Hordeum brevisubulatum

The performances of endophyte-infected and endophyte-free wild barley after rewatering under different types and concentrations of salt stress were studied, and it was found that endophytic fungi could enhance the salt tolerance of wild barley.

Epichloë bromicola

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salt

Hordeum brevisubulatum

The interaction between the endophyte Epichloë and wild barley was studied. Five taxonomic groups (including new groups) were identified, and their genetic and chemotype diversity as well as morphological characteristics were analyzed.

Epichloë bromicola, Epichloë tembladerae, Epichloë sp. HboTG-3

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normal

Avena sativa

Through Illumina Miseq high-throughput sequencing, the microbiomes of oat roots and leaves were studied, and data such as sequencing results, operational taxonomic units (OTUs), community structure, diversity indices, differential analysis, and functional prediction were obtained. It was revealed that Ascomycota is the dominant endophytic fungi in both the roots and leaves of oats, and the richness and diversity of the endophytic fungal community in the roots are higher than those in the leaves.

Alternaria, Setophoma, Poaceascoma, Cladosporium, Colletotrichum, et al

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normal

Avena sativa

By using high-throughput sequencing technology to study the endophytic fungi in the seeds of oat (Avena sativa) forage, 922 fungal operational taxonomic units (OTUs) were detected, and it was found that Candida and Alternaria were the dominant populations in the seeds.

Candida, Alternaria

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normal

Avena sativa

The Illumina MiSeq high-throughput sequencing technology was adopted to sequence and analyze the endophytic fungi in different organs of oats in saline-alkali land, aiming to reveal the diversity and distribution differences of oat endophytic fungi and provide a theoretical basis for exploring the symbiotic relationship between oats and endophytic fungi.

Schizothecium, Acremonium, Clausenomyces, Aspergillus, Plectosphaerella, Podospora, Microidium, Sarocladium, Madurella, Trichoderma

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salt

Avena sativa

The study analyzed the functions of endophytic fungi in oats, indicating that the endophytic fungi in oats have rich diversity. The dominant genus of endophytic fungi in the stems is Alternaria sp., and the dominant genus in the leaves is Fusarium sp. Through plate cultivation, four strains of endophytic fungi were screened out, which can significantly promote the growth of oats, improve drought resistance, and increase the yield. At the same time, it revealed the physiological and metabolic change mechanisms under drought stress.

Fusarium, Alternaria

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drought

Thinopyrum elongatum

Through the study of the Fhb7 homologous gene, it was found that it was similar to the gene of the endophytic fungus Epichloë aotearoae. After inoculating Fusarium in the Thinopyrum elongatum derivative line TNT-B, the expression analysis of the Fhb7 homologous gene revealed that the derivative varieties of Thinopyrum elongatum had different responses to Fusarium head blight. Moreover, the Fhb7 homologous gene is actually widespread in the Triticeae tribe, and horizontal gene transfer may have occurred before the differentiation of the Triticeae tribe, which is not a phenomenon unique to Thinopyrum elongatum.

Epichloë

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Thinopyrum elongatum

It reveals the origin, function and application potential of the Fusarium head blight resistance gene Fhb7 in wheat. The study finds that the Fhb7 gene carried by Thinopyrum elongatum is transferred horizontally from fungi, and it can effectively detoxify the toxins produced by Fusarium, providing key resources for the breeding of wheat varieties resistant to Fusarium head blight.

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