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

被引：11

作者：

de Albuquerque, Tayna Mendes ^{[1
]}

Mendes, Lucas William ^{[2
]}

Barbosa Rocha, Sandra Mara ^{[3
]}

Lopes Antunes, Jadson Emanuel ^{[3
]}

de Souza Oliveira, Louise Melo ^{[3
]}

Maciel Melo, Vania Maria ^{[4
]}

Silva Oliveira, Francisca Andrea ^{[4
]}

de Araujo Pereira, Arthur Prudencio ^{[5
]}

da Silva, Veronica Brito ^{[1
]}

Ferreira Gomes, Regina Lucia ^{[1
]}

Neto, Francisco de Alcantara ^{[1
]}

de Almeida Lopes, Angela Celis ^{[1
]}

Rocha, Maurisrael de Moura ^{[6
]}

Ferreira Araujo, Ademir Sergio ^{[3
]}

机构：

[1] Univ Fed Piaui, Agr Sci Ctr, Plant Genet Resource Grp, Teresina, PI, Brazil

[2] Univ Sao Paulo, Ctr Nucl Energy Agr, Piracicaba, SP, Brazil

[3] Univ Fed Piaui, Agr Sci Ctr, Soil Microbial Ecol Grp, Teresina, PI, Brazil

[4] Univ Fed Ceara, Lab Ecol Microbiana E Biotecnol, Fortaleza, Ceara, Brazil

[5] Univ Fed Ceara, Soil Sci Dept, Fortaleza, Ceara, Brazil

[6] Embrapa Meio Norte, Teresina, PI, Brazil

来源：

SCIENTIFIC REPORTS | 2022年 / 12卷 / 01期

关键词：

GEN; NOV; MICROBIOME; DIVERSITY; NITROGEN; WILD;

D O I：

10.1038/s41598-022-06860-x

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页数：11

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