BMAC Weekly — 2026-W34
8 papers selected for 2026-W34.
2026-08-11–2026-08-17 · 8 papers
Unexpected enrichment of antibiotic resistance genes in recirculating aquaculture effluents of rainbow trout (Oncorhynchus mykiss): microbial community assembly and mobile genetic elements as key drivers
Xiaofei Yang, Lili Li, Jinxin Zhang, Jiangqi Qu, Shaogang Xu
2026-08-12 · Frontiers in Microbiology
TL;DR. Recirculating aquaculture effluents had lower conventional pollutants but higher antibiotic resistance gene abundance than flow-through systems, with distinct microbial community structuring and association networks.
Key signal. Total ARG abundance was 1.81-fold higher in RAS than in PFRS despite improved water quality, and co-occurrence networks showed modular associations among species, ARGs, and MGEs.
Why it matters here. This connects to Fangzhou Xiao's interest in microbial community ecology and antibiotic resistance, illustrating how environmental management interacts with microbial genetic elements.
RevCRN: Reversible Analog Computation using Chemical Reaction Networks
Saptarshi Biswas, James I. Lathrop, Rana D. Parshad
2026-08-11 · arXiv (Cornell University)
TL;DR. This preprint establishes computability relationships between real numbers computed by reversible chemical reaction networks and other CRN classes, including results on algebraic numbers and detailed-balanced networks.
Key signal. The set of positive algebraic numbers equals the set of reals computable by Lyapunov CRNs and 1-species RevCRNs, and detailed-balanced RevCRNs compute a subset of algebraic numbers.
Why it matters here. As an enabling-method wildcard with no biology content, this provides theoretical foundations for designing reversible biomolecular computing circuits that could be used for biological modeling or synthetic cellular computation.
Sustainable remediation of petroleum-contaminated river using a bioaugmented constructed wetland–microbial fuel cell: Process performance and microbial community insights
Isni Arliyani, Fahmi Ikhlasul Amalludin, Moh. Krisna Isha Marjiantono, Bieby Voijant Tangahu, Bara Awanda Marhendra, Tonni Agustiono Kurniawan, Adhi Yuniarto
2026-08-07 · Environmental Challenges
TL;DR. A constructed wetland–microbial fuel cell with bioaugmentation and mixed vegetation removed over 75% of petroleum hydrocarbons from contaminated river water while generating peak power density of 173 mW m−2.
Key signal. Microbial community analysis showed dominance of Pseudomonas, Acinetobacter, and Geobacter, linking hydrocarbon degradation and electron transfer to system performance.
Why it matters here. This aligns with Fangzhou Xiao's interests in microbial populations and community function, particularly the role of specific taxa in biodegradation and bioelectricity generation.
Riverine microbial communities in an upper watershed: Integrating volcanic and anthropogenic influences
Sunardi Sunardi, Moh. Dede, Keukeu Kaniawati Rosada, Millary Agung Widiawaty, Sandy Budi Wibowo, Suharman Hamzah, Nasir Nayan, Annisa Jovani Astari, Franck Lavigne, Syamsul Bachri, Idea Wening Nurani
2026-08-05 · Environmental Challenges
TL;DR. Microbial community composition in the Upper Cimanuk River is structured by volcanic and anthropogenic gradients, with distinct extremophile communities in volcanic hazard zones and highest diversity in transitional zones.
Key signal. Volcanic zones with extreme conditions selected for specialized taxa like Hydrogenophaga and Acidiphilium, while transitional zones showed the highest microbial diversity, integrating chemosynthetic and heterotrophic processes.
Why it matters here. This directly relates to Fangzhou Xiao's work on microbial population dynamics and community ecology, highlighting how environmental filters shape community composition and diversity.
Aboveground herbivory differentially regulates belowground bacterial communities and soil functions in an invasive weed
Mengying He, Xihao Wang, JingJing Wang, ZhenYa Tian, JingFang Yang, Yan Zhang, WeiHua Ma, HongXia Hua, Zhongshi Zhou
2026-08-01 · Global Ecology and Conservation
TL;DR. Herbivory by a specialist beetle and a generalist moth differentially affected rhizosphere bacterial communities and soil functions in invasive Ambrosia artemisiifolia.
Key signal. Generalist herbivory enriched nutrient-tolerant bacteria and led to deterministic community assembly, while specialist herbivory promoted organic matter-decomposing bacteria and stochastic assembly.
Why it matters here. This connects to Fangzhou Xiao's interest in microbial community assembly and ecological interactions, showing how aboveground herbivory regulates belowground microbial processes.
Citywide metagenomics reveals microbial community and resistome dynamics in urban wastewater
Zhiying Xu, Jiabao Xing, X Y Zeng, Yuqing Wu, Yao Wang, He Yl, Xialu Lin, Haiyan Huang, Zeyu Zhao, Hua Wu, Zhinan Guo, Tianmu Chen
2026-07-20 · Nature Communications
TL;DR. A citywide metagenomic survey of urban wastewater revealed source-specific microbial communities and resistome profiles, with hospitals harboring the most diverse resistomes and treatment plants accumulating ARGs from multiple sources.
Key signal. Cross-environment lineage sharing is associated with lower nucleotide diversity, and pH shows strong non-linear associations with microbial diversity and resistome composition.
Why it matters here. This relates to Fangzhou Xiao's focus on microbial population dynamics and antibiotic resistance, providing insights into the dissemination of resistance genes in interconnected urban wastewater networks.
The Potential Role of Quorum Sensing in Rumen Microbial Adaptation to Environmental and Nutritional Stress: A Review
Chang Liu, Kehui Ouyang, Mingren Qu, Qinghua Qiu
2026-08-02 · Animals
TL;DR. This review discusses the potential role of quorum sensing in rumen microbial adaptation to environmental and nutritional stress, summarizing current evidence and knowledge gaps.
Key signal. Quorum sensing signaling molecules and collective behavior regulation are proposed as mechanisms for rumen microbiota to maintain fermentation homeostasis under stress, but direct evidence is limited.
Why it matters here. This ties into Fangzhou Xiao's interests in microbial decision-making and community ecology, specifically how intercellular communication may coordinate microbial behavior in complex ecosystems.
From structure to assembly processes: how salinity regulates soil bacterial communities in arid regions
MOU Na, ZHANG Yu, MA Jie, LIU Ran, 徐贵青
2026-08-01 · Journal of Arid Land
TL;DR. Soil bacterial community structure and assembly processes varied along a natural salinity gradient, with deterministic processes dominating in heavily salinized soils and reduced network complexity.
Key signal. Salt-sensitive phyla were replaced by salt-tolerant ones with increasing salinity, and assembly shifted from stochastic in low/moderate salinity to deterministic in high salinity.
Why it matters here. This addresses Fangzhou Xiao's interest in microbial community assembly and environmental filtering, providing an example of how abiotic stress shapes bacterial community structure and function.