Comparison of the soluble matrices of the calcitic prismatic layer of Pinna nobilis (Mollusca, Bivalvia, Pteriomorpha)

被引：33

作者：

Dauphin, Y ^{[1
]}

机构：

[1] Univ Paris 11, Lab Paleontol, UMR 8616, F-91405 Orsay, France

来源：

COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY | 2002年 / 132卷 / 03期

关键词：

biomineralization; Bivalvia; calcite; skeletal organic matrices; prismatic layer; isoelectric points; DRIFT; HPLC; XANES;

D O I：

10.1016/S1095-6433(02)00099-5

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The calcitic prisms of the outer layer of the shell of Pinna nobilis, surrounded by thick organic walls, contain a soluble intracrystalline matrix. The structure and composition of the outer interprismatic walls are not well known. The current viewpoint is they are composed of an insoluble matrix. Another thick organic structure, the interlamellar sheet of the nacreous layer, is composed of insoluble and soluble matrices. The composition of two sets of soluble organic matrices from the calcitic layer of Pinna nobilis, extracted with and without the organic walls are compared. According to the various analyses (SENT and AFM, UV and FTIR spectrometry, HPLC, electrophoreses, XANES), the main characteristics of the two matrices are similar, but not identical. Thus, the organic walls contain soluble components. However, the three-layered structure of the interlamellar sheet of the nacreous layer has not been observed. (C) 2002 Elsevier Science Inc. All rights reserved.

引用

页码：577 / 590

页数：14

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