Glycomyces dulcitolivorans sp. nov., isolated from rhizosphere soil of wheat (Triticum aestivum L.)
2018
A novel actinomycete, designated strain SJ-25T, was isolated from rhizosphere soil of wheat (Triticumaestivum L.) and characterized using a polyphasic approach. 16S rRNA gene sequence analysis indicated that strain SJ-25T belonged to the genus
Glycomyces
and was closely related to
Glycomyces scopariae
YIM 56256T (99.0 % 16S rRNA gene sequence similarity),
Glycomyces artemisiae
IXS4T (98.8 %),
Glycomyces sambucus
E71T (98.7 %) and
Glycomyces mayteni
YIM 61331T (98.4 %). Moreover, key morphological and chemotaxonomic properties also confirmed the affiliation of strain SJ-25T to the genus
Glycomyces
. The cell wall contained meso-diaminopimelic acid and the whole-cell hydrolysates contained galactose, glucose and xylose. The phospholipid profile consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol mannoside, glycolipid and two unidentified polar lipids. The menaquinones were MK-11, MK-10(H4) and MK-10(H2). Major fatty acids were iso-C16 : 0, anteiso-C15 : 0, iso-C15 : 0, anteiso-C17 : 0 and iso-C14 : 0. The DNA G+C content was 72.2 mol%. The combination of DNA–DNA hybridization results and some phenotypic characteristics demonstrated that strain SJ-25T could be distinguished from its closely related strains. Therefore, it is proposed that strain SJ-25T represents a novel species of the genus
Glycomyces
, for which the name
Glycomyces
dulcitolivorans sp. nov. is proposed. The type strain is SJ-25T (=CGMCC 4.7414T=DSM 105121T).
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