The endophytome (plant-associated microbiome): methodological approaches, biological aspects, and biotech applications

Azevedo, Thamara de Medeiros; Aburjaile, Flávia Figueira; Ferreira‐Neto, José Ribamar Costa; Pandolfi, Valesca; Benko‐Iseppon, Ana Maria

doi:10.1007/s11274-021-03168-2

Cited by 8 publications

(4 citation statements)

References 225 publications

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“…Microbial Interactions (Cluster #2, #3, #4, #5, #6, #7, #8, #9, #10): Microbial interactions play a vital role in maintaining ecological balance. These interactions enable the microbiota to thrive under diverse conditions and facilitate crucial processes, especially the interaction between plants and microorganisms, which play a fundamental role in natural ecosystems (Kumar et al 2016 ; de Medeiros et al 2021 ). Plant-microorganism interactions occur at numerous stages of plant development, from germination to senescence, and encompass a variety of relationships from protective habitats to nutrient-rich environments.…”

Section: Resultsmentioning

confidence: 99%

Unraveling two decades of phyllosphere endophytes: tracing research trends and insights through visualized knowledge maps, with emphasis on microbial interactions as emerging frontiers

Muneer,

Chen,

Wang

et al. 2024

Stress Biology

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Phyllosphere endophytes play a critical role in a myriad of biological functions, such as maintaining plant health and overall fitness. They play a determinative role in crop yield and quality by regulating vital processes, such as leaf functionality and longevity, seed mass, apical growth, flowering, and fruit development. This study conducted a comprehensive bibliometric analysis aiming to review the prevailing research trajectories in phyllosphere endophytes and harness both primary areas of interest and emerging challenges. A total of 156 research articles on phyllosphere endophytes, published between 2002 and 2022, were retrieved from the Web of Science Core Collection (WoSCC). A systematic analysis was conducted using CiteSpace to visualize the evolution of publication frequency, the collaboration network, the co-citation network, and keywords co-occurrence. The findings indicated that initially, there were few publications on the topic of phyllosphere endophytes. However, from 2011 onwards, there was a notable increase in the number of publications on phyllosphere endophytes, gaining worldwide attention. Among authors, Arnold, A Elizabeth is widely recognized as a leading author in this research area. In terms of countries, the USA and China hold the highest rankings. As for institutional ranking, the University of Arizona is the most prevalent and leading institute in this particular subject. Collaborative efforts among the authors and institutions tend to be confined to small groups, and a large-scale collaborative network needs to be established. This study identified the influential journals, literature, and hot research topics. These findings also highlight the interconnected nature of key themes, e.g., phyllosphere endophyte research revolves around the four pillars: diversity, fungal endophytes, growth, and endophytic fungi. This study provides an in-depth perspective on phyllosphere endophytes studies, revealing the identification of biodiversity and microbial interaction of phyllosphere endophytes as the principal research frontiers. These analytical findings not only elucidate the recent trajectory of phyllosphere endophyte research but also provide invaluable insights for similar studies and their potential applications on a global scale.

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Section: Resultsmentioning

confidence: 99%

Unraveling two decades of phyllosphere endophytes: tracing research trends and insights through visualized knowledge maps, with emphasis on microbial interactions as emerging frontiers

Muneer,

Chen,

Wang

et al. 2024

Stress Biology

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“…Petrini (1961) proposed restricting the definition to 'all organisms inhabiting plant organs that, at some time in their life, can colonize internal plant tissues without causing apparent harm to the host' . Several other definitions have been proposed, often restricting endophytes to a group of organisms (e.g., fungi or bacteria), symbiotic and/or commensal microorganisms, or facultative and/or mandatory microorganisms (Cabral et al, 1993;Quadt-Hallmann et al, 1997;Rosenblueth and Martínez-Romero, 2006;Hardoim et al, 2015;de Medeiros Azevedo et al, 2021).…”

Section: Plant-endophyte Multifaceted Relations Back To the Roots-def...mentioning

confidence: 99%

Bacterial endophytome sources, profile and dynamics—a conceptual framework

Lengrand,

Pesenti,

Bragard

et al. 2024

Front. Sustain. Food Syst.

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Currently, it seems inconceivable to dispute the major role of microorganisms in human health or insects with endosymbionts. Although microbial endophytes were discovered long ago, little is known about the roles of plant-associated microorganisms. Some endophytes are horizontally transmitted, whereas others are seed-borne; together, they influence plant health. Beneficial endophytes can promote plant growth and yield by increasing plant resistance to biotic and abiotic stresses. Recently, the tools available to study the phytobiome have much improved, opening doors for a better understanding of the fascinating interactions taking place at the plant level. This review redefines the conceptual framework for “endophyte” and “endophytome,” focusing on the intricate dynamics of bacterial endophytomes. Systematically examining the formation pathways and profiling endophytes allows for a comprehensive exploration of the intricate dynamics governing plant-microbe interactions. Additionally, the assessment of how endophytomes are influenced by both biotic and abiotic factors provides essential insights into the adaptability and resilience of plant-associated microorganisms. Our comprehensive analysis integrates genomic insights with environmental considerations, offering a nuanced perspective on the functional roles of bacterial endophytomes. Therefore, a new, inclusive definition is essential to accurately represent the complexity of interactions within the plant microbiome as well as having the whole picture of associated concepts.

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“…In turn, host plants provide habitat and nutrients for microbes (Trivedi et al, 2020). In fact, microbial communities exist in almost all plant tissues, such as the soil-root interface (rhizosphere), the interior of plant tissues (endophyte), and the air-plant interface (phyllosphere) (de Medeiros Azevedo et al, 2021). All these microenvironments provide specific biotic and abiotic conditions for microbial communities to survive.…”

Section: Plant Microbiomementioning

confidence: 99%

From salty to thriving: plant growth promoting bacteria as nature’s allies in overcoming salinity stress in plants

et al. 2023

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Soil salinity is one of the main problems that affects global crop yield. Researchers have attempted to alleviate the effects of salt stress on plant growth using a variety of approaches, including genetic modification of salt-tolerant plants, screening the higher salt-tolerant genotypes, and the inoculation of beneficial plant microbiome, such as plant growth-promoting bacteria (PGPB). PGPB mainly exists in the rhizosphere soil, plant tissues and on the surfaces of leaves or stems, and can promote plant growth and increase plant tolerance to abiotic stress. Many halophytes recruit salt-resistant microorganisms, and therefore endophytic bacteria isolated from halophytes can help enhance plant stress responses. Beneficial plant-microbe interactions are widespread in nature, and microbial communities provide an opportunity to understand these beneficial interactions. In this study, we provide a brief overview of the current state of plant microbiomes and give particular emphasis on its influence factors and discuss various mechanisms used by PGPB in alleviating salt stress for plants. Then, we also describe the relationship between bacterial Type VI secretion system and plant growth promotion.

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The endophytome (plant-associated microbiome): methodological approaches, biological aspects, and biotech applications

Cited by 8 publications

References 225 publications

Unraveling two decades of phyllosphere endophytes: tracing research trends and insights through visualized knowledge maps, with emphasis on microbial interactions as emerging frontiers

Unraveling two decades of phyllosphere endophytes: tracing research trends and insights through visualized knowledge maps, with emphasis on microbial interactions as emerging frontiers

Bacterial endophytome sources, profile and dynamics—a conceptual framework

From salty to thriving: plant growth promoting bacteria as nature’s allies in overcoming salinity stress in plants

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