The respiratory system of Sulfolobus acidocaldarius, a thermoacidophilic archaebacterium

S. Anemüller; M. Lübben; G. Schäfer

doi:10.1016/0014-5793(85)80084-3

The respiratory system of Sulfolobus acidocaldarius, a thermoacidophilic archaebacterium

S. Anemüller, M. Lübben, G. Schäfer^*

^*Corresponding author for this work

Institute of Biochemistry

56 Citations (Scopus)

Abstract

The respiratory properties, cellular ATP content and absorption difference spectra of Sulfolobus acidocaldarius (DSM 639) have been investigated. In contrast to earlier postulates regarding Thermoplasma acidophilum [(1984) Syst. Appl. Microbiol. 5, 30-40], S. acidocaldarius seemed to depend energetically on respiration-coupled phosphorylation. Its ATP content strictly depended on respiratory activity. Its membrane is capable of proton pumping and presumably contains a branched electron transport system. The latter is composed of at least 2 types of cytochromes, an a+- and presumably an o-type, while c-type cytochromes could not be detected. It appears possible that one of the terminal oxidases is directly reduced by the socalled caldariellaquinone, found in the same organism [(1983) Syst. Appl. Microbiol. 4, 295-304].

Original language	English
Journal	FEBS Letters
Volume	193
Issue number	1
Pages (from-to)	83-87
Number of pages	5
ISSN	0014-5793
DOIs	https://doi.org/10.1016/0014-5793(85)80084-3
Publication status	Published - 25.11.1985

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Academic Focus: Center for Infection and Inflammation Research (ZIEL)

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title = "The respiratory system of Sulfolobus acidocaldarius, a thermoacidophilic archaebacterium",

abstract = "The respiratory properties, cellular ATP content and absorption difference spectra of Sulfolobus acidocaldarius (DSM 639) have been investigated. In contrast to earlier postulates regarding Thermoplasma acidophilum [(1984) Syst. Appl. Microbiol. 5, 30-40], S. acidocaldarius seemed to depend energetically on respiration-coupled phosphorylation. Its ATP content strictly depended on respiratory activity. Its membrane is capable of proton pumping and presumably contains a branched electron transport system. The latter is composed of at least 2 types of cytochromes, an a+- and presumably an o-type, while c-type cytochromes could not be detected. It appears possible that one of the terminal oxidases is directly reduced by the socalled caldariellaquinone, found in the same organism [(1983) Syst. Appl. Microbiol. 4, 295-304].",

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T1 - The respiratory system of Sulfolobus acidocaldarius, a thermoacidophilic archaebacterium

AU - Anemüller, S.

AU - Lübben, M.

AU - Schäfer, G.

PY - 1985/11/25

Y1 - 1985/11/25

N2 - The respiratory properties, cellular ATP content and absorption difference spectra of Sulfolobus acidocaldarius (DSM 639) have been investigated. In contrast to earlier postulates regarding Thermoplasma acidophilum [(1984) Syst. Appl. Microbiol. 5, 30-40], S. acidocaldarius seemed to depend energetically on respiration-coupled phosphorylation. Its ATP content strictly depended on respiratory activity. Its membrane is capable of proton pumping and presumably contains a branched electron transport system. The latter is composed of at least 2 types of cytochromes, an a+- and presumably an o-type, while c-type cytochromes could not be detected. It appears possible that one of the terminal oxidases is directly reduced by the socalled caldariellaquinone, found in the same organism [(1983) Syst. Appl. Microbiol. 4, 295-304].

AB - The respiratory properties, cellular ATP content and absorption difference spectra of Sulfolobus acidocaldarius (DSM 639) have been investigated. In contrast to earlier postulates regarding Thermoplasma acidophilum [(1984) Syst. Appl. Microbiol. 5, 30-40], S. acidocaldarius seemed to depend energetically on respiration-coupled phosphorylation. Its ATP content strictly depended on respiratory activity. Its membrane is capable of proton pumping and presumably contains a branched electron transport system. The latter is composed of at least 2 types of cytochromes, an a+- and presumably an o-type, while c-type cytochromes could not be detected. It appears possible that one of the terminal oxidases is directly reduced by the socalled caldariellaquinone, found in the same organism [(1983) Syst. Appl. Microbiol. 4, 295-304].

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The respiratory system of Sulfolobus acidocaldarius, a thermoacidophilic archaebacterium

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