Article
Ecology
Anthony Ortiz, Nicole M. Vega, Christoph Ratzke, Jeff Gore
Summary: The study highlights that bacterial interspecies interactions play a dominant role in the assembly of the C. elegans microbiota, more so than host-microbe adaptation or gut environmental filtering.
Article
Environmental Sciences
Pin Li, Xianjie Wu, Feng Gao
Summary: Ground-level ozone (O3) pollution and water deficit stress can alter the composition and diversity of phyllospheric bacterial community in hybrid poplar saplings, with significant reductions in alpha diversity indices and shifts in bacterial community composition. An increased abundance of Gammaproteobacteria may be a diagnostic dysbiosis-related biosignature associated with poplar disease risk. Additionally, the photosynthesis-related properties in plant leaves are closely related to the makeup of the phyllosphere bacterial community. These findings provide novel insight into the role of plant-associated microbes in maintaining plant health and ecosystem stability in O3-polluted and dried environments.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2023)
Article
Environmental Sciences
Qi Wang, Zhengzhen Li, Xuewei Li, Qin Ping, Xiangyang Yuan, Evgenios Agathokleous, Zhaozhong Feng
Summary: Elevated ground-level ozone and soil nitrogen have significant impacts on tree physiological characteristics and rhizosphere soil bacterial communities, altering bacterial community composition. The effects of nitrogen and ground-level ozone on bacterial communities may be complex and need to be considered together for a comprehensive understanding.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Microbiology
Haipeng Wu, Sha Xiao, Juan Dai, Ying Xiong, Jiao Cao, Xinyu Qu, Guiqiao Wang, Ruiqing Yang
Summary: The Poplar Ecological Retreat (PER) project is an important environmental protection measure aimed at restoring the ecology of Dongting Lake wetland. This study examined the impact of the PER project on the soil bacterial community structure (BCS) as an indicator of ecological restoration. The results showed that the PER project caused significant changes in soil properties and increased the diversity and richness of soil BCS. This indicates that the PER project is contributing to the gradual recovery of the lake area's ecology.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Agriculture, Multidisciplinary
Haiyun Li, Yachun Ma, Tuo Yao, Li Ma, Jiangui Zhang, Changning Li
Summary: This study elucidated the bacterial community succession, metabolic pathway, and phytotoxicity assessment during beta-cyfluthrin biodegradation by a novel bacterial consortium enriched from contaminated soil. The results showed that the synergistic effect of the microbial community is more conducive to the complete degradation of toxic compounds than a single strain.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2022)
Article
Environmental Sciences
Ruzhuo Zhong, Jianqiang Huang, Yongshan Liao, Chuangye Yang, Qingheng Wang, Yuewen Deng
Summary: This study analyzed the diversity, composition, and interrelationships of bacterial communities in the peanut worm's intestine, coelomic fluid, and culture environment using high-throughput sequencing. The study found that the highest bacterial community richness and diversity were found in the sediments, and the coelomic fluid of the peanut worm contained potential probiotic bacteria. The composition of the bacterial community in the intestine was more similar to that in the sediments compared to water. Functional analysis showed that bacterial communities in different environments had similar functions.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Environmental Sciences
Genmei Lin, Junrou Huang, Kunwen Luo, Xianbiao Lin, Ming Su, Jianguo Lu
Summary: This study investigated the microbial community structure of deep-sea shrimp intestine and surrounding sediment, revealing distinct differences in composition between shrimp intestine and sediment, as well as between shrimp living in different environments. The predicted microbial functionalities highlighted the close interactions between different metabolic pathways. Overall, this study provided comprehensive insights into the bacterial, archaeal, and fungal community structure of deep-sea shrimp intestine and their potential ecological interactions with the surrounding sediment.
