Endophytic Bacteria from Passiflora incarnata L. Leaves with Genetic Potential for Flavonoid Biosynthesis

Goulart, Marcela Cristina; Cueva-Yesquén, Luis Gabriel; Attili‐Angelis, Derlene; Fantinatti‐Garboggini, Fabiana

doi:10.1007/978-3-030-17597-9_8

Cited by 3 publications

(1 citation statement)

References 34 publications

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“…Parabacteroides were also found to increase with the addition of flavonoids in the gut microbiome (Zhang et al, 2022). In contrast, Oscillibacter and Moraxella decreased with the addition of flavonoids in the gut microbiome (Goulart et al, 2019;He et al, 2021;Cao et al, 2022). This difference might be because these microorganisms in Ginkgo leaves already live in an environment with high flavonoid content and have developed the resistance to flavonoids.…”

Section: Discussionmentioning

confidence: 97%

Flavonoids affect the endophytic bacterial community in Ginkgo biloba leaves with increasing altitude

Deng

Zou

et al. 2022

Front. Plant Sci.

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Altitude affects plant growth and metabolism, but the effect of altitude on plant endophytic microorganisms is still unclear. In this study, we selected 16 Ginkgo biloba trees to study the response of leaves’ endophytes to flavonoids and altitude (from 530 m to 1,310 m). HPLC results showed that flavonoids in Ginkgo biloba leaves increased by more than 150% with attitude rising from 530 m to 1,310 m, which revealed a positive correlation with altitude. Ginkgo biloba might regulate the increased flavonoids in leaves to resist the increasing light intensity. 16S rDNA sequencing results showed that the endophytic bacterial communities of Ginkgo biloba at different altitudes significantly differed. Ginkgo leaf endophytes’ alpha diversity decreased with increasing flavonoids content and altitude. The increased flavonoids might increase the environmental pressure on endophytes and affect the endophytic community in Ginkgo biloba leaves. The bacterial network in Ginkgo biloba leaves became more complex with increasing altitude, which might be one of the strategies of leaf endophytes to cope with increasing flavonoids. Metagenomes results predicted with PICRUSt showed that the abundance of flavonoid biosynthesis and photosynthesis genes were significantly decreased with the increase of flavonoid contents. High flavonoid content in leaves appeared to inhibit microbial flavonoid synthesis. Our findings indicate that altitude can modulate microbial community structure through regulating plant metabolites, which is important to uncovering the interaction of microbes, host and the environment.

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Section: Discussionmentioning

confidence: 97%

Flavonoids affect the endophytic bacterial community in Ginkgo biloba leaves with increasing altitude

Deng

Zou

et al. 2022

Front. Plant Sci.

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The Bacterial and Fungal Microbiota of the Mexican Rubiaceae Family Medicinal Plant Bouvardia ternifolia

et al. 2021

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Endophytic bacteria: a sustainable strategy for enhancing medicinal plant cultivation and preserving microbial diversity

Semenzato,

Fani

2024

Front. Microbiol.

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Endophytic bacteria, part of the plant microbiome, hold significant potential for enhancing the cultivation and sustainability of medicinal plants (MPs). These microbes are integral to many plant functions, including growth promotion, nutrient acquisition, and resistance to biotic and abiotic stresses. However, traditional cultivation practices often overlook the importance of these beneficial microbes, leading to reduced crop yields, lower phytochemical quality, and increased susceptibility to diseases. The domestication of MPs and the use of chemical fertilizers disrupt the natural microbial diversity in soils, essential for the health and productivity of plants. This disruption can lead to the loss of beneficial plant–microbe interactions, which are vital for the production of bioactive compounds with therapeutic properties. Recent advances in microbiome research, supported by omics technologies, have expanded our understanding of how endophytic bacteria can be leveraged to enhance MP productivity and quality. Endophytic bacteria can directly boost MP productivity by promoting plant growth and health or indirectly by restoring healthy soil microbiomes. They can also be harnessed as microbial factories to produce valuable natural compounds, either by transforming plant-derived precursors into bioactive substances or by synthesizing unique metabolites that mimic MP secondary metabolites. This offers a sustainable and low-cost alternative to traditional MP cultivation, reducing the carbon footprint and preserving endangered species. In conclusion, integrating microbiome research with traditional agricultural practices could revolutionize MP cultivation. By focusing on the microbial component, particularly endophytes, we can develop more sustainable and productive methods for cultivating these plants, ultimately contributing to biodiversity conservation and the production of high-value natural products.

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Endophytic Bacteria from Passiflora incarnata L. Leaves with Genetic Potential for Flavonoid Biosynthesis

Cited by 3 publications

References 34 publications

Flavonoids affect the endophytic bacterial community in Ginkgo biloba leaves with increasing altitude

Flavonoids affect the endophytic bacterial community in Ginkgo biloba leaves with increasing altitude

The Bacterial and Fungal Microbiota of the Mexican Rubiaceae Family Medicinal Plant Bouvardia ternifolia

Endophytic bacteria: a sustainable strategy for enhancing medicinal plant cultivation and preserving microbial diversity

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