Table 3.

Differences and similarities in the assimilation capacity of selected carbon and nitrogen sources among Glaciozyma, Cryolevonia, Camptobasidium and Psychromyces species

Species: 1, Glaciozyma antarctica [62]; 2,Glaciozyma watsonii [24]; 3, Glaciozyma martini [24]; 4, Glaciozyma litorale [25]; 5, Cryolevonia schlafbergensis [17]; 6, Cryolevonia giraudoae [11]; 7, Camptobasidium hydrophilum [11]; 8, Camptobasidium gelus [11]; 9, Camptobasidium gelus (this study); 10, Camptobasidium arcticum (this study); 11, Psychromyces glacialis–yeast phase (this study); 12, Psychromyces glacialis–filamentous phase (this study); 13, ‘Rhodotorula svalbardensis' [57]. +, Positive; –, negative; w, weak positive; d, delayed (slow); wd, weak and delayed; v, variable (–/+/w/d); na, data not available.

Source	1	2	3	4	5	6	7	8	9	10	11	12	13
l-Arabinose	–	v	w/–	–	–	–	w	–	–	–	–	–	–
d-Arabinose	–	–	–	–	–	–	w	–	–	–	–	–	+
α-d-Glucose	+	+	+	+	+	+	+	+	+	+	+	+	+
d-Galactose	v	+	+	–	–	v	na	v	v (–,w,d)	–	d	–	–
Sucrose	v	–	–	–	+	–	+	+	+	+	+	+	+
Raffinose	–	–	–	–	–	v	+	+	+	d	+	+, –*, d	+
d-Ribose	–	v	–	–	–	–	na	–	v (d,w,+)	–	–	–	–
d-Sorbitol	v	+	w/+	na	na	w	na	+	–*	–*	wd*	–*	na
Lactose	–	–	w/–	–	–	–	+	–	w/–	v	–	–	+
Trehalose	v	w/–	w/–	v,d	–	–	–	–	v	w/+	+	d	na
Maltose	v	v	v	–	+	v	w	w	w/+, –*	+	d	+, w*, d	+
Melezitose	–	–	–	–	+	+	+	–	–	+	+	+	+
Melibiose	–	–	–	–	–	–	–	+	–	v, –*	–	–	–
Methyl α-d-glucoside	–	–	–	–	–	–	w	–	–*	–*	–*	–*	na
d-Xylose	v	v	w/–	–	–	–		–	w/d	v (–,w,d)	wd	–	–
d-Glucitol	v	na	w/+	–	v	na	na	+	–*	–*	wd*	–*	na
Cellobiose	v	–	–	v,d	–	w	na	w	–	+	w,–*	w/+	+
d-Glucosamine	na	–	–	–	–	–	na	–	–*	–*	–*	–*	na
Glycerol	v	–	v	d	d	+	–	+	v, –*	–	–	–	–
Nitrate	+	w/+	+	na	+	+	–	+	+	v	+	+	+
Nitrite	+	–	w	na	+	+	–	+	w/–	–	+	w/d	+
l-Lysine	na	v	d/–	na	–	+	na	d	+	w/–	w	w/–	na
Tween 80	na	na	na	na	na	na	na	na	v (–,w,+)	–	+	+	na

*Results obtained by Biolog YT plates only.