BIOLOGICAL PROTECTIVE SUBSTANCES IN MARTHASTERIAS-GLACIALIS (ASTEROIDEA) EPIDERMAL SECRETION

被引:31
作者
CANICATTI, C [1 ]
DANCONA, G [1 ]
机构
[1] UNIV PALERMO,INST HISTOL,I-90126 PALERMO,ITALY
关键词
D O I
10.1111/j.1469-7998.1990.tb04043.x
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Marthasterias glacialis secretes a watery mucous liquid consisting of 14% carbohydrate and 86% protein. The mucous secretion possesses different biological active molecules responsible for lysozyme‐like, protease and haemolytic activities. These substances could constitute a molecular barrier playing a protective role against the penetration by bacteria, fungi and parasites. The secretory apparatus consists of two unicellular glands, a large goblet cell and a granular cell, which open directly into the epidermis. Copyright © 1990, Wiley Blackwell. All rights reserved
引用
收藏
页码:445 / 454
页数:10
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