Genetica最新文献_第2页

Inversion-driven mitochondrial gene rearrangements and their evolutionary implications in Littorinimorpha: insights from the Eunaticina papilla mitogenome. 逆转录驱动的线粒体基因重排及其在Littorinimorpha中的进化意义：来自Eunaticina papilla有丝分裂基因组的见解。

IF 2 4区生物学

Genetica Pub Date : 2026-08-22 DOI: 10.1007/s10709-026-00281-8

Xiaoxu Zheng, Yingying Ye, Jiji Li, Xinqin Jiang

{"title":"Inversion-driven mitochondrial gene rearrangements and their evolutionary implications in Littorinimorpha: insights from the Eunaticina papilla mitogenome.","authors":"Xiaoxu Zheng, Yingying Ye, Jiji Li, Xinqin Jiang","doi":"10.1007/s10709-026-00281-8","DOIUrl":"10.1007/s10709-026-00281-8","url":null,"abstract":"To improve our understanding of the taxonomy and evolutionary relationships of Naticidae within the framework of Littorinimorpha, the complete mitochondrial genome of the Eunaticina papilla, was sequenced and analyzed using next generation sequencing (GenBank accession no. OR575181.1). The mitogenome is 16,415 bp in length and is comprised by the typical set of 37 genes, including 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), and 2 ribosomal RNA genes (rRNAs), with a pronounced AT bias. Most tRNAs exhibit the typical cloverleaf secondary structure, whereas trnS2 and trnI lack the dihydrouridine (DHU) arm. Comparative analysis with ancestral gastropod gene order revealed extensive gene rearrangements in E. papilla, involving three gene clusters and encompassing 15 tRNA genes and 8 PCGs. Among these, inversion events were identified as the predominant rearrangement pattern, often accompanied by translocations. Phylogenetic analyses strongly support the monophyly of Littorinimorpha. E. papilla is placed in a well supported Naticidae clade and forms a sister group relationship with species of Polinices and Mammilla. Overall, this study uncovers inversion-driven mitochondrial gene rearrangements as a major evolutionary force in Littorinimorpha, expanding genomic resources for Naticidae and refining phylogenetic relationships within this diverse clade.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148801875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Distribution of B chromosomes in Prospero autumnale associates with higher reproductive performance in southern Iberia. 伊比利亚南部秋彼螺的B染色体分布与较高的繁殖性能有关。

IF 2 4区生物学

Genetica Pub Date : 2026-08-22 DOI: 10.1007/s10709-026-00289-0

Pedro Lanzas, Francisco Perfectti, Juan Pedro M Camacho

{"title":"Distribution of B chromosomes in Prospero autumnale associates with higher reproductive performance in southern Iberia.","authors":"Pedro Lanzas, Francisco Perfectti, Juan Pedro M Camacho","doi":"10.1007/s10709-026-00289-0","DOIUrl":"10.1007/s10709-026-00289-0","url":null,"abstract":"B chromosomes are supernumerary, dispensable chromosomes present in many eukaryotic genomes and are often considered as genomic parasites. However, their distribution and phenotypic effects in natural populations remain incompletely understood, particularly at local scales. Here, we surveyed 14 natural populations of the plant Prospero autumnale (L.) Speta (Asparagaceae) in southern Iberia and detected B chromosomes in only four of them. We quantified vegetative and reproductive traits and found that, at the population level, B-carrying populations exhibited significantly higher reproductive output, including increased seed number and fertility, than populations lacking Bs. However, we did not find significant differences between individuals with and without B chromosomes in populations that carry Bs. In contrast, no consistent differences emerged for vegetative traits. These findings suggest that B chromosomes tend to persist in populations with greater reproductive performance, consistent with their maintenance in benign environments where hosts can better tolerate their parasitic effects. Overall, our study sheds light on the ecological factors influencing B chromosome distribution and highlights the association between genomic parasites and host reproductive success.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148801887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative chloroplast genomics and phylogenomic insights into the genus Zehneria (Cucurbitaceae). 瓜属的比较叶绿体基因组学和系统基因组学研究。

IF 2 4区生物学

Genetica Pub Date : 2026-08-18 DOI: 10.1007/s10709-026-00276-5

Michael Gichuru Karendi, Caroline Njambi Ndungu, Elijah Mkala Mbadi, Vincent Okelo Wanga, Harriet Melany Nyamvula, Magrate M Kaigongi, Guang-Wan Hu

