Cysteine is not an obligatory intermediate in the biosynthesis of cysteate by Cytophaga johnsonae

A cysteine auxotroph of Cytophaga johnsonae was able to incorporate sulfur from sulfate into cysteate, and thus into sulfonolipid, in the absence of cysteine synthesis. This indicates that cysteine is not an obligatory intermediate of the cysteate biosynthetic pathway even though cysteine sulfur can...

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Veröffentlicht in:	Biochemical and biophysical research communications 1989-04, Vol.160 (2), p.535-539
Hauptverfasser:	Gilmore, David F., Godchaux, Walter, Leadbetter, Edward R.
Format:	Artikel
Sprache:	eng
Schlagworte:	3′-phosphoadenosine-5′-phosphosulfate Alkanesulfonates - metabolism Alkanesulfonic Acids Amino Acids, Sulfur - biosynthesis Analytical, structural and metabolic biochemistry Biological and medical sciences Cysteic Acid - biosynthesis Cysteine - biosynthesis Cytophaga - genetics Cytophaga - growth & development Cytophaga - metabolism Cytophaga johnsonae Fundamental and applied biological sciences. Psychology Intermediary metabolites. Miscellaneous Other biological molecules PAPS Sulfates - metabolism Sulfur - metabolism
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Beschreibung
Zusammenfassung:	A cysteine auxotroph of Cytophaga johnsonae was able to incorporate sulfur from sulfate into cysteate, and thus into sulfonolipid, in the absence of cysteine synthesis. This indicates that cysteine is not an obligatory intermediate of the cysteate biosynthetic pathway even though cysteine sulfur can be utilized for cysteate synthesis.
ISSN:	0006-291X 1090-2104
DOI:	10.1016/0006-291X(89)92465-0