124 genes were annotated. Comparative analyses revealed conserved genome organization and IR boundaries among <i>Mallotus</i> species. Phylogenetic analysis showed that <i>M. apelta</i> was closely related to <i>M. paniculatus</i>, providing valuable resources for <i>Mallotus</i> phylogenetic studies.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 10","pages":"1117-1122"},"PeriodicalIF":0.7,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13543826/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148897521","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>Heterostemma pingtaoi</i> (Apocynaceae).","authors":"Jishi Liu, Yong Yang, Kai Zhang","doi":"10.1080/23802359.2026.2722710","DOIUrl":"10.1080/23802359.2026.2722710","url":null,"abstract":"<p><p><i>Heterostemma pingtaoi</i>, a species endemic to Hainan Island, China, was discovered and formally described in the family Apocynaceae in 2010. However, genetic and evolutionary information on the genus <i>Heterostemma</i> remains poorly understood. Here, we report the complete chloroplast (cp) genome sequence of <i>H. pingtaoi</i>. The genome displays the typical quadripartite structure characteristic of dicotyledonous plant cp genomes, with a total length of 162,681 bp and a GC content of 38.25%. The cp genome encodes 131 genes, including 84 protein-coding genes, 8 rRNA genes, and 39 tRNA genes. Phylogenetic analysis based on the complete cp genome sequences confirmed that the genus <i>Heterostemma</i> forms a monophyletic group at the base of tribe Ceropegieae (Apocynaceae), with 100% bootstrap support. This study provides essential genomic resources for future taxonomic and evolutionary studies of <i>Heterostemma</i> species.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 10","pages":"1112-1116"},"PeriodicalIF":0.7,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13543828/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148897307","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>Cynanchum hemsleyanum</i> and its phylogenetic analysis.","authors":"Menglu Li, Yashi Xu, Ran Xu, Kai Bi, Chao Xiong","doi":"10.1080/23802359.2026.2722714","DOIUrl":"10.1080/23802359.2026.2722714","url":null,"abstract":"<p><p><i>C. hemsleyanum</i> chloroplast genome is 157,356 bp with a quadripartite structure, 37.99% GC, and 132 genes (87 protein-coding, 37 tRNA, 8 rRNA). Phylogenomic analysis places it as sister to <i>C. thesioides</i> with 100% bootstrap support. This resource aids molecular identification, genetic diversity, and evolutionary studies in Apocynaceae.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 10","pages":"1106-1111"},"PeriodicalIF":0.7,"publicationDate":"2026-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13539780/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148887704","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}
Youqing Cheng, Tianzi Wang, Yan Zhang, Jinglei Huang, Wenling Shi, Lihan Song, Guoqing Wan
{"title":"The complete chloroplast genome sequence of <i>Albuca bracteata</i> (Asparagaceae).","authors":"Youqing Cheng, Tianzi Wang, Yan Zhang, Jinglei Huang, Wenling Shi, Lihan Song, Guoqing Wan","doi":"10.1080/23802359.2026.2722775","DOIUrl":"https://doi.org/10.1080/23802359.2026.2722775","url":null,"abstract":"<p><p><i>Albuca bracteata</i> (syn. <i>Ornithogalum caudatum</i>) is an ornamental bulbous plant wth limited plastome data. We assembled its complete chloroplast genome (GenBank PZ425793) from high-throughput sequencing reads. The156.695-bp plastome comprised an 84,786-bp large single-copy region, an 18,555-bp small single-copy region, andtwo 26,677-bp inverted repeats, with 37.66% GC content and 533.8x mean coverage. It contained 113 unique genes79 protein-coding, 30 tRNA, and four rRNA genes). Phylogenetic analysis placed <i>A. bracteata</i> as sister to <i>Albuca kirki</i>. This plastome supports species authentication and comparative and phylogenetic studies of Ornithogaloideae.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 10","pages":"1095-1099"},"PeriodicalIF":0.7,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13629814/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149112198","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>Artocarpus gongshanensis</i> (Moraceae).","authors":"Aiping Yin, Yupin Fu, Qian Yang, Jiahua Li","doi":"10.1080/23802359.2026.2722798","DOIUrl":"10.1080/23802359.2026.2722798","url":null,"abstract":"<p><p>The chloroplast genome of <i>Artocarpus gongshanensis</i> S. K. Wu ex C. Y. Wu & S. S. Chang 1989, a threatened species endemic to China, was sequenced for the first time using Illumina NovaSeq 6000. The complete chloroplast genome assembly reveals a quadripartite structure with a total length of 160,174 bp, consisting of a large single-copy (LSC) region (89,311 bp) and a small single-copy (SSC) region (19,489 bp), separated by two inverted repeat (IR) regions (25,687 bp each). Phylogenetic reconstruction based on chloroplast genome data strongly supports that <i>A. gongshanensis</i> forms a sister clade with <i>A. hypargyreus</i>. Comparative genomic analyses demonstrate that the structural organization of <i>A. gongshanensis</i> chloroplast genome is conserved with other <i>Artocarpus</i> species. This newly characterized chloroplast genome provides critical molecular data for resolving taxonomic uncertainties within the genus and establishing evidence-based conservation measures for this threatened plant.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 9","pages":"1085-1089"},"PeriodicalIF":0.7,"publicationDate":"2026-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13528128/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148865741","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}
