Research Topics
| R J SeviourSummaryAffiliation: La Trobe University Country: Australia Publications
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Detail Information
Publications
Microbiology of the 'G-bacteria' in activated sludgeR J Seviour
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Environ Microbiol 2:581-93. 2000..The evidence on which these conclusions are founded is discussed, as are the arguments used to explain why these 'G-bacteria' all appear to thrive under conditions found in certain activated sludge systems...
Ecophysiology of the Actinobacteria in activated sludge systemsRobert J Seviour
Biotechnology Research Centre, La Trobe University, Bendigo, VIC 3502, Australia
Antonie Van Leeuwenhoek 94:21-33. 2008..Furthermore, how this information might allow us to improve how these processes work is discussed...- The microbiology of biological phosphorus removal in activated sludge systemsRobert J Seviour
Institute of Environmental Studies, Graduate School of Frontier Sciences, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113, Japan
FEMS Microbiol Rev 27:99-127. 2003..It aims to encourage microbiologists and process engineers to collaborate more closely and to bring an interdisciplinary approach to bear on this complex ecosystem... - Operating bioreactors for microbial exopolysaccharide productionRobert J Seviour
Biotechnology Research Centre, La Trobe University, Edwards Road, Bendigo, Victoria, Australia
Crit Rev Biotechnol 31:170-85. 2011..The role of fermenter configuration in their production is also examined... - The microbiology of phosphorus removal in activated sludge processes-the current state of playRobert J Seviour
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, 3552, Australia
J Microbiol 46:115-24. 2008..This article attempts to be deliberately speculative, and inevitably subjective, but hopefully at the same time useful to those who have an active interest in these environmentally very important processes... - Friedmanniella spumicola sp. nov. and Friedmanniella capsulata sp. nov. from activated sludge foam: gram-positive cocci that grow in aggregates of repeating groups of cocciA M Maszenan
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Int J Syst Bacteriol 49:1667-80. 1999..Hence, it is proposed that strain Ben 107T (= ACM 5121T) is named as Friedmanniella spumicola sp. nov. and strain Ben 108T (= ACM 5120T) as Friedmanniella capsulata sp. nov... - Phylogeny of the filamentous bacterium 'Nostocoida limicola' III from activated sludgeJ R Liu
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Int J Syst Evol Microbiol 51:195-202. 2001..limicola' I and 'N. limicola' II, activated sludge filamentous bacteria which share morphological features in common with 'N. limicola' III and which have been presumed historically to be the same or very similar bacteria... - Structure and functional analysis of the microbial community in an aerobic: anaerobic sequencing batch reactor (SBR) with no phosphorus removalY H Kong
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Syst Appl Microbiol 24:597-609. 2001..The low G+C bacteria showing anaerobic glucose assimilation ability were considered responsible for the lactic acid produced anaerobically by this SBR biomass, and M. glycogenica for its high glycogen content... - Isolates of 'Candidatus Nostocoida limicola' Blackall et al. 2000 should be described as three novel species of the genus Tetrasphaera, as Tetrasphaera jenkinsii sp. nov., Tetrasphaera vanveenii sp. nov. and Tetrasphaera veronensis sp. novC M McKenzie
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Int J Syst Evol Microbiol 56:2279-90. 2006..nov. (type strain Ben 70(T)=DSM 17518(T)=NCIMB 14127(T)) and 'Candidatus N. limicola' strains Ver 1 and Ver 2 into Tetrasphaera veronensis sp. nov. (type strain Ver 1(T)=DSM 17520(T)=NCIMB 14129(T))... - Which are the polyphosphate accumulating organisms in full-scale activated sludge enhanced biological phosphate removal systems in Australia?M Beer
Biotechnology Research Centre, La Trobe University, Bendigo, Vic, Australia
J Appl Microbiol 100:233-43. 2006..To see if the compositions of the microbial communities in full scale enhanced biological phosphorus removal activated sludge systems were the same as those from laboratory scale sequencing batch reactors fed a synthetic sewage... - Ecophysiology of polyphosphate-accumulating organisms and glycogen-accumulating organisms in a continuously aerated enhanced biological phosphorus removal processS Schroeder
Biotechnology Research Centre, La Trobe University, Bendigo, Vic, Australia
