CORE
🇺🇦
make metadata, not war
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Community governance
Advisory Board
Board of supporters
Research network
About
About us
Our mission
Team
Blog
FAQs
Contact us
微囊藻毒素-RR对大肠杆菌和枯草杆菌的渗透效应
Authors
刘永定
周世伟
夏传海
杨翠云
Publication date
31 December 2009
Publisher
Abstract
微囊藻毒素是一类由蓝藻产生的具有肝毒性的环状肽类化合物,是富营养化淡水水体中最常见的一种藻类毒素,也是蓝藻水华污染过程中产量最大、危害最严重的藻毒素种类.本文研究了微囊藻毒素MC-RR对大肠杆菌(Escherichia coli)和枯草杆菌(Bacillus subtilis)细胞膜的渗透效应,采用MC-RR和溶菌酶协同处理下由于细胞溶解而引起吸光值A675的降低来表示.结果表明,A675值的降低随MC-RR处理浓度和时间的变化而变化,浓度越高,A675值降低越明显,由此表明,MC-RR的存在增加了细菌细胞膜对溶菌酶的渗透性,促进了溶菌酶的溶菌效应.更进一步的实验证明,MC-RR能促进细菌细胞内可溶性蛋白和可溶性糖的外渗量,并且具有一定的剂量效应.实验结果还进一步暗示,MC-RR和水环境中的其他化合物的复合效应或许能够调节水体中的细菌群落,MC-RR在水体生态系统中可能具有非常重要的生态学意义.
Similar works
Full text
Available Versions
Institutional Repository of Yantai Institute of Coastal Zone Research, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.yic.ac.cn:133337/32297
Last time updated on 19/08/2023
Institute of Hydrobiology, Chinese Academy Of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ihb.ac.cn:342005/33756
Last time updated on 18/12/2019
Institutional Repository of Yantai Institute of Coastal Zone Research, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.yic.ac.cn:133337/3981
Last time updated on 18/09/2018
Institute of Hydrobiology, Chinese Academy Of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ihb.ac.cn:342005/14382
Last time updated on 15/03/2018