重建微生物组:通过生态恢复和重生,促进动物与微生物的相互作用
P Contos1, H Gibb2, N P Murphy3
1Department of Environment and Genetics, La Trobe University, Bundoora, VIC, Australia; Conservation and Restoration Science Branch, Department of Climate Change, Energy, The Environment and Water, Sydney, NSW, Australia.
Journal of environmental management
|February 1, 2025
概括
通过重新引入土壤和叶子垃圾来恢复退化的生态系统,可以恢复一些微生物与无脊椎动物的相互作用. 这种生态恢复方法增强了本地甲虫肠道微生物群,但对引入的千足动物的影响有限.
科学领域:
- 生态恢复 生态恢复
- 微生物生态学 微生物生态学
- 保护生物学 保护生物学
背景情况:
- 生态恢复旨在重建复杂的物种相互作用.
- 微生物对生态系统功能和宿主健康至关重要.
- 修复工作往往忽视了微生物群落及其相互作用.
研究的目的:
- 为了研究是否重新引入土壤和叶子垃圾 ("重新野生化") 可以恢复微生物群落及其与无脊椎动物的相互作用在退化的生态系统.
- 评估重新野生化对两种无脊椎动物物种土壤微生物群和肠道微生物群的影响.
主要方法:
- 从遗留地点的土壤和叶子垃圾被重新引入重新植被的农田.
- 本土Ecnolagria grandis甲虫和引入的Ommatoiulus moreleti千足动物的土壤和肠道微生物组被测序.
- 微生物群落在遗留物,复原移植和对照地点进行了比较.
主要成果:
- 与遗留区域相比,修复地点显示出明显的微生物群落,即使在20年后.
- 垃圾和土壤移植并没有增加土壤微生物与遗留地点的相似性.
- 再利用显著增加了E. grandis肠道微生物群的多样性和丰富性,与土壤微生物群的重叠更大.
- 在O. moreleti的微生物组中,变化很小.
结论:
- 重生可以在生态恢复中部分恢复宿主-微生物相互作用和无脊椎动物多样性.
- 在宿主-微生物系统之间,重新野生化的有效性各不相同.
- 需要进一步的研究来优化微生物再引入策略,以全面恢复生态系统.
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