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| DOI | 10.1093/femsec/fiae022 |
| Impacts of humic substances, elevated temperature, and UVB radiation on bacterial communities of the marine sponge Chondrilla sp | |
| 发表日期 | 2024 |
| ISSN | 0168-6496 |
| EISSN | 1574-6941 |
| 起始页码 | 100 |
| 结束页码 | 3 |
| 卷号 | 100期号:3 |
| 英文摘要 | Sponges are abundant components of coral reefs known for their filtration capabilities and intricate interactions with microbes. They play a crucial role in maintaining the ecological balance of coral reefs. Humic substances (HS) affect bacterial communities across terrestrial, freshwater, and marine ecosystems. However, the specific effects of HS on sponge-associated microbial symbionts have largely been neglected. Here, we used a randomized-controlled microcosm setup to investigate the independent and interactive effects of HS, elevated temperature, and UVB radiation on bacterial communities associated with the sponge Chondrilla sp. Our results indicated the presence of a core bacterial community consisting of relatively abundant members, apparently resilient to the tested environmental perturbations, alongside a variable bacterial community. Elevated temperature positively affected the relative abundances of ASVs related to Planctomycetales and members of the families Pseudohongiellaceae and Hyphomonadaceae. HS increased the relative abundances of several ASVs potentially involved in recalcitrant organic matter degradation (e.g., the BD2-11 terrestrial group, Saccharimonadales, and SAR202 clade). There was no significant independent effect of UVB and there were no significant interactive effects of HS, heat, and UVB on bacterial diversity and composition. The significant, independent impact of HS on the composition of sponge bacterial communities suggests that alterations to HS inputs may have cascading effects on adjacent marine ecosystems. Humic substances modified bacterial composition within Chondrilla sp. sponges and enriched bacteria potentially involved in recalcitrant organic matter degradation while temperature and exposure to UVB had only minor and negligible effects, respectively. |
| 英文关键词 | climate change; coral reefs; DOM; sponge microbiome; terrestrial organic matter |
| 语种 | 英语 |
| WOS研究方向 | Microbiology |
| WOS类目 | Microbiology |
| WOS记录号 | WOS:001176103100001 |
| 来源期刊 | FEMS MICROBIOLOGY ECOLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/289030 |
| 作者单位 | Universidade de Aveiro; Universidade de Aveiro; Naturalis Biodiversity Center; Leiden University; Leiden University - Excl LUMC; Universidade de Aveiro; Universidade de Aveiro |
| 推荐引用方式 GB/T 7714 | . Impacts of humic substances, elevated temperature, and UVB radiation on bacterial communities of the marine sponge Chondrilla sp[J],2024,100(3). |
| APA | (2024).Impacts of humic substances, elevated temperature, and UVB radiation on bacterial communities of the marine sponge Chondrilla sp.FEMS MICROBIOLOGY ECOLOGY,100(3). |
| MLA | "Impacts of humic substances, elevated temperature, and UVB radiation on bacterial communities of the marine sponge Chondrilla sp".FEMS MICROBIOLOGY ECOLOGY 100.3(2024). |
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