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混合培养甲基杆菌 Obi 和放线菌 Mayor 生产生物絮凝剂的研究。

Studies on bioflocculant production by a mixed culture of Methylobacterium sp. Obi and Actinobacterium sp. Mayor.

出版信息

BMC Biotechnol. 2013 Aug 1;13:62. doi: 10.1186/1472-6750-13-62.

DOI:10.1186/1472-6750-13-62
PMID:23915393
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3750929/
Abstract

BACKGROUND

Bioflocculants effect the aggregation of suspended solutes in solutions thus, a viable alternative to inorganic poly-ionic and synthetic organic flocculants which are associated with deleterious health problems. Consequently, a consortium of two bacteria species were evaluated for optimized bioflocculant yield following the inadequacies of axenic cultures.

RESULTS

16S rDNA nucleotide sequencing and BLAST analysis of nucleotide sequences were used to identify the bacterial species, carbon and nitrogen sources optimally supporting bioflocculant production were assessed and the purified bioflocculant characterized.

CONCLUSIONS

The mixed culture produced bioflocculant with high flocculating activity and an improved yield. The efficiency observed with jar test may imply industrial applicability.

摘要

背景

生物絮凝剂影响溶液中悬浮溶质的聚集，因此是与有害健康问题相关的无机多离子和合成有机絮凝剂的可行替代品。因此，在发现纯培养物存在不足后，评估了两种细菌的联合作用，以优化生物絮凝剂的产量。

结果

使用 16S rDNA 核苷酸测序和核苷酸序列的 BLAST 分析来鉴定细菌种类，评估最佳支持生物絮凝剂生产的碳源和氮源，并对纯化的生物絮凝剂进行了表征。

结论

混合培养物产生了具有高絮凝活性和提高产量的生物絮凝剂。通过摇瓶试验观察到的效率可能意味着其具有工业适用性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/9e0195ba45b2/1472-6750-13-62-7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/750a2a0fdc96/1472-6750-13-62-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/581b19b9f41d/1472-6750-13-62-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/309559a58ef9/1472-6750-13-62-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/d4e0199966fd/1472-6750-13-62-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/08c013fd51c0/1472-6750-13-62-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/9e3f19a17353/1472-6750-13-62-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/9e0195ba45b2/1472-6750-13-62-7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/750a2a0fdc96/1472-6750-13-62-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/581b19b9f41d/1472-6750-13-62-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/309559a58ef9/1472-6750-13-62-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/d4e0199966fd/1472-6750-13-62-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/08c013fd51c0/1472-6750-13-62-5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/9e3f19a17353/1472-6750-13-62-6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1ec4/3750929/9e0195ba45b2/1472-6750-13-62-7.jpg

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