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Position: Home > Articles > Optimization of medium for ectoine production by Halomonas salifodinae N35-6,a moderately halophilic bacterium Xinjiang Agricultural Sciences 2023,60 (12) 3065-3071

中度嗜盐菌Halomonas salifodinae N35-6产四氢嘧啶的培养基优化

作  者:
林青;秦新政;高雁;曾军;娄恺;时红玲;霍向东
单  位:
关键词:
中度嗜盐菌;四氢嘧啶;优化
摘  要:
[目的]优化从新疆哈密七角井盐湖土壤中分离到一株四氢嘧啶产量较高的中度嗜盐菌N35-6 发酵培养基.[方法]以四氢嘧啶产量为指标,采用响应面法优化培养基成分,利用 HPLC检测四氢嘧啶产量.[结果]从七角井盐湖土壤中分离获得一株能够产四氢嘧啶的细菌,经 16S rDNA 序列分析鉴定为Halomonas salifodinae,并命名为 H.salifodinae N35-6,该菌株四氢嘧啶产量能够达到 0.83 g/L.[结论]中度嗜盐菌Halomonas salifodinae N35-6 具有高产四氢嘧啶的潜力.
译  名:
Optimization of medium for ectoine production by Halomonas salifodinae N35-6,a moderately halophilic bacterium
关键词:
moderately halophilic bacteria%ectoine%optimization
摘  要:
[Objective]A moderately halophilic bacterium Halomonas salifodinae N35-6 with high ec-toine production was isolated from the soil of Qijaojing salt lake in Hami,Xinjiang,and its fermentation medi-um was optimized.[Methods]The medium composition for producing ectoine was optimized using response surface methodology and the yield of ectoine was determined by HPLC.[Results]A bacterium capable of pro-ducing ectoine was isolated from the soil of Qijiaojing Salt Lake and identified as Halomonas salifodinae by 16S rDNA sequence analysis.Production of ectoine was maximized to 0.83 g/L by optimizing the level of nutrients in the medium using response surface methodology.[Conclusion]The moderately halophilic bacterium Halomonas salifodinae N35-6 has the potential of high yield of ectoine.

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