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A 16S rDNA sequence‐based investigation of methanogenic Archaea in the human stools found Methanobrevibacter smithii in 99.2% and Methanosphaera stadtmanae in 32.6%. The recently described Methanomassiliicoccus luminyensis found by others to be representative of a new order of methanogenic Archaea was found in 4% of stool specimens. The prevalence of M. luminyensis significantly increased with age,...
Dridi B, Raoult D, Drancourt M. Matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometry identification of Archaea: towards the universal identification of living organisms. APMIS 2012; 120: 85–91.
Matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometry (MALDI‐TOF‐MS) identification of Archaea has been limited to some environmental extremophiles belonging...
In this work, we review the state of knowledge of Archaea associated with the human microbiome. These prokaryotes, initially discovered in extreme environments, were named Archaea because these environments were thought to be the most primitive on Earth. Further research revealed that this terminology is misleading because these organisms were later found in various non-extreme environments, including...
The plant pathogenic bacteria Dickeya dadantii is also a pathogen of the pea aphid Acyrthosiphon pisum. The genome of the bacteria contains four cyt genes, encoding homologues of Bacillus thuringiensis Cyt toxins, which are involved in its pathogenicity to insects. We show here that these genes are transcribed as an operon, and we determined the conditions necessary for their expression. Their expression...
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