Affiliation:
1. Departament de Microbiologia i Parasitologia Sanitàries, Laboratori de Microbiologia, Facultat de Farmàcia, Universitat de Barcelona, 08028, Barcelona, Spain
Abstract
The appearance of yellow pigmentation in nonpigmented strains of
Serratia
sp. has been demonstrated to be due to the production of a muconic acid, 2-hydroxy-5-carboxymethylmuconic acid semialdehyde. The 3,4-dihydroxyphenylacetate 2,3-dioxygenase responsible for the synthesis of this muconic acid was induced in all strains tested. Another muconic acid, the β-
cis-cis
-carboxymuconic acid, could also be synthesized from 3,4-dihydroxybenzoate, but this product was not colored. Mutants that were unable to grow on tyrosine and produced yellow pigment were isolated from nonpigmented strains. These mutants had properties similar to those of the yellow-pigmented strains. The ability to produce pigment may be more widespread among
Serratia marcescens
strains than is currently known.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
Cited by
16 articles.
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