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  • Title: Isolation and molecular identification of endophytic fungi associated with Campomanesia adamantium, a Brazilian Cerrado plant.
    Author: Ricci AP, Loosli AWM, Roel AR, Carvalho CME, Almeida TT.
    Journal: Braz J Biol; 2024; 84():e281308. PubMed ID: 39046049.
    Abstract:
    This work presents the isolation of endophytic fungi from the leaves of Campomanesia adamantium (Cambess.) O. Berg (Myrtaceae), a native species found in Brazil and popularly known as "guabiroba-do-campo", with abundant distribution in the Brazilian Cerrado. It has been popularly used for its anti-rheumatic, anti-inflammatory, antidiarrheal, blood cholesterol-reducing, urinary antiseptic, and depurative properties. Theese fungi are microorganisms that live inside higher plants, at least for a period of their life cycle, occupying the intercellular spaces of plant tissues such as leaves and stems. These fungi are harmless to the host plant, and their secondary metabolites promote protection, regulate growth, combat bacteria, viruses, and fungi, and promote resistance to abiotic stress, as well as insecticidal effects. Endophytic fungi associated with the leaves of C. adamantium were isolated using the culture medium isolation technique. After growth, the fungi were divided into groups based on morphotypes. Fungal genomic DNA was extracted, and a polymerase chain reaction (PCR) was conducted to amplify the ITS1-5.8S-ITS2 regions of rRNA, and the nucleotide sequences obtained were compared with those available in the GenBank database for molecular identification of the isolates. The phylogenetic tree was constructed using MEGA 11 software. The results showed representatives of the Ascomycota phylum, and it was possible to identify at the genus level 18 fungi of the genera Colletotrichum, Diaporthe, Epicoccum, and Neofusicoccum.
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