Table 5. Key physiological parameters related to nitrogen metabolism: uptake rate of organic and inorganic nitrogen sources expressed as N-mmol gDW^-1 h^-1; incorporation of total, organic and inorganic nitrogen normalized by glucose uptake (N-mmol C-mol^-1 Glucose); percentage of organic and inorganic nitrogen incorporated; contribution of each amino acid (in percentage) to the incorporation of organic nitrogen.

	240 g L-1 Glucose		280 g L-1 Glucose
N-mmol gDW-1 h-1	16 °C	28 °C	16 °C	28 °C
Total	0.70 ± 0.01a	1.74 ± 0.05b	0.70 ± 0.01a	1.58 ± 0.04b
Organic	0.57 ± 0.01a	1.09 ± 0.02b	0.59 ± 0.01a	0.98 ± 0.02b
Inorganic	0.13 ± 0.01a	0.64 ± 0.02b	0.11 ± 0.01a	0.60 ± 0.03b
N-mmol C-mol-1 Glucose
Total	24.0 ± 0.6	19.9 ± 2.1	30.2 ± 1.5	21.5 ± 1.6
Organic	19.5 ± 0.5	12.6 ± 1.4	25.5 ± 1.3	13.3 ± 1.0
Inorganic	4.5 ± 0.3	7.4 ± 0.8	4.7 ± 0.5	8.2 ± 0.7
% of N incorporated
Organic	81.3 ± 1.84a	63.0 ± 1.87b	84.4 ± 2.13a	61.9 ± 2.02b
Inorganic	18.7 ± 1.45a	37.0 ± 1.44b	15.6 ± 1.56a	38.1 ± 2.13b
Amino acid contribution to organic N uptake (%)
Alanine	10.7	10.0	10.6	9.2
Arginine	36.7	41.9	37.8	42.2
Aspartate	4.9	6.2	5.5	6.7
Cysteine	0.4	1.2	0.3	1.0
Glutamine	14.3	6.6	15.1	6.3
Glutamate	2.2	3.3	1.1	3.2
Glycine	0.5	0.5	0.5	0.4
Histidine	0.3	0.1	0.1	0.2
Isoleucine	2.0	2.3	1.7	2.3
Leucine	3.6	3.7	3.5	3.8
Lysine	3.4	3.1	4.4	3.8
Methionine	1.6	1.7	1.3	1.7
Phenylalanine	1.3	1.9	1.1	1.9
Serine	8.1	7.1	7.7	7.0
Threonine	6.2	6.0	5.6	5.9
Tryptophan	1.2	1.6	1.1	1.2
Tyrosine	0.3	0.5	0.2	0.3
Valine	2.5	2.3	2.2	2.7

Different superscripts indicate statistically significant differences between values (p < 0.05).