Article
Soil Science
Sara Peixoto, Jacinta M. M. Oliveira, Isabel Henriques, Rui G. Morgado, Amadeu M. V. M. Soares, Susana Loureiro
Summary: The study found that AgNPs affected the structure and tolerance of SBC, but did not increase tolerance on a second exposure. AgNO3 was more effective in inhibiting SBC growth than AgNPs, both in a dose-dependent manner.
APPLIED SOIL ECOLOGY
(2022)
Article
Plant Sciences
Goncalo Silva, Moritz Bomer, Aliyu A. Turaki, Chukwuemeka K. Nkere, P. Lava Kumar, Susan E. Seal
Summary: Badnaviruses are serious pathogens of global crops, and their endogenous sequences pose challenges to nucleic acid-based diagnostic methods and international germplasm movement. Yam is a major affected food security crop, and this study developed a PCR-DGGE method to detect and analyze endogenous badnaviral sequences in yam.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Food Science & Technology
Xueao Ji, Longyun Zhang, Xiaowei Yu, Fujiang Chen, Fengxue Guo, Qun Wu, Yan Xu
Summary: The initial microbial community is crucial for the quality of fermented foods. This study examined the microbial succession during stacking and alcoholic fermentation of sesame flavor-type baijiu using high-throughput sequencing and statistical methods. A strategy for selecting the initial microbial community in alcoholic fermentation was proposed based on the results. The study also developed a succession distance-guided approach to improve the quality of baijiu.
FOOD RESEARCH INTERNATIONAL
(2023)
Article
Energy & Fuels
Jun Wang, Xiaopeng Cao, Zhigang Sun, Hongxin Zhang
Summary: The feasibility of using biogas to enhance oil recovery in the hypersaline Qinghai oil field was studied. The use of molasses as a carbon source effectively promoted gas production. Addition of nitrate eliminated sulfate-reducing bacteria, which had a significant impact on the application of MEOR.
PETROLEUM SCIENCE AND TECHNOLOGY
(2023)
Article
Geosciences, Multidisciplinary
Guancheng Liu, Hao Wang, Guoyong Yan, Miao Wang, Shuai Jiang, Xiaochun Wang, Junsen Xue, Min Xu, Yajuan Xing, Qinggui Wang
Summary: Extracellular enzymes are crucial for organic matter decomposition and their activity reflects microbial nutrient demand. Secondary succession in ecosystems leads to changes in soil properties and microbial community structure, affecting nutrient cycling and ecosystem stability. This study aims to investigate the changes in soil enzymes during the succession in boreal forest ecosystems.
Article
Environmental Sciences
Yo-Jin Shiau, Ed-Haun Chang
Summary: Constructed wetlands are widely used as low-cost wastewater treatment systems and provide various ecosystem services. Microorganisms in wetland soils play a fundamental role in supporting wetland functions. This study found that both bacterial and fungal abundances increased with wetland age, with bacteria dominating the soil microbial communities in all ages of constructed wetlands. The stress indices showed that microbial stress may be influenced by changes in the availability of in situ nutrients in the wetland soils.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
J. J. Gonzalez-Cortes, A. Valle, M. Ramirez, D. Cantero
Summary: Nitrification-denitrification is an environmentally friendly and cost-effective method for treating landfill leachates. This study found that the nitritation rates of nitrifying biomass were reduced after adaptation to landfill leachates with heavy metals and high salt concentrations. The analysis of biomass samples revealed the presence of specific bacterial genera and families involved in nitritation and denitrification processes.
WASTE AND BIOMASS VALORIZATION
(2022)
Article
Fisheries
Tolga Sahin, Sevdan Yilmaz, Irfan Selcuk Yazici, Selcuk Berber
Summary: The present study showed that dietary supplementation of PHB did not affect the growth parameters of rainbow trout fingerlings, but significantly reduced total coliform counts and increased intestinal villus length and width. This suggests that PHB can be used as an alternative microbial control agent for improving intestinal health in rainbow trout.
