Ruegeria mobilis strain and application thereof
A technology of Lugeria and movement, applied in applications, bacteria, animal feed, etc., can solve the problems of losing micro-ecological regulation, beneficial bacteria cannot be integrated into the target environment, etc., to reduce toxicity, suppress luminous intensity, and have no toxic side effects Effect
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[0015] The strain of the present invention will be described in detail below in conjunction with examples.
[0016] 1. Screening of YJ3 strain of Ruggia mobilis
[0017] In April 2015, the inventor selected 10 healthy larvae and shrimp seedlings from Hainan Haiyi Aquatic Seedling Co., Ltd., ground them and spread them on a 2216E plate of marine bacterial culture medium, and cultivated them at 28°C for 48 hours. Several single colonies were randomly selected and planted on the plate coated with Vibrio luminescens. A circle of inhibition was found around a light yellow colony. Then the single colony was selected for subculture until a purified strain, numbered YJ3, was obtained.
[0018] The genomic DNA of strain YJ3 was extracted, and its 16S rRNA gene sequence was amplified using bacterial universal primers. After sequencing, it was determined that the strain YJ3 screened by the present invention was Ruegeria mobilis.
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