{"title":"Comparative chloroplast genomics and phylogenomic insights into the genus Zehneria (Cucurbitaceae).","authors":"Michael Gichuru Karendi, Caroline Njambi Ndungu, Elijah Mkala Mbadi, Vincent Okelo Wanga, Harriet Melany Nyamvula, Magrate M Kaigongi, Guang-Wan Hu","doi":"10.1007/s10709-026-00276-5","DOIUrl":"10.1007/s10709-026-00276-5","url":null,"abstract":"The genus Zehneria (Cucurbitaceae) presents significant taxonomic challenges due to morphological similarities among species and a lack of resolution in molecular studies. In this study, we sequenced and assembled the chloroplast genomes of seven African Zehneria species collected from Kenya, complementing a previously published accession (Zehneria sp. MZ427944.1), to establish a comprehensive plastome-based framework for the genus. The plastomes ranged from 157,150 to 157,365 bp and exhibited a conserved quadripartite structure, with 130-132 annotated genes, including 86-87 protein-coding genes, 36-37 tRNAs, and 8 rRNAs. Structural variation, particularly in non-coding regions and inverted repeat boundaries, was observed, with eight hypervariable loci providing potential targets for molecular marker development. Simple sequence repeat (SSR) analysis revealed a predominance of A/T mononucleotides across species. Codon usage analysis revealed a strong AT-bias across all species, with codons ending in A or U accounting for 72.2% of synonymous codon preferences. Selective pressure analysis identified eight protein-coding genes with Ka/Ks ratios exceeding 1.0, including psaJ and rps8, proposed as candidate molecular barcodes pending further validation. Phylogenomic analysis of 79 protein-coding genes strongly supported the monophyly of Zehneria (ML bootstrap = 96-100%; PP = 1.0), with one node showing slightly reduced support (BS = 96%), and enhanced resolution of interspecific relationships compared to prior studies using fewer loci. This work offers novel insights into genomic diversity and evolutionary history of sampled Zehneria species, providing a critical molecular resource for future taxonomic and phylogenetic studies within Cucurbitaceae. Broader taxon sampling, particularly from Asian lineages, will be necessary to fully resolve interspecific relationships across the genus.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148801870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparative analysis of the mitochondrial genome of Androctonus crassicauda Olivier, 1807 (Scorpiones, Buthidae) with phylogenetic implication. 1807年（蝎科，蝎科）粗尾雄蚊线粒体基因组的比较分析及其系统发育意义。

IF 2 4区生物学

Genetica Pub Date : 2026-08-12 DOI: 10.1007/s10709-026-00287-2

Yuting Ding, Gaoji Zhang, Hongyi Liu

{"title":"Comparative analysis of the mitochondrial genome of Androctonus crassicauda Olivier, 1807 (Scorpiones, Buthidae) with phylogenetic implication.","authors":"Yuting Ding, Gaoji Zhang, Hongyi Liu","doi":"10.1007/s10709-026-00287-2","DOIUrl":"10.1007/s10709-026-00287-2","url":null,"abstract":"The order Scorpiones represents a lineage of arachnids that has exhibited considerable evolutionary success, encompassing over 1700 recognized species. However, the mitogenomes within this group have received limited attention. To increase the taxonomic sampling of species available for studies based on mitogenomes, we reconstructed the complete mitogenome of Androctonus crassicauda Olivier, 1807 (Scorpiones, Buthidae). The specimen was obtained from insect markets in Nanjing, Jiangsu, China. The mitogenome is a circular molecule with a length of 14,834 bp. The proportion of adenine and thymine (A + T) was 67.3%. The Ka/Ks ratios for all protein-coding genes (PCGs) were determined to be less than 1, implying that purifying selection likely plays a dominant role in shaping the evolutionary patterns of these genes. The frequency of codons ending in A/U was significantly higher than that of codons ending in C/G, reflecting the strong AT bias of the third codon position. Phylogenetic analyses based on PCGs corroborated previously recognized taxonomic relationships in family Buthidae. These findings enhance our understanding of the evolution of Buthidae mitogenomes.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148724464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Repeatome divergence and recent LTR retrotransposon dynamics in phylogenetically diverse medicinal plant genomes. 不同系统发育的药用植物基因组的重复体分化和LTR反转录座子动态。

