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Seasonal Pattern of Endo-β-Mannanase Activity During Germination of , Exhibiting Morphophysiological Dormancy.
Plants (Basel)
January 2025
Department of Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, Republic of Korea.
Morphophysiological dormancy (MPD) is considered one of the most primitive dormancy classes among seed plants. While extensive studies have examined the occurrence of endo-β-mannanase in seeds with physiological dormancy (PD) or non-dormancy, little is known about the activity of this enzyme in seeds with MPD. This study aimed to investigate the temporal and spatial patterns of endo-β-mannanase activity during dormancy break and germination.
View Article and Find Full Text PDFBlastocyst-Derived Lactate as a Key Facilitator of Implantation.
Biomolecules
January 2025
Melbourne IVF, East Melbourne, VIC 3002, Australia.
The blastocyst develops a unique metabolism that facilitates the creation of a specialized microenvironment at the site of implantation characterized by high levels of lactate and reduced pH. While historically perceived as a metabolic waste product, lactate serves as a signaling molecule which facilitates the invasion of surrounding tissues by cancers and promotes blood vessel formation during wound healing. However, the role of lactate in reproduction, particularly at the implantation site, is still being considered.
View Article and Find Full Text PDFIncidence and risk factors for clinical omphalitis among neonates in Eastern Uganda using chlorhexidine gel for cord care: a community-cohort study.
BMC Pediatr
January 2025
Department of Community and Public Health, Busitema University, Mbale, Uganda.
Background: Omphalitis is a bacterial infection of the umbilicus and/or surrounding tissues, occurring primarily in the neonatal period. Whereas it is known to be a major route of localized and often systemic infection, studies describing incidence and risk factors remain scanty, especially in resource limited settings where the condition is thought to be common. We assessed the incidence and risk factors for omphalitis among neonates born to women who received a birth kit containing chlorhexidine for umbilical cord care after birth in Eastern Uganda.
View Article and Find Full Text PDFLevels and Profile of Tetrodotoxins in Spawning (Palaeonemertea, Nemertea): Assessing the Potential Toxic Pressure on Marine Ecosystems.
Toxins (Basel)
January 2025
A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia.
The ribbon worms of the closely related species , cf. , and , representing the species complex, possess high concentrations of tetrodotoxin (TTX) and its analogues in all developmental stages from eggs to adults. It has recently been suggested that the eggs and larvae of these animals can be a source of tetrodotoxins (TTXs) for other aquatic organisms.
View Article and Find Full Text PDFPalatal segment contributions to midfacial anterior-posterior growth.
J Anat
January 2025
Department of Anthropology, Stony Brook University, Stony Brook, New York, USA.
Anterior-posterior (A-P) elongation of the palate is a critical aspect of integrated midfacial morphogenesis. Reciprocal epithelial-mesenchymal interactions drive secondary palate elongation that is coupled to the periodic formation of signaling centers within the rugae growth zone (RGZ). However, the relationship between RGZ-driven morphogenetic processes, the differentiative dynamics of underlying palatal bone mesenchymal precursors, and the segmental organization of the upper jaw has remained enigmatic.
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