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Early-life environment shapes claw bilateral asymmetry in the European lobster (Homarus gammarus).
Biol Open
February 2025
Department of Ecological and Biological Sciences, University of Tuscia, Largo dell'Università, 01100, Viterbo, Italy.
Developmental plasticity refers to an organism's ability to adjust its development in response to changing environmental conditions, leading to changes in behaviour, physiology, or morphology. This adaptability is crucial for survival and helps organisms to cope with environmental challenges throughout their lives. Understanding the mechanisms underlying developmental plasticity, particularly how environmental and ontogenetic factors shape functional traits, is fundamental for both evolutionary biology and conservation efforts.
View Article and Find Full Text PDFHazard assessment of oil spill response chemical herding agents to commercially valuable North Atlantic species.
Environ Toxicol Chem
January 2025
Kenneth Lee Research Inc, Halifax, NS, Canada.
Herders are surface-collecting agents that can effectively reduce the surface area of oil slicks during a spill. Currently, two herding agents, Siltech OP-40 (OP-40) and ThickSlick 6535 (TS6535), are approved for use in oil spill response operations by the United States Environmental Protection Agency National Contingency Plan. These products may be deployed when there is evidence that environmental conditions are appropriate for their application and that their use will result in a net environmental benefit.
View Article and Find Full Text PDFPredicting the toxicity of physically and chemically dispersed oil: a modelling case study with American lobster larvae (Homarus americanus).
Environ Toxicol Chem
January 2025
GHD Rye, New York, NY, United States.
Determining the impact of an oil spill on aquatic ecosystems is a challenge. Because of the chemical complexity of crude oil, risk assessments rely on quantitative structure associated relationships to group chemical classes of compounds based on similar modes of toxicity. Quantitative structure associated relationships like the target lipid model can be used to determine species sensitivity by determining the critical target lipid body burden (CTLBB) and can be used to calculate the toxic units (TU) of a mixture.
View Article and Find Full Text PDFBioinspired Smart Triboelectric Soft Pneumatic Actuator-Enabled Hand Rehabilitation Robot.
Adv Mater
March 2025
Division of Intelligent and Biomechanical Systems, State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Haidian, Beijing, 100084, China.
Quantitative assessment for post-stroke spasticity remains a significant challenge due to the encountered variable resistance during passive stretching, which can lead to the widely used modified Ashworth scale (MAS) for spasticity assessment depending heavily on rehabilitation physicians. To address these challenges, a high-force-output triboelectric soft pneumatic actuator (TENG-SPA) inspired by a lobster tail is developed. The bioinspired TENG-SPA can generate approximately 20 N at 0.
View Article and Find Full Text PDFOcean warming and acidification alter calcification and innate immune system gene expression in juvenile American lobsters, Homarus americanus.
Comp Biochem Physiol Part D Genomics Proteomics
June 2025
School for the Environment, University of Massachusetts Boston, Boston, MA 02125, USA; Presidents Office, Ursinus College, Collegeville, PA 19426, USA.
Article Synopsis
- The Gulf of Maine is facing severe ocean warming and acidification, impacting the American lobster, with limited research on how these stressors interact specifically on gene expression.
- Two aquarium experiments were conducted that simulated future ocean conditions to assess the effects of these stressors on juvenile lobsters' gene expression, revealing complex responses in genes related to calcification and immune function.
- Findings indicate that elevated temperatures significantly affect gene expression, potentially leading to impaired normal development and increased vulnerability to disease due to these combined stressors.
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