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DOI:	10.1371/journal.pone.0098798
论文题名:	Extracellular Polysaccharide Production by a Novel Osmotolerant Marine Strain of Alteromonas macleodii and Its Application towards Biomineralization of Silver
作者:	Ananya Mehta; Chandni Sidhu; Anil Kumar Pinnaka; Anirban Roy Choudhury
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-6-16
卷:	9, 期:6
语种:	英语
英文关键词:	Exopolysaccharides ; Nanoparticles ; Silver ; Polysaccharides ; Lactose ; Glucose ; Sea water ; Marine biology
英文摘要:	The present study demonstrates exopolysaccharide production by an osmotolerant marine isolate and also describes further application of the purified polysaccharide for production of colloidal suspension of silver nanoparticles with narrow size distribution. Phylogenetic analysis based on 16S r RNA gene sequencing revealed close affinity of the isolate to Alteromonas macleodii. Unlike earlier reports, where glucose was used as the carbon source, lactose was found to be the most suitable substrate for polysaccharide production. The strain was capable of producing 23.4 gl−1 exopolysaccharide with a productivity of 7.8 gl−1 day−1 when 15% (w/v) lactose was used as carbon source. Furthermore, the purified polysaccharide was able to produce spherical shaped silver nanoparticles of around 70 nm size as characterized by Uv-vis spectroscopy, Dynamic light scattering and Transmission electron microscopy. These observations suggested possible commercial potential of the isolated strain for production of a polysaccharide which has the capability of synthesizing biocompatible metal nanoparticle.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0098798&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/19565
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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10.1371journal.pone.0098798.PDF（1201KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

CSIR - Institute of Microbial Technology, Council of Scientific and Industrial Research, Chandigarh, India;CSIR - Institute of Microbial Technology, Council of Scientific and Industrial Research, Chandigarh, India;CSIR - Institute of Microbial Technology, Council of Scientific and Industrial Research, Chandigarh, India;CSIR - Institute of Microbial Technology, Council of Scientific and Industrial Research, Chandigarh, India

Recommended Citation:

Ananya Mehta,Chandni Sidhu,Anil Kumar Pinnaka,et al. Extracellular Polysaccharide Production by a Novel Osmotolerant Marine Strain of Alteromonas macleodii and Its Application towards Biomineralization of Silver[J]. PLOS ONE,2014-01-01,9(6)

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