Microbial Diversity of Marine and Terrestrial Thermal Springs

Table 6: Page 2 of 2
Previous Page Next Table

Table 6: The Order Thermales

Species Location Morphology
Temperature
(optimum, °C)
pH Range
(Optimum)
Metabolism Electron Donor Electron Acceptor Comments Ref.
Meiothermus chliarophilus Vizela, Portugal Rods and filaments; non-motile
40-65
(55)
nd
(8-8.5)
O Casein; elastin; hide-powder azule; starch; many sugars and amino acids Organics Yeast extract required; orange-red pigmentation
Tenreiro et al. (1995)
Meiothermus cerbereus Geysir area, Iceland Rods and filamentous rods; non-motile
35-60
(55)
5.5-10
(7.5)
O, M Elastin; esculin; fibrin; casein; hide powder azule; cellobiose; trehalose; pyruvate Organics; cysteine; S2O3(2-); thioglycolate Orange-red pigmentation Chumg et al. (1997)
Meiothermus silvanus Vizela, Portugal Rods and filaments; non-motile
40-60
(50)
nd
(8)
O Casein; elastin; fibrin; gelatin; hide-powder azule; starch; sugars and amino acids Organics Yeast extract required for growth; orange-red pigmentation Tenreiro et al. (1995)
Thermodesulfovibrio yellowstonii Yellowstone Lake, Wyoming Curved rods; 1.5 micrometers long; motile
40-70
(65)
6.5-7.7
(6.8-7)
O, M Lactate; pyruvate or H2; formate with acetate as Carbon source
SO4(2-); SO3(2-);
S2O3(2-)
Pyruvate was the only fermentable substrate Henry et al. (1994)
O, organotroph; M, mixotroph; nd, not determined