J Appl Microbiol 105:1412-20. 2008..Attempts were made to see if acetate could be replaced by an alternative carbon source which did not support the growth of the GAO... - Defluvicoccus vanus gen. nov., sp. nov., a novel Gram-negative coccus/coccobacillus in the 'Alphaproteobacteria' from activated sludgeA M Maszenan
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3550, Australia
Int J Syst Evol Microbiol 55:2105-11. 2005..vanus is considered to represent a new phylogenetic lineage within subgroup 1 of the 'Alphaproteobacteria', the D. vanus subgroup. The type strain is Ben 114(T) (=NCIMB 13612(T)=CIP 107350(T))... - The in situ physiology of "Nostocoida limicola" II, a filamentous bacterial morphotype in bulking activated sludge, using fluorescence in situ hybridization and microautoradiographyE M Seviour
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 43550, Australia
Water Sci Technol 54:47-53. 2006..There was no evidence to suggest that "N. limicola" II preferred hydrophobic substrates, but evidence was produced to support the view that it is metabolically active under anaerobic conditions in activated sludge... - Gene cassette-associated sequences from phosphorus and non-phosphorus removing microbial communities in aerobic:anaerobic sequencing batch reactorsM Beer
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Water Sci Technol 54:55-61. 2006..An ORF of unknown function (SBR6-2) was encountered in deteriorated EBPR system with an unexpectedly high frequency, comprising 35% of the gene cassette-associated sequences for that system... - Culture conditions affect the chemical composition of the exopolysaccharide synthesized by the fungus Aureobasidium pullulansD Orr
Biotechnology Research Centre, La Trobe University, Bendigo, Vic, Australia
J Appl Microbiol 107:691-8. 2009..To identify if culture conditions affect the chemical composition of exopolysaccharide (EPS) produced by Aureobasidium pullulans... - The in situ physiology of Skermania piniformis in foams in Australian activated sludge plantsKathryn L Eales
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3550, Australia
Environ Microbiol 8:1712-20. 2006..Based on the substrate uptake data presented here, an anaerobic selector may work for controlling S. piniformis in activated sludge systems... - Are some putative glycogen accumulating organisms (GAO) in anaerobic : aerobic activated sludge systems members of the alpha-Proteobacteria?Michael Beer
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Microbiology 150:2267-75. 2004..No evidence was found to support an important role for the gamma-Proteobacteria as possible GAO in these communities, although these bacterial populations have been considered in other studies to act as possible competitors for the PAO... - Role of "G-bacteria" in anaerobic substrate uptake in a SBR with no phosphorus removalY H Kong
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Water Sci Technol 46:171-8. 2002..Not all of these could assimilate glucose and/or acetate anaerobically, and Amaricoccus, the original "G-bacteria" of Cech and Hartman, was not detected... - Genomic fingerprinting of the 16S-23S gene spacer region suggests that novel Acinetobacter isolates are present in activated sludgeE Carr
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Water Sci Technol 46:449-52. 2002..The results of this study imply the existence of yet unrecognised species of Acinetobacter in activated sludge... 
Ecology of the microbial community removing phosphate from wastewater under continuously aerobic conditions in a sequencing batch reactorJohwan Ahn
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Appl Environ Microbiol 73:2257-70. 2007....- Candidatus Monilibacter spp., common bulking filaments in activated sludge, are members of Cluster III DefluviicoccusTadashi Nittami
Biotechnology Research Centre, La Trobe University, PO Box 199, Bendigo DC, Victoria 3552, Australia
Syst Appl Microbiol 32:480-9. 2009.... - FACS enrichment and identification of floc-associated alphaproteobacterial tetrad-forming organisms in an activated sludge communitySimon McIlroy
Biotechnology Research Centre, La Trobe University, Bendigo, Vic, Australia
FEMS Microbiol Lett 285:130-5. 2008.... - Filamentous bacterium Eikelboom type 0092 in activated sludge plants in Australia is a member of the phylum ChloroflexiLachlan Speirs
Biotechnology Research Centre, La Trobe University, P O Box 199, Bendigo, Victoria 3552, Australia
