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Pogo transposons provide tools to restrict cancer growth.
Mol Oncol
January 2025
Institut Curie, Inserm U932 - Immunity and Cancer, Paris, France.
Transposable elements provide material for novel gene formation. In particular, DNA transposons have contributed several essential genes involved in various physiological or pathological conditions. Here, we discuss recent findings by Tu et al.
View Article and Find Full Text PDFMulti-tissue characterization of the constitutive heterochromatin proteome in Drosophila identifies a link between satellite DNA organization and transposon repression.
PLoS Biol
January 2025
Institute of Biochemistry, ETH Zürich, Zürich, Switzerland.
Noncoding satellite DNA repeats are abundant at the pericentromeric heterochromatin of eukaryotic chromosomes. During interphase, sequence-specific DNA-binding proteins cluster these repeats from multiple chromosomes into nuclear foci known as chromocenters. Despite the pivotal role of chromocenters in cellular processes like genome encapsulation and gene repression, the associated proteins remain incompletely characterized.
View Article and Find Full Text PDFEvolutionary lineage-specific genomic imprinting at the ZNF791 locus.
PLoS Genet
January 2025
Department of Animal Sciences, The Ohio State University, Columbus, Ohio, United States of America.
Genomic imprinting is an epigenetic process that results in parent-of-origin effects on mammalian development and growth. Research on genomic imprinting in domesticated animals has lagged due to a primary focus on orthologs of mouse and human imprinted genes. This emphasis has limited the discovery of imprinted genes specific to livestock.
View Article and Find Full Text PDFMaintenance of long-term transposable element activity through regulation by nonautonomous elements.
Genetics
January 2025
Institute for Evolution and Biodiversity, University of Münster, Münster 48149, Germany.
Transposable elements are DNA sequences that can move and replicate within genomes. Broadly, there are 2 types: autonomous elements, which encode the necessary enzymes for transposition, and nonautonomous elements, which rely on the enzymes produced by autonomous elements for their transposition. Nonautonomous elements have been proposed to regulate the numbers of transposable elements, which is a possible explanation for the persistence of transposition activity over long evolutionary times.
View Article and Find Full Text PDFEmergence of fungal hybrids - Potential threat to humans.
Microb Pathog
January 2025
Cell Biology and Molecular Genetics, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, 575018, India. Electronic address:
Fungal hybrids arise through the interbreeding of distinct species. This hybridization process fosters increased genetic diversity and the emergence of new traits. Mechanisms driving hybridization include the loss of heterozygosity, copy number variations, and horizontal gene transfer.
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