ArticleMicrobiologyOpen2021
Diversity and characteristics of culturable endophytic bacteria from Passiflora edulis seeds.
Article in MicrobiologyOpen, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 17 citations in OpenAlex.
- Structure and Diversity of Endophytic Bacteria in Maize Seeds and Germinating Roots.Microorganisms · 2024Article
- Invisible Inhabitants of Plants and a Sustainable Planet: Diversity of Bacterial Endophytes and their Potential in Sustainable Agriculture.Indian journal of microbiology · 2024Review
- Diversity and Antibiotic Resistance of Triticale Seed-Borne Bacteria on the Tibetan Plateau.Microorganisms · 2024Article
- Seed-Borne Bacterial Diversity of Fescue (Microorganisms · 2024Article
- Isolation and characterization of filamentous fungi capable of degrading the mycotoxin patulin.MicrobiologyOpen · 2023Article
- Diversity and characteristics of plant immunity-activating bacteria from Brassicaceae plants.BMC microbiology · 2023Article
- Community Profiling of Seed Endophytes from the Pb-Zn HyperaccumulatorPlants (Basel, Switzerland) · 2023Article
- Article
- Isolation and characterization of microorganisms capable of cleaving the ether bond of 2-phenoxyacetophenone.Scientific reports · 2022Article
- Temporal Dynamics of Endogenous Bacterial Composition in Rice Seeds During Maturation and Storage, and Spatial Dynamics of the Bacteria During Seedling Growth.Frontiers in microbiology · 2022Article
- Diversity and characteristics of culturable endophytic bacteria from Passiflora edulis seeds.MicrobiologyOpen · 2021Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Defense compounds generally inhibit microbial colonization of plants. In this study, we examined the presence of endophytes in Passiflora edulis seeds that accumulate resveratrol and piceatannol at extremely high levels as defense compounds. Interestingly, although no microbial colonies appeared on an agar growth medium from the cut or homogenized seeds, colonies were generated from cut seedlings derived from the seeds. A total of 19 bacterial strains were isolated, of which 15 were classified as Gram-positive. As we hypothesized that extremely high levels of piceatannol in the seeds would inhibit the growth of endophytes cultured directly from the seeds, we examined the antimicrobial activity of this compound against the isolated bacteria. Piceatannol exerted bacteriostatic rather than bactericidal effects on most of the bacteria tested. These results suggest that the bacteria remain static in the seeds due to the presence of piceatannol and are transmitted to the seedlings during the germination process, enabling colonies to be established from the seedlings on the agar medium. We also investigated the biocatalytic activity of the isolated bacteria toward resveratrol and piceatannol. One bacterium, Brevibacterium sp. PE28-2, converted resveratrol and piceatannol to their respective derivatives. This strain is the first endophyte shown to exhibit such activity.
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