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author:

蔡伟鑫 (蔡伟鑫.) [1] | 刘心宇 (刘心宇.) [2] | 马瑞娟 (马瑞娟.) [3] | 陈剑锋 (陈剑锋.) [4] (Scholars:陈剑锋) | 谢友坪 (谢友坪.) [5] (Scholars:谢友坪)

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EI Scopus PKU

Abstract:

为构建索罗金小球藻(Chlorella sorokiniana FZU60)的异养无菌体系,对其共生菌进行分离和鉴定,并考察了8种常见抗生素(头孢噻肟、卡那霉素、新霉素、氨苄青霉素、链霉素、四环素、氯霉素和红霉素)对共生菌和藻株FZU60生长的影响。结果表明:异养体系中主要的共生菌为芽孢杆菌(Bacillus)(78.76%)和甲基杆菌(Methylobacterium)(3.14%),且10 mg/L头孢噻肟、10 mg/L四环素、100 mg/L卡那霉素和100 mg/L红霉素对这两株共生菌均具有较好抑制效果,但对藻株FZU60的生长无明显影响。在此基础上,进一步考察了不同抗生素组合对藻株FZU60异养共生菌的抑制效果,发现采用10 mg/L头孢噻肟、10 mg/L四环素和100 mg/L卡那霉素的抗生素组合可成功构建异养无菌体系,且经3次传代培养后藻株FZU60仍可维持稳定的生长及无菌状态。本实验结果可为索罗金小球藻高密度异养中无菌藻种的制备提供一定的理论参考和实验依据。

Keyword:

异养培养 抗生素 无菌培养 索罗金小球藻

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Source :

食品工业科技

ISSN: 1002-0306

CN: 11-1759/TS

Year: 2023

Page: 1-9

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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