Nitrogen and Phosphorus‑Related Functional Genes Enhance Nutrient Removal in the Integrated Aquaculture Wastewater Bioremediation System in the Presence of Photosynthetic Bacteria

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dc.contributor.authorRamzan, Muhammad N.
dc.contributor.authorShen, Ding
dc.contributor.authorWei, Yingzhen
dc.contributor.authorEmmanuel, Arslan
dc.contributor.authorNicholaus, Regan
dc.contributor.authorYang, Wen
dc.contributor.authorZheng, Zhongming
dc.date.accessioned2025-03-13T07:40:49Z
dc.date.available2025-03-13T07:40:49Z
dc.date.issued2025
dc.descriptionThis research article was published by springer nature in 2025
dc.description.abstractIntegrated Aquaculture Wastewater Bioremediation Systems (IAWBSs) are crucial for treating nutrient-rich mariculture water. However, there is a lack of detailed information about the functional mechanisms between nitrogen (N) and phosphorus (P) functional genes and the bacterioplankton community in the presence of photosynthetic bacteria (PSB). This study evaluated the connections between N and P functional genes in IAWBSs under the influence of PSB. The results showed significant improvements in effluent qual- ity, with removal efficiencies of 79, 74, 83, 90, and 71% for NO2− −N, NO3− −N, PO43−-P, NH 4+ −N, and COD Mn, respectively. Adding PSB enhanced and altered microbial diversity within the system, promoting the abundance of functional genes related to N and P cycling. Notably, genes associated in denitrification (nirK and nirS), ammonification (ureC) and amoB, involved in nitrification, were significantly increased after PSB was added. Fur- thermore, genes such as phnK, phoD, and phoX, which are involved in P transformation, also showed increased abundance levels. These genes were closely linked to the micro- bial community distribution, species diversity, and nutrient cycling. Microbial community changes can result in changes in functional gene abundance. This study provides important and novel insights for developing bioremediation strategies for polluted sites. This demon- strates the fundamental relationships between the IAWBSs’ functional units and the distri- bution of microbial communities under the influence of PSB.
dc.description.sponsorshipPrivate
dc.identifier.otherhttps://doi.org/10.1007/s10499-024-01809-5
dc.identifier.urihttps://repository.must.ac.tz/handle/123456789/292
dc.language.isoen
dc.publisherSpringer nature
dc.titleNitrogen and Phosphorus‑Related Functional Genes Enhance Nutrient Removal in the Integrated Aquaculture Wastewater Bioremediation System in the Presence of Photosynthetic Bacteria
dc.typeArticle
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