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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Plants contain multiple biotin enzymes: discovery of 3-methylcrotonyl-CoA carboxylase, propionyl-CoA carboxylase and pyruvate carboxylase in the plant kingdom.

Acetyl-CoA carboxylase is the sole biotin enzyme previously reported in plants. Western analysis with 125I-streptavidin of proteins extracted from carrot somatic embryos visualized six biotin-containing polypeptides, the relative molecular masses of which are 210,000, 140,000, 73,000, 50,000, 39,000, and 34,000. This multiplicity of the biotin-containing polypeptides can be partly explained by the discovery of 3-methylcrotonyl-CoA carboxylase, propionyl-CoA carboxylase, and pyruvate carboxylase in extracts of somatic carrot embryos, biotin enzymes previously unknown in the plant kingdom. These biotin enzymes seem to be widely distributed in the plant kingdom.[1]

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