Research article2024Peer reviewedOpen access

Comparative study of high-solid anaerobic digestion at laboratory and industrial scale - Process performance and microbial community structure

Perman, Ebba; Westerholm, Maria; Liu, Tong et al.

Review article2023Peer reviewedOpen access

Microbiological and Technological Insights on Anaerobic Digestion of Animal Manure: A Review

Song, Yapeng; Qiao, Wei; Westerholm, Maria et al.

Editorial2023Peer reviewedOpen access

Editorial: Exploring the role, function, and behavior of the anaerobic microbiota: Species, communities, networks, biotechnological potential, and biomedical aspects

Wagner, Andreas Otto; Westerholm, Maria; Stres, Blaz et al.

Research article2023Peer reviewedOpen access

Syntrophic entanglements for propionate and acetate oxidation under thermophilic and high-ammonia conditions

Singh, Abhijeet; Schnurer, Anna; Dolfing, Jan et al.

Book chapter2023Open access

Microbial degradation of lignocellulose in natural and engineered systems - from the smallest to the biggest bioreactor

Review article2022Peer reviewedOpen access

Syntrophic propionate-oxidizing bacteria in methanogenic systems

Westerholm, Maria; Calusinska, Magdalena; Dolfing, Jan.

Research article2022Peer reviewedOpen access

Miniphocaeibacter halophilus sp. nov., an ammonium- tolerant acetate- producing bacterium isolated from a biogas system

Schnurer, Anna; Singh, Abhijeet; Bi, Shaojie et al.

Research article2022Peer reviewed

Upgrading the performance of high solids feeding anaerobic digestion of chicken manure under extremely high ammonia level

Song, Yapeng; Hu, Wanrong; Qiao, Wei et al.

Research article2021Peer reviewedOpen access

Anaerobic Digestion of Animal Manure and Influence of Organic Loading Rate and Temperature on Process Performance, Microbiology, and Methane Emission From Digestates

Ahlberg-Eliasson, Karin; Westerholm, Maria; Isaksson, Simon et al.

Editorial2021Peer reviewedOpen access

Editorial: Exploring the Role and Function of the Microbiota in Terrestrial Anaerobic Environments and Their Potential Biotechnological Application

Wagner, Andreas Otto; Westerholm, Maria; Stres, Blaz et al.

Research article2021Peer reviewedOpen access

Enrichment and description of novel bacteria performing syntrophic propionate oxidation at high ammonia level

Singh, Abhijeet; Schnurer, Anna; Westerholm, Maria.

Research article2021Peer reviewed

The metabolic performance and microbial communities of anaerobic digestion of chicken manure under stressed ammonia condition: A case study of a 10-year successful biogas plant

Bi, Shaojie; Westerholm, Maria; Hu, Wanrong et al.

Research article2020Peer reviewedOpen access

Inoculum source determines acetate and lactate production during anaerobic digestion of sewage sludge and food waste

Moestedt, Jan; Westerholm, Maria; Isaksson, Simon et al.

Research article2020Peer reviewedOpen access

Comparative study of industrial-scale high-solid biogas production from food waste: Process operation and microbiology

Westerholm, M.; Liu, T.; Schnurer, A..

Research article2020Peer reviewed

High rate anaerobic digestion of swine wastewater in an anaerobic membrane bioreactor

Jiang, Mengmeng; Westerholm, Maria; Qiao, Wei et al.

Research article2020Peer reviewedOpen access

Metabolic performance of anaerobic digestion of chicken manure under wet, high solid, and dry conditions

Bi, Shaojie; Westerholm, Maria; Qiao, Wei et al.

Research article2019Peer reviewedOpen access

Enhancing anaerobic digestion of dairy and swine wastewater by adding trace elements: evaluation in batch and continuous experiments

Wang, Jing; Westerholm, Maria; Qiao, Wei et al.

Report2019

Dry digestion of food waste

Persson, Emelie; Westerholm, Maria; Schnürer, Anna et al.

Research article2019Peer reviewedOpen access

Effects of thermal hydrolytic pre-treatment on biogas process efficiency and microbial community structure in industrial- and laboratory-scale digesters

Westerholm, Maria; Castillo, M.d.P.; Chan Andersson, A. et al.

Book chapter2019Peer reviewedOpen access

Microbial Responses to Different Operating Practices for Biogas Production Systems

Westerholm, Maria; Schnürer, Anna.

Research article2019Peer reviewed

Enhanced methanogenic performance and metabolic pathway of high solid anaerobic digestion of chicken manure by Fe2+ and Ni2+ supplementation

Bi, Shaojie; Westerholm, Maria; Qiao, Wei et al.

Research article2019Peer reviewed

Growth Characteristics and Thermodynamics of Syntrophic Acetate Oxidizers

Westerholm, Maria; Dolfing, Jan; Schnurer, Anna.

