Micromonospora
               
            
            sediminicola sp. nov., isolated from marine sediment

Supong, Khomsan; Suriyachadkun, Chanwit; Tanasupawat, Somboon; Suwanborirux, Khanit; Pittayakhajonwut, Pattama; Kudo, Takuji; Thawai, Chitti

doi:10.1099/ijs.0.041103-0

Cited by 19 publications

(10 citation statements)

References 38 publications

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“…An actionbacterial core microbiome dominated by FJ479147_g, HQ 674860_g, HQ910322_g , Arthrobacter, Blastococcus, Geodermatophilus, Gordonia, Microbacterium and Verrucosispora (a phylogenetic relative of the genus Micromonospora 45 ) defined the sampling sites. The genera Friedmaniella , Nocardioides , Sanguibacter , Sporichthya and Streptomyces were relatively abundant in the extreme hyper-arid core microbiome and the genera Aciditerramonas and Corynebacterium in the hyper-arid core microbiome.…”

Section: Discussionmentioning

confidence: 99%

Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert

Idris

Goodfellow

Sanderson

et al. 2017

Sci Rep

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The Atacama Desert is the most extreme non-polar biome on Earth, the core region of which is considered to represent the dry limit for life and to be an analogue for Martian soils. This study focused on actinobacteria because they are keystone species in terrestrial ecosystems and are acknowledged as an unrivalled source of bioactive compounds. Metagenomic analyses of hyper-arid and extreme hyper-arid soils in this desert revealed a remarkable degree of actinobacterial ‘dark matter’, evidenced by a detected increase of 34% in families against those that are validly published. Rank-abundance analyses indicated that these soils were high-diversity habitats and that the great majority of designated ‘rare’ genera (up to 60% of all phylotypes) were always rare. These studies have enabled a core actinobacterial microbiome common to both habitats to be defined. The great majority of detected taxa have not been recovered by culture dependent methods, neither, with very few exceptions, has their functional ecology been explored. A microbial seed bank of this magnitude has significance not just for Atacama soil ecosystem resilience but represents an enormous untapped resource for biotechnology discovery programmes in an era where resistance to existing antibiotics is rapidly becoming a major threat to global health.

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Section: Discussionmentioning

confidence: 99%

Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert

Idris

Goodfellow

Sanderson

et al. 2017

Sci Rep

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“…Furthermore, a low level of DNA–DNA relatedness (forward: 20.3–23.3 %, reciprocal: 32.5–35.1 %) was observed between strain 274745 T and M. pattaloongensis JCM 12833 T . However, DNA–DNA hybridization was not performed between strain 274745 T and M. pisi GUI 15 T , because of their divergence in the phylogenetic tree of gyrB gene sequences and the low similarity (97.8 %) of 16S rRNA gene sequences; representatives of species of the genus Micromonospora sharing much higher 16S rRNA gene sequence similarities (98.1–99.6 %) with strain 274745 T all have DNA–DNA relatedness values well below the recommended 70 % cut-off point for delineating species (Thawai et al , 2008; Songsumanus et al , 2011; Wang et al , 2011; Carro et al , 2012; Everest & Meyers, 2012; Songsumanus et al , 2013; Supong et al , 2013; Zhang et al , 2012). Moreover, the old tarnished value of 97 % 16S rRNA gene sequence similarity has been overturned by statistical comparison of 16S rRNA gene sequence similarities and DNA–DNA reassociation values, and a new threshold range of 98.7–99 % has been recommended as the point at which DNA–DNA reassociation experiments should be mandatory for testing the genomic uniqueness of a novel isolate (Stackebrandt & Ebers, 2006; Xi et al , 2011).…”

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confidence: 99%

Micromonospora sonneratiae sp. nov., isolated from a root of Sonneratia apetala

Yu-qi

et al. 2013

International Journal of Systematic and Evolutionary Microbiology

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A novel endophytic actinomycete, strain 274745 T , was isolated from a root of Sonneratia apetala collected in a mangrove forest in Sanya, Hainan province, China. The 16S rRNA gene sequence of strain 274745T showed the greatest similarity to Micromonospora pattaloongensis TJ2-2 T (98.3 %). Phylogenetic analysis based on the gyrB gene also supported the close relationship of these two strains. The predominant menaquinone was MK-10(H 8 ) and the major fatty acids were iso-C 15 : 0 , C 17 : 0 and anteiso-C 15 : 0 . The characteristic whole-cell sugars were xylose and mannose. The cell wall contained meso-diaminopimelic acid and glycine. The polar lipid profile mainly comprised phosphatidylethanolamine, phosphatidylinositol and diphosphatidylglycerol. The DNA G+C content was 71.6 mol%. Furthermore, a combination of DNA-DNA relatedness and some physiological and biochemical properties indicated that the novel strain could be readily distinguished from the closest phylogenetic relatives. On the basis of these phenotypic and genotypic data, strain 274745 T represents a novel species of the genus Micromonospora, for which the name Micromonospora sonneratiae sp. nov. is proposed. The type strain is 274745 T (5CCTCC AA 2012003 T 5DSM 45704 T ).

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“…Members of this genus typically exhibit single, non-motile spores on the substrate mycelium and lack aerial mycelium (Ren et al , 2013). At the time of writing, a total of 55 species in the genus Micromonospora have validly published names, including the recently described Micromonospora polyrhachis (Xiang et al , 2014), Micromonospora wenchangensis (Ren et al , 2013), Micromonospora equina (Everest & Meyers, 2013), Micromonospora schwarzwaldensis (Gurovic et al , 2013), Micromonospora sonneratiae (Li et al , 2013), Micromonospora sediminicola (Supong et al , 2013), Micromonospora kangleipakensis (Nimaichand et al , 2013). Members of the genus Micromonospora are widely distributed in different environments, but so far no species has been discovered in mine soils contaminated with heavy metals.…”

mentioning

confidence: 99%

Micromonospora nickelidurans sp. nov., isolated from soil from a nickel-mining site

Lin

Fan

Guo

et al. 2015

International Journal of Systematic and Evolutionary Microbiology

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T . This strain harboured meso-diaminopimelic acid, alanine and glycine as the major cell-wall amino acids, xylose and glucose as the characteristic whole-cell sugars, and iso-C 15 : 0 (20.53 %),iso-C 17 : 0 (12.74 %), iso-C 16 : 0 (12.15 %), anteiso-C 17 : 0 (7.97 %), C 17 : 1 v8c (7.49 %) and C 17 : 0 (6.63 %) as the dominant fatty acids. The major menaquinones were MK-10(H 4 ) and MK-10(H 6 ). The phospholipid profile comprised phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylinositol, phosphatidylglycerol and unknown phosphoglycolipids. The DNA G+C content was 71.4 mol%. A comprehensive analysis of several physiological and biochemical traits and DNA-DNA relatedness indicated that strain K55T was different from closely related species. These phenotypic, genotypic and chemotaxonomic data suggest that strain K55 T represents a novel species of the genus Micromonospora, for which the name Micromonospora nickelidurans sp. nov., is proposed. The type strain is K55 T (5JCM 30559 T 5ACCC19713 T ).

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Micromonospora sediminicola sp. nov., isolated from marine sediment

Cited by 19 publications

References 38 publications

Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert

Actinobacterial Rare Biospheres and Dark Matter Revealed in Habitats of the Chilean Atacama Desert

Micromonospora sonneratiae sp. nov., isolated from a root of Sonneratia apetala

Micromonospora nickelidurans sp. nov., isolated from soil from a nickel-mining site

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