Abstract
Freshwater lake sediments support a variety of submerged macrophytes that may host groups of bacteria exerting important ecological functions. We collected three kinds of commonly found submerged macrophyte species (Ceratophyllum demersum, Vallisneria spiralis and Elodea nuttallii) to investigate the bacterial community associated with their rhizosphere sediments. High-throughput 454 pyrosequencing and bioinformatics analyses were performed to examine the diversity and composition of the bacterial community. The results obtained indicated that the diversity of the bacterial community associated with the rhizosphere sediments of submerged macrophytes was significantly lower than that of the bulk sediment. Remarkable differences in the bacterial community composition between the rhizosphere and bulk sediments were also observed.
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Acknowledgments
We thank Mr. Feng Shen his help in the data analysis. This work was supported by the National Natural Science Foundation of China (41371098, 41571108 and 41671078), Natural Science Foundation of Jiangsu Province, China (BK20151614), the Special Fund of State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering (20145027312, 20155019012), the Fundamental Research Funds for the Central Universities (2015B14214) and Qing Lan Project of Jiangsu Province.
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Zhao, D., Wang, S., Huang, R. et al. Diversity and composition of bacterial community in the rhizosphere sediments of submerged macrophytes revealed by 454 pyrosequencing. Ann Microbiol 67, 313–319 (2017). https://doi.org/10.1007/s13213-017-1262-6
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DOI: https://doi.org/10.1007/s13213-017-1262-6