Algicidal activity of the bacterium, Pseudomonas fluorescens SK09, tomitigate Stephanodiscus hantzschii (Bacillariophyceae) blooms usingfield mesocosms

Collection with item attached
2017
Item details URL
http://open-repository.kisti.re.kr/cube/handle/open_repository/474396.do
DOI
10.1080/02705060.2017.1323682
Title
Algicidal activity of the bacterium, Pseudomonas fluorescens SK09, tomitigate Stephanodiscus hantzschii (Bacillariophyceae) blooms usingfield mesocosms
Description
Public Welfare & Safety Research Program through the National ResearchFoundation of Korea (NRF) funded by the Ministry of Science, ICT &Future Planning [NRF-2013M3A2A1067529]; the Korea Institute of OceanScience & Technology (development of risk assessment for controltechnology to reduce transfer of ship's biofouling: in-water cleaningtechnique) [grant number PE99516].
abstract
The main goal of this study was to characterize mortality and trophic interactions of Stephanodiscus hantzschii (small centric diatoms) in the presence of an algicidal bacterium, Pseudomonas fluorescens HYK0210-SK09 (SK09) in outdoor mesocosm experiments with an extremely low temperature and also in direct application in a river. SK09 at an inoculation density of 5 x 10(6) cells/mL (Experiment 1) and SK09 cells immobilized in activated carbon polyvinyl alcohol sponge carriers (Experiment 2) did not appear to attack S. hantzschii in a species-specific manner at temperatures close to freezing. Furthermore, SK09 did not control the diatom blooms when SK09 cells immobilized in the carriers were directly applied in the river. The dynamics of both the heterotrophic flagellate and ciliate abundances showed similar trends to the activity of algicidal bacteria; moreover the heterotrophic protists could not control the total bacterial density. Inorganic nutrient concentrations and conductivity remained unchanged compared with those in the control group. The results obtained in this study and previous results are important for assessing biological control using algicidal bacteria in the wild.
provenance
Made available in Cube on 2018-09-28T10:44:57Z (GMT). No. of bitstreams: 0
language
English
author
Noh, Seong Yu
Jung, Seung Won
Kim, Baek Ho
Katano, Toshiya
Han, Myung-Soo
orcid
Jung, Seung Won/0000-0002-7473-7924
accessioned
2018-09-28T10:44:57Z
available
2018-09-28T10:44:57Z
issued
2017
citation
JOURNAL OF FRESHWATER ECOLOGY(32): 1
issn
0270-5060
uri
http://open-repository.kisti.re.kr/cube/handle/open_repository/474396.do
Funder
해양수산부
Funding Program
한국해양과학기술원연구운영비지원
Project ID
1525007363
Jurisdiction
Rep.of Korea
Project Name
미래규제대응 선박부착생물 제어기술 위해성 평가기법 개발:수중제거기술
rights
openAccess
subject
Harmful algal blooms
mesocosm
Pseudomonas fluorescens HYK0210-SK09
Stephanodiscus hantzschii
stream temperature
biocontrol
type
article


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