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    Micromonospora phytophila sp nov and Micromonospora luteiviridis sp nov., isolated as natural inhabitants of plant nodules
    (Microbiology Soc, 2018) Carro, Lorena; Veyisoglu, Aysel; Riesco, Raul; Sproeer, Cathrin; Klenk, Hans-Peter; Sahin, Nevzat; Trujillo, Martha E.
    Two actinobacterial isolates, strains SG15(T) and SGB14(T), were recovered through a microbial diversity study of nitrogen fixing nodules from Pisum sativum plants collected in Salamanca (Spain). The taxonomic status of these isolates was determined using a polyphasic approach and both presented chemotaxonomic and morphological properties consistent with their classification in the genus Micromonospora. For strains SG15(T) and SGB14(T), the highest 16S rRNA gene sequence similarities were observed with Micromonospora coxensis JCM 13248(T) (99.2 %) and Micromonospora purpureochromogenes DSM 43821(T) (99.4 %), respectively. However, strains SG15(T) and SGB14(T) were readily distinguished from their phylogenetic neighbours both genetically and phenotypically indicating that they represent two new Micromonospora species. The following names are proposed for these species: Micromonospora phytophila sp. nov. type strain SG15(T) (=CECT 9369(T); =DSM 105363(T)), and Micromonospora luteiviridis sp. nov. type strain SGB14(T) (=CECT 9370(T); =DSM 105362(T)).
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    Micromonospora profundi sp nov., isolated from deep marine sediment
    (Microbiology Soc, 2016) Veyisoglu, Aysel; Carro, Lorena; Cetin, Demet; Guven, Kiymet; Sproeer, Cathrin; Poetter, Gabriele; Klenk, Hans-Peter
    A novel actinobacterial strain, designated DS3010(T), was isolated from a Black Sea marine sediment and characterized using a polyphasic approach. The strain was shown to have chemotaxonomic, morphological and phylogenetic properties consistent with classification as representing a member of the genus Micromonospora. Comparative 16S rRNA gene sequence studies showed that the strain was most closely related to the type strains of Micromonospora saelicesensis (99.5 %), Micromonospora chokoriensis (99.4 %) and Micromonospora violae (99.3 %). Similarly, a corresponding analysis based on partial gyrB gene sequences showed that it formed a distinct phyletic branch in a subclade that included the type strains of Micromonosporazamorensis, 'Micromonospora zeae', 'Micromonospora jinlongensis', M. saelicesensis and Micromonospora lupini. DS3010(T) was distinguished from its closest phylogenetic neighbours by low levels of DNA-DNA relatedness and by a combination of chemotaxonomic and phenotypic properties. On the basis of these data, it is proposed that the isolate should be assigned to the genus Micromonospora as Micromonospora profundi sp. nov. with isolate DS3010(T) (=DSM 45981(T) =KCTC 29243(T)) as the type strain.
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    Micromonospora yasonensis sp nov., isolated from a Black Sea sediment
    (Springer, 2016) Veyisoglu, Aysel; Carro, Lorena; Guven, Kiymet; Cetin, Demet; Sproeer, Cathrin; Schumann, Peter; Klenk, Hans-Peter
    A Micromonospora strain, designated DS3186(T), isolated from sediment collected from the Black Sea off the Yason Peninsula, Ordu, Turkey, was examinated using a polyphasic approach. The strain was found to have chemotaxonomic, morphological and phylogenetic properties consistent with its clasification in the genus Micromonospora. A comparative 16S rRNA gene sequence analysis showed that the strain was closely related to the type strains of Micromonospora olivasterospora (99.0 %), Micromonospora equina (98.8 %), Micromonospora rhizosphaerae (98.8 %) and Micromonospora viridifaciens (98.8 %); low levels of DNA-DNA relatednes were found between the isolate and the M. olivasterospora and M. rhizosphaerae strains. Corresponding phylogenetic analysis based on partial gyrB gene sequences showed that strain DS3186(T) formed a subclade with the type strains of Micromonospora eburnea, M. equina, Micromonospora narathiwatensis and M. viridifaciens. Strain DS3186(T) was distinguished from its close phylogenetic neighbours using a combination of chemotaxonomic, morphological and physiological properties. Consequently, it is proposed that strain DS3186(T) represents a novel Micromonospora species for which the name Micromonospora yasonensis sp. nov. is proposed. The type strain is DS3186(T) (=DSM 45980(T) = KCTC 29433(T)).