IF 2 4区生物学

Genetica Pub Date : 2026-07-30 DOI: 10.1007/s10709-026-00285-4

Di Liu, Shunyi He, Yun Zhang

{"title":"Repeatome divergence and recent LTR retrotransposon dynamics in phylogenetically diverse medicinal plant genomes.","authors":"Di Liu, Shunyi He, Yun Zhang","doi":"10.1007/s10709-026-00285-4","DOIUrl":"10.1007/s10709-026-00285-4","url":null,"abstract":"Transposable elements drive plant genome size variation and structural diversification, but their recent dynamics remain poorly characterized in medicinal plants. We analyzed 95 medicinal plant genomes to evaluate repeatome divergence, recent transposable element composition and long terminal repeat retrotransposon dynamics. Genome-wide transposable element proportion varied substantially among species and was strongly positively associated with genome size, indicating that repeat accumulation is a major axis of genome-size divergence. Recent transposable element fractions, operationally defined by sequence identity ≥ 85%, were dominated by long terminal repeat retrotransposons in most genomes. Higher recent transposable element fractions were negatively associated with Shannon diversity and Pielou's evenness, suggesting compositional concentration rather than balanced expansion across major classes. Phylogenetically informed Bayesian models revealed class-specific differences in the magnitude and uncertainty of estimated recent transposable element proportions across taxonomic orders. Insertion-time analyses showed heterogeneous recent accumulation patterns, whereas phylogenetic reconstruction of intact long terminal repeat retrotransposons with paired long terminal repeat identity ≥ 95% revealed contrasting lineage composition between Copia and Gypsy. Copia elements were concentrated mainly in two dominant lineages, whereas Gypsy elements were distributed across a broader set of lineages. An exploratory 2-kb gene-centered analysis of predicted biosynthetic gene clusters showed that 62.5% of 31,162 unique genes had at least one proximal long terminal repeat retrotransposon annotation, usually together with other transposable element classes. These results indicate that medicinal plant repeatome evolution is associated with genome-wide transposable element burden, recent compositional concentration and lineage-level long terminal repeat retrotransposon dynamics.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148622508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Identification and characterization of a testis-specific glycogen phosphorylase in Kumamoto oyster Crassostrea sikamea. 熊本牡蛎睾丸特异性糖原磷酸化酶的鉴定与表征。

IF 2 4区生物学

Genetica Pub Date : 2026-07-30 DOI: 10.1007/s10709-026-00286-3

Yun-Wang Shen, Zhuo-Wen Geng, Jia-Lu Yu

{"title":"Identification and characterization of a testis-specific glycogen phosphorylase in Kumamoto oyster Crassostrea sikamea.","authors":"Yun-Wang Shen, Zhuo-Wen Geng, Jia-Lu Yu","doi":"10.1007/s10709-026-00286-3","DOIUrl":"10.1007/s10709-026-00286-3","url":null,"abstract":"Glycogen serves as the principal energy source for gonadal development in marine bivalves, such as oysters. Glycogen phosphorylase is the rate-limiting enzyme of glycogenolysis by catalyzing the first step of glycogen breakdown. In this study, two different glycogen phosphorylase genes were identified in the Kumamoto oyster (Crassostrea sikamea) genome, including the previously reported GPH and an unknown PYG. C. sikamea GPH and PYG share high mRNA and protein sequence identities, but they have distinct gene structures and show significant sequence variations in their adenine loops. Interestingly, contrary to the ubiquitous expression of GPH in various adult tissues and development stages, PYG is specifically expressed in oyster male gonads. Transcriptome and quantitative real-time PCR (qRT-PCR) analyses reveal differential expression levels of other glycogen metabolism enzymes between female and male gonads, including glycogen phosphorylase (GPH), glycogen debranching enzyme (AGL), glycogen synthase (GYS), and glycogen branching enzyme (GBE). Yeast one-hybrid assays suggest the sex-determining gene DMRT1 could directly bind to oyster PYG promoters. Further investigations demonstrate GPH and PYG are two conserved glycogen phosphorylases in bivalve genomes. The bivalve PYG seems to originate from the retroposition of GPH, making it the first retrogene identified in molluscs, to the best of our knowledge. In conclusion, these results characterized the second and testis-specific glycogen phosphorylase in the oyster.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148632800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing the efficiency of high-resolution melting, conventional PCR, and capillary electrophoresis in SSR marker-based genotyping of carob populations. 高分辨率熔解、传统PCR和毛细管电泳在角豆群体SSR标记基因分型中的效率评估。

