Structure and diversity of bacterial community in semiarid soils cultivated with prickly-pear cactus (Opuntia ficus-indica (L.) Mill.)

An Acad Bras Cienc. 2021 Jun 16;93(3):e20190183. doi: 10.1590/0001-3765202120190183. eCollection 2021.ABSTRACTStudies evaluating the structure and diversity of bacterial communities in arid environments including the rhizosphere of local and adapted plant species are important. Therefore, we used a sequencing of the 16S ribosomal RNA gene for describing the structure and diversity of soil bacterial community in three zones: Agreste, Transition and Sertão. The bacterial community was clustered in 9,838 OTUs in Agreste, 8,388 OTUs in the transition, and 14,849 OTUs for Sertão. Among the most abundant phyla, Proteobacteria and Acidobacteria were abundant in Agreste and Sertão, respectively, while Actinobacteria were abundant in Transition and Sertão. Specific taxa of Proteobacteria, in Agreste, and Actinobacteria, in Sertão, exhibited differences according to biotic and abiotic conditions. Thus, the structure and diversity of bacterial community were different in these areas and were influenced by environmental and soil conditions.PMID:34161510 | DOI:10.1590/0001-3765202120190183

Source: An Acad Bras Cienc - June 23, 2021 Category: Science Authors: Maria DO Carmo C P DE Lyra Rodrigo G Taketani Ana Dolores S DE Freitas Carolina E R S E Silva Ad ália C E S Mergulhão Maria Luiza R B DA Silva Jadson E L S Antunes Ademir S F DE Ara újo Poliana F Giachetto Source Type: research