Syranidou Evdokia, Thijs Sofie, Avramidou Marina, Weyens Nele, Venieri Danae, Pintelon Isabel, Vangronsveld Jaco, Kalogerakis Nicolas
School of Environmental Engineering, Technical University of Crete, Chania, Greece.
Centre for Environmental Sciences, Hasselt University, Diepenbeek, Belgium.
Front Plant Sci. 2018 Oct 18;9:1526. doi: 10.3389/fpls.2018.01526. eCollection 2018.
Plants and their associated bacteria play a crucial role in constructed wetlands. In this study, the impact of different levels of pollution and bioaugmentation with indigenous strains individually or in consortia was investigated on the composition of the endophytic microbial communities of . Five treatments were examined and compared in where the wetland plant was exposed to increasing levels of metal pollution (Zn, Ni, Cd) and emerging pollutants (BPA, SMX, CIP), enriched with different combinations of single or mixed endophytic strains. High levels of mixed pollution had a negative effect on alpha diversity indices of the root communities; moreover, the diversity indices were negatively correlated with the increasing metal concentrations. It was demonstrated that the root communities were separated depending on the level of mixed pollution, while the family exhibited the higher relative abundance within the root endophytic communities from high and low polluted treatments. This study highlights the effects of pollution and inoculation on phytoremediation efficiency based on a better understanding of the plant microbiome community composition.
植物及其相关细菌在人工湿地中起着至关重要的作用。在本研究中，分别或联合使用本地菌株进行生物强化，并研究了不同污染水平对[湿地植物名称]内生微生物群落组成的影响。研究考察并比较了五种处理方式，其中湿地植物暴露于不断增加的金属污染（锌、镍、镉）和新兴污染物（双酚A、磺胺甲恶唑、环丙沙星）中，并添加了不同组合的单一或混合内生菌株。高水平的混合污染对根部群落的α多样性指数有负面影响；此外，多样性指数与金属浓度的增加呈负相关。结果表明，根部群落根据混合污染水平而分离，而[具体科名]在高污染和低污染处理的根部内生群落中表现出较高的相对丰度。本研究基于对植物微生物群落组成的更好理解，突出了污染和接种对植物修复效率的影响。
