The containing of taurine and carnosine (low-molecular biologically active substances) was studied in tissues of molluscs (Gastropodae, Brahiopodae and Cephalopodae) by 38 species. The highest concentration of taurine found in the octopus and 5 species of shells (Gastropodae). The containing of carnosine in mollusks is highly lower than in bovine muscles. Organoleptic quality of lyophilized water-spirit extracts by soft tissues of molluscs allow to use it as a taurine-enriching food addition.
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Nat Commun
January 2025
Committee on Development, Regeneration and Stem Cell Biology, The University of Chicago, Chicago, IL, USA.
Prehensile arms are among the most remarkable features of the octopus, but little is known about the neural circuitry controlling arm movements. Here, we report on the cellular and molecular organization of the arm nervous system, focusing on its massive axial nerve cords (ANCs). We found that the ANC is segmented.
View Article and Find Full Text PDFBiol Lett
January 2025
Département de sciences biologiques, Université de Montréal, Montréal, QC, Canada.
Strict maternal inheritance of mitochondria is known to be the rule in animals, but over 100 species across six orders of bivalves possess doubly uniparental inheritance (DUI) of mitochondria. Under DUI, two distinctive sex-specific mitogenomes coexist. In marine and freshwater mussels, each mitogenome has an additional protein-coding gene, called female- and male-specific open reading frame or and , respectively.
View Article and Find Full Text PDFMar Biotechnol (NY)
January 2025
Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China.
The influence of sex and heredity on DNA methylation in the somatic tissues of mice has been well-documented, with similar hereditary effects reported in honeybees. However, the extent to which these factors affect DNA methylation in molluscan somatic tissues remains poorly understood. In this study, we investigated genomic DNA methylation patterns in the adductor muscle of two genetically distinct oyster strains using whole-genome bisulfite sequencing (WGBS).
View Article and Find Full Text PDFPathogens
December 2024
Department of Aquatic Life Medicine, Pukyong National University, Busan 48513, Republic of Korea.
White spot syndrome virus (WSSV) poses a major risk to shrimp aquaculture, and filter-feeding bivalves on shrimp farms may contribute to its persistence and transmission. This study investigated the bioaccumulation and vector potential of WSSV in Pacific oysters (), blue mussels (), and manila clams () cohabiting with WSSV-infected shrimp. Sixty individuals of each species (average shell lengths: 11.
View Article and Find Full Text PDFActa Parasitol
January 2025
World Health Organization Regional Office for Southeast Asia, New Delhi, India.
Purpose: A comprehensive survey was conducted to assess the prevalence of Schistosoma japonicum infection in humans, water buffaloes, and snails in the two endemic municipalities of Talibon and Trinidad in Bohol, Philippines, which are nearing elimination.
Methods And Results: Human stool and blood samples were collected from barangays with snail breeding sites, and results showed higher positivity rates using the rSjTPx-1-ELISA compared to the Kato-Katz technique. Human stool examination for showed a 0.
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