JOURNAL OF THE WORLD AQUACULTURE SOCIETY
(2021)
Article
Biotechnology & Applied Microbiology
Prachi Singh, Kunal R. Jain, Jayendra Lakhmapurkar, Deepa Gavali, Chirayu Desai, Datta Madamwar
Summary: The eco-restoration of mine-tailing sites has significant effects on native microbial communities and soil physicochemical properties. A study on the microbial changes during the early stages of phytoremediation in lignite minetailing soils revealed the primary microbial succession initiated by revegetation, which improved the soil quality.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2022)
Article
Ecology
Masumi Stadler, Paul A. del Giorgio
Summary: The study reconstructed microbial succession along a land-freshwater-estuary continuum within La Romaine river watershed in Northeastern Canada, finding varying importance of assembly processes and shifting selection hotspots depending on hydrological conditions. The majority of the reactive pool could be traced to soil/soilwater-derived taxa, while the unreactive fraction was composed of taxa with diverse potential origins, highlighting the importance of upstream history and hydrological seasonality in understanding microbial community assembly on a network scale.
Article
Soil Science
Huaihai Chen, Kayan Ma, Yu Huang, Qi Fu, Yingbo Qiu, Zhiyuan Yao
Summary: Salinity in soil can impact microbial activities and community structure, influencing carbon storage and mineralization. Research has shown that with increasing salinity, there is a significant reduction in prokaryotic alpha-diversity indices, as well as alterations in prokaryotic beta-diversity. High salt concentrations have been found to increase the abundance of certain microbial groups while inhibiting others. This meta-analysis highlights the significant changes in microbial community composition in response to environmental salinization, with implications for nutrient and energy flow regulation.
Article
Microbiology
Zeina Bourhane, Christine Cagnon, Carmen Castaneda, Rafael Rodriguez-Ochoa, Jorge alvaro-Fuentes, Cristiana Cravo-Laureau, Robert Duran
Summary: Hypersaline wetlands harbor microbial communities that are well adapted to environmental fluctuations and play a vital role in biogeochemical cycles. We investigated the microbial communities in Salineta wetland (NE Spain) during dry and wet seasons. Our findings reveal microbial distribution patterns based on different redox layers and similar functional capabilities in carbon, nitrogen, and sulfur cycles.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Forestry
Chun-Yao Chen, I-Ling Lai, Shih-Chieh Chang
Summary: This study analyzed the vegetation types, soil bacterial composition, and carbon dioxide and methane fluxes in a subtropical montane peatland in Taiwan. The results showed that bacterial communities and gas fluxes varied along the bog-to-forest gradient. Soil water content and season also affected carbon fluxes. With the warming climate, changes in microbial composition and greenhouse gas budget are expected to occur in the future.
Article
Environmental Sciences
Houyun Yang, Jian Chen, Li Yu, Weihua Li, Xianhuai Huang, Qian Qin, Shuguang Zhu
Summary: Constructed wetland-microbial fuel cell system (CW-MFC) is an effective technology for domestic wastewater treatment and bioelectricity generation. This study investigated the influence of influent COD concentration, HRT, and external resistance on system performance and found the optimal operating conditions. The results showed that CW-MFC outperformed traditional CW system in terms of pollutant removal efficiency and bioelectricity production. The analysis of microbial community indicated that the enrichment of electroactive bacteria and denitrifying bacteria might contribute to the performance improvement of CW-MFC system.
ENVIRONMENTAL RESEARCH
(2022)
Review
Food Science & Technology
Aly Farag El Sheikha
Summary: Edible bird's nest is a valuable food product with high nutritional and medicinal value, attracting global attention. The nutritional components and medicinal functions of edible bird's nest vary depending on geographical origin. PCR-DGGE technique is an effective and universal tool for geo-tracing edible bird's nest quality and safety.
