Strong Regionality and Dominance of Anaerobic Bacterial Taxa Characterize Diazotrophic Bacterial Communities of the Arcto-Alpine Plant Species Oxyria digyna and Saxifraga oppositifolia

• Published in: Frontiers in Microbiology
• Main Authors: Manoj Kumar, Jan Dirk van Elsas, Riitta Nissinen
• Format: Article in Journal/Newspaper
• Language: English
• Published: Frontiers Media S.A. 2017
• Subjects: nifH; pioneer plants; Geobacter; Clostridium; endophytic bacteria; Microbiology; QR1-502; Arctic; Kilpisjärvi; Ny-Ålesund; Ny Ålesund; Oxyria digyna; permafrost; Saxifraga oppositifolia
• Online Access: https://doi.org/10.3389/fmicb.2017.01972; https://doaj.org/article/24fb3ae9483448298a1cbae4272f2703

Arctic and alpine biomes are most often strongly nitrogen-limited, and hence biological nitrogen fixation is a strong driver of these ecosystems. Both biomes are characterized by low temperatures and short growing seasons, but they differ in seasonality of solar radiation and in soil water balance d...