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  4. Characterization of Microbial Communities from the Rhizosphere of the Royal Palm (Roystonea oleracea) in a RAMSAR Wetland in Ecuador
 
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Characterization of Microbial Communities from the Rhizosphere of the Royal Palm (Roystonea oleracea) in a RAMSAR Wetland in Ecuador

Journal
Soil Microbiome in Green Technology Sustainability
Date Issued
2024
Author(s)
Andrade, Jean Carlo
Facultad de Ciencias del Medio Ambiente
Santiago Mafla
Emily Avila
José Herándes
Type
book-chapter
DOI
10.1007/978-3-031-71844-1_19
URL
https://cris.indoamerica.edu.ec/handle/123456789/9649
Abstract
The interaction between the rhizosphere and the microbial communities that develop in this area is essential to understanding plant-microorganism processes such as nutrient availability or the development and suppression of plant diseases. Sequencing approaches have provided relevant insights into the microbiomes of plant rhizospheres such as the ecological interactions that are essential for the regulation of biogeochemical cycles inside wetlands. This research characterized some microbial communities present around an area close to the rhizosphere of the Roystonea oleracea palm. In this sense, ions present in four soil samples (M1, M2, M3 & M4) were quantified by spectrophotometry techniques to get an approximation of soil nutrients variation in this area. Later, the metabolic diversity of the bacterial communities cultivated from the samples was carried out using the BIOLOG EcoPlate™ kit. In addition, some isolated strains were analyzed through DGGE analysis of the 16 s rDNA gene amplified by PCR, founding that the most representative genera of the microorganisms obtained were Bacillus and Bovista. The results of a multidimensional scaling analysis of the banding pattern showed that M1 and M4 are 80% similar to each other. Finally, an antagonism test was performed between the microbial communities resulting in no antagonistic relationships observed.
Subjects
  • Microbial communities...

  • RAMSAR

  • Rhizosphere

  • Wetland

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