By tracking pathogen outbreaks using whole genome sequencing, medical microbiology is currently being transformed into genomic epidemiology. This change in technology is leading to the rapid accumulation of large samples of closely related genome sequences. Summarizing such samples into phylogenies can be computationally challenging. Our program andi quickly computes accurate pairwise distances between up to thousands of bacterial genomes. Working under the UNIX command line, we show how andi can be used to transform genomes to phylogenies with support values ready to be printed or integrated into documents.
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http://dx.doi.org/10.1007/978-1-0716-1099-2_6 | DOI Listing |
Biology (Basel)
January 2025
Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, Germany.
To date, standard rRNA marker genes have had limited success in resolving the phylogeny of the phylum Chytridiomycota. Whereas the conserved and easily alignable ribosomal small subunit 18S rRNA gene had problems resolving nodes relating orders, the internal transcribed spacer 2 (ITS2) has been claimed to not be alignable for this group of organisms. Although the ITS2 is a fast-evolving locus, its secondary structure is well conserved.
View Article and Find Full Text PDFGenome Biol
January 2025
Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge, CB2 1GA, UK.
Background: East African cichlid fishes have diversified in an explosive fashion, but the (epi)genetic basis of the phenotypic diversity of these fishes remains largely unknown. Although transposable elements (TEs) have been associated with phenotypic variation in cichlids, little is known about their transcriptional activity and epigenetic silencing. We set out to bridge this gap and to understand the interactions between TEs and their cichlid hosts.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Biological, Geological, and Environmental Sciences, University of Bologna, Bologna, Italy.
The identification and typing of bacteria are very expensive and time-consuming due to their growth times, and the expertise needed. MALDI-TOF MS represents a fast technique, reproducible with molecular approaches. This technique is still poorly applied in Legionella surveillance with estimation occurring only at the genus level.
View Article and Find Full Text PDFMycopathologia
January 2025
Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research, Chandigarh, 160012, India.
Trichophyton indotineae, first identified in India, has increasingly been reported in Asia, the Middle East, Europe, and recently in the USA. The global spread of terbinafine-resistant T. indotineae underscores the urgency of the issue.
View Article and Find Full Text PDFMicrob Ecol
January 2025
Department of Biology, University of Rome Tor Vergata, 00133, Rome, Italy.
Posidonia oceanica retains a large amount of carbon within its belowground recalcitrant structure, the 'matte,' which is characterized by low oxygen availability and biodegradation. Fungi may play a pivotal role in carbon sequestration within the matte, even if little/no information is available. To fill this gap, we profiled fungal communities from the upper and lower layers of alive and dead matte, by using an ITS2-5.
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