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TitleFungal endophytic community associated with guarana (Paullinia cupana var. Sorbilis): diversity driver by genotypes in the centre of origin
Author(s)Santos, Carla Isabel Arcanjo
Santos da Silva, Blenda Naara
Amorim Ferreira e Ferreira, Ana Francisca Tibúrcia
Santos, Cledir
Lima, Nelson
Silva Bentes, Jânia Lília da
plant organs
geographical location
Issue date31-Jul-2020
PublisherMDPI AG
JournalJournal of Fungi
CitationSantos, Carla; Santos da Silva, Blenda Naara; Amorim Ferreira e Ferreira, Ana Francisca Tibúrcia; Santos, Cledir; Lima, Nelson; Silva Bentes, Jânia Lília da, Fungal endophytic community associated with guarana (Paullinia cupana var. Sorbilis): diversity driver by genotypes in the centre of origin. Journal of Fungi, 6(3), 123, 2020
Abstract(s)Guarana plant is a native of the Amazon region. Due to its high amount of caffeine and tannins, the seed has medicinal and stimulating properties. The guarana industry has grown exponentially in recent years; however, little information is available about associated mycobiota, particularly endophytic fungi. The present study aimed to compare the distribution and diversity of endophytic fungi associated with the leaves and seeds of anthracnose-resistant and susceptible guarana plants produced in Maués and Manaus, Amazonas State, Brazil. A total of 7514 endophytic fungi were isolated on Potato Dextrose Agar, Sabouraud and Czapek media, and grouped into 77 morphological groups. Overall, fungal communities in guarana leaves and seeds were mainly composed by Colletotrichum and Fusarium genera, but also by Chondrostereum, Clonostachys, Curvularia, Hypomontagnella, Lentinus, Neopestalotiopsis, Nigrospora, Peroneutypa, Phyllosticta, Simplicillium and Tinctoporellus. Obtained results indicate that some members of Colletotrichum and Fusarium genera may have experienced dysbiosis during the guarana domestication process, suggesting that some individuals may behave as latent pathogens. The susceptible guarana genotype cultivated in Manaus presented higher fungal diversity. The relative abundance of taxa and diversity among samples suggests that communities are structured by genotype and geographic location. This is the first report of mycobiota in both guarana leaves and seeds.
Publisher version
AccessOpen access
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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