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Hidden Causes of Variation in Offspring Reproductive Value: Negative Effects of Maternal Breeding Age on Offspring Telomere Length Persist Undiminished Across Multiple Generations.
Ecol Lett
January 2025
School of Biodiversity, One Health and Veterinary Medicine, University of Glasgow, Glasgow, UK.
Offspring of older breeders frequently show reduced longevity, which has been linked to shorter offspring telomere length. It is currently unknown whether such telomere reduction persists beyond a single generation, as would be the case if germline transmission is involved. In a within-grandmother, multi-generational study using zebra finches, we show that the shorter telomeres observed in F1 offspring of older mothers are still present in the F2 generation even when the breeding age of their F1 mothers is young.
View Article and Find Full Text PDFMultigenerational toxic effects in Daphnia pulex are induced by environmental concentrations of tire wear particle leachate.
J Hazard Mater
December 2024
Hangzhou Normal University, Hangzhou, Zhejiang 311121, China; Zhejiang Provincial Key Laboratory of Wetland Intelligent Monitoring and Ecological Restoration, Hangzhou, Zhejiang 311121, China.
Microplastic pollution has emerged as the second most significant scientific issue in environmental science and ecology. Similarly, the biological effects of tire wear particles (TWPs) have garnered considerable research attention; however, studies on chronic TWP leachate toxicity at environmentally relevant concentrations remain sparse. Here, we investigated the effects of TWP leachate at environmentally relevant concentrations (0.
View Article and Find Full Text PDFFamilial co-aggregation and shared familiality among neurodevelopmental problems and with aggressive behavior, depression, anxiety, and substance use.
Psychol Med
December 2024
Department of Psychiatry, Interdisciplinary Center Psychopathology and Emotion Regulation, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
Objective: To refine the knowledge on familial transmission, we examined the (shared) familial components among neurodevelopmental problems (i.e. two attention-deficit/hyperactivity-impulsivity disorder [ADHD] and six autism spectrum disorder [ASD] subdomains) and with aggressive behavior, depression, anxiety, and substance use.
View Article and Find Full Text PDFTransgenerational neurotoxic effects of triphenyltin on marine medaka: Impaired dopaminergic system function.
Environ Pollut
December 2024
Marine College, Shandong University, Weihai, Shandong, 264209, China. Electronic address:
Article Synopsis
- TPT (Triphenyltin) is a neurotoxic environmental contaminant found in antifouling paints that shows alarming multigenerational impacts on behavior, even without direct exposure in descendants.
- Behavior changes, like reduced activity and anxiety, were more pronounced in females, suggesting gender-specific susceptibility to TPT's effects.
- The study highlights the role of maternal influence and gene transcription changes in the inheritance of cognitive deficits and anxiety, underscoring the importance of dopamine and acetylcholinesterase balance to cognitive function.
Sex-specific neurotoxicity and transgenerational effects of an emerging pollutant, tris(1,3-dichloro-2-propyl)phosphate (TDCIPP).
Sci Total Environ
December 2024
State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; Swire Institute of Marine Science, School of Biological Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong, China. Electronic address:
The growing production and usage of flame retardants (FRs) results in their extensive environmental distribution, potentially posing a threat on both ecological and human health. Tris(1,3-dichloro-2-propyl)phosphate (TDCIPP), a commonly used FR, is commonly found in aquatic ecosystems, and aquatic organisms, including fish, may be exposed to TDCIPP during specific stages of their life cycles, or across generations. Here, we aim to identify and compare the neurotoxic effects of TDCIPP on the brains of female and male adult marine medaka (Oryzias melastigma) across three generations (F0 to F3).
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