共生细菌，也被称为共生菌，是指与生物体共同生存的细菌。健康的人体也藏匿着庞大的各种不同的细菌群和生存在人体肠道中的其他病菌，人体内的共生菌对人体有益。
... denitrifying bacterium反硝化细菌 symbiotic bacterium共生细菌 basophilic bacterium适碱性细菌 ...
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非共生细菌 [微] non-symbiotic bacteria
内共生细菌 endosymbiotic bacteria
共生固氮细菌 nitrogen fixing bacteria of symbiosis
公共卫生细菌学 [医] public health bacteriology
共生发光细菌 symbiotic photobacterium
公共卫生细菌学家 public health bacteriologist
细菌共生生物 bacterial symbiont
共生性氮固定细菌 symbiotic nitrogen fixation bacteria
海绵共附生细菌 sponge-associated bacteria
Bowen reported that Photorhabdus luminescens W-14 could produce a protein complex that was lethal when given orally or injected. This discovery arouses general concern .124 strains of symbiotic bacteria were isolated from 4 strains of entomopathogenic nematodes.
该菌对昆虫有很强的致病力，特别是Bowen（1998）首次报道Photorhabdus luminescens的W-14菌株能产生对昆虫有胃毒活性和血腔活性的杀虫蛋白，引起了国际学者对共生细菌的关注，已成为国际研究热点。
参考来源 - 昆虫病原线虫共生菌杀虫活性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
共生细菌在茧壁上分泌一种抗菌物质混和物，以抵抗因细菌引起的威胁。
The symbiotic bacteria secrete a mixture of antimicrobial compounds on the walls of the cocoon to ward off microbial threats.
昆虫病原线虫共生细菌能够产生多种次生代谢产物，如抑菌物质、杀虫蛋白和胞外酶等。
A variety of secondary metabolites can be produced by the symbiotic bacteria of entomopathogenic nematode, such as antibacterial complex, insecticidal proteins and exo-enzymes, and so on.
好氧平板和厌氧滚管菌落计数表明，台湾家白蚁的工蚁和兵蚁肠道中有大量的异养型共生细菌。
Enumeration by plate-counting and rolling tube methods indicated that there were abundant symbiotic bacteria resided in hindgut of termite Coptotermes formosanus.
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