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Certain facultative anaerobes such as the opportunistic human pathogen Pseudomonas aeruginosa can respire on nitrate, a process generally known as denitrification. This enables denitrifying bacteria to survive in anoxic environments and contributes, for example, to the formation of biofilm, hence increasing difficulties in eradicating P. aeruginosa infections. A central step in denitrification is...
Biliproteins are present in almost all forms of life, and many of them play vital roles in photobiology. The bilin ligand of a recently characterized 500‐kDa biliprotein from an insect has been isolated and its structure elucidated with chemical and spectroscopic techniques (UV–visible, IR, MS, NMR, and CD). This blue pigment, named CV‐bilin, represents a unique high molecular mass derivative of biliverdin IXα,...
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