Journal of Microbiology

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The impact of acid mine drainage on nitrogen-fixing microorganisms in rice root zone soil: Shengni Tian, Penghui Zhang, Qin Zhang, Yupeng Chen, Caijuan Sun, Dan Huang, Wenye Zhang, Mingzhu Zhang; J. Microbiol. 2026;64(1):e2505004. Published online January 31, 2026; DOI: https://doi.org/10.71150/jm.2505004

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Abstract PDF Supplementary Material: Acid mine drainage (AMD) poses a serious threat to rice paddy ecosystems, yet its impact on the composition and dynamics of soil nitrogen-fixing microorganisms remains poorly understood. In this study, a pot experiment was conducted using paddy soil collected from a mining area under three pollution treatments, to analyze changes in the structure of the nitrogen-fixing microbial community across different growth stages and treatments. The results showed that AMD irrigation led to soil acidification, sulfate accumulation, and a significant reduction in the diversity of nitrogen-fixing microorganisms in the root zone. Compared to the control, the Shannon index decreased by 11.65–24.79% in contaminated soil. LEfSe analysis indicated that AMD enriched metal-tolerant and sulfate-resistant microbial taxa. Irrigation with clean water was insufficient to fully restore the soil environment. The assembly process of the AMD soil community was governed solely by stochastic processes, indicating structural instability of the community. This study suggests that remediation strategies should prioritize neutralizing acidity and restoring nutrient balance to support the stability and recovery of nitrogen-fixing microorganisms. These findings provide new insight into how AMD disrupts diazotrophic community assembly, with direct implications for paddy soil restoration.

Microbiome therapeutic PMC72 through reverse translational research in gout: Mohammed Solayman Hossain, Hoonhee Seo, Kyung-Ann Lee, Asad ul-Haq, Sukyung Kim, Sujin Jo, Md Abdur Rahim, Hanieh Tajdozian, Fatemeh Ghorbanian, Youjin Yoon, Indrajeet Barman, Md Sarower Hossen Shuvo, Hyun-Sook Kim, Ho-Yeon Song; J. Microbiol. 2025;63(5):e2501002. Published online May 27, 2025; DOI: https://doi.org/10.71150/jm.2501002

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Gout is an inflammatory arthritis resulting from the deposition of monosodium urate crystals. Urate-lowering therapies for gout have limitations, including side effects and limited efficacy, highlighting the need for novel therapeutic approaches to improve patient outcomes. In this context, our research team conducted a microbiome analysis of fecal samples from healthy individuals and gout patients, identifying Bifidobacterium as a key biomarker. Subsequently, we isolated and identified this strain, B. longum PMC72, and demonstrated its efficacy in a gout mouse model. In potassium oxonate (PO)-induced hyperuricemia mice, PMC72 significantly alleviated nausea, gait disturbances, ankle inflammation, and improved renal health. These effects were associated with marked reductions in oxidative stress markers, including serum uric acid, blood urea nitrogen, hepatic xanthine oxidase, and malondialdehyde (MDA) levels in serum, liver, and joint samples, as well as the downregulation of inflammation and uric acid transport-related gene expression in kidney samples. These benefits were comparable to those treated with Febuxostat, a standard urate-lowering therapy for gout. Furthermore, gut microbiome analysis revealed that PMC72 restored dysbiosis induced by hyperuricemia, contrasting with the reduced microbial diversity observed with febuxostat alone, and showed a complete recovery to eubiosis when combined with Febuxostat. These findings position PMC72 as a promising microbial therapeutic candidate for gout management, demonstrating significant development potential and serving as a benchmark for reverse translational microbiome-based therapeutic research.

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Characterization of Gut Microbiota of Honey Bees in Korea
Md Sarower Hossen Shuvo, Sukyung Kim, Sujin Jo, Md Abdur Rahim, Indrajeet Barman, Mohammed Solayman Hossain, Yoonkyoung Jeong, Hwasik Jeong, Sangrim Kim, Hoonhee Seo, Ho-Yeon Song
Polish Journal of Microbiology.2025; 74(4): 428. CrossRef
Quantitative assessment of microbial dynamics in livestock manure and municipal wastewater treatment plants
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Applied Biological Chemistry.2025;[Epub] CrossRef
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Journal Articles

Heterologous Production and Structure Determination of a New Lanthipeptide Sinosporapeptin Using a Cryptic Gene Cluster in an Actinobacterium Sinosporangium siamense: Keita Saito , Keiichiro Mukai , Issara Kaweewan , Hiroyuki Nakagawa , Takeshi Hosaka , Shinya Kodani; J. Microbiol. 2023;61(6):641-648. Published online June 12, 2023; DOI: https://doi.org/10.1007/s12275-023-00059-z

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