Research Article

Geodermatophilus poikilotrophi sp. nov.: A Multitolerant Actinomycete Isolated from Dolomitic Marble

Table 1

Differential phenotypic characteristics of strain G18T and the type strains of other Geodermatophilus species. Strains: 1, G. poikilotrophi sp. nov. G18T; 2, G. obscurus DSM 43160T; 3, G. ruber DSM 45317T; 4, G. nigrescens DSM 45408T; 5, G. arenarius DSM 45418T; 6, G. siccatus DSM 45419T; 7, G. saharensis DSM 45423T; 8, G. tzadiensis DSM 45416T; 9, G. telluris DSM 45421T; 10, G. soli DSM 45843T; 11, G. terrae DSM 45844T; 12, G. africanus DSM 45422T; 13, G. normandii DSM 45417T; 14, G. taihuensis DSM 45962T; 15, G. amargosae DSM 46136T. All physiological data are from this study.

Characteristics123456789101112131415

Colony colour on GYMLight-red, greenish-blackBlackLight-red, redLight-red, blackLight-red, brownLight-red, blackLight-red, blackLight-red, greenish-blackBlackLight redLight redBlackLight-red, greenish-blackCoral pinkBlack
Colony surface on GYMMoistDryMoistMoistMoistMoistMoistMoistDryMoistMoistDryMoistMoistDry
Utilization of
 Turanose++++++++++++
 Stachyose++/−++/−+++/−
 D-Melibiose+/−+/−+++/−++
 D-Salicin+/−+++++++/−+/−+
NaCl range (w/v)
 1%+++++++++/−+++++/−
 4% +/−++++/−++++/−
 D-Mannose++++++++++++/−
 L-Rhamnose+++++++++
 Inosine++/−+++++
 D-Sorbitol+++++++/−+/−+/−+/−
 D-Mannitol+++/−++++++++/−
 D-Arabitol++/−++++
 Glycerol++++++++++
 L-Alanine+/−+++++/−+
 L-Arginine+++++
 L-Histidine+++/−
 Pectin+++++++++++
 D-Gluconic acid++++++++++
 Quinic acid++++++++
Predominant menaquinone(s)aMK-9(H4)MK-9(H4), MK-9(H2), MK-8(H4)MK-9(H4)MK-9(H4)MK-9(H4), MK-8(H4), MK-9 (H0)MK-9(H4), MK-8(H4), MK-9(H0)MK-9(H4), MK-8(H4)MK-9(H4), MK-9(H0)MK-9(H4)MK-9(H4), MK-9(H0), MK-9(H2)MK-9(H4), MK-9(H0)MK-9(H4)MK-9(H4)MK-9 (H4), MK-9(H0)#MK-9(H4)
Phospholipids*PE, PC, PI, DPGDPG, PC, PE, PI, PGDPG, PE, PC, PI, 2PL, PGDPG, PE, PC, PI, PGPE, PC, DPG, PI, PGPE, PC, PI, DPG, PGDPG, PC, PI, PE, PGDPG, PC, PE, PI, PGDPG, PC, PE, PI, APL, PGDPG, PME, PE, PI, 3PLDPG, PME, PE, PI, 5PLDPG, PC, PE, PI, PGDPG, PC, PE, PI, PGDPG, PE, PI, PIM#DPG, PC, PE, PI, PG
Major fatty acidsb , 
, 
8c
, 
, 
8c
, 
, 
, 
, 
8c
, 
, 
, 
, 
8c
, 
, 
, 
, 
, 
, 
, 
, 
9c
, 
, 
, 
8c
, 

+, positive reaction; −, negative reaction; +/−, ambiguous; MK, menaquinones; DPG, diphosphatidylglycerol; PE, phosphatidylethanolamine; PME, phosphatidyl-N-methylethanolamine; PE-OH, hydroxyphosphatidylethanolamine; PG, phosphatidylglycerol; PC, phosphatidylcholine; PI, phosphatidylinositol; PIM, phosphatidylinositol mannoside; PL, unknown phospholipid; APL, unknown amino-phospholipid; i-, iso-branched; ai-, anteiso-branched.
aOnly components making up ≥ 5% peak area ratio are shown; bonly components making up ≥ 10% peak area ratio are shown; *the components are listed in decreasing order of quantity.
Data taken from Jin et al. [10]. #Data taken from Qu et al. [26].