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Bioprospecting bacteria-associated with Sponge from the Karimunjawa waters with plastic-degrading activity
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Scientists discovered bacteria living on ocean sponges near Karimunjawa Island that can actually break down plastic—a promising natural tool for tackling the plastic pollution flooding our oceans. This matters because plastic waste breaks into tiny microplastics that end up in seafood and drinking water, so finding bacteria that degrade plastic in the environment could eventually help reduce our exposure to these particles. The researchers also found that the specific growth conditions used for the bacteria made a big difference, boosting plastic breakdown from just 20% to 80% effectiveness—showing there's real room to improve this approach with further
Abstract Plastic waste pollution poses a danger to aquatic life, necessitating efforts to remove plastic waste and microplastics from water environments. This study aimed to assess the seawater quality at a sampling site near the port of Karimunjawa Island, isolate bacteria associated with sponges, and evaluate their ability to degrade plastic using two different media: minimal salt medium (MSM) and peptone yeast agar (PYA). This study employed an experimental approach with a true experimental design. The findings revealed that five symbiotic bacterial isolates were successfully extracted from the sponge Dysidea sp. The potential for plastic degradation varied across different media. In MSM media, plastic-degrading activity ranged from 1.72% to 2.61%. In contrast, the percentage of plastic degradation in PYA medium was 1.23%. The bacterial isolate exhibited the highest plastic-degrading activity (80%) when cultivated in MSM medium, compared to only 20% activity in PYA medium. Selecting the appropriate medium can enhance the plastic-degrading activity of bacteria that function as plastic degraders in water.
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Local Plastic-Eating Bacteria: The Key to Bioremediation in Indonesian Coastal Waters
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Scientists found bacteria living in Indonesian coastal waters that can naturally break down common plastics (the kind used in bottles and grocery bags), with a mix of three bacterial strains breaking down up to 16% of the plastic in lab tests over three months. This matters because plastic pollution in oceans eventually breaks into microplastics that end up in seafood and drinking water, and finding natural, low-cost ways to clean up plastic before it fragments could help reduce that contamination, though more testing is needed before this could actually be used in the ocean.
Isolation and Identification of Indigenous Plastic-Degrading Bacteria from Dumai’s Ocean Water of Riau Province
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Researchers isolated and identified plastic-degrading bacteria from the coastal waters of Dumai, Indonesia, finding indigenous microbial populations capable of breaking down plastic polymers. Local plastic-degrading bacteria represent a potentially sustainable biological tool for addressing microplastic contamination in affected environments.
Molecular identification of ascidian-associated fungi with LDPE-degrading potential from the Karimunjawa waters
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Scientists studying marine life near Indonesia's Karimunjawa Islands discovered that fungi living on sea creatures called ascidians (small filter-feeding animals) can break down LDPE plastic — the type used in grocery bags and food packaging. One fungus in particular, a newly identified strain of Aspergillus, showed the most promise for eating away at this plastic over a 21-day test period. This matters because plastic pollution in our oceans eventually breaks down into microplastics that end up in seafood and drinking water, posing potential risks to human health. While these fungi won't solve plastic pollution overnight, they
Microplastic Associated Microorganisms: Isolation, Identification and Assessment of Biofilm-Based Degradation Potential
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Scientists found naturally occurring bacteria and fungi living on microplastics in polluted soil and water that can actually break down these tiny plastic particles over time. This matters because microplastics are showing up everywhere—including in our food, water, and bodies—and these microbe-based cleanup methods could offer a more natural, sustainable way to reduce plastic pollution before it accumulates further in our environment and, potentially, our health.
Genome mining and screening for plastic-degrading potential in marine bacteria
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Scientists found bacteria living on old fishing nets in the ocean that can break down plastic pollution, including the tiny plastic particles called microplastics that contaminate our food and water. These plastic-eating bacteria could potentially be used to clean up ocean plastic waste, which would reduce the amount of harmful microplastics that end up in seafood we eat. This discovery offers hope for a natural solution to reduce plastic pollution that threatens both ocean life and human health.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.