求翻译：解淀粉芽孢杆菌Q-426是我们实验室从大连地区的堆肥中分离出来的一株具有广谱抗菌活性的实验菌株。研究添加DKPs后Q-426抗菌活性的变化，我们发现Q-426的抗菌活性受DKPs的调控。采用荧光定量PCR的方法对Q-426三种抗菌物质的合成基因itu、fen、sfp的mRNA表达水平进行定量，发现DKPs的添加使得这些基因的表达量明显下降。这为进一步研究群体感应系统与抗菌物质合成之间的关系，提高抗菌物质产量提供了理论基础。是什么意思？

Bacillus amyloliquefaciens q-426 is an experimental strains with broad-spectrum antimicrobial activity isolated by our laboratory from the compost in the Dalian region. The add dkps q-426 antimicrobial activity change, we find that q-426 antimicrobial activity regulation by dkps. The synthetic gene

The starch bacterial spores Q - 426 is our lab from Dalian area separated from the manure of a strain with a broad-spectrum anti-microbial activity of the lab strains. After adding DKPs Q Research - 426 anti-microbial activity of the change, we have found that Q - 426 of the anti-microbial activity

The solution settles soredium spore bacillus Q-426 is our laboratory which separates from in the Dalian area compost has the broad spectrum resist bacteria active experiment strain.After the research increases DKPs the Q-426 resist bacteria active change, we discover Q-426 the resist bacteria active

Solution of starch Q-426 Bacillus isolated from compost in Dalian area is our laboratory a broad-spectrum antibacterial activity of strain. Study on Antimicrobial activity of Q-426 after adding the DKPs changes, we find the antibacterial activity of Q-426 of regulation of the DKPs. Using fluorescent

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