Saccharopolyspora spongiae sp. nov., a novel actinomycete isolated from the marine sponge Scopalina ruetzleri (Wiedenmayer, 1977)
2017
A novel marine actinomycete, designated strain CMAA 1452T, was isolated from the sponge Scopalina ruetzleri collected from Saint Peter and Saint Paul Archipelago, in Brazil, and subjected to a polyphasic taxonomic investigation. The organism formed a distinct phyletic line in the Saccharopolyspora 16S rRNA gene tree and had chemotaxonomic and morphological properties consistent with its classification in this genus. It was found to be closely related to
Saccharopolyspora dendranthemae
KLBMP 1305T (99.5% 16S rRNA gene sequence similarity) and shared similarities of 99.3, 99.2 and 99.0 % with ‘
Saccharopolyspora endophytica’
YIM 61095,
Saccharopolyspora tripterygii
YIM 65359T and ‘
Saccharopolyspora
pathumthaniensis’ S582, respectively. DNA–DNA relatedness values between the isolate and its closest phylogenetic neighbours, namely
S. dendranthemae
KLBMP 1305T, ‘
S. endophytica
’ YIM 61095 and
S. tripterygii
YIM 65359T, were 53.5, 25.8 and 53.2 %, respectively. Strain CMAA 1452T was also distinguished from the type strains of these species using a range of phenotypic features. On the basis of these results, it is proposed that strain CMAA 1452T (=DSM 103218T=NRRL B-65384T) merits recognition as the type strain of a novel
Saccharopolyspora
species, Saccharopolyspora spongiae sp. nov.
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