水产学报2017，Vol.41Issue(5)：694-702,9.DOI:10.11964/jfc.20160610423
贻贝科3种贝类的足结构与足丝分泌能力
Research on the foot structure and byssus formation of three mussels
摘要
Abstract
In order to study the structure of mussels' foot and the characteristics of byssal thread formation (byssus secretion mechanism), the byssal secretion rate of of three mussels (Mytilus edulis, Septifer virgatus and Modiolus modiolus) were compared under different salinity (20, 22, 24, 26, 28 and 30).The histological structure and byssal secretion process of three mussels were discribed. In this study, the relationship between histological structure and byssal thread formation mechanism of three mussels were discussed.The results are as follows.① three mussels began to secrete new byssal thread in 2 h after cutting off the old byssuses, three kinds of mussels showed significant differences in the ability of byssal thread formation within 24 h. The number of byssus was at the average of (28.45±6.14) for M. modiolus, and M. edulis andS. virgatus were (15.43±2.9) and (6.87±1.67), respectively;② salinity caused apparent influences on byssal secretion of three mussels;M. edulis could secrete byssal thread under salinity from 20 to 30 and the byssal number was the highest in 22;S. virgatus stopped secreting byssal thread when salinity is higher than 28;③ The histologic sections presented that there were microvillus covering the mussels foot and groove in the segmental venter which covered with fine cilia; the internal was composed of the glands, muscles and cavities. The glands were mucous glands, collagen glands, phenol glands, enzyme glands. The differences of the muscle distribution and the size of cavity of three mussel foot resulted in the density distinction of foot. Studies suggested that M. modiolus showed stronger ability of environmental adaptation than S. virgatus and M. edulis because of faster secretion of byssuses.关键词
贻贝/足丝/分泌速率/足结构/腺体Key words
mussel/byssus/secretion rate/foot structure/gland分类
农业科技引用本文复制引用
王文,郭春阳,杨佳喆,詹萍萍,徐善良,王春琳..贻贝科3种贝类的足结构与足丝分泌能力[J].水产学报,2017,41(5):694-702,9.基金项目
国家星火计划项目(2015GA701003) （2015GA701003）
宁波市科技项目(2015C10006) （2015C10006）
浙江省贻贝产业服务团队科技特派员项目(2013.09-2017.12)State Spark-Program (2015GA701007)Special Funds for Key Project of Science and Technology of Ningbo (2015C110003) （2013.09-2017.12）
Service Team Project of Technical Commissioner of Mussel Industry in Zhejiang Province (2013.09-2017.12) （2013.09-2017.12）
