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The strong correlation between reproductive life cycle type and chromosome numbers in green plants has been a long-standing mystery in evolutionary biology. Within green plants, the derived condition of heterosporous reproduction has emerged from the ancestral condition of homospory in disparate locations on the phylogenetic tree at least 11 times, of which three lineages are extant. In all green plant lineages where heterospory has emerged, there has been a significant downsizing in chromosome numbers.
View Article and Find Full Text PDFLarge soluble CD18 complexes with exclusive ICAM-1-binding properties are shed during immune cell migration in inflammation.
J Transl Autoimmun
June 2025
Department of Biomedicine, Aarhus University, Denmark.
The family of heterodimeric CD11/CD18 integrins facilitate leukocyte adhesion and migration in a wide range of normal physiologic responses, as well as in the pathology of inflammatory diseases. Soluble CD18 (sCD18) is found mainly in complexes with hydrodynamic radii of 5 and 7.2 nm, suggesting a compositional difference.
View Article and Find Full Text PDFA systematic review of Streptococcus Mutans and Veillonellae species interactions in dental caries progression: Positive or Negative impact?
F1000Res
January 2025
Department Medical Microbiology, Medical Program, Faculty of Medicine, Universitas Mulawarman, Samarinda, East Kalimantan, 75119, Indonesia.
Background: The interaction between Streptococcus mutans (S. mutans) and Veillonella species (Veillonella spp.) is unclear.
View Article and Find Full Text PDFA nociceptor-specific RNAi screen in larvae identifies RNA-binding proteins that regulate thermal nociception.
PeerJ
January 2025
Department of Biology, Appalachian State University, Boone, North Carolina, United States.
Nociception is the process by which sensory neurons detect and encode potentially harmful environmental stimuli to generate behavioral responses. Nociceptor neurons exhibit plasticity in which their sensitivity to noxious stimuli and subsequent ability to drive behavior may be altered by environmental conditions, injury, infection, and inflammation. In some cases, nociceptor sensitization requires regulated changes in gene expression, and recent studies have indicated roles for post-transcriptional mechanisms in regulating these changes as an aspect of nociceptor plasticity.
View Article and Find Full Text PDFEvaluation of bone development and organs in rat fetuses exposed to tartrazine.
Heliyon
January 2025
Yozgat Bozok University, Faculty of Medicine, Department of Anatomy, Yozgat, Turkey.
Tartrazine finds widespread application in the realms of alimentation, pharmaceuticals, cosmetic formulations, and textile manufacturing. Tartrazine has a negative effect on human health such as hyperactivity, allergies and asthma in children. Substances such as tartrazine might effect the embryo in a kind of aspects, containing physical or mental disorders, and a decrease in the child's intellectual memory.
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