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Journal of Clinical and Diagnostic... Nov 2015Myroides spp., previously known as Flavobacterium odoratum, are rare clinical isolates and are often considered non-pathogenic. Natural habitat includes soil, fresh and...
Myroides spp., previously known as Flavobacterium odoratum, are rare clinical isolates and are often considered non-pathogenic. Natural habitat includes soil, fresh and marine waters, in foods and in sewage treatment plants. We present an unusual case of fatal pericardial effusion due to Myroides odoratus in a patient suffering from chronic kidney disease and undergoing maintenance haemodialysis. This case is presented to show the increasing incidence of rare isolates causing localized and systemic infections and due to their high intrinsic resistance to many antibiotics they can be fatal. Thus isolation of these pathogens is of great clinical importance.
PubMed: 26672889
DOI: 10.7860/JCDR/2015/15120.6740 -
International Journal of Systematic and... Nov 2015A novel aerobic, non-motile, rod-shaped, catalase- and oxidase-positive bacterial strain, designated UKS3T, was isolated from garden soil, and subjected to polyphasic...
A novel aerobic, non-motile, rod-shaped, catalase- and oxidase-positive bacterial strain, designated UKS3T, was isolated from garden soil, and subjected to polyphasic taxonomic analysis. Strain UKS3T formed whitish, viscous colonies on nutrient agar and was Gram-staining negative. Phylogenetic analysis, based on 16S rRNA gene sequence, showed that maximum pairwise similarity occurs with representatives of the genus Myroides. The most closely related species include Myroides marinus JS-08T (92.7 % sequence similarity), Myroides phaeus MY15T (92.7 %), Myroides odoratus DSM 2801T (91.5 %) and Myroides odoratimimus CCUG 39352T (91.4 %). Strain UKS3T contained menaquinone-6 (MK-6) as the major respiratory quinone and iso-C15 : 0 (40.2 %), anteiso-C15 : 0 (9.4 %) and iso-C17 : 0 3-OH (8.5 %) as major fatty acids. Phosphatidylethanolamine, phospholipids and three aminolipids were the major polar lipids. The DNA G+C content of strain UKS3T was 36.8 ± 2.0 mol%. On the basis of phenotypic, chemotaxonomic and molecular analysis, strain UKS3T represents a novel species of the genus Myroides, for which the name Myroides indicus sp. nov., is proposed. The type strain is UKS3T ( = DSM 28213T = NCIM 5555T ).
Topics: Bacteria, Aerobic; Bacterial Typing Techniques; Base Composition; DNA, Bacterial; Fatty Acids; Flavobacteriaceae; Gardens; India; Phospholipids; Phylogeny; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Soil Microbiology; Vitamin K 2
PubMed: 26276159
DOI: 10.1099/ijsem.0.000530 -
Antonie Van Leeuwenhoek Jan 2015A Gram-negative, yellow-pigmented, rod-shaped bacteria, designated M09-0166(T)and M09-1053 were isolated from human urine samples. 16S rRNA gene sequence analysis...
A Gram-negative, yellow-pigmented, rod-shaped bacteria, designated M09-0166(T)and M09-1053 were isolated from human urine samples. 16S rRNA gene sequence analysis revealed that the isolates belong to the Myroides cluster and were closely related to Myroides phaeus DSM 23313(T) (96.3 %), Myroides odoratimimus KCTC 23053(T) (96.1 %), Myroides profundi KCTC 23066(T) (96.0 %), Myroides odoratus KCTC 23054(T) (95.4 %) and Myroides pelagicus KCTC 12661(T) (95.2 %). The major mena quinone was identified as MK-6. The major polar lipids were identified as phosphatidylethanolamine, amino lipids, and several unknown lipids, and the major fatty acids as iso-C15:0 and iso-C17:0 3-OH. Phenotypic and chemotaxonomic data supported the affiliation of the isolates with the genus Myroides and clearly indicated that two isolates represent novel species, for which the name Myroides injenensis sp. nov. (type strain, M09-0166(T) = KCTC 23367(T) = JCM 17451(T)) is proposed.
Topics: Bacterial Typing Techniques; Cluster Analysis; Cytosol; DNA, Bacterial; DNA, Ribosomal; Fatty Acids; Flavobacteriaceae; Flavobacteriaceae Infections; Humans; Molecular Sequence Data; Phospholipids; Phylogeny; Pigments, Biological; Quinones; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Urine
PubMed: 25515411
DOI: 10.1007/s10482-014-0317-y -
Infection Oct 2014Myroides sp., previously known as Flavobacterium odoratum, is a relatively unknown organism with unclear human pathogenicity. While Myroides sp. has been implicated in... (Review)
Review
Myroides sp., previously known as Flavobacterium odoratum, is a relatively unknown organism with unclear human pathogenicity. While Myroides sp. has been implicated in human infections, many reports have described the organism as a relatively avirulent opportunistic pathogen. We present an unusual case of rapidly fatal necrotizing fasciitis and septic shock due to Myroides odoratus. Our case demonstrates the pathogenicity of Myroides, and highlights potential risk factors for infection including underlying liver disease and open wounds. The recognition of Myroides is of particular importance given its resistance to multiple antibiotics. We review the literature on Myroides sp. skin and soft tissue infections, including necrotizing forms, and discuss the clinical presentation and management of this potentially emerging pathogen.
Topics: Anti-Bacterial Agents; California; Diagnosis, Differential; Fasciitis, Necrotizing; Fatal Outcome; Female; Flavobacteriaceae; Flavobacteriaceae Infections; Humans; Microbial Sensitivity Tests; Middle Aged; Shock, Septic
PubMed: 24806817
DOI: 10.1007/s15010-014-0626-0