The production of magnesium protoporphyrin monomethyl ester by Rhodopseudomonas spheroides
- 1 March 1963
- journal article
- research article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 86 (3), 429-432
- https://doi.org/10.1042/bj0860429
Abstract
An ether-soluble pigment secreted into the medium by intact cells of R. spheroides was identified as magnesium protoporphyrin monomethyl-ester. The ester was not detected in whole cells or in acetone-methanol extracts of whole cells. In low-iron media there was increased secretion of this ester, and bacteriochlorophyll production decreased.Keywords
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