Transport properties of two extremely thermophilic species of Thermus
Language English Country United States Media print
Document type Journal Article
PubMed
7262717
DOI
10.1007/bf02927361
Knihovny.cz E-resources
- MeSH
- Biological Transport, Active MeSH
- Amino Acids metabolism MeSH
- Deoxyglucose metabolism MeSH
- Dinitrophenols pharmacology MeSH
- Species Specificity MeSH
- Aminoisobutyric Acids metabolism MeSH
- Water Microbiology * MeSH
- Monosaccharides metabolism MeSH
- Thermus growth & development metabolism MeSH
- Hot Temperature * MeSH
- Publication type
- Journal Article MeSH
- Names of Substances
- Amino Acids MeSH
- Deoxyglucose MeSH
- Dinitrophenols MeSH
- Aminoisobutyric Acids MeSH
- Monosaccharides MeSH
Thermus flavus and T. ruber grew optimally at 75 and 60 degrees C, respectively, but transport of monosaccharides (D-quinovose) and amino acids (2-aminoisobutyric acid) had optima about 20 degree C lower. Both transports were active, inhibited by 2,4-dinitrophenol but hardly at all by uranyl(2+) ions. Several transport systems are apparently involved with each class of compounds. Preincubation with glucose curtailed subsequent transport severely. Practical cessation of transport below 35 degrees C may be associated with the rather uniform composition of membrane lipids where iso- and anteiso-C15 and C17 acids are practically the only components.
