Peter H. Janssen
AgResearch
234 Papers
1.9K Citations
Peter H. Janssen is an academic researcher from AgResearch. The author has contributed to research in topics: Biology & Rumen. The author has an hindex of 61, co-authored 218 publications. Previous affiliations of Peter H. Janssen include Max Planck Society & University of Melbourne.
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Papers
Identifying the Dominant Soil Bacterial Taxa in Libraries of 16S rRNA and 16S rRNA Genes
TL;DR: In 1909, H. Joel Conn expressed the hope that methods would soon be at hand by which the significance of the different bacteria present in any soil could be understood.
Rumen microbial community composition varies with diet and host, but a core microbiome is found across a wide geographical range
TL;DR: There were few strong co-occurrence patterns between microbes, suggesting that major metabolic interactions are non-selective rather than specific, and could make it possible to mitigate methane emissions by developing strategies that target the few dominant methanogens.
Three Genomes from the Phylum Acidobacteria Provide Insight into the Lifestyles of These Microorganisms in Soils
Naomi L. Ward,Jean F. Challacombe,Jean F. Challacombe,Peter H. Janssen,Peter H. Janssen,Bernard Henrissat,Pedro M. Coutinho,Martin Wu,Gary Xie,Gary Xie,Daniel H. Haft,Michelle Sait,Jonathan H. Badger,Ravi D. Barabote,Ravi D. Barabote,Brent Bradley,Thomas Brettin,Thomas Brettin,Lauren M. Brinkac,David Bruce,David Bruce,Todd Creasy,Sean C. Daugherty,Tanja M. Davidsen,Robert T. DeBoy,J. Chris Detter,J. Chris Detter,Robert J. Dodson,A. Scott Durkin,Anuradha Ganapathy,Michelle Gwinn-Giglio,Cliff Han,Cliff Han,Hoda Khouri,Hajnalka Kiss,Hajnalka Kiss,Sagar Kothari,Ramana Madupu,Karen E. Nelson,William C. Nelson,Ian T. Paulsen,Kevin Penn,Qinghu Ren,M. J. Rosovitz,Jeremy D. Selengut,Susmita Shrivastava,Steven A. Sullivan,Roxanne Tapia,Roxanne Tapia,L. Sue Thompson,L. Sue Thompson,Kisha Watkins,Qi Yang,Chunhui Yu,Nikhat Zafar,Liwei Zhou,Cheryl R. Kuske +56 more
TL;DR: Combining the genomic evidence with available culture traits, it is postulate that cells of these isolates are long-lived, divide slowly, exhibit slow metabolic rates under low-nutrient conditions, and are well equipped to tolerate fluctuations in soil hydration.
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Improved culturability of soil bacteria and isolation in pure culture of novel members of the divisions Acidobacteria, Actinobacteria, Proteobacteria, and Verrucomicrobia
TL;DR: Findings suggest that the maximum achievable CFU count may be as low as 64.3% of the total cell count, which is significantly lower than previously thought.
795
Influence of hydrogen on rumen methane formation and fermentation balances through microbial growth kinetics and fermentation thermodynamics
TL;DR: Analysis of the literature confirms that increased particulate passage rate is associated with higher rumen H2 concentrations, less CH4 formation, and increased importance of propionate as a fermentation endproduct, and the model suggests that the prevailing H2 concentration influences the thermodynamics of rumen fermentation.
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