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Phylotranscriptomics resolved phylogenetic relationships and divergence time between 20 golden camellia species.
Sci Rep
January 2025
Guangxi University of Chinese Medicine School of Yao Medicine, Nanning, 530200, Guangxi, China.
Golden camellia species are endangered species with great ecological significance and economic value in the section Chrysantha of the genus Camellia of the family Theaceae. Literature shows that more than 50 species of golden camellia have been found all over the world, but the exact number remains undetermined due to the complex phylogenetic background, the non-uniform classification criteria, and the presence of various synonyms and homonyms; and phylogenetic relationships among golden camellia species at the gene level are yet to be disclosed. Therefore, it is necessary to investigate the divergence time and phylogenetic relationships between all golden camellia species at the gene level to improve their classification system and achieve accurate identification of them.
View Article and Find Full Text PDFWhole genome sequences of nine Taylorella equigenitalis strains isolated in the Czech Republic between 1982-2021: Molecular dating suggests a common ancestor at the time of Roman Empire.
PLoS One
January 2025
Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
Taylorella equigenitalis is the causative agent of sexually transmitted contagious equine metritis. Infections manifest as cervicitis, vaginitis and endometritis and cause temporary infertility and miscarriages of mares. While previous studies have analyzed this organism for various parameters, the evolutionary dynamics of this pathogen, including the emergence of antibiotic resistance, remains unresolved.
View Article and Find Full Text PDFClonal phylogenies inferred from bulk, single cell, and spatial transcriptomic analysis of epithelial cancers.
PLoS One
January 2025
Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom.
Epithelial cancers are typically heterogeneous with primary prostate cancer being a typical example of histological and genomic variation. Prior studies of primary prostate cancer tumour genetics revealed extensive inter and intra-patient genomic tumour heterogeneity. Recent advances in machine learning have enabled the inference of ground-truth genomic single-nucleotide and copy number variant status from transcript data.
View Article and Find Full Text PDFGenetic diversity and population structure studies of West African sweetpotato [Ipomoea batatas (L.) Lam] collection using DArTseq.
PLoS One
January 2025
Department of Crop Production and Landscape Management, Ebonyi State University, Abakaliki, Nigeria.
Article Synopsis
- Sweetpotato, a major crop in sub-Saharan Africa, has diverse accessions in Niger, Nigeria, and Benin that have yet to be fully studied for their genetic potential.
- The study utilized Diversity Arrays Technology (DArTseq) to genotype 271 sweetpotato accessions, revealing high genetic diversity with varying degrees across different chromosomes.
- Results indicated four distinct populations based on genetic structure, showcasing a mix of accessions from various countries and highlighting unique traits within Nigerian and Beninese landraces.
Transformations to Simplify Phylogenetic Networks.
Bull Math Biol
January 2025
Biomathematics Research Centre, University of Canterbury, Christchurch, New Zealand.
The evolutionary relationships between species are typically represented in the biological literature by rooted phylogenetic trees. However, a tree fails to capture ancestral reticulate processes, such as the formation of hybrid species or lateral gene transfer events between lineages, and so the history of life is more accurately described by a rooted phylogenetic network. Nevertheless, phylogenetic networks may be complex and difficult to interpret, so biologists sometimes prefer a tree that summarises the central tree-like trend of evolution.
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