Co- inoculant response of plant growth promoting non-rhizobial endophytic yeast Candida tropicalis VYW1 and Rhizobium sp. VRE1 for enhanced plant nutrition, nodulation, growth and soil nutrient status in Mungbean (Vigna mungo L.,)

Annadurai, B.; Thangappan, Sugitha; Kennedy, Z. John; Patil, S. R.; Uthandi, Sivakumar

doi:10.1007/s13199-020-00740-6

Cited by 7 publications

(5 citation statements)

References 34 publications

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“…Increased ferritin abundance (Ferritin 1 and two isoforms of Ferritin 3; 1.4–2.4‐fold increase, adjusted p < 0.05; Table S2) could also contribute, as shown by transgenic Arabidopsis expressing wheat Ferritin5D with improved tolerance to drought and salt (Zhang et al 2023). Finally, changes in free amino acids, including tryptophan (1.4‐fold increase, adjusted p < 0.05; Table S1), have also been linked to microbe‐mediated salt tolerance (Annadurai et al 2021).…”

Section: Discussionmentioning

confidence: 99%

The fungus Acremonium alternatum enhances salt stress tolerance by regulating host redox homeostasis and phytohormone signaling

Berková,

Berka,

Štěpánková

et al. 2024

Physiologia Plantarum

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While endophytic fungi offer promising avenues for bolstering plant resilience against abiotic stressors, the molecular mechanisms behind this biofortification remain largely unknown. This study employed a multifaceted approach, combining plant physiology, proteomic, metabolomic, and targeted hormonal analyses to illuminate the early response of Brassica napus to Acremonium alternatum during the nascent stages of their interaction. Notably, under optimal growth conditions, the initial reaction to fungus was relatively subtle, with no visible alterations in plant phenotype and only minor impacts on the proteome and metabolome. Interestingly, the identified proteins associated with the Acremonium response included TUDOR 1, Annexin D4, and a plastidic K+ efflux antiporter, hinting at potential processes that could counter abiotic stressors, particularly salt stress. Subsequent experiments validated this hypothesis, showcasing significantly enhanced growth in Acremonium‐inoculated plants under salt stress. Molecular analyses revealed a profound impact on the plant's proteome, with over 50% of salt stress response proteins remaining unaffected in inoculated plants. Acremonium modulated ribosomal proteins, increased abundance of photosynthetic proteins, enhanced ROS metabolism, accumulation of V‐ATPase, altered abundances of various metabolic enzymes, and possibly promoted abscisic acid signaling. Subsequent analyses validated the accumulation of this hormone and its enhanced signaling. Collectively, these findings indicate that Acremonium promotes salt tolerance by orchestrating abscisic acid signaling, priming the plant's antioxidant system, as evidenced by the accumulation of ROS‐scavenging metabolites and alterations in ROS metabolism, leading to lowered ROS levels and enhanced photosynthesis. Additionally, it modulates ion sequestration through V‐ATPase accumulation, potentially contributing to the observed decrease in chloride content.

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Section: Discussionmentioning

confidence: 99%

The fungus Acremonium alternatum enhances salt stress tolerance by regulating host redox homeostasis and phytohormone signaling

Berková,

Berka,

Štěpánková

et al. 2024

Physiologia Plantarum

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“…Furthermore, recently it was revealed that yeast assisted Rhizobium sp. in nodulation by producing unique signaling molecules that triggered the lectin pathway [79,80]. PGPRs namely, Lysinibacillus fusiformis, Bacillus subtilis, and Achromobacter xylosoxidans increased peroxidase and polyphenol oxidase in Alternaria solani-challenged tomato plants [81].…”

Section: Discussionmentioning

confidence: 99%

Seed-Borne Probiotic Yeasts Foster Plant Growth and Elicit Health Protection in Black Gram (Vigna mungo L.)

et al. 2022

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Black gram is one of the most indispensable components of the world food basket and the growth and health of the crop get influenced by biotic and abiotic factors. Beneficial phyto-microbes are one among them that influence the crop growth, more particularly the seed borne microbes are comparatively beneficial, that they pass from generation to generation and are associated with the plants from establishment to development. In the present study, twenty seed-borne yeasts were characterized and tested for growth promotion of black gram and their antagonism against black gram phytopathogens. Two yeasts, Pichia kudriavzevii POY5 and Issatchenkia terricola GRY4, produced indole acetic acid (IAA), siderophore, 1-amino cyclopropane-1-carboxylic acid deaminase (ACCD), and plant defense enzymes. They solubilized phosphate and zinc and fixed atmospheric nitrogen. Inoculation of these two yeast isolates and Rhizobium BMBS1 improved the seed germination, physiological parameters and yield of black gram. Inoculation of Rhizoctonia solani-challenged plants with plant growth-promoting yeasts, resulted in the synthesis of defense-related enzymes such as peroxidases (POD), chitinases, catalase (CAT), and polyphenol oxidases (PPO). Thus, the seed-borne yeasts, Pichia kudriavzevii POY5 and Issatchenkia terricola GRY4, could be used as plant probiotics for black gram.

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“…Isolated from the bean roots, the yeast Candida tropicalis and the bacterium Rhizobium sp., when inoculated together, promoted greater nodulation and absorption of nutrients by the plants, which showed increased growth. Candida tropicalis enhances nodulation through its unique metabolites, such as indole compounds, tryptophan, phenolic compounds, and α-D-galactopyranoside [ 36 ].…”

Section: Mutualistic Interaction Between Fungi and Plantsmentioning

confidence: 99%

Biochemical and Biotechnological Insights into Fungus-Plant Interactions for Enhanced Sustainable Agricultural and Industrial Processes

Giehl

Santos

Cadamuro

et al. 2023

Plants

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The literature is full of studies reporting environmental and health issues related to using traditional pesticides in food production and storage. Fortunately, alternatives have arisen in the last few decades, showing that organic agriculture is possible and economically feasible. And in this scenario, fungi may be helpful. In the natural environment, when associated with plants, these microorganisms offer plant-growth-promoting molecules, facilitate plant nutrient uptake, and antagonize phytopathogens. It is true that fungi can also be phytopathogenic, but even they can benefit agriculture in some way—since pathogenicity is species-specific, these fungi are shown to be useful against weeds (as bioherbicides). Finally, plant-associated yeasts and molds are natural biofactories, and the metabolites they produce while dwelling in leaves, flowers, roots, or the rhizosphere have the potential to be employed in different industrial activities. By addressing all these subjects, this manuscript comprehensively reviews the biotechnological uses of plant-associated fungi and, in addition, aims to sensitize academics, researchers, and investors to new alternatives for healthier and more environmentally friendly production processes.

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Co- inoculant response of plant growth promoting non-rhizobial endophytic yeast Candida tropicalis VYW1 and Rhizobium sp. VRE1 for enhanced plant nutrition, nodulation, growth and soil nutrient status in Mungbean (Vigna mungo L.,)

Cited by 7 publications

References 34 publications

The fungus Acremonium alternatum enhances salt stress tolerance by regulating host redox homeostasis and phytohormone signaling

The fungus Acremonium alternatum enhances salt stress tolerance by regulating host redox homeostasis and phytohormone signaling

Seed-Borne Probiotic Yeasts Foster Plant Growth and Elicit Health Protection in Black Gram (Vigna mungo L.)

Biochemical and Biotechnological Insights into Fungus-Plant Interactions for Enhanced Sustainable Agricultural and Industrial Processes

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