DICP OpenIR
Selective feeding by sponges on pathogenic microbes: a reassessment of potential for abatement of microbial pollution
Maldonado, Manuel1; Zhang, Xichang2,3; Cao, Xupeng2; Xue, Lingyun2,3; Cao, Heng2,3; Zhang, Wei2,4; Maldonado; Zhang W(张卫)
关键词Bioremediation Biofiltration Bacterivory Microbial Pollution Yeast Digestion
刊名MARINE ECOLOGY PROGRESS SERIES
2010
DOI10.3354/meps08411
403页:75-89
收录类别SCI
文章类型Article
部门归属18
项目归属1812
产权排名2;2
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Ecology ; Marine & Freshwater Biology ; Oceanography
研究领域[WOS]Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Oceanography
关键词[WOS]FLUVIATILIS L PORIFERA ; EPHYDATIA-FLUVIATILIS ; SPONGILLA-LACUSTRIS ; INTEGRATED AQUACULTURE ; MARINE SPONGES ; DIGESTION ; DEMOSPONGES ; BACTERIA ; RHODOTORULA ; INGESTION
英文摘要Sponges have traditionally been viewed as rather unselective filter feeders, and therefore as potential biofilters to remediate microbial water pollution. Here we show that the assumed connection between the ability of sponges to feed on microbes and the potential biotechnological use of such an ability to reduce microbial pollution is more complex than assumed. In a laboratory feeding experiment combined with a transmission electron microscopy study, we assessed the potential of the marine sponge Hymeniacidon perlevis to ingest and digest 3 common pathogenic microbes occurring in coastal waters: 2 bacteria (Escherichia colt and Vibrio anguillarum), and 1 marine yeast Rhodotorula sp. All 3 microbes were ingested by the sponge, but selectively, at different rates and following different cellular mechanisms. Yeast cells were processed very atypically by the sponge. Differences in the ingestion and digestion pathways led to large differences in the effectiveness of the sponge to remove the microbes. While sponge grazing reduced the concentration of E. colt and Rhodotorula sp. to levels far below the initial values, sponges were ineffective in abating concentrations of the most infective bacterium, V anguillarum. This bacterium, which was digested more slowly than E. coli, proliferated in the experimental flasks at much higher rates than it was grazed. These findings raise the question whether sponges are suitable for bioremediation of microbial pollution, since selective or preferential ingestion of certain bacteria by sponges may end up fueling growth of those grazed less, such as Vibrio spp.
语种英语
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WOS记录号WOS:000276799000007
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/103047
专题中国科学院大连化学物理研究所
通讯作者Maldonado; Zhang W(张卫)
作者单位1.Ctr Estudios Avanzados Blanes, Dept Aquat Ecol, CSIC, Blanes 17300, Girona, Spain
2.Chinese Acad Sci, Marine Bioprod Engn Grp, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 10089, Peoples R China
4.Flinders Univ S Australia, Flinders Ctr Marine Bioproc & Bioprod, Bedford Pk, SA 5042, Australia
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GB/T 7714
Maldonado, Manuel,Zhang, Xichang,Cao, Xupeng,et al. Selective feeding by sponges on pathogenic microbes: a reassessment of potential for abatement of microbial pollution[J]. MARINE ECOLOGY PROGRESS SERIES,2010,403:75-89.
APA Maldonado, Manuel.,Zhang, Xichang.,Cao, Xupeng.,Xue, Lingyun.,Cao, Heng.,...&张卫.(2010).Selective feeding by sponges on pathogenic microbes: a reassessment of potential for abatement of microbial pollution.MARINE ECOLOGY PROGRESS SERIES,403,75-89.
MLA Maldonado, Manuel,et al."Selective feeding by sponges on pathogenic microbes: a reassessment of potential for abatement of microbial pollution".MARINE ECOLOGY PROGRESS SERIES 403(2010):75-89.
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