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Nephrotoxic effects of Cnidaria toxins.
Int Marit Health
January 2025
Department of Epidemiology and Tropical Medicine; Military Institute of Medicine - National Research Institute, Warsaw, Poland.
Article Synopsis
- Many marine animals, particularly Cnidarians like jellyfish, can be dangerous to humans and often cause painful burns, especially in tropical waters.
- Contact with their toxins may lead to acute kidney damage, with varying effects depending on the specific species of Cnidaria involved.
- Currently, there's one specific antitoxin for Cnidarian-induced burns, but research is ongoing to develop a universal treatment that could neutralize toxins from various Cnidarian species.
HD-YOLO: The hydroid of aurelia detector.
Mar Pollut Bull
January 2025
Department of Mechanical and Electrical Engineering, Hebei Construction Material Vocational and Technical College, Qinhuangdao 066004, China.
In recent years, jellyfish outbreaks have been frequent in near-shore waters and have become a worldwide problem. At present, the main species that form jellyfish disasters along the coast of China is aurelia. In order to control jellyfish outbreaks from the source of growth, this paper proposed a hydroid detector HD-YOLO improved from YOLOv7, and established a hydroid of aurelia dataset.
View Article and Find Full Text PDFFreshwater jellyfish in northeastern Argentina: a risk to human health.
Trans R Soc Trop Med Hyg
January 2025
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET).
Article Synopsis
- The study investigates the occurrence of freshwater jellyfish, specifically Craspedacusta sowerbii, in Misiones, Argentina, and its potential to cause envenomation in humans.
- It documents cases of skin lesions that coincided with the jellyfish's presence and analyzes its toxicological properties, revealing the presence of harmful enzymes and toxins.
- This research not only confirms the jellyfish's presence in northeastern Argentina but also aids health professionals in diagnosing and managing jellyfish-related injuries.
Homosalate and ERK Knockdown in the Modulation of Metamorphosis by Regulating the PI3K Pathway and ERK Pathway.
Curr Issues Mol Biol
October 2024
Naval Medical Center of PLA, Naval Medical University, Shanghai 200052, China.
Metamorphosis control is pivotal in preventing the outbreak of jellyfish, and it is often studied using common model organisms. The widespread use of the ultraviolet blocking agent homosalate in cosmetics poses a threat to marine ecosystems. Although the impact of homosalate on marine organisms has been extensively examined, there is a notable absence of research on its effects on jellyfish metamorphosis and the underlying mechanisms, warranting further investigation.
View Article and Find Full Text PDFDetection of the jellyfish Chrysaora pacifica by RPA-CRISPR-Cas12a environmental DNA (eDNA) assay and its evaluation through field validation and comparative eDNA analyses.
Sci Total Environ
December 2024
Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon 22012, Republic of Korea. Electronic address:
Article Synopsis
- Climate change and human activities are leading to the rise of non-native aquatic species like jellyfish, which can disrupt ecosystems and pose health risks.
- Researchers developed a two-step RPA-CRISPR-Cas12a eDNA assay for early detection of the jellyfish Chrysaora pacifica, showing high sensitivity in identifying low levels of its genetic material.
- Field tests in Jinhae Bay supported the assay's effectiveness by correlating with data from existing monitoring programs, suggesting it could be a reliable alternative for early warning systems against invasive marine species.
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