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Publication Type J
Authors Camacho-Sanchez, M., J. M. Barcia-Piedras, S. Redondo-Gomez and M. Camacho
Title Mediterranean seasonality and the halophyte Arthrocnemum macrostachyum determine the bacterial community in salt marsh soils in Southwest Spain
Source Applied Soil Ecology
Author Keywords Metagenomics DADA2 Salt pans Rhizosphere Southern Spain growth-promoting rhizobacteria salina sp nov. microbial community plant diversity rhizosphere root chenopodiaceae environments respiration reveals
Abstract Perennial halophytes dominate coastal ecosystems, but little is known about how the biotic and abiotic factors alter their microbial community. This study compares the bacterial diversity associated with the rhizosphere, with respect to adjacent soil, for the halophyte Arthrocnemum macrostachyum in high salt marshes in Southern Spain, in dry and wet seasons (July and October, respectively) using metagenomics coupled with High-Throughput Sequencing. The read-based analysis revealed that seven phyla (Proteobacteria, Actinobacteria, Bacteroidetes, Gemmatimonadetes, Chloroflexi, Firmicutes and Acidobacteria) accounted for the 90% of the diversity and 94% of the abundance and that, seasonal and spatial variations in soil salinity were the main determinants of the bacterial community diversity in these marshes, compared to the apparent no effect of the plant. However, at A. macrostachyum flowering stage, the bacterial community associated with the rhizosphere was comparatively more diverse than that inhabiting adjacent bulk soil, suggesting a more intensive plant-microbe interaction during this period.
Author Address [Camacho-Sanchez, Miguel; Barcia-Piedras, Jose M.; Camacho, Maria] Ctr Lad Torres Tomejil, IFAPA Inst Invest & Formac Agr & Pesquera, Ctra Sevilla Cazalla Sierra, Ctra Sevilla Cassalla Sierra,Km 12-2, Alcala Del Rio 41200, Spain. [Redondo-Gomez, Susana] Univ Seville, Fac Biol, Dept Biol Vegetal & Ecol, Seville, Spain. Camacho-Sanchez, M; Camacho, M (reprint author), Ctr Lad Torres Tomejil, IFAPA Inst Invest & Formac Agr & Pesquera, Ctra Sevilla Cazalla Sierra, Ctra Sevilla Cassalla Sierra,Km 12-2, Alcala Del Rio 41200, Spain. miguelcamachosanchez@gmail.com; mariag.camachomartinez@juntadeandalucia.es
ISSN 0929-1393
ISBN 0929-1393
29-Character Source Abbreviation Appl. Soil Ecol.
Publication Date Jul
Year Published 2020
Volume 151
Digital Object Identifier (DOI) 10.1016/j.apsoil.2020.103532
Unique Article Identifier WOS:000523298300007
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