Antonie van Leeuwenhoek

, Volume 112, Issue 2, pp 203–209 | Cite as

Georgenia alba sp. nov., a novel halotolerant actinobacterium isolated from a desert sand sample

  • Lan-Yu Li
  • Zi-Wen Yang
  • Mipeshwaree Devi Asem
  • Nimaichand SalamEmail author
  • Min Xiao
  • Dalal Hussien M. Alkhalifah
  • Wael N. Hozzein
  • Guo-Xing Nie
  • Wen-Jun LiEmail author
Original Paper


Strain SYSU D8008T was isolated from a desert sand sample collected from Saudi Arabia. The strain was observed to be Gram-stain positive, non-motile and aerobic. It can grow at 15–37 °C, pH 6.0–10.0 and can tolerant up to 7% (w/v) NaCl. Pairwise comparison of the 16S rRNA gene sequence indicated that strain SYSU D8008T shares high sequence similarities with Georgenia deserti SYSU D8004T (96.8%) and Georgenia halophila YIM 93316T (96.8%). Menaquinone MK-8(H4) was detected as the respiratory isoprenologue. The polar lipid profile of strain SYSU D8008T was found to consist of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, two phosphatidylinositol mannosides, an unidentified glycolipid and an unidentified phospholipid. Strain SYSU D8008T was found to contain anteiso-C15:0 and iso-C15:0 as the predominant fatty acids. Galactose, glucose and rhamnose were detected as the whole cell sugars. Based on the phenotypic, genotypic and phylogenetic characteristics, strain SYSU D8008T can be differentiated from other closely related members of the genus Georgenia. The strain SYSU D8008T, therefore, is concluded to represent a novel species of the genus Georgenia, for which the name Georgenia alba sp. nov. is proposed. The type strain is SYSU D8008T (= CGMCC 1.15800T = KCTC 39988T).


Georgenia alba sp. nov. Saudi Arabia Desert Polyphasic taxonomy 



This research was supported by the Xinjiang Uygur Autonomous Region regional coordinated innovation project (Shanghai Cooperation Organization Science and Technology Partnership Program) (Grant No. 2017E01031), the Deanship of Scientific Research at Princess Nourah bint Abdulrahman University, through the Research Groups Program (Grant No. RGP-1438-0004), National Natural Science Foundation of China (Grant No. 31850410475) and China Biodiversity Observation Networks (SinoBON). WJL is supported by project funded by Guangdong Province Higher Vocational Colleges and Schools Pearl River Scholar Funded Scheme (2014).

Authors’ contribution

N.S. and W.J.L. conceived the study. L.Y.L., Z.W.Y., M.D.A. and M.X. performed research. D.H.M.A., W.N.H and N.S. analyzed data. Z.W.Y., N.S. and W.J.L. wrote the paper. All authors approved the manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest

Ethical statement

This article does not contain any studies with human participants or animals performed by any of the authors

Supplementary material

10482_2018_1145_MOESM1_ESM.docx (4.3 mb)
Supplementary material 1 (DOCX 4426 kb)


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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  1. 1.College of Life SciencesHenan Normal UniversityXinxiangPeople’s Republic of China
  2. 2.State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life SciencesSun Yat-Sen UniversityGuangzhouPeople’s Republic of China
  3. 3.Biology Department, Faculty of SciencePrincess Nourah Bint Abdulrahman UniversityRiyadhKingdom of Saudi Arabia
  4. 4.Bioproducts Research Chair, Zoology Department, College of ScienceKing Saud UniversityRiyadhKingdom of Saudi Arabia
  5. 5.Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and GeographyChinese Academy of SciencesÜrümqiPeople’s Republic of China

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