An Acidic Matrix Protein, Pif, Is a Key Macromolecule for Nacre Formation-Reference-Cited by-同舟云学术

An Acidic Matrix Protein, Pif, Is a Key Macromolecule for Nacre Formation

Published:2009-09-11 Issue:5946 Volume:325 Page:1388-1390
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Suzuki Michio¹,Saruwatari Kazuko²,Kogure Toshihiro²,Yamamoto Yuya³,Nishimura Tatsuya³,Kato Takashi³,Nagasawa Hiromichi¹

Affiliation:

1. Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan.

2. Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.

3. Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.

Abstract

Making Mother of Pearl Nacre is an iridescent layer of calcium carbonate lining the inside of shells of marine mollusks and is commonly known as “mother of pearl.” It is composed of layers of uniformly oriented crystals of aragonite (a metastable form of calcium carbonate) separated by layers of organic matrix. How the ordered structure of aragonite layers is achieved has been unclear. Suzuki et al. (p. 1388 , published online 13 August 2009; see the Perspective by

Kröger

) identified two acidic matrix proteins (Pif 97 and Pif 80) that regulate nacre formation in the Japanese pearl oyster. The proteins appear to form a complex in which Pif 80 binds to aragonite and Pif 97 binds to other macromolecules in the organic matrix.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference25 articles.

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3. Studies on shell formation

4. The Hierarchical Architecture of Nacre and Its Mimetic Material

5. Influence of the Organic Matrix on Crystal Type in Molluscs

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