Affiliation:
1. Department of Applied Biological Chemistry, Faculty of Agriculture, Kindai University, Nara, Japan
Abstract
ABSTRACT
Pleurotus salmoneostramineus is a pink mushroom. This pink color is a protein and forms a complex with 3H-indol-3-one. The gene encoding the pink-colored protein from P. salmoneostramineus (PsPCP) was cloned, and its sequence was elucidated as a 681-bp. The ORF encodes 226 amino acid residues. The amino acid sequence of the protein did not show any significant homology in the DDBJ/EMBL/GenBank databases. Recombinant PsPCP was expressed as the soluble form in E. coli. The reaction mixture of purified recombinant PsPCP and 3H-indol-3-one showed a pink color as the native pigment. A real-time PCR analysis revealed the strong expression of PsPCP in the primordium formation stage of the life cycle of the fungus; however, its expression decreased with the maturation of the fruit body. A comparison of PsPCP gene expression profiles between two strains revealed high levels in the dark-colored strain.
Funder
Ministry of Education, Culture, Sport, Science, and Technology, Japan
Publisher
Oxford University Press (OUP)
Subject
Organic Chemistry,Molecular Biology,Applied Microbiology and Biotechnology,General Medicine,Biochemistry,Analytical Chemistry,Biotechnology
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