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Long non coding RNA function in epigenetic memory with a particular emphasis on genomic imprinting and X chromosome inactivation.
Gene
January 2025
Faculty of Biotechnology, Ho Chi Minh City Open University, Ho Chi Minh City 700000 Viet Nam.
Cells preserve and convey certain gene expression patterns to their progeny through the mechanism called epigenetic memory. Epigenetic memory, encoded by epigenetic markers and components, determines germline inheritance, genomic imprinting, and X chromosome inactivation. First discovered long non coding RNAs were implicated in genomic imprinting and X-inactivation and these two phenomena clearly demonstrate the role of lncRNAs in epigenetic memory regulation.
View Article and Find Full Text PDFPathogenic variants in SHROOM3 associated with hemifacial microsomia.
J Hum Genet
January 2025
Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100144, China.
Hemifacial microsomia (HFM) is a rare congenital disorder that affects facial symmetry, ear development, and other congenital anomalies. However, known causal genes account for only approximately 6% of patients, indicating the need to discover more pathogenic genes. Association tests demonstrated an association between common variants in SHROOM3 and HFM (P = 1.
View Article and Find Full Text PDFPolygenic burden of short tandem repeat expansions promotes risk for Alzheimer's disease.
Nat Commun
January 2025
Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA.
Studies of the genetics of Alzheimer's disease (AD) have largely focused on single nucleotide variants and short insertions/deletions. However, most of the disease heritability has yet to be uncovered, suggesting that there is substantial genetic risk conferred by other forms of genetic variation. There are over one million short tandem repeats (STRs) in the genome, and their link to AD risk has not been assessed.
View Article and Find Full Text PDFCharacterization of resistance to Bacillus thuringiensis toxin Cry1Ac in Crocidosema sp. (Lepidoptera: Tortricidae) from Brazil.
Pest Manag Sci
January 2025
Department of Plant Protection, Federal University of Santa Maria, Santa Maria, Brazil.
Background: Crocidosema aporema (Walsingham 1914) has historically been the main bud borer species in soybean in Brazil; however, a recent study reported that this species is not C. aporema but an undescribed species. In recent seasons, injury by Crocidosema sp.
View Article and Find Full Text PDFExploring diazotrophic diversity: unveiling Nif core distribution and evolutionary patterns in nitrogen-fixing organisms.
BMC Genomics
January 2025
Laboratory of Artificial Intelligence Applied to Bioinformatics, Professional and Technical Education Sector - SEPT, UFPR, Curitiba, Paraná, Brazil.
Background: Diazotrophs carry out biological nitrogen fixation (BNF) using the nitrogenase enzyme complex (NEC), which relies on nitrogenase encoded by nif genes. Horizontal gene transfer (HGT) and gene duplications have created significant diversity among these genes, making it challenging to identify potential diazotrophs. Previous studies have established a minimal set of Nif proteins, known as the Nif core, which includes NifH, NifD, NifK, NifE, NifN, and NifB.
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