Transcriptional Regulation of Methanol Dehydrogenases in the Methanotrophic Bacterium Methylococcus capsulatus Bath by Soluble and Insoluble Lanthanides.
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引用次数: 0
Abstract
The effects of soluble and insoluble lanthanides on gene expression in Methylococcus capsulatus Bath were investigated. Genes for lanthanide-containing methanol dehydrogenases (XoxF-MDHs) and their calcium-containing counterparts (MxaFI-MDHs) were up- and down-regulated, respectively, by supplementation with soluble lanthanide chlorides, indicating that M. capsulatus has the "lanthanide switch" observed in other methanotrophs. Insoluble lanthanide oxides also induced the lanthanide switch and were dissolved by the spent medium of M. capsulatus, suggesting the presence of lanthanide-chelating compounds. A transcriptome ana-lysis indicated that a gene cluster for the synthesis of an enterobactin-like metal chelator contributed to the dissolution of insoluble lanthanides.
期刊介绍：
Microbial ecology in natural and engineered environments; Microbial degradation of xenobiotic compounds; Microbial processes in biogeochemical cycles; Microbial interactions and signaling with animals and plants; Interactions among microorganisms; Microorganisms related to public health; Phylogenetic and functional diversity of microbial communities; Genomics, metagenomics, and bioinformatics for microbiology; Application of microorganisms to agriculture, fishery, and industry; Molecular biology and biochemistry related to environmental microbiology; Methodology in general and environmental microbiology; Interdisciplinary research areas for microbial ecology (e.g., Astrobiology, and Origins of Life); Taxonomic description of novel microorganisms with ecological perspective; Physiology and metabolisms of microorganisms; Evolution of genes and microorganisms; Genome report of microorganisms with ecological perspective.
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