Publications by authors named "I A Hawes"
Article Synopsis
- - This study examines the occurrence and effects of perfluoroalkyl substances (PFASs) and hexabromocyclododecanes (HBCDs) in the Antarctic marine environment, revealing significant human impact on contaminant levels, especially at King Sejong Station.
- - Short-chain PFASs were found mainly in seawater, while PFSAs were more common in sediments, indicating complex distribution patterns influenced by processes like long-range transport and glacial meltwater.
- - The research highlights a shift in contaminant patterns post-regulation, suggesting a decrease in certain regulated substances and an increase in unregulated ones, necessitating ongoing monitoring for better understanding and protection of the Antarctic ecosystem.
Article Synopsis
- Understanding the effects of eutrophication on stream macrophytes is essential for effective environmental management, but their response is complicated due to various habitat factors like light and flow.
- The study examined macrophyte communities in 30 lowland streams, specifically looking at water quality, internal nutrient status, and additional land use data to analyze the impact of eutrophication.
- Results indicated that non-native plant species dominate eutrophic streams, with specific growth strategies correlating to different nutrient conditions, highlighting the complex relationships between macrophyte abundance and eutrophication dynamics.
We recovered 57 bacterial metagenome-assembled genomes (MAGs) from benthic microbial mat pinnacles from Lake Vanda, Antarctica. These MAGs provide access to genomes from polar environments and can assist in culturing and utilizing these Antarctic bacteria.
View Article and Find Full Text PDFComprising only 1-10% of the circulating T cell population, γδT cells play a pivotal role in cancer immunotherapy due to their unique amalgamation of innate and adaptive immune features. These cells can secrete cytokines, including interferon-γ (IFN-γ) and tumor necrosis factor-α (TNF-α), and can directly eliminate tumor cells through mechanisms like Fas/FasL and antibody-dependent cell-mediated cytotoxicity (ADCC). Unlike conventional αβT cells, γδT cells can target a wide variety of cancer cells independently of major histocompatibility complex (MHC) presentation and function as antigen-presenting cells (APCs).
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