Protein Information

ID 13
Name catalase
Synonyms CAT; Catalase; Erythrocyte derived growth promoting factor; Carnitine O acetyltransferase; Carnitine acetylase; Carnitine acetyltransferase; CAT; Catalases…

Compound Information

ID 1084
Name paraquat
CAS 1,1′-dimethyl-4,4′-bipyridinium

Reference

PubMed Abstract RScore(About this table)
19709234 Mannisto MK, Puhakka JA: Psychrotolerant and microaerophilic bacteria in boreal groundwater. FEMS Microbiol Ecol. 2002 Jul 1;41(1):9-16.
Abstract Growth temperature and microaerophily of 39 phylogenetically different isolates from boreal oxygen-deficient groundwater were studied. Based on growth temperatures, the isolates were mainly psychrotolerant bacteria as 35 grew at 2 degrees C and only three at 35 degrees C. Growth rates in the range of 4-35 degrees C fitted the Ratkowsky square root model well. Optimum temperatures of the groundwater isolates varied between 18 and 30 degrees C. In semisolid glucose and PYGV media, 59% and 28% of the isolates, respectively, preferred microaerophilic growth and 33% were catalase-negative. The microaerophilic isolates had the highest sensitivity to H (2) O (2) whereas sensitivity to the superoxide generator paraquat was similar among microaerophilic and aerobic isolates. The results show that the cold (6-8 degrees C) and oxygen-deficient groundwater harbors psychrotolerant and microaerophilic bacteria of different phylogenetic origins which are well adapted to their environment.
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