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氧化硫的共生生物殖民于它们的素宿主的消化道
Cristina M Alcaraz1,2, Joana Séneca1,3, Martin Kunert1
1University of Vienna, Centre for Microbiology and Environmental Systems Science, Division of Microbial Ecology, Djerassiplatz 1, 1030 Vienna, Austria.
The ISME journal
|October 10, 2024
概括
海洋类宿主硫氧化细菌不仅在它们的上,而且在其他器官,如消化道. 这一发现揭示了比以前理解的更复杂的共生关系.
科学领域:
- 海洋生物学 海洋生物学
- 共生研究是对共生的研究.
- 无脊椎动物动物学
背景情况:
- 海洋类在状细菌细胞中含有氧化硫的细菌.
- 以前的研究假设共生体主要是殖民成年鱼.
- 类的共生生物分布的全部范围在很大程度上仍未被探索.
研究的目的:
- 为了研究共生细菌的分布,在各种器官的lucinidLoripes orbiculatus.
- 挑战目前普遍的假设,即成年白类类鱼中独有的共生体殖民.
- 探索之外的共生体的潜在独特角色和持久性.
主要方法:
- 16S rRNA基因测序和数字PCR针对soxB基因.
- 在现场的光混合化 (FISH) 用于整体全生物体共生体的可视化.
- 在,脚,地幔,内脏质量和消化道中对象群分析.
- 一个14个月的饥饿实验,以评估在改变的代谢条件下的共生生物的持久性.
主要成果:
- 在多个器官中检测到以前未知的共生生物种群,包括消化道.
- 消化道中的共生体可能居住在宿主细胞内,类似于状共生体.
- 一个饥饿实验显示,中的共生体减少比内脏质量更大,这表明差异性持久性.
结论:
- 海洋类中的共生细菌表现出比先前假定的更复杂的分布,延伸到之外.
- 消化道是潜在的持久性共生生物种群的所在地,它们具有不同的生理和作用.
- 这项研究需要重新评估双主体关系中的化学合成共生体的空间组织和功能意义.
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