Appl Environ Microbiol 75:2446-52. 2009..The FISH survey data showed that these two variants appeared together in most but not all of the plants examined. None stained positively for intracellular presence of either poly-beta-hydroxyalkanoates or polyphosphate... - Pyrolysis mass spectrometry (PyMS) and 16S-23S rDNA spacer region fingerprinting suggests the presence of novel acinetobacters in activated sludgeE Carr
Biotechnology Research Centre, La Trobe University Bendigo, Victoria, Australia
Syst Appl Microbiol 24:430-42. 2001.... - Quadricoccus australiensis gen. nov., sp. nov., a beta-proteobacterium from activated sludge biomassA M Maszenan
Biotechnology Research Centre, La Trobe University, Bendigo, Vic, Australia
Int J Syst Evol Microbiol 52:223-8. 2002..Based on phenotypic and phylogenetic evidence, it is proposed that strain Ben 117T be designated a novel species in a new genus, Quadricoccus australiensis gen. nov., sp. nov.; the type strain is Ben 117T (= NCIMB 13738T = CIP 107055T)... - Design and application of oligonucleotide probes for fluorescent in situ identification of the filamentous bacterial morphotype Nostocoida limicola in activated sludgeJ R Liu
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Environ Microbiol 3:551-60. 2001..limicola II filaments which responded to the probes designed here were much thinner than the filaments conventionally 'identified' as this morphotype and better fitted the descriptions often used in the literature for N. limicola I... - Seven novel species of Acinetobacter isolated from activated sludgeEmma L Carr
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Int J Syst Evol Microbiol 53:953-63. 2003.... - Genome sequence and characterization of the Tsukamurella bacteriophage TPA2Steve Petrovski
Biotechnology Research Centre, La Trobe Institute for Molecular Sciences, La Trobe University, Bendigo, Victoria 3552, Australia
Appl Environ Microbiol 77:1389-98. 2011..The genome sequence reveals many novel genes that should inform any future discussion on Tsukamurella phage evolution... - Filamentous members of cluster III Defluviicoccus have the in situ phenotype expected of a glycogen-accumulating organism in activated sludgeSimon J McIlroy
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
FEMS Microbiol Ecol 74:248-56. 2010.... - Variation of 16S-23S rRNA intergenic spacer regions (ISRs) in Acinetobacter baylyi (strain B2) isolated from activated sludgeEmma L Carr
Biotechnology Research Centre, La Trobe University Bendigo, Victoria, Australia
Syst Appl Microbiol 27:478-91. 2004..These primers were shown to be highly specific for 3 Acinetobacter baylyi strains based on LISR sequence homogeneity... - Extracting nucleic acids from activated sludge which reflect community population diversitySimon J McIlroy
Biotechnology Research Centre, La Trobe University, P O Box 199, Bendigo, VIC 3552, Australia
Antonie Van Leeuwenhoek 96:593-605. 2009..The failure of the other methods emphasises the need to validate all DNA/RNA extraction protocols. It is recommended that several validated extraction methods be used and the extracts pooled to further minimise any risk of bias... - Gordonia defluvii sp. nov., an actinomycete isolated from activated sludge foamJacques A Soddell
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Int J Syst Evol Microbiol 56:2265-9. 2006..It is evident from the genotypic and phenotypic data that the three isolates belong to a novel Gordonia species. The name proposed for this taxon is Gordonia defluvii sp. nov.; the type strain is J4(T) (=DSM 44981(T)=NCIMB 14149(T))... - An examination of the mechanisms for stable foam formation in activated sludge systemsSteve Petrovski
Biotechnology Research Centre, La Trobe University, PO Box 199, Bendigo, Victoria 3552, Australia
Water Res 45:2146-54. 2011..The role of surfactants in foaming is poorly understood, but evidence is presented for the first time that surfactin synthesised by Bacillus subtilis may be important... - The "Nostocoida limicola" story: resolving the phylogeny of this morphotype responsible for bulking in activated sludgeR J Seviour
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Water Sci Technol 46:105-10. 2002..limicola" III is a member of the Planctomycetales. Design and application of 16S rRNA targeted probes for each to biomass samples suggests that their phylogeny is more diverse than pure culture studies would suggest... - Millisia brevis gen. nov., sp. nov., an actinomycete isolated from activated sludge foamJacques A Soddell
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Int J Syst Evol Microbiol 56:739-44. 2006..The name proposed for this taxon is Millisia brevis gen. nov., sp. nov.; strain J81T (=DSM 44463T = NRRL B-24424T) is the type strain of Millisia brevis... - Phylogeny of the filamentous bacterium Eikelboom Type 1851, and design and application of a 16S rRNA targeted oligonucleotide probe for its fluorescence in situ identification in activated sludgeMichael Beer
