Table 4.

Morphological and physiological characterisation of isolate 2D55

Parameters	Isolate 2D55 results
Cell morphology
Shape	Rod
Colony
Colour	Whitish
Surface	Rough, hair-like outgrowth
Margins	Undulte to fimbrate
Size	2–3 mm in diameter
Gram stain	+
Spore	+
Motility	+
Aerobic growth	+
Anaerobic growth	−
Growth positive at
30 °C	++
50 °C	+++
60 °C	++
Growth in medium pH
pH 3	++
pH 5	+++
pH 6	+++
pH 8	+++
pH 10	+
Growth in NaCl
2%	+++
4%	+++
8%	+++
10%	+
12%	−

− = negative, + = positive, ++ = moderate, +++ = high