Diversity, Abundance, and Some Characteristics of Bacteria Isolated from Earth Material Consumed by Wild Animals at Kudurs in the Sikhote-Alin Mountains, Russia

Table 4

Some morphological, physiological, and biochemical characteristics of strain SRB sch isolated from U-3 earth material samples.

Traits		Characteristics	SRB sch
Cell morphology		Gram stain	−
		Cell shaper	Rods
		Cell size, µm	0.3–0.5/1.1–2.3
		Motility	+
		Spore formation	−
Enzymes		Catalase	+
		Oxidase	+
Oxygen relationship		Facultative anaerobes
Electron acceptor		Sulfate	+
		Thiosulfate	+
		Elemental sulfur	−
		Nitrate	+
Electron donor		Lactate	+
		Ethanol	+
		Acetate	+
		Citrate	−
		Formate	+
		Malonate	−
Growth at various temperatures, pH, NaCl concentrations	T, °C	25°C	+
		35°C	+
		40°C	+
		55°C	−
	pH	5.0	+
		6.0	+
		7.0	+
		8.0	+
		9.0	−
	NaCl	1%	+
		3%	+
		4%	+
		5%	+
		6%	−

 + Bacterial growth; − no bacterial growth.