Research article2019Peer reviewed

The correlation of methanogenic communities' dynamics and process performance of anaerobic digestion of thermal hydrolyzed sludge at short hydraulic retention times

Wandera, Simon M.; Westerholm, Maria; Qiao, Wei et al.

Research article2018Peer reviewed

An explanation of the methanogenic pathway for methane production in anaerobic digestion of nitrogen-rich materials under mesophilic and thermophilic conditions

Yin, Dong-Min; Westerholm, Maria; Qiao, Wei et al.

Book chapter2018Peer reviewed

Syntrophaceticus

Westerholm, Maria; Roos, Stefan; Schnürer, Anna.

Research article2018Peer reviewedOpen access

Microbial community adaptability to altered temperature conditions determines the potential for process optimisation in biogas production

Westerholm, M.; Isaksson, S.; Lindsjo, O. Karlsson et al.

Research article2018Peer reviewedOpen access

Detection of novel syntrophic acetate-oxidizing bacteria from biogas processes by continuous acetate enrichment approaches

Westerholm, Maria; Mueller, Bettina; Singh, Abhijeet et al.

Research article2018Peer reviewed

Impact of temperature and substrate concentration on degradation rates of acetate, propionate and hydrogen and their links to microbial community structure

Zhao, Jing; Westerholm, Maria; Qiao, Wei et al.

Conference paper2017Peer reviewedOpen access

Microbial community ability to adapt to altered temperature conditions influences operating stability in anaerobic digestion

Westerholm, Maria; Isaksson, Simon; Sun, Li et al.;Yan, J (ed.);Sun, F (ed.);Chou, SK (ed.); et al.

Research article2016Peer reviewedOpen access

Bacterial community composition and fhs profiles of low- and high-ammonia biogas digesters reveal novel syntrophic acetate-oxidising bacteria

Müller, Bettina; Sun, Li; Westerholm, Maria et al.

Research article2016Peer reviewed

Microbial community dynamics linked to enhanced substrate availability and biogas production of electrokinetically pre-treated waste activated sludge

Westerholm, Maria; Crauwels, Sam; Houtmeyers, Sofie et al.

Research article2016Peer reviewed

Microwave and ultrasound pre-treatments influence microbial community structure and digester performance in anaerobic digestion of waste activated sludge

Westerholm, Maria; Crauwels, Sam; Van Geel, Maarten et al.

Research article2016Peer reviewedOpen access

Biogas production through syntrophic acetate oxidation and deliberate operating strategies for improved digester performance

Westerholm, Maria; Moestedt, Jan; Schnürer, Anna.

Research article2016Peer reviewedOpen access

Ammonia threshold for inhibition of anaerobic digestion of thin stillage and the importance of organic loading rate

Moestedt, Jan; Müller, Bettina; Westerholm, Maria et al.

Research article2015Peer reviewedOpen access

Trace element and temperature effects on microbial communities and links to biogas digester performance at high ammonia levels

Westerholm, Maria; Müller, Bettina; Isaksson, Simon et al.

Research article2014Peer reviewedOpen access

Dual investigation of methanogenic processes by quantitative PCR and quantitative microscopic fingerprinting

Sung Kim, Yong; Westerholm, Maria; Scherer, Paul.

Research article2014Peer reviewed

Syntrophic acetate oxidation in industrial CSTR biogas digesters

Sun, Li; Müller, Bettina; Westerholm, Maria et al.

Doctoral thesis2012Open access

Biogas production through the syntrophic acetate-oxidising pathway : characterisation and detection of syntrophic acetate-oxidising bacteria

Westerholm, Maria.

Research article2012Peer reviewedOpen access

Bioaugmentation of Syntrophic Acetate-Oxidizing Culture in Biogas Reactors Exposed to Increasing Levels of Ammonia

Westerholm, Maria; Leven, Lotta; Schnürer, Anna.

Research article2012Peer reviewed

Improved biogas production from whole stillage by co-digestion with cattle manure

Westerholm, Maria; Schnürer, Anna; Hansson, Mikael.

Research article2011Peer reviewedOpen access

Quantification of syntrophic acetate-oxidizing microbial communities in biogas processes

Westerholm, Maria; Dolfing, Jan; Sherry, Angela et al.

Research article2011Peer reviewedOpen access

Changes in the Acetogenic Population in a Mesophilic Anaerobic Digester in Response to Increasing Ammonia Concentration

Westerholm, Maria; Müller, Bettina; Arthurson, Veronica et al.

Research article2011Peer reviewed

Tepidanaerobacter acetatoxydans sp. nov., and anaerobic, syntrophic acetate-oxidizing bacterium isolated from two ammonium-enriched mesophilic methanogenic processes

Westerholm, Maria; Roos, Stefan; Schnürer, Anna.

Research article2010Peer reviewed

Syntrophaceticus schinkii gen. nov., sp nov., an anaerobic, syntrophic acetate-oxidizing bacterium isolated from a mesophilic anaerobic filter

Westerholm, Maria; Roos, Stefan; Schnürer, Anna.