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首页> 外文期刊>Applied Microbiology >Recovery and Community Succession of the Zostera marina Rhizobiome after Transplantation
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Recovery and Community Succession of the Zostera marina Rhizobiome after Transplantation

机译：移植后Zostera Marina Rhizobiome的恢复和社区连续

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Seagrasses can form mutualisms with their microbiomes that facilitate the exchange of energy sources, nutrients, and hormones and ultimately impact plant stress resistance. Little is known about community succession within the belowground seagrass microbiome after disturbance and its potential role in the plant’s recovery after transplantation. We transplanted Zostera marina shoots with and without an intact rhizosphere and cultivated plants for 4 weeks while characterizing microbiome recovery and effects on plant traits. Rhizosphere and root microbiomes were compositionally distinct, likely representing discrete microbial niches. Furthermore, microbiomes of washed transplants were initially different from those of sod transplants and recovered to resemble an undisturbed state within 14 days. Conspicuously, changes in the microbial communities of washed transplants corresponded with changes in the rhizosphere sediment mass and root biomass, highlighting the strength and responsive nature of the relationship between plants, their microbiome, and the environment. Potential mutualistic microbes that were enriched over time include those that function in the cycling and turnover of sulfur, nitrogen, and plant-derived carbon in the rhizosphere environment. These findings highlight the importance and resilience of the seagrass microbiome after disturbance. Consideration of the microbiome will have meaningful implications for habitat restoration practices.IMPORTANCE Seagrasses are important coastal species that are declining globally, and transplantation can be used to combat these declines. However, the bacterial communities associated with seagrass rhizospheres and roots (the microbiome) are often disturbed or removed completely prior to transplantation. The seagrass microbiome benefits seagrasses through metabolite, nutrient, and phytohormone exchange and contributes to the ecosystem services of seagrass meadows by cycling sulfur, nitrogen, and carbon. This experiment aimed to characterize the importance and resilience of the seagrass belowground microbiome by transplanting Zostera marina with and without intact rhizospheres and tracking microbiome and plant morphological recovery over 4 weeks. We found the seagrass microbiome to be resilient to transplantation disturbance, recovering after 14 days. Additionally, microbiome recovery was linked with seagrass morphology, coinciding with increases in the rhizosphere sediment mass and root biomass. The results of this study can be used to include microbiome responses in informing future restoration work.
机译：海草可以与他们的微生物体形成相互主义，促进能源，营养素和激素的交换并最终影响植物应激抗性。在扰动后的地下海草微生物组内，众所周知，在植物移植后植物恢复的潜在作用中，众所周知。我们将Zostera Marina拍摄和没有完整的根际和培养植物移植4周，同时表征微生物核糖恢复和对植物特征的影响。根际和根部微生物体具有成型性差异，可能代表离散的微生物核桃。此外，洗涤的移植的微生物均初始与SOD移植物的移植物中的移植物中的微生物分离，并在14天内回收以类似于未受干扰的状态。显着地，洗涤移植的微生物群落的变化与根际沉积物质量和根生物量的变化相对应，突出了植物，微生物组和环境之间关系的强度和响应性。随着时间的推移富集的潜在互动微生物包括在根际环境中硫，氮气和植物衍生碳的循环和营业额发挥作用的微生物。这些调查结果突出了海草微生物组在干扰后的重要性和弹性。对微生物组的考虑将对栖息地修复措施具有有意义的影响。分类是海草是全球下降的重要沿海品种，并可用于打击这些下降的移植。然而，与海草脱菱根和根（微生物组）相关的细菌社区通常在移植之前完全干扰或除去。海草微生物组通过代谢物，营养和植物激素交流益处海草，并通过循环硫，氮和碳来促进海草草甸的生态系统服务。该实验旨在通过移植Zostera Marina，在4周内通过形成Zostera Marina及其跟踪微生物组和植物形态回收来表征海草的重要性和恢复性。我们发现海草微生物组是有弹性移植干扰，14天后恢复。另外，微生物组回收与海草形态相关联，随着根际沉积物质量和根生物质的增加而恰逢。该研究的结果可用于包括在通知未来的恢复工作方面的微生物组反应。

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