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Bogas AC, Ferreira AJ, Araújo WL, et al. Endophytic bacterial diversity in the phyllosphere of Amazon Paullinia cupana associated with asymptomatic and symptomatic anthracnose. Springerplus. 2015;4:258doi: 10.1186/s40064-015-1037-0.
Bogas, A. C., Ferreira, A. J., Araújo, W. L., Astolfi-Filho, S., Kitajima, E. W., Lacava, P. T., & Azevedo, J. L. (2015). Endophytic bacterial diversity in the phyllosphere of Amazon Paullinia cupana associated with asymptomatic and symptomatic anthracnose. SpringerPlus, 4258. https://doi.org/10.1186/s40064-015-1037-0
Bogas, Andréa Cristina, et al. "Endophytic bacterial diversity in the phyllosphere of Amazon Paullinia cupana associated with asymptomatic and symptomatic anthracnose." SpringerPlus vol. 4 (2015): 258. doi: https://doi.org/10.1186/s40064-015-1037-0
Bogas AC, Ferreira AJ, Araújo WL, Astolfi-Filho S, Kitajima EW, Lacava PT, Azevedo JL. Endophytic bacterial diversity in the phyllosphere of Amazon Paullinia cupana associated with asymptomatic and symptomatic anthracnose. Springerplus. 2015 Jun 13;4:258. doi: 10.1186/s40064-015-1037-0. eCollection 2015. PMID: 26090305; PMCID: PMC4467821.
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Springerplus. 2015 Jun 13;4:258. doi: 10.1186/s40064-015-1037-0. eCollection 2015.

Endophytic bacterial diversity in the phyllosphere of Amazon Paullinia cupana associated with asymptomatic and symptomatic anthracnose.

SpringerPlus

Andréa Cristina Bogas, Almir José Ferreira, Welington Luiz Araújo, Spartaco Astolfi-Filho, Elliot Watanabe Kitajima, Paulo Teixeira Lacava, João Lúcio Azevedo

Affiliations

  1. Department of Genetics, "Luiz de Queiroz" College of Agriculture, University of São Paulo, Av. Pádua Dias 11, PO BOX 83, Piracicaba, SP 13400-970 Brazil.
  2. Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, Av. Prof. Lineu Prestes, 1374-Ed. Biomédicas II, Cidade Universitária, São Paulo, SP 05508-900 Brazil.
  3. Molecular Diagnostic Laboratory, Biotechnology Division, Federal University of Amazon, Av. Gal. Rodrigo Octávio Jordão, 3000, Manaus, AM 69.077-000 Brazil.
  4. Department of Plant Pathology and Nematology, ''Luiz de Queiroz'' College of Agriculture, University of São Paulo, Av. Pádua Dias 11, Piracicaba, SP 13418-900 Brazil.
  5. Center of Biological Sciences and Health, Federal University of São Carlos, Via Washington Luís km 235, PO BOX 676, São Carlos, SP 13565-905 Brazil.

PMID: 26090305 PMCID: PMC4467821 DOI: 10.1186/s40064-015-1037-0

Abstract

Endophytes colonize an ecological niche similar to that of phytopathogens, which make them candidate for disease suppression. Anthracnose is a disease caused by Colletotrichum spp., a phytopathogen that can infect guarana (Paullinia cupana), an important commercial crop in the Brazilian Amazon. We investigated the diversity of endophytic bacteria inhabiting the phyllosphere of asymptomatic and symptomatic anthracnose guarana plants. The PCR-denaturation gradient gel electrophoresis (PCR-DGGE) fingerprints revealed differences in the structure of the evaluated communities. Detailed analysis of endophytic bacteria composition using culture-dependent and 16S rRNA clone libraries revealed the presence of Firmicutes, Proteobacteria, Actinobacteria, Bacteroidetes, and Acidobacteria phyla. Firmicutes comprised the majority of isolates in asymptomatic plants (2.40E(-4)). However, cloning and sequencing of 16S rRNA revealed differences at the genus level for Neisseria (1.4E(-4)), Haemophilus (2.1E(-3)) and Arsenophonus (3.6E(-5)) in asymptomatic plants, Aquicella (3.5E(-3)) in symptomatic anthracnose plants, and Pseudomonas (1.1E(-3)), which was mainly identified in asymptomatic plants. In cross-comparisons of the endophytic bacterial communities as a whole, symptomatic anthracnose plants contained higher diversity, as reflected in the Shannon-Weaver and Simpson indices estimation (P < 0.05). Similarly, comparisons using LIBSHUFF and heatmap analysis for the relative abundance of operational taxonomic units (OTUs) showed differences between endophytic bacterial communities. These data are in agreement with the NMSD and ANOSIM analysis of DGGE profiles. Our results suggest that anthracnose can restructure endophytic bacterial communities by selecting certain strains in the phyllosphere of P. cupana. The understanding of these interactions is important for the development of strategies of biocontrol for Colletotrichum.

Keywords: Clone library; Colletotrichum; Culture dependent; Endophytes; Microbial diversity; PCR-DGGE

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