IF 2 4区生物学

Genetica Pub Date : 2026-07-30 DOI: 10.1007/s10709-026-00284-5

Hasna Zaggoumi, Souhir Kabtni, Hajer Ben Ammar, Abdelmajid Haddioui, Said Bouda, Sonia Marghali

{"title":"Assessing the efficiency of high-resolution melting, conventional PCR, and capillary electrophoresis in SSR marker-based genotyping of carob populations.","authors":"Hasna Zaggoumi, Souhir Kabtni, Hajer Ben Ammar, Abdelmajid Haddioui, Said Bouda, Sonia Marghali","doi":"10.1007/s10709-026-00284-5","DOIUrl":"10.1007/s10709-026-00284-5","url":null,"abstract":"Ceratonia siliqua is a nutritionally and economically important Mediterranean tree species whose natural stands in Morocco are increasingly threatened by habitat degradation and genetic erosion. However, the spatial organisation of genetic diversity across its natural range in Morocco remains insufficiently resolved. To support conservation and germplasm management initiatives, interpopulation genetic differentiation among Moroccan carobs populations was assessed using a pooled DNA sample and SSR markers analysed through three genotyping workflows: high-resolution melting (HRM), conventional PCR, and capillary electrophoresis. Genetic relationships among populations were evaluated using Neighbour-Joining (NJ) analysis, principal component analysis (PCA), and K-means clustering. Among the evaluated approaches, HRM provided the highest discriminatory resolution and generated the most informative polymorphism profiles across loci. All analytical frameworks consistently revealed substantial interpopulation differentiation and broad geographic grouping patterns. Southern populations formed genetically cohesive groups, whereas northern and central populations displayed more complex patterns of genetic similarity. K-means clustering supported the presence of four major population groups, while PCA identified a subset of highly discriminative SSR loci contributing to regional differentiation. Overall, the results reveal a genetically diverse and spatially differentiated Moroccan carob germplasm and demonstrate that SSR-HRM is a robust and cost-effective approach for population-level genetic screening. These findings provide useful genetic resources for future conservation, germplasm management, and breeding programmes in Moroccan carob.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148622474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Heterogeneous associations between sex-ratio distorters and mitochondrial haplotypes in U.S. populations of Armadillidium vulgare. 美国普通犰狳种群中性别比例扭曲和线粒体单倍型之间的异质关联。

IF 2 4区生物学

Genetica Pub Date : 2026-07-26 DOI: 10.1007/s10709-026-00283-6

Arushi Kansal, Robert Kuhn

{"title":"Heterogeneous associations between sex-ratio distorters and mitochondrial haplotypes in U.S. populations of Armadillidium vulgare.","authors":"Arushi Kansal, Robert Kuhn","doi":"10.1007/s10709-026-00283-6","DOIUrl":"10.1007/s10709-026-00283-6","url":null,"abstract":"Sex-ratio distorters (SRDs) are heritable elements that bias offspring sex-ratios to enhance their transmission. In the terrestrial isopod Armadillidium vulgare, feminization of genetic males can occur through vertical transmission of the sex-ratio distorter known as the f-element, as well as through infection by Wolbachia, a maternally inherited bacterial endosymbiont that can alter host reproduction. We investigated whether associations between sex-ratio distorters and mitochondrial haplotypes in U.S. populations differ from those reported in European populations. To address this, we sampled A. vulgare from 12 U.S. states and screened individuals for Wolbachia infection, the presence of the f-element, and mitochondrial COI haplotypes. We found that Wolbachia exhibits a heterogeneous distribution across populations and haplotypes, in contrast to the stronger associations observed in European populations. The f-element occurred at lower overall frequencies but showed a strong association with mitochondrial haplotype VI. These results indicate that patterns associated with SRDs differ from those observed in Europe and are consistent with multiple introductions and population mixing shaping these distributions in U.S. populations.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148594819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Systems-level discovery of housekeeping and tissue-specific genes reveals core cellular and specialized transcriptional networks in makhana (Euryale ferox Salisb.). 系统水平的家政和组织特异性基因的发现揭示了makhana的核心细胞和专门的转录网络（Euryale ferox Salisb.）。