Shihao Jiang, Qinyi Wang, Xingyu Du, Yanru Zhang, Yi Tang, Ying Huang, Xia Pan, Yan Chen, Liang Pang, Zhixi Fu, Xianhua Gu
{"title":"Characterization of the complete chloroplast genome of <i>Thalictrum atriplex</i> (Ranunculaceae).","authors":"Shihao Jiang, Qinyi Wang, Xingyu Du, Yanru Zhang, Yi Tang, Ying Huang, Xia Pan, Yan Chen, Liang Pang, Zhixi Fu, Xianhua Gu","doi":"10.1080/23802359.2026.2722744","DOIUrl":"10.1080/23802359.2026.2722744","url":null,"abstract":"<p><p>This study determined the chloroplast genome of <i>Thalictrum atriplex</i>, which is 155,984 base pairs (bp) in length, including one large single-copy (LSC) region of 85,422 bp, one small single-copy (SSC) region of 17,594 bp, and two inverted repeat (IR) regions of equal length (26,484 bp each). The total guanine-cytosine (GC) content was 38.35%. A total of 127 genes were identified, including 83 protein-coding genes, eight ribosomal RNA (rRNA) genes, and 37 transfer RNA (tRNA) genes. Phylogenetic analysis revealed that <i>T. atriplex</i> and <i>T. finetii</i> are closely related, forming a monophyletic clade, which provides a basis for the phylogenetic study and resource utilization of <i>T. atriplex</i>.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 9","pages":"1080-1084"},"PeriodicalIF":0.7,"publicationDate":"2026-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13528116/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148865697","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}
Jinju Zhao, Wei Liang, Rong Huang, Hui Wu, Yuqing Wei, Lei Zhang
{"title":"Chloroplast genome sequence and phylogenetic analysis of the hemiparasitic plant: <i>Taxillus sutchuenensis</i> var. <i>duclouxii</i> (Loranthaceae).","authors":"Jinju Zhao, Wei Liang, Rong Huang, Hui Wu, Yuqing Wei, Lei Zhang","doi":"10.1080/23802359.2026.2722799","DOIUrl":"10.1080/23802359.2026.2722799","url":null,"abstract":"<p><p><i>Taxillus sutchuenensis</i> var. <i>duclouxii</i>, a shrub-like hemiparasitic plant with medicinal value. This study sequenced, assembled, and annotated the chloroplast genome of <i>T. sutchuenensis var. duclouxii</i> using Illumina high-throughput sequencing. The genome exhibits a typical circular quadripartite structure, with a total length of 122,537 bp and a GC content of 37.3%. It contains 104 genes, including 64 protein-coding genes, 32 tRNA genes, and 8 rRNA genes. Phylogenetic analysis shows that <i>T. sutchuenensis</i> var. <i>duclouxii</i> forms a clade with <i>T. nigrans</i> and <i>T. sutchuenensis</i>, indicating a close relationship. This study provides a basis for molecular identification and phylogenetic research in <i>Taxillus</i>.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 9","pages":"1075-1079"},"PeriodicalIF":0.7,"publicationDate":"2026-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13523116/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148851053","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}
Wanting Liu, Jiahao Chen, Jiakun Lin, Ping Wang, Xi Cheng
{"title":"The complete mitochondrial genome of <i>Acanthaspis geniculata</i> (Hsiao, 1976) (Hemiptera: Reduviidae) and its phylogenetic analyses.","authors":"Wanting Liu, Jiahao Chen, Jiakun Lin, Ping Wang, Xi Cheng","doi":"10.1080/23802359.2026.2705001","DOIUrl":"10.1080/23802359.2026.2705001","url":null,"abstract":"<p><p>The genus Acanthaspis (Hemiptera: Reduviidae) comprises predatory insects of ecological importance, yet mitochondrial genomic resources for this group remain limited. Here, we present the complete mitochondrial genome of <i>Acanthaspis geniculata</i> (Hsiao, 1976). The mitogenome is 16,226 bp in length and contains the standard set of 37 mitochondrial genes (13 protein-coding genes, 2 rRNA genes, and 22 tRNA genes), along with a control region (D-loop). The nucleotide composition is A (40.4%), T (29.6%), C (17.9%), and G (12.1%), with an overall AT content of 70.0%. Phylogenetic analyses based on partitioned mitochondrial datasets strongly support the monophyly of the subfamily Reduviinae and reveal that <i>A. geniculata</i> forms a close sister-group relationship with <i>A. ruficeps</i> and <i>A. pedestris</i>. This study provides a fundamental mitogenomic resource for future evolutionary and systematic studies of the Reduviidae.</p>","PeriodicalId":18647,"journal":{"name":"Mitochondrial DNA. Part B, Resources","volume":"11 9","pages":"1069-1074"},"PeriodicalIF":0.7,"publicationDate":"2026-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13520858/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148840622","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}