Biotechnology Research Centre, La Trobe University, 3552, Bendigo, Vic, Australia
FEMS Microbiol Lett 207:179-83. 2002.... - Emended description of the genus Trichococcus, description of Trichococcus collinsii sp. nov., and reclassification of Lactosphaera pasteurii as Trichococcus pasteurii comb. nov. and of Ruminococcus palustris as Trichococcus palustris comb. nov. in the loJian-Rong Liu
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Int J Syst Evol Microbiol 52:1113-26. 2002..nov. (type strain KoTa2T = DSM 2381T = ATCC 35945T), Trichococcus collinsii sp. nov. (type strain 37AN3*T = DSM 14526T = ATCC BAA-296T, and Trichococcus palustris comb. nov. (type strain Z-7189T = DSM 9172T)... - Improved permeabilization protocols for fluorescence in situ hybridization (FISH) of mycolic-acid-containing bacteria found in foamsEmma L Carr
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, 3550, Australia
J Microbiol Methods 61:47-54. 2005.... - Unique organization of the 16S-23S intergenic spacer regions of strains of Acinetobacter baylyi provides a means for its identification from other Acinetobacter speciesChristopher Maslunka
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
J Microbiol Methods 73:227-36. 2008..baylyi could then be determined. Applying the same approach to other species of Acinetobacter showed none shared the same ISR organization as A. baylyi. Its value in typing members of this genus is discussed... - Substrate uptake by Gordonia amarae in activated sludge foams by FISH-MARE L Carr
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3550, Australia
Water Sci Technol 54:39-45. 2006.... - Functional analysis of microbial communities in aerobic-anaerobic sequencing batch reactors fed with different phosphorus/carbon (P/C) ratiosYun H Kong
Biotechnology Research Centre, La Trobe University, Bendigo, 3552 Victoria, Australia
Microbiology 148:2299-307. 2002..Both the alpha- and beta-proteobacterial 'G-bacterial' populations assimilated acetate and synthesized PHA anaerobically. The alpha-Proteobacteria are considered responsible for glycogen production in these SBR systems... - Simple and safe method for simultaneous isolation of microbial RNA and DNA from problematic populationsSimon McIlroy
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
Appl Environ Microbiol 74:6806-7. 2008..It has been used successfully to isolate high-quality nucleic acids from pure cultures and environmental populations known to resist widely used extraction protocols... - Structure of epiglucan, a highly side-chain/branched (1 --> 3;1 --> 6)-beta-glucan from the micro fungus Epicoccum nigrum Ehrenb. ex SchlechtF Schmid
Biotechnology Research Centre, La Trobe University, Bendigo, Vic, Australia
Carbohydr Res 331:163-71. 2001..The structural analyses do not allow a distinction to be made between structures I and II. [structures: see text] Epiglucan displays non-Newtonian shear thinning rheological properties, typical of these glucans... - The mosaic nature of intergenic 16S-23S rRNA spacer regions suggests rRNA operon copy number variation in Clostridium difficile strainsNourkhoda Sadeghifard
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria 3552, Australia
Appl Environ Microbiol 72:7311-23. 2006..difficile... - Biochemistry and molecular biology of exocellular fungal beta-(1,3)- and beta-(1,6)-glucanasesKirstee Martin
Biotechnology Research Centre, La Trobe University, Bendigo, Victoria, Australia
FEMS Microbiol Rev 31:168-92. 2007..It also updates the earlier review by Pitson et al. (1993)... - In situ identification and characterization of the microbial community structure of full-scale enhanced biological phosphorous removal plants in JapanMan-Tak Wong
Department of Civil Engineering, National University of Singapore, Blk E1A, 07-03, Engineering Drive 2, Singapore 117576, Singapore
Water Res 39:2901-14. 2005..These non-Rhodocyclus-related PAOs included populations from other bacterial divisions and members of the Betaproteobacteria other than those in Rhodocyclus-related group... - Emended descriptions of the genus Micrococcus, Micrococcus luteus (Cohn 1872) and Micrococcus lylae (Kloos et al. 1974)Monika Wieser
, , Austria
Int J Syst Evol Microbiol 52:629-37. 2002..On the basis of the results generated in this study, emended descriptions of the genus Micrococcus and the species M. luteus and M. lylae are given...