INVESTIGADORES
DELGADO Osvaldo Daniel
artículos
Título:
Aerobic biodegradation of nonylphenol by cold-adapted soil bacteria.
Autor/es:
SOARES A; GUIEYSSE B; DELGADO O; MATTIASSON B
Revista:
BIOTECHNOLOGY LETTERS
Editorial:
Springer
Referencias:
Lugar: Londres; Año: 2003 vol. 25 p. 731 - 738
ISSN:
0141-5492
Resumen:
Three strains capable of mineralizing nonylphenol as sole carbon source
were isolated from a sample of contaminated soil and characterized as
two Pseudomonas spp. and a Stenotrophomonas sp. The two Pseudomonas spp. expressed characteristics typical of psychrophiles growing optimally of 10 °C and capable of growing at 0 °C. The Stenotrophomonas
sp. was more likely psychrotrophic because it had an optimal
temperature between 14 and 22 °C although it was not capable of growing
at 4 °C. At 14 °C, one of the Pseudomonas spp. exhibited the highest rate of degradation of nonylphenol (4.4 mg l1 d1),
when compared with axenic or mixed cultures of the isolates. This study
represents, to the best of our knowledge, the first reported case of
cold-adapted microorganisms capable of mineralizing nonylphenol.