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Marine invertebrate stem cells (MISCs) represent a distinct category of pluripotent and totipotent cells with remarkable abilities for self-renewal and differentiation into multiple germ layers, akin to their vertebrate counterparts. These unique cells persist throughout an organism's adult life and have been observed in various adult marine invertebrate phyla. MISCs play crucial roles in numerous biological processes, including developmental biology phenomena specific to marine invertebrates, such as senescence, delayed senescence, whole-body regeneration, and asexual reproduction. Furthermore, they serve as valuable models for studying stem cell biology. Despite their significance, information about MISCs remains scarce and scattered in the scientific literature. In this review, we have carefully collected and summarized valuable information about MISC detection by perusing the articles that study and detect MISCs in various marine invertebrate organisms. The review begins by defining MISCs and highlighting their unique features compared to vertebrates. It then discusses the common markers for MISC detection and techniques employed in invertebrate and vertebrates investigation. This comprehensive review provides researchers and scientists with a cohesive and succinct overview of MISC characteristics, detection methods, and associated biological phenomena in marine invertebrate organisms. We aim to offer a valuable resource to researchers and scientists interested in marine invertebrate stem cells, fostering a better understanding of their broader implications in biology. With ongoing advancements in scientific techniques and the continued exploration of marine invertebrate species, we anticipate that further discoveries will expand our knowledge of MISCs and their broader implications in biology.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11374967 | PMC |
http://dx.doi.org/10.3389/fcell.2024.1440091 | DOI Listing |
Fish Shellfish Immunol
September 2025
Jiangsu Province Engineering Research Center for Aquatic Animals Breeding and Green Efficient Aquacultural Technology, College of Marine Science and Engineering, Nanjing Normal University, Nanjing 210023, Jiangsu Province, China. Electronic address:
One of the key innate immune pathways in invertebrates is the immune deficiency (IMD) signaling pathway, which effectively combats Gram-negative bacterial infections. In insects, the IMD pathway is involved in the defense against certain viral infections. However, the functional role of the IMD pathway in antiviral immunity remains incompletely characterized in crustaceans.
View Article and Find Full Text PDFProc Biol Sci
September 2025
Laboratorio de Paleobiología, Centro de Estudios Avanzados en Zonas Áridas, La Serena, Chile.
Biotic interactions-and predation in particular-are thought to follow a latitudinal gradient, increasing towards the tropics; yet empirical evidence remains contradictory and largely based on studies from the Northern Hemisphere. Moreover, the role of environmental variables shaping latitudinal gradients of predation intensity has seldom been tested. Here, we quantify predation by shell-breaking crabs on modern shells of the marine gastropod along a latitudinal gradient (40°-54° S) on the southwestern Atlantic coast.
View Article and Find Full Text PDFEcotoxicol Environ Saf
September 2025
Key Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China.
Despite global phase-out initiatives, legacy polychlorinated biphenyls (PCBs) remobilize in marine ecosystems as secondary emission sources, posing ecotoxicological and human health risks emerge through cross-trophic dietary exposure pathways. This study aimed to systematically examined the distribution, trophic transfer properties, and health risks of PCBs in six fish and eight invertebrate species from the Beibu Gulf in southern China, by stable isotope analysis, hierarchical cluster analysis, and Monte Carlo simulation. The ΣPCBs concentrations ranged from 0.
View Article and Find Full Text PDFPLoS One
September 2025
Marine Science Program, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Kingdom of Saudi Arabia.
Sea surface temperature of the Red Sea has increased by up to 0.45 °C per decade over the last 30 years, and coral bleaching events are becoming more frequent. A reef bleaching event was observed in October 2020, whereby some parts of the Red Sea experienced more than 12 °C-weeks.
View Article and Find Full Text PDFZool Res
September 2025
Institute of Entomology, College of Life Sciences, Nankai University, Tianjin 300071, China. E-mail:
The collision of the Indian and Eurasian plates during the Eocene represents a major tectonic shift that significantly altered biotic dynamics and promoted species diversification across the Oriental region. To explain the diversification of taxa from the Indian subcontinent into Southeast Asia, two principal hypotheses have been proposed: the "Biotic-ferry" and "Step-stone" models. The subfamily Perittopinae, a lineage of semi-aquatic bugs comprising a single genus and 20 extant species, provides an ideal system for testing these hypotheses due to its disjunct distribution spanning the Indian subcontinent and Southeast Asia.
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