Environmental factors affect Acidobacterial communities below the subgroup level in grassland and forest soils.
Astrid Naether,Astrid Naether,Bärbel U. Foesel,Bärbel U. Foesel,Verena Naegele,Pia K. Wüst,Jan Weinert,Michael Bonkowski,Fabian Alt,Yvonne Oelmann,Andrea Polle,Gertrud Lohaus,Sonja Gockel,Andreas Hemp,Elisabeth K. V. Kalko,Karl Eduard Linsenmair,Simone Pfeiffer,Swen C. Renner,Ingo Schöning,Wolfgang W. Weisser,Konstans Wells,Markus Fischer,Markus Fischer,Jörg Overmann,Jörg Overmann,Jörg Overmann,Michael W. Friedrich,Michael W. Friedrich +27 more
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TLDR
Edaphic properties, such as pH, organic carbon, total nitrogen, C/N ratio, phosphorus, nitrate, ammonium, soil moisture, soil temperature, and soil respiration, had an impact on community composition as assessed by fingerprinting, but interrelations with environmental parameters among subgroup terminal restriction fragments (T-RFs) differed significantly, e.g., different Gp1 T- RFs correlated positively or negatively with nitrogen content.Abstract:
In soil, Acidobacteria constitute on average 20% of all bacteria, are highly diverse, and are physiologically active in situ. However, their individual functions and interactions with higher taxa in soil are still unknown. Here, potential effects of land use, soil properties, plant diversity, and soil nanofauna on acidobacterial community composition were studied by cultivation-independent methods in grassland and forest soils from three different regions in Germany. The analysis of 16S rRNA gene clone libraries representing all studied soils revealed that grassland soils were dominated by subgroup Gp6 and forest soils by subgroup Gp1 Acidobacteria. The analysis of a large number of sites (n = 57) by 16S rRNA gene fingerprinting methods (terminal restriction fragment length polymorphism [T-RFLP] and denaturing gradient gel electrophoresis [DGGE]) showed that Acidobacteria diversities differed between grassland and forest soils but also among the three different regions. Edaphic properties, such as pH, organic carbon, total nitrogen, C/N ratio, phosphorus, nitrate, ammonium, soil moisture, soil temperature, and soil respiration, had an impact on community composition as assessed by fingerprinting. However, interrelations with environmental parameters among subgroup terminal restriction fragments (T-RFs) differed significantly, e.g., different Gp1 T-RFs correlated positively or negatively with nitrogen content. Novel significant correlations of Acidobacteria subpopulations (i.e., individual populations within subgroups) with soil nanofauna and vascular plant diversity were revealed only by analysis of clone sequences. Thus, for detecting novel interrelations of environmental parameters with Acidobacteria, individual populations within subgroups have to be considered.read more
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Evaluación de la diversidad taxonómica y funcional de la comunidad microbiana relacionada con el ciclo del nitrógeno en suelos de cultivo de arroz con diferentes manejos del tamo
Carreño Carreño,Jibda del Pilar +1 more
TL;DR: The impact of the quema de arroz on the microorganismos edaficos in the disponibilidad and ciclaje de nutrientes is poco conocido, es por esto que el retorno de los residuos vegetales al suelo ha been propuesto como una alternativa de manejo eficiente de los residentes pos-cosecha.
Journal ArticleDOI
Inner Plant Values: Diversity, Colonization and Benefits from Endophytic Bacteria.
Hongwei Liu,Hongwei Liu,Lilia C. Carvalhais,Mark Crawford,Eugenie Singh,Paul G. Dennis,Corné M. J. Pieterse,Peer M. Schenk +7 more
TL;DR: A synthesis of available data suggest that motility, plant cell-wall degradation ability and reactive oxygen species scavenging seem to be crucial traits for successful endophytic colonization and establishment of bacteria.
Journal ArticleDOI
Forest Soil Bacteria: Diversity, Involvement in Ecosystem Processes, and Response to Global Change
TL;DR: Bacteria contribute to a range of essential soil processes involved in the cycling of carbon, nitrogen, and phosphorus, and mediate multiple critical steps in the nitrogen cycle, including N fixation.
Journal ArticleDOI
Bacterial community compositions of coking wastewater treatment plants in steel industry revealed by Illumina high-throughput sequencing
Qiao Ma,Yuanyuan Qu,Wenli Shen,Zhaojing Zhang,Jingwei Wang,Liu Ziyan,Duanxing Li,Li Huijie,Jiti Zhou +8 more
TL;DR: High-throughput sequencing was used to reveal the community structures of nine coking wastewater treatment plants in China for the first time and indicated that operation mode, flow rate and temperature might be the key factors in community formation.
Journal ArticleDOI
Abundance and Diversity of Bacterial, Archaeal, and Fungal Communities Along an Altitudinal Gradient in Alpine Forest Soils: What Are the Driving Factors?
José A. Siles,Rosa Margesin +1 more
TL;DR: Investigating soil archaeal, bacterial, and fungal communities at four Alpine forest sites representing a climosequence regarding abundance and diversity by using qPCR and Illumina sequencing found the site at the lowest altitude harbored the highest bacterial richness and diversity, although richness/diversity community properties did not show a monotonic decrease along the gradient.
References
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