<i>Massilia timonae</i>
            gen. nov., sp. nov., Isolated from Blood of an Immunocompromised Patient with Cerebellar Lesions

Scola, Bernard La; Birtles, Richard; Mallet, M N; Raoult, Didier

doi:10.1128/jcm.36.10.2847-2852.1998

Cited by 156 publications

(108 citation statements)

References 17 publications

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“…Massilia timonae infects immunocompromised patients (Lindquist et al ., 2003). This novel N‐AHSL‐producing genus is related to two non‐pathogenic soil organisms, Duganella zoogloeoides and Telluria mixta (La Scola et al ., 1998). Interestingly, no V. paradoxus strains have been identified as N‐AHSL producer before.…”

Section: Resultsmentioning

confidence: 99%

Diversity of N‐acyl homoserine lactone‐producing and ‐degrading bacteria in soil and tobacco rhizosphere

d'Angelo-Picard

Faure

Penot

et al. 2005

Environmental Microbiology

132

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SummaryIn Gram-negative bacteria, quorum-sensing (QS) communication is mostly mediated by N-acyl homoserine lactones (N-AHSL). The diversity of bacterial populations that produce or inactivate the N-AHSL signal in soil and tobacco rhizosphere was investigated by restriction fragment length polymorphism (RFLP) analysis of amplified 16S DNA and DNA sequencing. Such analysis indicated the occurrence of N-AHSL-producing strains among the a -, b -and gproteobacteria, including genera known to produce N-AHSL ( Rhizobium , Sinorhizobium and Pseudomonas ) and novel genera with no previously identified N-AHSL-producing isolates ( Variovorax , Sphingomonas and Massilia ). The diversity of N-AHSL signals was also investigated in relation to the genetic diversity of the isolates. However, N-AHSL-degrading strains isolated from soil samples belonged to the Bacillus genus, while strains isolated from tobacco rhizospheres belonged to both the Bacillus genus and to the a subgroup of proteobacteria, suggesting that diversity of N-AHSL-degrading strains may be modulated by the presence of the tobacco plant. Among these rhizospheric isolates, novel N-AHSL-degrading genera have been identified ( Sphingomonas and Bosea ). As the first simultaneous analysis of both N-AHSL-degrading and -producing bacterial communities in a complex environment, this study revealed the coexistence of bacterial isolates, belonging to the same genus or species that may produce or degrade N-AHSL.

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Section: Resultsmentioning

confidence: 99%

Diversity of N‐acyl homoserine lactone‐producing and ‐degrading bacteria in soil and tobacco rhizosphere

d'Angelo-Picard

Faure

Penot

et al. 2005

Environmental Microbiology

132

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“…Additionally, identified microorganisms found in a Nigerian noma lesion study were also isolated (GenBank closest neighbor similarities: Kocuria sp., 97%; Microbacterium arborescens, 98%; Sphingomonas sp., 96%) (79). At Erdemli, Turkey, Kocuria rosea, Corynebacterium aquaticum (opportunistic, urinary tract infections, sepsis), and Massilia timonae (which has been isolated from the blood of an immunocompromised patient) were isolated during dust events (82,133,162,226). Other desert dust studies included isolates of Bacillus, although no specific species-level pathogenic identifications were made (20,190).…”

Section: Pathogens Bacteriamentioning

confidence: 99%

Atmospheric Movement of Microorganisms in Clouds of Desert Dust and Implications for Human Health

2007

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SUMMARYBillions of tons of desert dust move through the atmosphere each year. The primary source regions, which include the Sahara and Sahel regions of North Africa and the Gobi and Takla Makan regions of Asia, are capable of dispersing significant quantities of desert dust across the traditionally viewed oceanic barriers. While a considerable amount of research by scientists has addressed atmospheric pathways and aerosol chemistry, very few studies to determine the numbers and types of microorganisms transported within these desert dust clouds and the roles that they may play in human health have been conducted. This review is a summary of the current state of knowledge of desert dust microbiology and the health impact that desert dust and its microbial constituents may have in downwind environments both close to and far from their sources.

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“…The family Oxalobacteraceae is classified as a member of the order Burkholderiales, class Betaproteobacteria and phylum Proteobacteria [6]. The family consists of Gram-stain-negative bacteria that are most commonly non-spore-forming, mesophilic species [7]. Since the incorporation of the genus Massilia, many additional species have been added and, with its 41 named and described species, Massilia is the most species-rich genus of the Oxalobacteraceae [8].…”

Section: Introductionmentioning

confidence: 99%

“…The first Massilia species was isolated from the blood of an immunocompromised patient in 1998 [7]. Massilia is a niche divergent family of bacteria and, since their first discovery, species of the genus Massilia have been isolated from marama bean and poplar tissue samples [12,13], water [14,15], air [16] and ice cores [17].…”

Section: Introductionmentioning

confidence: 99%

Massilia arenosa sp. nov., isolated from the soil of a cultivated maize field

Raths

Peta

Bücking

2020

International Journal of Systematic and Evolutionary Microbiology

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Strain MC02T, a Gram-stain-negative, rod-shaped bacterium, was isolated from field soil collected from California, USA. To examine if MC02T represents a novel species, we compared its colony morphology, 16S rRNA gene and whole genome sequence, and its metabolic phenotype using Biolog GenIII and MALDI-TOF analyses compared to reference strains. Based on 16S rRNA gene and whole genome sequencing, MC02T belongs to the genus Massilia and Massilia agri K-3–1T is the most similar strain with 96.97 % 16S rRNA gene sequence identity. MALDI-TOF analysis revealed that Massilia aerilata DSM19289T is the closest match, but the similarity score was much lower than the ≥1.7 threshold for a reliable identification at the genus level. The predominant fatty acids were summed feature 3 (C16 : 1⍵7c and/or C16 : 1⍵6c; 49.07 %) and C16 : 0 (30.01 %). The genome is 5.02 Mbp and the G+C content is 66.2 mol%. Whole genome comparisons to the closest related strains revealed an average amino acid identity value of 67.4 %, an OrthoANI similarity of 77.1 %, and a DNA–DNA-hybridization probability ≥70 %, confirming that MC02T represents a novel species. Strain MC02T can grow at pH 6 but not at pH 5, and a salt concentration of ≥1 % inhibits its growth. In contrast to other Massilia strains, MC02T can utilize turanose, inosine and l-serine. The genome of MC02T shows putative endophyte genes such as a nitrate reductase, several phosphatases, and biotin biosynthesis genes, 26 flagellar motility genes and 14 invasion and intracellular resistance genes. Based on its metabolic, physiological and genomic characteristics, we propose that strain MC02T (NRRL B-65554T=ATCC TSD-200T=LMG 31737T) represents a novel species of the genus Massilia with the name Massilia arenosa sp. nov.

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Massilia timonae gen. nov., sp. nov., Isolated from Blood of an Immunocompromised Patient with Cerebellar Lesions

Cited by 156 publications

References 17 publications

Diversity of N‐acyl homoserine lactone‐producing and ‐degrading bacteria in soil and tobacco rhizosphere

Diversity of N‐acyl homoserine lactone‐producing and ‐degrading bacteria in soil and tobacco rhizosphere

Atmospheric Movement of Microorganisms in Clouds of Desert Dust and Implications for Human Health

Massilia arenosa sp. nov., isolated from the soil of a cultivated maize field

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