描述在梨果仙人掌属物种（仙人掌科）中的草酸钙生物矿物。

Characterization of calcium oxalate biominerals in Pereskia species (Cactaceae).

机构信息

Centro de Química Inorgánica (CEQUINOR, CONICET/UNLP), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C. Correo 962, 1900 La Plata, Argentina.

出版信息

Z Naturforsch C J Biosci. 2009 Nov-Dec;64(11-12):763-6. doi: 10.1515/znc-2009-11-1201.

DOI:10.1515/znc-2009-11-1201

PMID:20158142

Abstract

Calcium oxalate druses were isolated from the stems and leaves of six Pereskioideae family members and investigated by infrared spectroscopy, showing that in all samples the biomineral was present in the form of whewellite, CaC2O4 x H2O. As Pereskia is thought to represent the "ancestral" condition of the leafless stem-succulent cacti, these results suggest that the biomineralization of calcium oxalate in Cactaceae represents a primitive characteristic of the group and also support a close genetic relationship between Pereskia and Opuntia.

摘要

从 6 种仙人掌科成员的茎和叶中分离出草酸钙针晶，并通过红外光谱进行研究，结果表明所有样本中的生物矿物均以一水合草酸钙（CaC2O4 x H2O）的形式存在。由于 Pereskia 被认为代表了无叶茎肉质仙人掌的“原始”状态，这些结果表明，在仙人掌科中，草酸钙的生物矿化是该类群的原始特征，也支持 Pereskia 和 Opuntia 之间的密切遗传关系。