Faculty Profiles - MAEDA Toshinari

Papers - MAEDA Toshinari

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Effect of Photo Irradiation on the Anaerobic Digestion of Waste Sewage Sludge-Reduced Methane and Hydrogen Sulfide Productions Invited Reviewed International journal

Toya S., Iriguchi S., Yamaguchi K., Maeda T.

Fermentation 9 ( 11 ) 2023.11

Quorum quenching of autoinducer 2 increases methane production in anaerobic digestion of waste activated sludge Reviewed International journal

Sarah Sabidi, Yuki Hoshiko, Toshinari Maeda

Applied Microbiology and Biotechnology ( Springer ) 106 ( 12 ) 4763 - 4774 2022.06

Genomic insights into pigmented Serratia marcescens strains isolated from patients in northeast Mexico Reviewed International journal

Sánchez-Pérez M., Andrade A., Flores-Maldonado O., de Anda-Mora K., García-Contreras R., Maeda T., Becerril-García M.A., Tavares-Carreón F.

Microbial Pathogenesis 203 2025.06

Evaluating greenhouse gas reduction in Seremban, Malaysia: A pilot study on biogas production from organic municipal solid waste Reviewed International journal

Samsuri I.A., Yusoff M.Z.M., Hassan M.A., Sharaai A.H., Ramli N., Ahmad Farid M.A., Abd Hamid M.A., Maeda T.

Energy for Sustainable Development 86 2025.06

Novel insights into indigenous phenol-degrading bacteria from palm oil mill effluent and their potential mechanisms for efficient phenol degradation Reviewed International journal

Sabri I., Ng K.X., Ku Mohammad Soffi N., Mohd Yusoff M.Z., Nor Muhammad N.A., Ho L.S., Maeda T., Ramli N.

Environmental Technology and Innovation 37 2025.02

Microbial Population Dynamics of the Low-strength Partial Nitritation System and Its Correlation of Nitrifiers to the Model-predicted Biomass Reviewed International journal

Pham Thi Yen, Maeda Toshinari, Sun Meng, Terashima Mitsuharu, Goel Rajeev, Yasui Hidenari

Journal of Water and Environment Technology ( Japan Society on Water Environment ) 23 ( 2 ) 94 - 106 2025.01

Language：English Publishing type：Research paper (scientific journal)

Using a lab-scale activated sludge system equipped with an external selector for suppressing nitrite oxidising organism (NOO), the microbial population dynamics were investigated during about 400 days of the continuous operation. In the varied selector operations and excess sludge withdrawal, the nitrification, partial nitritation, and nitrification loss followed by the recovery of partial nitritation consecutively took place. The DNA analysis with the high-throughput sequencing revealed that only Nitrosomonas spp. retained during the nitritation–nitrification and only Nitrospira spp. could grow in nitrification, respectively. Proteobacteria was the most predominant heterotroph in the main aeration tank, whilst Bacteroidota was abundant in the external selector in association with the reduced microbial diversities. In the external selector, due to the high nitrite and ammonium, the ammonium oxidising organism’s (AOO) inherent enzyme genes (Amo and Hao) per total microbial gene copies were as low as about 50% of that in the main aeration tank. The dynamically calculated AOO and NOO concentrations using the IWA-ASM1-based model could be linearly correlated to both relative abundances in the activated sludge. The correlations suggested that the DNA analysis could be potentially utilised as an alternative tool to estimate the nitrifier biomass of activated sludge instead of performing kinetic modelling.

DOI： 10.2965/jwet.24-136

Scopus

CiNii Research

Other Link： https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105003450973&origin=inward

Effect of Biochar Addition in Two Different Phases of the Co-Composting of Green Waste and Food Waste: An Analysis of the Process, Product Quality and Microbial Community Reviewed International journal

Oviedo-Ocaña E.R., Soto-Paz J., Parra-Orobio B.A., Zafra G., Maeda T., Galezo-Suárez A.C., Diaz-Larotta J.T., Sanchez-Torres V.

Waste and Biomass Valorization 2025.01

Whole genome sequencing of methicillin-resistant Staphylococcus aureus clinical isolates from Terengganu, Malaysia, indicates the predominance of the EMRSA-15 (ST22-SCCmec IV) clone Reviewed International journal

Che Hamzah A.M., Chew C.H., Al-Trad E.I., Puah S.M., Chua K.H., Nor N.I., Ismail S., Maeda T., Palittapongarnpim P., Yeo C.C.

Scientific Reports 14 ( 1 ) 2024.12

Transplant of gut microbiota ameliorates metabolic and heart disorders in rats fed with a hypercaloric diet by modulating microbial metabolism and diversity Reviewed International journal

Peña-Ocaña B.A., Silva-Flores M., Shotaro T., García-Gálvez L., Hernández-Esquivel L., Robledo-Cadena D.X., Barrera-Oviedo D., Pérez-Torres I., Tostado-Islas O., Maeda T., Rodríguez-Zavala J.S., Marín-Hernández Á., García-Contreras R., Jasso-Chávez R.

