Bioactive compound produced from Streptomyces aureofaciens KF532950 and its antimicrobial activity

Sundaram Vennila, Marimuthu Krishnaveni
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引用次数: 1

Abstract

Aim

Actinomycetes are gram-positive bacteria, common in nature, play a significant role in biotechnology, as it produces vitamins, enzymes, anti-tumour agents, immune-modifying agents, mainly antibiotic compounds. Various bioactive substances are produced by a wide variety of microorganisms including several species of bacteria and fungi. Hence, it was decided to isolate soil bacteria that is able to produce biologically active substances.

Methods

The bioactive compound producing strain was isolated from soil and the same was sequenced, submitted to gene bank for accession number. Related species was known by tree construction. The bacterial isolates from wound were tested for its susceptibility against bioactive compound isolated from Streptomyces aureofaciens by disc diffusion assay. The produced compound was subjected to SDS-PAGE analysis for molecular weight determination.

Results

The isolated strain was obtained accession number KF532950, it contains high GC content of 63.6%. The bioactive compound produced from Streptomyces aureofaciens showed positive result against Staphylococcus spp. and Pseudomonas spp. and its molecular weight ranged from 14.3 to 97.4 Kd.

Conclusion

From the results obtained, it is concluded that, our strain produces bioactive compound which may be further characterized for its properties.

金黄色链霉菌KF532950的生物活性化合物及其抑菌活性
目的:放线菌是自然界常见的革兰氏阳性细菌,在生物技术中起着重要作用,因为它产生维生素、酶、抗肿瘤剂、免疫修饰剂,主要是抗生素化合物。各种生物活性物质是由各种各样的微生物产生的,包括几种细菌和真菌。因此,决定分离能够产生生物活性物质的土壤细菌。方法从土壤中分离到生物活性化合物产生菌,对其进行测序,并提交基因库进行登录号。通过树形结构发现了近缘种。采用圆盘扩散法检测伤口分离菌对金黄色链霉菌活性物质的敏感性。所得化合物经SDS-PAGE分析测定分子量。结果分离得到的菌株注册号为KF532950, GC含量高达63.6%。从金黄色链霉菌中分离得到的活性化合物对葡萄球菌和假单胞菌均呈阳性反应,其分子量在14.3 ~ 97.4 Kd之间。结论该菌株可产生生物活性化合物,其性质有待进一步鉴定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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