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Otolithiasis in the Animal Kingdom: A Retrospective Analysis.
Otol Neurotol
December 2024
Department of Otolaryngology, Columbia University, New York.
Hypothesis: If otolithiasis can be demonstrated to affect multiple species, it may be possible to identify an experimental animal for prospective study of this entity.
Background: Otolithiasis refers to dislodged otolithic matter within the confines of the membranous labyrinth that has the potential to cause clinical symptoms. The mechanism involves separation of free-floating otoconia that can affect the hearing and balance functions of the ear.
Characterization of two carbonic anhydrase isoforms in the pulmonate snail (Lymnaea Stagnalis) and their involvement in Molluskan calcification.
Comp Biochem Physiol B Biochem Mol Biol
January 2025
Rosenstiel School of Marine, Atmospheric and Earth Sciences, University of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149, United States of America.
Calcifying organisms are suffering from negative impacts induced by climate change, such as CO-induced acidification, which may impair external calcified structures. Freshwater mollusks have the potential to suffer more from CO-induced acidification than marine calcifiers due to the lower buffering capacity of many freshwater systems. One of the most important enzymes contributing to the biomineralization reaction is carbonic anhydrase (CA), which catalyzes the reversible conversion of CO to bicarbonate, the major carbon source of the calcareous structure in calcifiers.
View Article and Find Full Text PDFFungal Planet description sheets: 1614-1696.
Fungal Syst Evol
June 2024
Westerdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands.
Novel species of fungi described in this study include those from various countries as follows: , in leaves of , among deep leaf litter, from uredinium of on , on well-rotted twigs and litter in mixed wet sclerophyll and subtropical rainforest. , on twigs of , on bark, in savannas with shrubs and trees. , on leaves of , (incl.
View Article and Find Full Text PDFRetinoschisin Is Required for Pineal Gland Calcification and Cellular Communication in Pinealocytes of Rats and Mice.
Lab Invest
July 2024
State Key Laboratory of Ophthalmology, Optometry and Visual Science, Wenzhou Medical University, Wenzhou, China; School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, China. Electronic address:
Retinoschisin (RS1) is a secretory protein specifically localized to the extracellular domains in both the lateral retina and the pineal gland (PG). However, the functions of RS1 in the pineal body are poorly understood. To address this knowledge gap, in this study, we undertook histochemical, ultrastructural, and Western blotting analyses of the PG in rats and RS1-knock-in transgenic.
View Article and Find Full Text PDFFungal Planet description sheets: 1550-1613.
Persoonia
June 2023
Wasterdijk Fungal Biodiversity Institute, P.O. Box 85167, 3508 AD Utrecht, The Netherlands.
Article Synopsis
- The study describes numerous new species of fungi discovered across various environments, including leaf spots, dead insects, soil, and wood from diverse locations around the world.
- The fungi were isolated from multiple substrates, such as decaying organic matter, living plants, and even specific habitats like semi-desert montane areas and mixed forests.
- Morphological traits and genetic analysis through DNA barcoding confirm the classification and distinct characteristics of these fungal species.
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