Biomedicine and Pharmacotherapy 181 2024.12

Novel Insights into Cr(VI)-Induced Rhamnolipid Production and Gene Expression in Pseudomonas aeruginosa RW9 for Potential Bioremediation Reviewed International journal

Arisah F.M., Ramli N., Ariffin H., Maeda T., Farid M.A.A., Yusoff M.Z.M.

Journal of Microbiology and Biotechnology 34 ( 9 ) 1877 - 1889 2024.09

Antibacterial mechanism of Pseudomonas aeruginosa UKMP14T rhamnolipids against multidrug resistant Acinetobacter baumannii Reviewed International journal

Firdose A., Maeda T., Sukri M.A.M., Yasin N.H.M., Sabturani N., Aqma W.S.

Microbial Pathogenesis 193 2024.08

Improved complete genome sequence of Bdellovibrio bacteriovorus 109J, a widely studied laboratory strain of predatory bacteria Reviewed

Hoshiko Y., Okuno M., Yamamoto T., Maeda T., Ogura Y.

Microbiology Resource Announcements 13 ( 6 ) 2024.06

An innovative temperature control strategy to improve optically pure L-lactic acid production from food waste Reviewed International journal

Wang X., Sun H., Narita J.y., Ma X., Gao M., Maeda T., Wang Q.

Process Biochemistry 141 112 - 117 2024.06

Rhamnolipids production by Pseudomonas aeruginosa RW9 using palm oil mill effluent sludge oil as a carbon source Reviewed International journal

Mohd Asmadi N.A.N., Zee K.M., Baskaran S.M., Ariffin H., Wasoh H., Maeda T., Hassan M.A., Zakaria M.R.

Biocatalysis and Agricultural Biotechnology 57 2024.04

Identification of skin bacterial profiles of early deceased bodies and the rto post-mortem interval Reviewed International journal

Chong C.K., Emamjomeh M., Joseph N., Siew S.F., Maeda T., Mustapha N.A., Hoshiko Y., Muthanna A., Amin-Nordin S.

Tropical Biomedicine 41 ( 1 ) 109 - 117 2024.01

CO2 Sequestration by Thermophilic Enriched Methanogens in Activated Sludge for Methane Production Reviewed

Koya Masahiro, Koyakumaru Saki, Maeda Toshinari

Journal of Environmental Biotechnology ( Japan Sciety for Environmental Biotechnology ) 24 ( 1 ) 97 - 103 2024.01

Authorship：Last author,　Corresponding author Language：English Publishing type：Research paper (scientific journal)

In this study, we examined the anaerobic incubation of waste-activated sludge (WAS) under thermophilic conditions. First, we reconfirmed CO2 sequestration using WAS without any enrichment process at different temperatures under mixed gases (CO2:H2 = 1:4). We observed that the methanogens, which were previously enriched at 37°C, displayed strong CO2 sequestration at an early incubation time. Although CO2 sequestration at 60°C showed the largest impact after 6 days, no methane production was observed at each thermophilic condition within 4 days. Therefore, we enriched methanogens using a novel WAS protocol for 10 days under nitrogen gas under thermophilic conditions. These methanogens displayed better CO2 sequestration than the original strain at 37°C. Moreover, methane production by the thermophilic methanogens was due to the hydrogenotrophic pathway rather than the acetoclastic one because low methanogenic activity from acetate was observed. Microbial community structure analysis showed that the Methanothermobacter genus belonging to hydrogenotrophic methanogens was predominant among the thermophilic enriched methanogens at 60°C. Taken together, the thermophilic methanogens can be a useful tool to sequestrate CO2 efficiently.

DOI： 10.50963/jenvbio.24.1_97

CiNii Research

Pseudomonas aeruginosa-mediated cr(VI) bioremediation: mechanistic insights and future directions Reviewed International journal

Mat Arisah F., Ramli N., Ariffin H., Maeda T., Ahmad Farid M.A., Yusoff M.Z.M.

Bioremediation Journal 2024.01

Assessing microbial biodiversity in oil palm seedlings using oil palm waste compost mixed media Reviewed International journal

Salamat S.S., Yusoff M.Z.M., Hassan M.A., Zainudin M.H.M., Shirai Y., Mohd Hanif A.H., Norizan M.S., Arisah F.M., Farid M.A.A., Maeda T., Mat Isa M.N., Abu Bakar M.F.

International Journal of Recycling of Organic Waste in Agriculture 13 ( Special Issue ) 2024.01

Impact of antibiotics on methane produced from cellulose Reviewed International journal

Zhu Q., Maeda T., Chen C., Wang Y., Tan F., Hu G., He M.

Journal of Renewable and Sustainable Energy 15 ( 6 ) 2023.11

Insights into bacterial community metatranscriptome and metabolome in river water influenced by palm oil mill effluent final discharge Reviewed International journal

Sharuddin S.S., Ramli N., Yusoff M.Z.M., Muhammad N.A.N., Ho L.S., Maeda T.

Journal of applied microbiology 134 ( 10 ) 2023.10

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