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Volume 68, Issue 4

sp. nov., an endophytic actinobacterium isolated from Free

Abstract

A Gram-stain-positive, aerobic, non-motile, non-spore-forming and short-rod-shaped actinobacterium, designated strain 1T4Z-3, was isolated from a piece of surface-sterilized branch of collected from the Cotai Ecological Zones in Macao, China. Comparative 16S rRNA gene sequence analysis showed that strain 1T4Z-3 was clearly affiliated to the genus and exhibited 97.9 % gene sequence similarity to JCM 16463, 97.3 % gene sequence similarity to JCM 19015 and less than 96.4 % gene sequence similarities to other genera of the family . Strain 1T4Z-3 had L-2,4-diaminobutyric acid as the diagnostic cell-wall diamino acid. The major fatty acids (>10 % of total fatty acids) were iso-C (46.6 %) and anteiso-C (27.3 %). The predominant menaquinones of strain 1T4Z-3 were MK-11 (81.4 %) and MK-12 (14.1 %). The polar lipids comprised diphosphatidylglycerol, phosphatidylglycerol, six unidentified glycolipids, four unidentified phospholipids and two unidentified lipids. The DNA G+C content of strain 1T4Z-3 was 71.4 mol%. Based on the phylogenetic, phenotypic and chemotaxonomic features, strain 1T4Z-3 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain of is 1T4Z-3 (=KCTC 39983=CGMCC 1.16066).

  • Received:
  • Accepted:
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Keyword(s): Aegiceras corniculatum , Amnibacterium endophyticum , endophytic actinobacterium and Strain 1T4Z-3T
© 2018 IUMS
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2018-04-01
2024-04-18
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Amnibacterium endophyticum sp. nov., an endophytic actinobacterium isolated from Aegiceras corniculatum
Int J Syst Evol Microbiol 68, 1327 (2018); https://doi.org/10.1099/ijsem.0.002676
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