FOOD RESEARCH INTERNATIONAL
(2021)
Article
Multidisciplinary Sciences
Akio Ueno, Satoru Shimizu, Shuji Tamamura, Hidetoshi Okuyama, Takeshi Naganuma, Katsuhiko Kaneko
SCIENTIFIC REPORTS
(2016)
Article
Environmental Sciences
Yuki Amano, Teruki Iwatsuki, Takeshi Naganuma
GEOMICROBIOLOGY JOURNAL
(2017)
Article
Microbiology
Martin W. Hahn, Johanna Schmidt, Ulrike Koll, Manfred Rohde, Susanne Verbarg, Alexandra Pitt, Ryosuke Nakai, Takeshi Naganuma, Elke Lang
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2017)
Article
Microbiology
Takeshi Naganuma, Yoshiakira Iinuma, Hitomi Nishiwaki, Ryota Murase, Kazuo Masaki, Ryosuke Nakai
FRONTIERS IN MICROBIOLOGY
(2018)
Article
Environmental Sciences
Akio Ueno, Satoshi Tamazawa, Shuji Tamamura, Noritaka Aramaki, A. K. M. Alam Badrul, Takuma Murakami, Shinji Yamaguchi, Junya Yamagishi, Hideyuki Tamaki, Daisuke Mayumi, Takeshi Naganuma, Katsuhiko Kaneko
GEOMICROBIOLOGY JOURNAL
(2019)
Article
Microbiology
Merry Sailonga Faluaburu, Ryosuke Nakai, Satoshi Imura, Takeshi Naganuma
Article
Biochemistry & Molecular Biology
Tomohisa Ogawa, Rie Sato, Takako Naganuma, Kayeu Liu, Agness Ethel Lakudzala, Koji Muramoto, Makoto Osada, Kyosuke Yoshimi, Keiko Hiemori, Jun Hirabayashi, Hiroaki Tateno
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2019)
Article
Microbiology
Ryosuke Nakai, Takeshi Naganuma, Nozomi Tazato, Sho Morohoshi, Tomomi Koide
Article
Biochemistry & Molecular Biology
Tomohisa Ogawa, Rie Sato, Takako Naganuma, Kayeu Liu, Saho Sato, Shizuka Sakaue, Makoto Osada, Kyosuke Yoshimi, Koji Muramoto
Summary: PPL2, PPL3, and PPL4, isolated from the mantle secretory fluid of Pteria penguin pearl shell, showed unique carbohydrate binding properties and different effects on CaCO3 crystalization. While PPL3 suppressed crystal growth, PPL2A increased the number of contact polycrystalline calcite. PPL4 alone had no effect on crystalization but regulated crystal size when collaborating with specific carbohydrates.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Microbiology
Akio Ueno, Satoshi Tamazawa, Shuji Tamamura, Takuma Murakami, Tamotsu Kiyama, Hidenori Inomata, Yuki Amano, Kazuya Miyakawa, Hideyuki Tamaki, Takeshi Naganuma, Katsuhiko Kaneko
Summary: A novel mesophilic sulfate-reducing bacterium, strain HN2(T), was isolated from groundwater in Hokkaido, Japan, exhibiting unique growth conditions and diverse electron acceptor utilization patterns.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2021)
Article
Microbiology
Qi Liu, Zichen He, Takeshi Naganuma, Ryosuke Nakai, Luz Maria Rodriguez, Rafael Carreno, Franco Urbani
Summary: This study investigated the microbial diversity of opal speleothems from a silicate cave in Guiana Highlands and found that the microbial composition in silicate caves is similar to that in limestone and other silicate caves. Additionally, the study inferred metabolic features and found that membrane transport and amino acid metabolism may play important roles in the formation and weathering of silicate speleothems.
Article
Microbiology
Zichen He, Takeshi Naganuma, Ryosuke Nakai, Satoshi Imura, Megumu Tsujimoto, Peter Convey
Summary: This study compared the bacterial floras and potential metabolism of rock tripe lichens from two distinct Antarctic biological regions. The results showed clear differences in bacterial communities between the two regions and suggested that the sampling area's climate may influence the metabolism of the lichen-associated bacteria.
Review
Microbiology
Zichen He, Takeshi Naganuma
Summary: Lichens are symbiotic systems consisting of fungal and algal symbionts. The plasticity in the combination of fungal and algal species contributes to the worldwide distribution of lichens, while the association between non-cyanobacterial bacteria and lichens has attracted attention.
Article
Microbiology
Akio Ueno, Satoshi Tamazawa, Shuji Tamamura, Takuma Murakami, Tamotsu Kiyama, Hidenori Inomata, Noritaka Aramaki, Kunihiko Yoshida, Shinji Yamaguchi, Hideo Aoyama, Takeshi Naganuma, Toshifumi Igarashi
Summary: This study reported the effective conversion of chemically solubilized lignite into methane using methanogenic consortia. Adding pulverized lignite as conductive material significantly increased methane production by approximately 50-fold. This method provides an effective utilization of the neglected subterranean lignite resource.
Article
Microbiology
Ryosuke Nakai, Takatomo Fujisawa, Yasukazu Nakamura, Hiroyo Nishide, Ikuo Uchiyama, Tomoya Baba, Atsushi Toyoda, Asao Fujiyama, Takeshi Naganuma, Hironori Niki
GENOME ANNOUNCEMENTS
(2016)