Inhibition of spore germination of Ulva pertusa by the marine bacterium Pseudoalteromonas haloplanktis CI4

	Inhibition of spore germination of Ulva pertusa by the marine bacterium Pseudoalteromonas haloplanktis CI4
	MA Yuexin; LIU Pengliang; ZHANG Yongsheng; CAO Shanmao; LI Dantong; CHEN Wei
刊名	Acta Oceanologica Sinica
	2010-01-01
卷号	29 期号:1 页码:69
ISSN号	0253-505X
英文摘要	The effect of the bacterial strain CI4 on the germination of spores from the green alga Ulva pertusa was assayed and it was found that the bacterial biofilm and cell-free supernatant strongly inhibited spore germination. In attempts to define the chemical nature of the antifouling substance in the supernatant of CI4, the culture supernatants were tested for activity after heat treatment, enzymatic treatments, size fractionation, and separation into aqueous and organic fractions. Results suggest that this bacterium produces an extracellular component with specific activity toward algal spores that was heat-sensitive and between 3 and 10 kDa in molecular size. The exposure of the organic phase fraction to spores showed inhibitive effect on spore germination. Pronase and carboxypeptidase y did not significantly affect the activity of inhibitory component, suggesting that the component was not a protein or a peptide. The bacterium CI4 was identified as Pseudoalteromonas. haloplanktis based on the phenotypic characters and 16S rRNA gene analysis.
资助项目	[Natural Science Foundation of Liaoning Province]
语种	英语
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/178657]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	中国科学院大连化学物理研究所
推荐引用方式 GB/T 7714	MA Yuexin,LIU Pengliang,ZHANG Yongsheng,et al. Inhibition of spore germination of Ulva pertusa by the marine bacterium Pseudoalteromonas haloplanktis CI4[J]. Acta Oceanologica Sinica,2010,29(1):69.
APA	MA Yuexin,LIU Pengliang,ZHANG Yongsheng,CAO Shanmao,LI Dantong,&CHEN Wei.(2010).Inhibition of spore germination of Ulva pertusa by the marine bacterium Pseudoalteromonas haloplanktis CI4.Acta Oceanologica Sinica,29(1),69.
MLA	MA Yuexin,et al."Inhibition of spore germination of Ulva pertusa by the marine bacterium Pseudoalteromonas haloplanktis CI4".Acta Oceanologica Sinica 29.1(2010):69.