Masako Shibayama

Title: Masako Shibayama: Innovator in Polyhydroxyalkanoate Depolymerase

Introduction

Masako Shibayama is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of biotechnology, particularly in the development of enzymes that decompose polyhydroxyalkanoates. Her work is crucial for advancing sustainable materials and bioprocessing technologies.

Latest Patents

Masako Shibayama holds a patent for a novel polyhydroxyalkanoate depolymerase. This invention relates to a depolymerase enzyme characterized by a specific N-terminal fragment of the amino acid sequence of SEQ ID NO: 1, with a molecular weight of approximately 33,000 as determined by SDS polyacrylamide gel electrophoresis. The patent outlines a process for producing this enzyme by culturing a microorganism from the genus Corynebacterium, which has the ability to produce the polyhydroxyalkanoate depolymerase. Additionally, it describes a method for producing the enzyme using a transformant that has been modified with a recombinant vector containing the gene for the depolymerase. This innovation provides a means to efficiently produce an enzyme capable of decomposing omega-hydroxyalkanoates, particularly 4HB homopolyester or copolymerized polyesters.

Career Highlights

Throughout her career, Masako Shibayama has worked with notable companies such as Taisei Corporation and Meiji Seika Kasha, Ltd. Her experience in these organizations has contributed to her expertise in enzyme development and bioprocessing.

Collaborations

Masako has collaborated with esteemed colleagues, including Toshio Matsunobu and Yuji Saito. These partnerships have fostered innovation and advancement in her research endeavors.

Conclusion

Masako Shibayama is a trailblazer in the field of biotechnology, particularly in the development of polyhydroxyalkanoate depolymerase. Her contributions are vital for the future of sustainable materials and bioprocessing technologies.