Untangling microbial diversity and assembly patterns in rare earth element mine drainage in South China

Chen, Ziwu; Fei, Ying-heng; Liu, Wen-Shen; Ding, Kengbo; Lu, Jianing; Cai, Xuan; Cui, Tuantuan; Tang, Yetao; Wang, Shizhong; Chao, Yuanqing; Qiu, Rongliang

doi:10.1016/j.watres.2022.119172

Cited by 10 publications

(1 citation statement)

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“…The presence and survival of Chytridiomycota and other key phyla in heavy metal soil samples suggest the potential use of tolerant species in bioremediation [124]. It was observed that fungal communities, including the taxa of Chytridiomycota, in rivers impacted by rare-earth-element acid mine drainage respond more robustly compared to prokaryotic networks [186]. These observations suggest that our further understanding of what mechanisms influence changes in microbial communities is required to reduce the impact of these pollutants on the microbial diversity of an environment.…”

Section: Further Researchmentioning

confidence: 99%

Chytrids in Soil Environments: Unique Adaptations and Distributions

2023

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Chytridiomycota (zoosporic true fungi) have a consistent presence in soils and have been frequently identified within many diverse terrestrial environments. However, Chytridiomycota and other early-diverging fungi have low representation in whole-genome sequencing databases compared to Dikarya. New molecular techniques have provided insights into the diversity and abundance of chytrids in soils and the changes in their populations both spatially and temporally. Chytrids complete their life cycle within rapidly changing soil environments where they may be more common within micropores due to protection from predation, desiccation, and extreme temperatures. Reproductive and morphological changes occur in response to environmental changes including pH, fluctuating nutrient concentrations, and metals at levels above toxic thresholds. Rhizoids share some features of hyphae, including the spatial regulation of branching and the ability to attach, adapt to, and proliferate in different substrates, albeit on a microscale. Soil chytrids provide a pool of novel enzymes and proteins which enable a range of lifestyles as saprotrophs or parasites, but also can be utilised as alternative tools with some biotechnological applications. Thus, 3D live-cell imaging and micromodels such as MicroCT may provide insight into zoospore functions and rhizoid plasticity, respectively, in response to various conditions. A combination of classical techniques of soil chytrid baiting with simultaneous molecular and ecological data will provide insights into temporal population changes in response to environmental change. The authors emphasise the need to review and improve DNA-based methodologies for identifying and quantifying chytrids within the soil microbiome to expand our knowledge of their taxonomy, abundance, diversity, and functionality within soil environments.

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Section: Further Researchmentioning

confidence: 99%