Insights into the seed microbiome and its ecological significance in plant life

War, Aadil Farooq; Bashir, Iqra; Reshi, Zafar A.; Kardol, Paul; Rashid, Irfan

doi:10.1016/j.micres.2023.127318

Cited by 19 publications

(13 citation statements)

References 120 publications

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“…This could be illustrated by the accumulation in the mature seed of secondary metabolites such as phenolic compounds [25] and by the development of physical barriers such as the seed coat [5,24]. Also, pending seed germination and seedling establishment, these properties enable seeds to maintain their survival when challenged by abiotic and biotic pressures in their environment [8,24,25,58,59].…”

Section: Interaction With the Necrotrophic Seedborne Fungi Alternaria...mentioning

confidence: 99%

“…In addition to its physical and chemical attributes, the seed also hosts a microbial diversity, called microbiota, which can influence its ecological and biological functions. This seed-associated microbiota is acquired during various stages of the seed's life cycle [7,8]. The community of seedborne microorganisms, including bacteria, fungi, and others, that can colonize the surface of the seed, are referred to as the epiphytic microbiota.…”

Section: Introductionmentioning

confidence: 99%

“…The microbiota can be transmitted from the mother plant to the seedling. This phenomenon is known as vertical transmission and provides a way for the microbiome to spread through seed germination between plants [7,8]. The beneficial microbiota contributes significantly to seed nutrient uptake, disease resistance, and adaptation to environmental changes [8].…”

Section: Introductionmentioning

confidence: 99%

“…This phenomenon is known as vertical transmission and provides a way for the microbiome to spread through seed germination between plants [7,8]. The beneficial microbiota contributes significantly to seed nutrient uptake, disease resistance, and adaptation to environmental changes [8]. Moreover, some seed-borne microbial agents are pathogenic and can afflict seed viability and germination vigor.…”

Section: Introductionmentioning

confidence: 99%

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First Report on the Seed Immune Response to Fungal Necrotrophs Attack

Ortega-Cuadros,

Aligon,

Arias

et al. 2024

Preprint

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Seeds play a vital role in the perpetuation of plant species, both in natural environments and agriculture. However, they often face challenges from biotic stresses, such as seedborne pathogenic fungi. The transgenerational transmission of these seedborne fungi, along with their dissemination during seed commercialization, can contribute to the emergence of global epidemic diseases, resulting in substantial economic losses. One such pathogenic fungus is Alternaria brassicicola, responsible for causing black spot disease in Brassicaceae. This necrotrophic seedborne fungus negatively impacts plant development, consequently affecting crop production and seed quality. To gain a deeper understanding of the interaction between seeds and necrotrophic fungi, the Arabidopsis thaliana/Alternaria brassicicola model pathosystem has been extensively studied. Recent transcriptomic and genetic studies revealed a distinctive immune response of seeds against this pathogen, divergent from the immune response described in the plant vegetative phase. In germinating seeds and seedlings, the necrotrophic fungus seems to induce susceptible response [1]. It was observed at the RNA level that to the detriment of jasmonic acid pathway, Alternaria induced the salicylic acid and glucosinolate (GSL) pathways. Genetic evidence identified that seedling necrosis, potentially beneficial to the growth of the necrotrophic agent, is hypersensitive response mediated by GSL pathway. Transmission of necrotrophic fungal from seed to seedling unveils novel regulations of the immune response, that would illustrate a trade-off between seedling establishment and fungal infection. This knowledge is promising to sustainably ensure the sanitary quality of crops.

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Section: Interaction With the Necrotrophic Seedborne Fungi Alternaria...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

First Report on the Seed Immune Response to Fungal Necrotrophs Attack

Ortega-Cuadros,

Aligon,

Arias

et al. 2024

Preprint

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“…Also, the epiphytes can provide the rst host defense against external pathogens and antagonize other species with in the microbial population [21,22]. Therefore, understanding the epiphytic and endophytic seed microbiome can be expected to provide insight into the formation and interactions of the seed microbiome [23,24].…”

Section: Introductionmentioning

confidence: 99%

The presence of a significant endophytic fungus in mycobiome of rice seed compartments

Jeong,

Abdellaoui,

Lim

et al. 2024

Preprint

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Seed microbial communities have been known to have a crucial role in the life cycle of a plant. In this study, we examined the distribution of the fungal communities in three compartments (husk, brown rice, and milled rice) of the fourteen rice seed samples using Illumina MiSeq sequencing. A total of 894 fungal operational taxonomic units were found at 97% sequence identity, and ten fungal genera distributed throughout the three compartments of the rice seeds were identified as the core mycobiome of the rice seed. Based on the diversity analysis, the distribution of the fungal community in milled rice was found to be more diversified, evenly distributed, and differently clustered from the other two compartments. Among core mycobiome, Moesziomyces dominated almost 80% of the fungal communities in the outer compartments of rice seeds, whereas the abundances of other endophytic pathogenic fungi declined. Our results provide that antagonistic yeast Moesziomyces may be able to control the endogenous pathogenic fungal communities in rice seeds, hence maintaining the quality of rice seeds. In addition, the distribution of fungal communities differs depending on the rice seed’s compartment, indicating that the compartment can affect the distribution of the seed microbial community.

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