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Hsal_potassium_limitation

ABSTRACT: The genome-wide transcription profiles of the archaeon Halobacterium salinarum grown in potassium-limited medium was compared to the profile of H. sal. cells grown under ample potassium concentration.

ORGANISM(S): Halobacterium salinarum

SUBMITTER: Andy Wende

PROVIDER: E-MEXP-3225 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Archaeal transcriptional regulation of the prokaryotic KdpFABC complex mediating K(+) uptake in H. salinarum.

Kixmüller Dorthe D Strahl Henrik H Wende Andy A Greie Jörg-Christian JC

Extremophiles : life under extreme conditions 20110921 6

The genome of the halophilic archaeon Halobacterium salinarum encodes the high-affinity ATP-dependent K(+) uptake system Kdp. Previous studies have shown that the genes coding for the KdpFABC complex are arranged in a kdpFABCQ gene cluster together with an additional gene kdpQ. In bacteria, expression of the kdpFABC genes is generally regulated by the dedicated sensor kinase/response regulator pair KdpD/KdpE, which are absent in H. salinarum. Surprisingly, H. salinarum expresses the kdp genes in ...[more]

PMID: 21947979

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