+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

Pyrosequencing-based assessment of bacterial community structure along different management types in German forest and grassland soils

, : Pyrosequencing-based assessment of bacterial community structure along different management types in German forest and grassland soils. Plos One 6(2): E17000-E17000

Soil bacteria are important drivers for nearly all biogeochemical cycles in terrestrial ecosystems and participate in most nutrient transformations in soil. In contrast to the importance of soil bacteria for ecosystem functioning, we understand little how different management types affect the soil bacterial community composition. We used pyrosequencing-based analysis of the V2-V3 16S rRNA gene region to identify changes in bacterial diversity and community structure in nine forest and nine grassland soils from the Schwäbische Alb that covered six different management types. The dataset comprised 598,962 sequences that were affiliated to the domain Bacteria. The number of classified sequences per sample ranged from 23,515 to 39,259. Bacterial diversity was more phylum rich in grassland soils than in forest soils. The dominant taxonomic groups across all samples (>1% of all sequences) were Acidobacteria, Alphaproteobacteria, Actinobacteria, Betaproteobacteria, Deltaproteobacteria, Gammaproteobacteria, and Firmicutes. Significant variations in relative abundances of bacterial phyla and proteobacterial classes, including Actinobacteria, Firmicutes, Verrucomicrobia, Cyanobacteria, Gemmatimonadetes and Alphaproteobacteria, between the land use types forest and grassland were observed. At the genus level, significant differences were also recorded for the dominant genera Phenylobacter, Bacillus, Kribbella, Streptomyces, Agromyces, and Defluviicoccus. In addition, soil bacterial community structure showed significant differences between beech and spruce forest soils. The relative abundances of bacterial groups at different taxonomic levels correlated with soil pH, but little or no relationships to management type and other soil properties were found. Soil bacterial community composition and diversity of the six analyzed management types showed significant differences between the land use types grassland and forest. Furthermore, bacterial community structure was largely driven by tree species and soil pH.


PMID: 21359220

DOI: 10.1371/journal.pone.0017000

Other references

Muse, K., 1992: Hormonal manipulation in the treatment of premenstrual syndrome. Clinical Obstetrics and Gynecology 35(3): 658-666

Robinson, A.; Andrews-Hall, S.; Cubit, K.; Fassett, M.; Venter, L.; Menzies, B.; Jongeling, L., 2007: Attracting students to aged care: the impact of a supportive orientation. The 'Building connections in aged care' project sought to investigate quality clinical placements for undergraduate nursing students in residential aged care facilities in Tasmania, Australia. Aged care reportedly holds little attraction...

Brown, S., L.; Svrakic, D., M.; Przybeck, T., R.; Cloninger, C.R.bert, 1992: The relationship of personality to mood and anxiety states: A dimensional approach. This study evaluates the relationship of personality to mood and anxiety states in a sample of 50 psychiatric out patients. In order to overcome arbitrariness inherent in categorical diagnoses of affective, personality and anxiety disorders, we us...

Simjee A.E.; Bhoola R.L.; Spitaels J.M.; Manion G.L., 1988: Pirenzepine and cimetidine for duodenal ulcers a comparative randomized double blind controlled study. A double-blind controlled trial was undertaken to compare the relative effectiveness of pirenzepine (Gastrozepin; Boehringer Ingelheim) and cimetidine (Tagamet; SK and F) in healing endoscopically proven duodenal ulcers. Thirty patients with duode...

Butenandt, O., 1989: Diagnostic value of growth hormone-releasing hormone tests in short children. The growth hormone-releasing hormone (GHRH) test was applied to more than 230 children. Twenty-five out of 61 patients with proven growth hormone (GH) deficiency responded to GHRH with a GH increase of greater than 10 ng/ml. In most of the patient...

Kholodov V.N.; Akhmet yev M.A.; Gavrilov Y.O.; Nedumov R.I., 1980: The tube-bearing horizons in the Chokraksiy sediments of the Checheno-Groznenskaya Depression. Izvestiya Akademii Nauk SSSR: a Geologicheskaya. 1980; 6, Pages 138-142. 1980.

Meredith G.M., 1985: 2 rating indicators of excellence in teaching in lecture format courses. Stepwise multiple regression analysis was used to predict 2 criterion measures of teaching excellence. Findings partially support Lowman's 2-dimensional model of masterful teaching.

DEAN.A.L.; LATTIMER.J.K.; McCOY.C.B., 1957: The standardized Columbia University cystogram. Journal of Urology 78(5): 662-668

Smith, George, 1957: Some new and interesting species of micro-fungi. The following new species are described: Mucor vesiculosus, from garden soil, Harrow; M. petrinsularis Naumov. var. avalisgorus, from human ear; Penicillium cylindrosporum aerial contaminant; P. albo-aurantium, from garden soil; P. radulatum, from...

Wouters Wesseling, W.; Wagenaar, L.W.; Groot, L.C.P.G.M. de; Bindels, J.G.; Staveren, W.A. van, 2003: Biochemical antioxidant levels respond to supplementation with an enriched drink in frail elderly people. Objective: To investigate whether a drink enriched with essential vitamins and minerals can improve biochemical status of enzymatic and non-enzymatic antioxidants in frail elderly people. Methods: A six-month randomized, double blind, placebo cont...