We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Alleviating effect of EMs on oxidative stress and inflammation of Micropterus salmoides after microplastics exposure
AI summary Read the abstract
Exposure and depuration experiments in juvenile largemouth bass showed that effective microorganisms (EMs) increased microplastic accumulation in the intestine while also accelerating recovery from oxidative stress and inflammation during the depuration phase. These results reveal a trade-off in using beneficial microbes in aquaculture systems: while EMs aid recovery from microplastic toxicity, they may also increase initial plastic uptake into fish tissues relevant to the human food chain.
In order to examine the distribution and accumulation patterns of microplastics (MPs) in conjunction with effective microorganisms (EMs), as well as their collective impact on oxidative stress, inflammatory damage, and immune regulation in juvenile Micropterus salmoides (M. salmoides), a series of exposure (96 h) and depuration (D 96 h) experiments with MPs and EMs were conducted. The results showed that the highest abundance of MPs appeared in the biological samples in the EMs with MPs group (EP group) at 96 h. The highest abundance of MPs in the sediment occurred in the MPs group (P group) at 96 h with 507 items/mL and in the water samples at 48 h in the P group with 141.75 items/mL. The addition of EMs increased the content of MPs in the intestine of M. salmoides and reduced the MPs content in the water and sediment. The expression of Nrf2 and SOD in the intestinal in the EP group compared with the control group (C group) showed significant differences at 48 h. After D 96 h, the expression of SOD and GPX in the MPs + EMs (P-E) (EP group) was significantly higher than the C group. IL-8 and TNF-α in the intestine and gill in the P group were significantly higher than the C group at 96 h, and it began to show a decreasing trend after D 96 h. These results revealed that the addition of EMs increased the enrichment of MPs in M. salmoides, while it promoted the recovery of M. salmoides from adverse effects during the depuration phase. These findings can help us understand the responses of MPs with microorganisms in aquaculture.
More Papers Like This
Physiological Alterations and Immune Modulation in Fish Exposed to Microplastics
AI summary Read the abstract
Researchers reviewed the physiological and immunological effects of microplastic exposure in fish, finding that these particles smaller than 5 mm induce a range of biological disruptions including immune modulation, oxidative stress, and systemic health impacts with broader implications for aquatic ecosystem integrity.
Impact of Microplastics and Nanomaterials on Fish Health: Oxidative Stress and Antioxidant Defense Mechanisms
AI summary Read the abstract
Researchers review how exposure to microplastics, pesticides, and nanoparticles triggers oxidative stress in fish by generating reactive oxygen species, and examine how fish antioxidant defense mechanisms respond to these combined environmental stressors with implications for seafood safety and aquatic health.
Current State of Research on the Prevalence of Microplastics in Aquatic Fish and Their Impact on Health
AI summary Read the abstract
Researchers reviewed microplastic contamination in fish across all seven continents, finding marine fish were studied 2.6 times more than freshwater species, and that microplastics trigger oxidative stress, alter biochemical pathways, and accumulate through biotransformation in fish tissues globally.
Toxicity Impact of Polyethylene Microplastics on Biochemical Parameters and Oxidative Stress in Benni Fish (Barbus sharpeyi)
AI summary Read the abstract
Benni fish exposed to increasing concentrations of polyethylene microplastics showed significant liver enzyme disruption, elevated cholesterol and triglycerides, and clear signs of oxidative damage in their cells. These dose-dependent biochemical changes suggest that microplastic exposure causes systemic physiological stress in fish, raising concerns about the health of species humans consume.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.