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The Construction of a Standard Karyotype of Intermediate Wheatgrass and Its Potential Progenitor Species.
Plants (Basel)
January 2025
State Key Laboratory of Wheat Improvement, Shandong Agricultural University, Tai'an 271018, China.
The genome composition of intermediate wheatgrass (IWG; (Host) Barkworth and D.R. Dewey; 2n = 6x = 42) is complex and remains to be a subject of ongoing investigation.
View Article and Find Full Text PDFMice with 16p11.2 Deletion and Duplication Show Alterations in Biological Processes Associated with White Matter.
Int J Mol Sci
January 2025
Neuroscience and Mental Health Innovation Institute, Cardiff University, Hadyn Ellis Building, Cardiff CF24 4HQ, UK.
Deletion and duplication in the human 16p11.2 chromosomal region are closely linked to neurodevelopmental disorders, specifically autism spectrum disorder. Data from neuroimaging studies suggest white matter microstructure aberrations across these conditions.
View Article and Find Full Text PDFRelative Distribution of DnaA and DNA in Cells as a Factor of Their Phenotypic Variability.
Int J Mol Sci
January 2025
Department of Life Sciences, Ben Gurion University of the Negev, Beer-Sheva 8410501, Israel.
Phenotypic variability in isogenic bacterial populations is a remarkable feature that helps them cope with external stresses, yet it is incompletely understood. This variability can stem from gene expression noise and/or the unequal partitioning of low-copy-number freely diffusing proteins during cell division. Some high-copy-number components are transiently associated with almost immobile large assemblies (hyperstructures) and may be unequally distributed, contributing to bacterial phenotypic variability.
View Article and Find Full Text PDFCytogenomics of (Hymenoptera: Apidae) and the Sharing of a Satellite DNA Family in Several Neotropical Meliponini Genera.
Genes (Basel)
January 2025
Laboratório de Citogenética de Insetos, Departamento de Biologia Geral, Universidade Federal de Viçosa, Campus Universitário, Viçosa 36570-900, Minas Gerais, Brazil.
Background/objectives: A striking feature of the karyotypes of stingless bees is the large amount of heterochromatin present in most species. Cytogenomic studies performed in some Meliponini species have suggested that evolutionary events related to the diversification and amplification of satellite DNA families in the heterochromatin may reflect the structuring of phylogenetic clades in this tribe. In this study, we performed a genomic analysis in to characterize different satDNA families in its genome.
View Article and Find Full Text PDFChromosomal rDNA Distribution Patterns in Clonal Triploid Hybrids (Teleostei, Cobitidae): Insights into Parental Genomic Contributions.
Genes (Basel)
January 2025
Department of Zoology, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland.
Interspecific hybridization between relative species (with a diploid genome designated as TT), (EE) and (NN) and the successive polyploidization with transitions from sexuality to asexuality experienced by triploid hybrids likely influence their chromosomal rearrangements, including rearrangements of ribosomal DNA (rDNA) distribution patterns. Previously, we documented distinct karyotypic differences: exhibited bi-armed chromosomes while showed uni-armed chromosomes with rDNA-positive hybridization signals, respectively. In this study, fluorescence in situ hybridization (FISH) with rDNA and rDNA probes was used to analyze and compare chromosomal distribution patterns of rDNAs in clonally reproduced triploid hybrids of different genomic constitutions ETT, ETN, EEN and EET (referred to using acronyms denoting the haploid genomes of their parent species), and their parental species.
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