Low-temperature-resistant halomonas sp. LJ2 with complete denitrification function and application, product and method of low-temperature-resistant halomonas sp. LJ2

The invention relates to a low-temperature-resistant halomonas LJ2 with a complete denitrification function as well as application, a product and a method thereof, and belongs to the technical field of microorganisms. The invention provides a strain LJ2 of halomonas desideata, and the preservation number of the strain LJ2 is CGMCC (China General Microbiological Culture Collection Center) NO: 24345. The invention also provides an application of the strain LJ2 in denitrification, and a bacterial agent and a denitrification method based on the strain LJ2. The LJ2 strain provided by the invention has better salt tolerance and low temperature resistance, and has complete denitrification capacity and higher nitrate and nitrite removal capacity. 本发明"一株具有完全反硝化功能的耐低温期望盐单胞菌LJ2及其应用、产品和方法"属于微生物技术领域。本发明提供一株期望盐单胞菌(Halomonas desiderata)菌株LJ2，保藏编号为CGMCC NO:24345。本发明还提供所述菌株LJ2在反硝化方面的应用，以及基于菌株LJ2的菌剂和反硝化方法。本发明的LJ2菌株具有较好的耐盐特性、耐低温特性、具有完全的反硝化能力和较高的硝酸盐、亚硝酸盐去除能力。