Table 2. Determination of purity of mitochondrial fractions, obtained from Saccharomyces cerevisiae strains NBIMCC 582, NBIMCC 583 and NBIMCC 584 trough measurement specific activities of cytosolic 1, peroxisomal 2 and mitochondrial marker enzymes.

Strains

NBIMCC 582

NBIMCC 583

NBIMCC 584

NBIMCC 582

NBIMCC 583

NBIMCC 584

Enzyme activities

Mitochondrial fraction

Cell free extract

Catalase
[E/min/mg protein]

5.3 + 0.3

6.8 + 0.2

5.5 + 0.1

6.6 + 0.3

10.9 + 0.4

7.34 + 0.3

Peroxidase
[E/min/mg protein]

0.17 ± 0.01

0.18 ± 0.01

0.16 ± 0.02

0.02 ± 0.01

0.02 ± 0.012

0.03 ± 0.014

Glucose-6 phosphate dehydrogenase1
[mU/mg protein]

None

None

None

14.16 + 0.02

18.74 + 0.05

19.04 + 0.02

Hexokinase1
[mol/min/mg protein]

None

None

None

0.020 ± 0.010

0.025 ± 0.002

0.020 ± 0.015

D aminoacid oxidase2
[U/mg protein]

None

None

None

0.058 ± 0.001

0,108 ± 0.001

0,076 ± 0.001

Isocitic lyase2
[U/mg protein]
None
None
None
0.102 + 0.013
0.098 + 0.023
0.108 + 0.015

Succinate dehydrogenase3
[mol /min/mg protein]

0.14 ± 0.01

0.18 ± 0.01

0.15 ± 0.01

0.014 ± 0.002

0.016 ± 0.0012

0.014 ± 0.009

Mn SOD
[U/mg protein]3

19.52 ± 0.050

16.89 ± 0.042

17.28 ± 0.032

8.42 ± 0.012

6.33 ± 0.044

6.80 ± 0.010


Supported by UNESCO / MIRCEN network