微生物寄居肠道占有丰富的食物，增强消化系统并特别防御病原体侵入从而改善人类健康。
Microbes colonize the gut to gain access to a rich food source, and in return they are known to improve human health by enhancing our digestive system and providing extra defenses against pathogens.
甲壳动物酚氧化酶在入侵微生物的刺激下被激活，参与机体的防御反应，因此与机体的免疫状态有一定的相关。
The phenoloxidase in crustacean is activated by the invading microbes, and is involved in the defense reaction, thus having certain relation with the immune condition of the animals.
根据研究，鳄鱼可以在接触到如细菌和病毒这样的病微生物而导致防御机制启动前，自动地对抗这些微生物。
According to the researchers, alligators can automatically fight germs such as bacteria and viruses without having been exposed to them before launching a defense.
本文对海绵及其共附生微生物的化学防御进行讨论，希望对相关机制的揭示有所帮助。
We discuss the chemical defense of sponge and associated microorganisms, and wish to reveal related mechanisms.
机体已经没有了免疫能力，所以一旦艾滋病病毒侵入，人体的这种良好防御系统便会受到破坏，病原体及微生物就会乘虚而入。
The body has no immunity, so as soon as invasive HIV, the human body a good defense system would be destroyed, and microbial pathogens will take advantage of.
CRISPR是原核生物免疫防御系统的组成部分，能帮助原核生物抵抗入侵的病毒，可看作是一个简单的微生物免疫系统。
The CRISPR elements are part of a prokaryotic defence system directed against external attacks by e. g. viruses and may be viewed as a simple immune system of microorganisms.
应用于动物表现为改善非特异性免疫反应，起到防御病原微生物感染和抗应激作用，从而提高动物的健康状况。
Applying to animal, Secxitin can ameliorate Nonspecific immune reaction, defense infection of pathogenic microorganism and anti-stress to improve animal's health.
免疫防御机制演化出许多不同策略，原核生物运用核酸的限制内切酶、抗微生物胜肽及RNA干扰素作为自我防卫。
The evolution of mechanisms for immune defense has resulted in a variety of strategies. Prokaryotes use restriction endonucleases, antimicrobial peptides, and RNA interference for self-protection.
感染局部的微血管内血栓形成能够发挥免疫血栓的防御功能，促进病原微生物的清除，对机体是有利的。
The local microvascular thrombosis can play a role of host defense as immunothrombosis and promote the removal of pathogenic microorganisms.
这些微生物对寄主发育、营养吸收和防御方面都起着重要的作用。
This microbial community plays an important role for their hosts' growth, development, digestion and absorption of nutrition, colonization resistance against invasion of exotic microbes.
由限制-修饰系统调控的DNA修饰参与微生物的免疫防御系统，无限制-修饰系统调控的DNA修饰通过调控基因表达影响表型。
DNA modification with restriction-modification system is a component of microbial immune system, and DNA modification without restriction system influences phenotypes by gene regulation.
研究表明，糖苷生物碱具有保护植物防御微生物、昆虫等天敌侵袭的作用，是植物的天然防御物质。
Some investigation have indicated that glycoalkaloids must have been evolved in nature to protect plants against bacteria, fungi, insects, and animals.
研究表明，糖苷生物碱具有保护植物防御微生物、昆虫等天敌侵袭的作用，是植物的天然防御物质。
Some investigation have indicated that glycoalkaloids must have been evolved in nature to protect plants against bacteria, fungi, insects, and animals.
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