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Chromosome distribution of four LTR retrotransposons and 18 S rDNA in coffea eugenioides.
Sci Rep
January 2025
Laboratório de Citogenética e Citometria, Departamento de Biologia Geral, Universidade Federal de Viçosa. ZIP, 36.570-900, Viçosa - MG, Brazil.
Repetitive sequences are recognized for their roles in plant genome organization and function. Mobile elements are notable repeatome sequences due to their intrinsic mutagenic potential, which is related to the origin of adaptive novelties. Understanding the genomic organization and dynamics of the repeatome is fundamental to enlighten their role in plant genome evolution.
View Article and Find Full Text PDF"Am I the only one who will Spread the Virus?": Impact of Public Stigma Towards the East Asian Population Living in Spain Related to COVID-19.
J Racial Ethn Health Disparities
January 2025
Horizon Digital Economy Research, University of Nottingham, School of Medicine, Nottingham, UK.
Previous studies have suggested that COVID-19 led to an increase in stigma towards the Asian population with a negative impact on their health. This study aims to explore this phenomenon and its impact on health through the qualitative analysis of semi-structured interviews conducted with 26 people of Asian origin living in Spain from September 2020 to September 2021. Among the results, it was found that, prior to the pandemic, discrimination was mostly verbal.
View Article and Find Full Text PDFCompetitive behaviors in Serratia marcescens are coordinately regulated by a lifestyle switch frequently inactivated in the clinical environment.
Cell Host Microbe
January 2025
School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK. Electronic address:
Opportunistic bacterial pathogens must compete with other bacteria and switch between host- and environment-adapted states. Type VI secretion systems (T6SSs) occur widely in gram-negative bacteria and can efficiently kill neighboring competitors. We determined the distribution of T6SSs across the genus Serratia and observed that a highly conserved antibacterial T6SS is differentially active between closely related clinical isolates of Serratia marcescens.
View Article and Find Full Text PDFNatural variations in and its neighboring confer yellow seed with elevated oil content in .
Proc Natl Acad Sci U S A
February 2025
College of Agronomy, Hunan Agricultural University, Changsha 410128, China.
Seed color is a critical quality trait in numerous plant species. In oilseed crops, including rapeseed and mustard, yellow seeds are distinguished by their significantly higher oil content and faster germination rates compared to black or brown counterparts. Despite the agronomic significance of the yellow seeds being a prime breeding target, the mechanisms underlying elevated oil content remain obscure.
View Article and Find Full Text PDFAncient genomics and the origin, dispersal, and development of domestic sheep.
Science
January 2025
Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland.
The origins and prehistory of domestic sheep () are incompletely understood; to address this, we generated data from 118 ancient genomes spanning 12,000 years sampled from across Eurasia. Genomes from Central Türkiye ~8000 BCE are genetically proximal to the domestic origins of sheep but do not fully explain the ancestry of later populations, suggesting a mosaic of wild ancestries. Genomic signatures indicate selection by ancient herders for pigmentation patterns, hornedness, and growth rate.
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