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Unusual Genomic and Biochemical Features of sp. nov-A Novel Bacterial Species Isolated from Anthill Soil.
Int J Mol Sci
December 2024
Faculty of Soil Science, M.V. Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia.
The black garden ant () is a widely distributed species across Europe, North America, and North Africa, playing a pivotal role in ecological processes within its diverse habitats. However, the microbiome associated with remains poorly investigated. In the present study, we isolated a novel species, , from the soil of the anthill.
View Article and Find Full Text PDFRibosome customization and functional diversification among P-stalk proteins regulate late poxvirus protein synthesis.
Cell Rep
January 2025
Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. Electronic address:
Growing evidence suggests that ribosomes selectively regulate translation of specific mRNA subsets. Here, quantitative proteomics and cryoelectron microscopy demonstrate that poxvirus infection does not alter ribosomal subunit protein (RP) composition but skews 40S rotation states and displaces the 40S head domain. Genetic knockout screens employing metabolic assays and a dual-reporter virus further identified two RPs that selectively regulate non-canonical translation of late poxvirus mRNAs, which contain unusual 5' poly(A) leaders: receptor of activated C kinase 1 (RACK1) and RPLP2.
View Article and Find Full Text PDFIschemic cholangiopathy secondary to endoscopic treatment of bleeding duodenal ulcer.
Rev Esp Enferm Dig
January 2025
Cirugía General y del Aparato Digestivo, Hospital Universitario 12 de Octubre.
Case report of a patient with a duodenal ulcer, initially treated with sclerosing agents, as is common practice for most bleeding ulcers. However, the evolution following this treatment is unusual. The patient developed secondary ischemic cholangitis, leading to extensive aerobilia and secondary portal pneumatosis, accompanied by inflammatory changes in the head of the pancreas.
View Article and Find Full Text PDFTandem kinase proteins across the plant kingdom.
Nat Genet
January 2025
Institute of Evolution, University of Haifa, Haifa, Israel.
Plant pathogens pose a continuous threat to global food production. Recent discoveries in plant immunity research unveiled a unique protein family characterized by an unusual resistance protein structure that combines two kinase domains. This study demonstrates the widespread occurrence of tandem kinase proteins (TKPs) across the plant kingdom.
View Article and Find Full Text PDFNew Silurian aculiferan fossils reveal complex early history of Mollusca.
Nature
January 2025
Earth Collections, University Museum of Natural History, Oxford, UK.
Mollusca is the second most species-rich animal phylum, but the pathways of early molluscan evolution have long been controversial. Modern faunas retain only a fraction of the past forms in this hyperdiverse and long-lived group. Recent analyses have consistently recovered a fundamental split into two sister clades, Conchifera (including gastropods, bivalves and cephalopods) and Aculifera, comprising Polyplacophora ('chitons') and Aplacophora.
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