ENVIRONMENTAL RESEARCH
(2022)
Article
Microbiology
Fernan Santiago Mejia-Alvarado, Thaura Ghneim-Herrera, Carmenza E. Gongora, Pablo Benavides, Lucio Navarro-Escalante
Summary: The study analyzed the diversity and abundance of gut microbiota in the coffee berry borer (CBB) at different developmental stages, finding a rich and diverse bacterial composition that varies and changes throughout development. Approximately 20% of identified bacteria species were shared across all life stages.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Nutrition & Dietetics
Anqi Yang, Kaijun Wang, Xiaomin Peng, Feifei Lv, Ying Wang, Yao Cui, Yuhan Wang, Dongshuai Qu, Jianqun Zhou, Hongbin Si
Summary: Different dietary calcium sources may have an impact on the production performance and intestinal microbial composition of weaned piglets, but have little effect on the microbial function.
FRONTIERS IN NUTRITION
(2022)
Article
Microbiology
Anand Sitaram, Yunqiang Yin, Tammy Zamaitis, Bo Zhang, Raffi Aroian
Summary: The gene nck-1 plays a crucial role in the defense mechanism of Caenorhabditis elegans against bacterial protein toxins by promoting pore repair at the membrane surface. This defense pathway is independent of MAPK signaling and involves interaction with F-actin cytoskeleton modifying genes. The findings highlight the importance of actin cytoskeleton in protecting the intestinal epithelium from pore-forming proteins.
Article
Plant Sciences
Ya Lu, Ping Cong, Shuai Kuang, Lina Tang, Yuyi Li, Jianxin Dong, Wenjing Song
Summary: This study assessed the effects of excessive application of K2SO4 on soil microbial community and functions in tobacco-planting soil. The results showed that high dosage of K2SO4 led to changes in soil quality indicators and significant impact on bacterial community composition. Compared to low dosage, high dosage of K2SO4 increased the relative abundance of certain nutrient-rich bacteria groups and potentially beneficial bacteria, but had adverse effects on certain bacterial groups related to carbon and nitrogen metabolism.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Engineering, Environmental
Zhong Lin, Zhen Zhen, Shuwen Luo, Lei Ren, Yijie Chen, Weijian Wu, Weijian Zhang, Yan-Qiu Liang, Zhiguang Song, Yongtao Li, Dayi Zhang
Summary: This study found that vermiremediation significantly accelerates tetracycline degradation and enhances multiple degradation pathways. Different tetracycline degraders were identified in different environments, suggesting the impact of vermiremediation on soil microenvironment and degradation processes.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Agriculture, Dairy & Animal Science
Z. Lai, L. Lin, J. Zhang, S. Mao
Summary: The objective of this study was to investigate the effects of high-grain feeding on the composition of mucosa-associated bacterial community, the morphology of small intestinal epithelia, and the gene expressions of junction proteins and inflammatory cytokines in dairy cattle. The results showed that high-grain feeding altered the composition of mucosa-associated bacterial communities and led to changes in gene expressions. These findings suggest that the microbiota residing in the small intestine play an important role in the health of dairy cattle.
JOURNAL OF DAIRY SCIENCE
(2022)
Article
Biodiversity Conservation
Tamara Valenzuela, Joaquin I. Rilling, Giovanni Larama, Jacquelinne J. Acuna, Marco Campos, Nitza G. Inostroza, Macarena Araya, Katherine Altamirano, So Fujiyoshi, Kyoko Yarimizu, Fumito Maruyama, Milko A. Jorquera
Summary: Microbiota associated with bivalves, specifically the mussel Choromytilus chorus in Chilean aquatic environments, were studied using 16S rRNA gene sequencing. The bacterial communities in tissues showed differences between the Nehuentue estuary and Hueihue bay, highlighting the importance of location on microbiota composition and predicted functions.
Review
Biotechnology & Applied Microbiology
Davide Campoccia, Lucio Montanaro, Carla Renata Arciola
Summary: Extracellular DNA (eDNA) in bacterial biofilms can have various origins, released through bacterial apoptosis, fratricide-induced death, specific stressors, or even stolen from host cells or NETs. eDNA can be released in different forms such as free macromolecules, membrane vesicles, or bubbles, and can also be stimulated by sub-inhibitory doses of antibiotics or influenced by phages. Understanding the origins of eDNA is crucial for addressing biofilm-associated infections effectively.