Next Article in Journal
Bifidobacterium bifidum: A Key Member of the Early Human Gut Microbiota
Previous Article in Journal
First Proteomic Approach to Identify Cell Death Biomarkers in Wine Yeasts during Sparkling Wine Production
Open AccessArticle

The Effect of Nitrogen Content on Archaeal Diversity in an Arctic Lake Region

1
College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China
2
Key Lab of Marine Bioactive Substances, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
3
Department of Biochemistry and Molecular biology, School of Basic Medicine, Qingdao University, Qingdao 266071, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Microorganisms 2019, 7(11), 543; https://doi.org/10.3390/microorganisms7110543
Received: 15 October 2019 / Revised: 4 November 2019 / Accepted: 7 November 2019 / Published: 8 November 2019
The function of Arctic soil ecosystems is crucially important for the global climate, and nitrogen (N) is the major limiting nutrient in these environments. This study assessed the effects of changes in nitrogen content on archaeal community diversity and composition in the Arctic lake area (London Island, Svalbard). A total of 16S rRNA genes were sequenced to investigate archaeal community composition. First, the soil samples and sediment samples were significantly different for the geochemical properties and archaeal community composition. Thaumarchaeota was an abundant phylum in the nine soil samples. Moreover, Euryarchaeota, Woesearchaeota, and Bathyarchaeota were significantly abundant phyla in the three sediment samples. Second, it was found that the surface runoff caused by the thawing of frozen soil and snow changed the geochemical properties of soils. Then, changes in geochemical properties affected the archaeal community composition in the soils. Moreover, a distance-based redundancy analysis revealed that NH4+–N (p < 0.05) and water content were the most significant factors that correlated with the archaeal community composition. Our study suggests that nitrogen content plays an important role in soil archaeal communities. Moreover, archaea play an important role in the carbon and nitrogen cycle in the Arctic lake area.
Keywords: nitrogen content; geochemical factor; high-throughput sequencing; archaeal diversity and community composition; soils and lake sediments nitrogen content; geochemical factor; high-throughput sequencing; archaeal diversity and community composition; soils and lake sediments
MDPI and ACS Style

Lv, J.; Liu, F.; Han, W.; Wang, Y.; Zhu, Q.; Zang, J.; Wang, S.; Zhang, B.; Wang, N. The Effect of Nitrogen Content on Archaeal Diversity in an Arctic Lake Region. Microorganisms 2019, 7, 543.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop