Genetically related genotypes of cowpea present similar bacterial community in the rhizosphere.

Autor: de Albuquerque TM; Plant Genetic Resource Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., Mendes LW; Center for Nuclear Energy in Agriculture, University of Sao Paulo, Piracicaba, SP, Brazil., Rocha SMB; Soil Microbial Ecology Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., Antunes JEL; Soil Microbial Ecology Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., Oliveira LMS; Soil Microbial Ecology Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., Melo VMM; Laboratório de Ecologia Microbiana E Biotecnologia, Federal University of Ceará, Fortaleza, CE, Brazil., Oliveira FAS; Laboratório de Ecologia Microbiana E Biotecnologia, Federal University of Ceará, Fortaleza, CE, Brazil., Pereira APA; Soil Science Department, Federal University of Ceará, Fortaleza, CE, Brazil., da Silva VB; Plant Genetic Resource Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., Gomes RLF; Plant Genetic Resource Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., de Alcantara Neto F; Plant Genetic Resource Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., Lopes ACA; Plant Genetic Resource Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil., de Moura Rocha M; Embrapa Meio Norte, Teresina, PI, Brazil., Araujo ASF; Soil Microbial Ecology Group, Agricultural Science Center, Federal University of Piauí, Teresina, PI, Brazil. asfaruaj@yahoo.com.br.
Jazyk: angličtina
Zdroj: Scientific reports [Sci Rep] 2022 Mar 02; Vol. 12 (1), pp. 3472. Date of Electronic Publication: 2022 Mar 02.
DOI: 10.1038/s41598-022-06860-x
Abstrakt: Plant breeding reduces the genetic diversity of plants and could influence the composition, structure, and diversity of the rhizosphere microbiome, selecting more homogeneous and specialized microbes. In this study, we used 16S rRNA sequencing to assess the bacterial community in the rhizosphere of different lines and modern cowpea cultivars, to investigate the effect of cowpea breeding on bacterial community assembly. Thus, two African lines (IT85F-2687 and IT82D-60) and two Brazilian cultivars (BRS-Guariba and BRS-Tumucumaque) of cowpea were assessed to verify if the generation advance and genetic breeding influence the bacterial community in the rhizosphere. No significant differences were found in the structure, richness, and diversity of bacterial community structure between the rhizosphere of the different cowpea genotypes, and only slight differences were found at the OTU level. The complexity of the co-occurrence network decreased from African lines to Brazilian cultivars. Regarding functional prediction, the core functions were significantly altered according to the genotypes. In general, African lines presented a more abundance of groups related to chemoheterotrophy, while the rhizosphere of the modern cultivars decreased functions related to cellulolysis. This study showed that the genetic breeding process affects the dynamics of the rhizosphere community, decreasing the complexity of interaction in one cultivar. As these cowpea genotypes are genetically related, it could suggest a new hypothesis of how genetic breeding of similar genotypes could influence the rhizosphere microbiome.
(© 2022. The Author(s).)
Databáze: MEDLINE
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