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1983•FEMS Microbiology LettersOpen access

Control of bacteriochlorophyll formation by oxygen and light inRhodopseudomonas sphaeroides

Jürgen Oelze, Katharina Arnheim

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Abstract

Continuous cultures of Rhodopseudomonas sphaeroides were employed to compare the effects of oxygen and light on bacteriochlorophyll and 5-aminolevulinic acid synthase levels. While both external factors controlled bacteriochlorophyll levels, the enzyme levels were regulated only by oxygen and not by light.

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Continuous cultures of Rhodopseudomonas sphaeroides were employed to compare the effects of oxygen and light on bacteriochlorophyll and 5-aminolevulinic acid synthase levels. While both external factors controlled bacteriochlorophyll levels, the enzyme levels were regulated only by oxygen and not by light.

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Available abstract

Continuous cultures of Rhodopseudomonas sphaeroides were employed to compare the effects of oxygen and light on bacteriochlorophyll and 5-aminolevulinic acid synthase levels. While both external factors controlled bacteriochlorophyll levels, the enzyme levels were regulated only by oxygen and not by light.

Key concepts: Bacteriochlorophyll, Rhodopseudomonas, Rhodobacter sphaeroides, Rhodospirillaceae, Rhodospirillales, Oxygen, Phototroph, Oxygen metabolism

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