MsiK-dependent trehalose uptake inStreptomyces reticuli
Open Access
- 1 March 2000
- journal article
- Published by Oxford University Press (OUP) in FEMS Microbiology Letters
- Vol. 184 (2) , 187-192
- https://doi.org/10.1111/j.1574-6968.2000.tb09012.x
Abstract
During cultivation in the presence of trehalose Streptomyces reticuli expresses an inducible, highly specific trehalose uptake system that is absent in Streptomyces lividans. A palmitated trehalose-binding protein was identified in the cytoplasmic membrane of mycelia, extracted with the detergent Triton X-100 and purified using a trehalose affinity matrix. Immunological studies showed that within S. reticuli the synthesis of the ATP-binding protein MsiK is induced by trehalose. The data suggest that MsiK assists the trehalose ABC transporter, like the previously described ABC transport systems for maltose and cellobiose/cellotriose, respectively.Keywords
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