IF 2 4区生物学

Genetica Pub Date : 2026-07-23 DOI: 10.1007/s10709-026-00282-7

Pankaj Kumar, Rima Kumari, Rohan Raj Samal

{"title":"Systems-level discovery of housekeeping and tissue-specific genes reveals core cellular and specialized transcriptional networks in makhana (Euryale ferox Salisb.).","authors":"Pankaj Kumar, Rima Kumari, Rohan Raj Samal","doi":"10.1007/s10709-026-00282-7","DOIUrl":"10.1007/s10709-026-00282-7","url":null,"abstract":"Housekeeping genes (HKGs) and tissue-specific genes (TSGs) play essential roles in constitutive cellular maintenance and tissue specialization. However, their transcriptome-wide characterization remains largely unexplored in makhana (Euryale ferox Salisb.), an economically and nutritionally important aquatic crop. In this study, a comprehensive transcriptomic analysis identified 652 HKGs and 5,378 TSGs across diverse tissues and developmental stages of Euryale ferox Salisb. Functional enrichment analyses revealed that HKGs were predominantly associated with conserved cellular processes, including ATP metabolism, ribosome function, oxidative phosphorylation, RNA processing, and proteostasis, whereas TSGs were enriched in developmental regulation, signaling pathways, secondary metabolism, and stress-responsive functions. Protein-protein interaction network analysis further showed that HKG-associated proteins occupied highly interconnected central positions, while TSG-associated proteins formed more specialized peripheral networks. Comparative analyses indicated that many traditional internal reference genes lacked stable constitutive expression across the analyzed biological conditions. To address this limitation, an RSI-based prioritization framework combined with biological functional curation enabled the computational identification of robust candidate reference genes for transcript normalization. Taken together, this study provides the first comprehensive systems-level characterization of HKGs and TSGs in Euryale ferox Salisb. and establishes a valuable computational resource for transcript normalization, functional genomics, and future experimental validation.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148563579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Lycianthes plastome and its comparison with Capsicum (Capsiceae, Solanaceae). 枸杞质体及其与辣椒（辣椒科，茄科）的比较。

IF 2 4区生物学

Genetica Pub Date : 2026-07-23 DOI: 10.1007/s10709-026-00280-9

Marco Antonio Anguiano Constante, Aarón Rodríguez

{"title":"The Lycianthes plastome and its comparison with Capsicum (Capsiceae, Solanaceae).","authors":"Marco Antonio Anguiano Constante, Aarón Rodríguez","doi":"10.1007/s10709-026-00280-9","DOIUrl":"10.1007/s10709-026-00280-9","url":null,"abstract":"Solanaceae is an important crop plant family and its plastomes have been extensively studied to understand evolution and breeding. Capsicum (chili peppers) includes five domesticated species and worldwide are important economic resources. Lycianthes is the third most species rich genus within the family. Capsicum and Lycianthes are closely related genera and form the Capsiceae. While plastomes are available in public databases for some species of Capsicum, no plastomes for Lycianthes have been published. We anticipate that the plastomes of Lycianthes and Capsicum will be similar. In addition, point sequence variation will generate robust phylogenetic hypotheses. We newly sequenced, assembled and annotated the plastomes of six species of Lycianthes to investigate their genomic characteristics. Also, we carried out comparative and phylogenetic analysis within Capsiceae. Lycianthes presented the typical circular quadripartite structure and organization. Plastomes range from 156,108 to 156,721 bp. All contained 133 genes, divided into 84 Coding DNA Sequence, four pseudogenes, 37 tRNAs and eight rRNAs. Plastomes of Capsiceae were highly conserved, were similar in size and showed the same structure and organization. Comparative analyses revealed that 17 genes made the Capsicum plastome longer than the plastome of Lycianthes. However, the variable regions did not match with the length of the genes. Based on plastome sequences, phylogeny recovered the monophyly of Capsiceae. Also, Capsicum and Lycianthes formed monophyletic genera and had a sister group relationship with each other. The plastome of Lycianthes and Capsicum were similar. Phylogenomics supported the monophyly of both genera and a sister group relationship.","PeriodicalId":55121,"journal":{"name":"Genetica","volume":"154 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148563651","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0