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Unlabelled: Evolution of cooperation is a major, extensively studied problem in evolutionary biology. Cooperation is beneficial for a population as a whole but costly for the bearers of social traits such that cheaters enjoy a selective advantage over cooperators. Here we focus on coevolution of cooperators and cheaters in a multi-level selection framework, by modeling competition among groups composed of cooperators and cheaters.
View Article and Find Full Text PDFA Highly Divergent Mitochondrial Genome in Extant Cape Buffalo From Addo Elephant National Park, South Africa.
Ecol Evol
January 2025
Molecular Ecology and Evolution Programme, Department of Biochemistry, Genetics and Microbiology University of Pretoria Pretoria South Africa.
The reduced cost of next-generation sequencing (NGS) has allowed researchers to generate nuclear and mitochondrial genome data to gain deeper insights into the phylogeography, evolutionary history and biology of non-model species. While the Cape buffalo () has been well-studied across its range with traditional genetic markers over the last 25 years, researchers are building on this knowledge by generating whole genome, population-level data sets to improve understanding of the genetic composition and evolutionary history of the species. Using publicly available NGS data, we assembled 40 Cape buffalo mitochondrial genomes (mitogenomes) from four protected areas in South Africa, expanding the geographical range and almost doubling the number of mitogenomes available for this species.
View Article and Find Full Text PDFNiche Partitioning and Intraspecific Variation of Thaumarchaeota in Deep Ocean Sediments.
Environ Microbiol
January 2025
Frontiers Science Center for Deep Ocean Multispheres and Earth System, and College of Marine Life Sciences, Ocean University of China, Qingdao, China.
Deep-sea sediments contain a large number of Thaumarchaeota that are phylogenetically distinct from their pelagic counterparts. However, their ecology and evolutionary adaptations are not well understood. Metagenomic analyses were conducted on samples from various depths of a 750-cm sediment core collected from the Mariana Trench Challenger Deep.
View Article and Find Full Text PDFEvolution of frontline treatment for multiple myeloma: clinical investigation of quadruplets containing carfilzomib and anti-CD38 monoclonal antibodies.
Ann Hematol
January 2025
Department of Oncology, Hematology and BMT, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Although survival rates for patients with newly diagnosed multiple myeloma (NDMM) have improved over recent decades, multiple myeloma (MM) remains without a cure for most. There is increasing consensus that achievement of deep remissions, especially minimal residual disease negativity (MRD -), in frontline treatment is crucial and translates into improved survival. The standard of care (SOC) for NDMM consists at minimum of a triplet regimen of therapies, with or without an autologous stem cell transplant, or a doublet regimen for certain ineligible, particularly frail patients who may have specific limitations.
View Article and Find Full Text PDFPhylogeny and Polyploidy Evolution of the Suckers (Teleostei: Catostomidae).
Biology (Basel)
December 2024
Florida Museum of Natural History, University of Florida, 1659 Museum Rd., Gainesville, FL 32611, USA.
Fishes in the cypriniform family Catostomidae (suckers) are evolutionary tetraploids. The use of nuclear markers in the phylogenetic study of this important group has been greatly hindered by the challenge of identifying paralogous copies of genes. In the present study, we used two different methods to separate the gene copies of five single-copy nuclear genes (i.
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