Research Topic: water quality

Editorial: Pharmaceutically active micropollutants – how serious is the problem and is there a microbial way out?

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Medicines we take don’t fully disappear—30 to 90% are excreted unchanged and end up in water supplies. These pharmaceutical residues contaminate drinking water and harm aquatic life worldwide. Scientists are discovering that certain fungi and bacteria can break down these drug residues through natural metabolic processes. By harnessing these microbes in treatment systems and improving waste management practices, we could significantly reduce pharmaceutical pollution.

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Biodegradation of Microcystins by Aquatic Bacteria Klebsiella spp. Isolated from Lake Kasumigaura

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Scientists discovered three bacteria from a Japanese lake that can effectively break down microcystins, toxic substances produced by harmful algal blooms. These bacteria work well at warm temperatures and alkaline conditions typical of contaminated lakes during summer. The research shows these bacteria contain a special gene that helps them degrade different types of microcystins, offering a promising biological solution for cleaning contaminated water without harmful side effects.

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Microplastic pollution in Himalayan lakes: assessment, risks, and sustainable remediation strategies

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Plastic particles called microplastics are increasingly polluting Himalayan lakes through tourism, waste, and glacier melting, harming fish and water quality. Scientists are testing various cleanup methods including physical filters, chemical treatments, and microbe-based solutions. Tiny engineered materials under UV light show promise for breaking down plastics in cold mountain environments. Better policies, monitoring, and community action are needed to protect these important freshwater sources.

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