Influence of plant growth-promoting endophytes Colletotrichum siamense and Diaporthe masirevici on tomato plants (Lycopersicon esculentum Mill.)

Santos, Shalene da Silva; Silva, Angela Aparecida da; Polônio, Julio Cesar; Polli, Andressa Domingos; Orlandelli, Ravely Casarotti; Oliveira, João Arthur dos Santos de; Filho, José Usan Torres Brandão; Azevedo, João Lúcio de; Pamphile, João Alencar

doi:10.1080/21501203.2022.2050825

Cited by 16 publications

(8 citation statements)

References 45 publications

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“…Thus, Diaporthe EB4 could induce the formation of fine roots under drought stress, increasing the root-soil contact, and improving nutrient and water uptake. Recently, Diaporthe masirevici was demonstrated to have a positive effect on plant development by enhancing IAA production and phosphate solubilization ( da Silva Santos et al., 2022 ).…”

Section: Discussionmentioning

confidence: 99%

Diaporthe atlantica enhances tomato drought tolerance by improving photosynthesis, nutrient uptake and enzymatic antioxidant response

et al. 2023

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Functional symbiosis with fungal endophytes can help plants adapt to environmental stress. Diaporthe atlantica is one of the most abundant fungal taxa associated with roots of Festuca rubra subsp. pruinosa, a grass growing in sea cliffs. This study aimed to investigate the ability of a strain of this fungus to ameliorate the impact of drought stress on tomato plants. In a greenhouse experiment, tomato plants were inoculated with Diaporthe atlantica strain EB4 and exposed to two alternative water regimes: well-watered and drought stress. Several physiological and biochemical plant parameters were evaluated. Inoculation with Diaporthe promoted plant growth in both water treatments. A significant interactive effect of Diaporthe-inoculation and water-regime showed that symbiotic plants had higher photosynthetic capacity, water-use efficiency, nutrient uptake (N, P, K, Fe and Zn), and proline content under drought stress, but not under well-watered conditions. In addition, Diaporthe improved the enzymatic antioxidant response of plants under drought, through an induced mechanism, in which catalase activity was modulated and conferred protection against reactive oxygen species generation during stress. The results support that Diaporthe atlantica plays a positive role in the modulation of tomato plant responses to drought stress by combining various processes such as improving photosynthetic capacity, nutrient uptake, enzymatic antioxidant response and osmo-protectant accumulation. Thus, drought stress in tomato can be enhanced with symbiotic fungi.

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Section: Discussionmentioning

confidence: 99%

Diaporthe atlantica enhances tomato drought tolerance by improving photosynthesis, nutrient uptake and enzymatic antioxidant response

et al. 2023

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“…Tilletiopsis species may produce antifungal compounds and hydrolytic enzymes that act as antagonists of pathogens and indirectly promote plant growth [49]. Although most Colletotrichum species were destructive pathogens [50], some members such as Colletotrichum tofieldiae colonized in Arabidopsis roots and transferred phosphorus to the host under phosphate deficiency conditions to promote plant growth [51], and Colletotrichum siamense had growth-promoting effects and suppressed Fusarium oxysporum symptoms in tomato plants [52]. A saprophytic yeast known as Colacogloea was highly competitive, tolerant of harsh environments, and non-pathogenic to humans, animals, or plants [53].…”

Section: Discussionmentioning

confidence: 99%

Responses of Fungal Assembly and Co-Occurrence Network of Rhizosphere Soil to Amaranthus palmeri Invasion in Northern China

Zhang

Wang

Shi

et al. 2023

JoF

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The interaction between invasive plants and soil microbial communities is critical for plant establishment. However, little is known about the assembly and co-occurrence patterns of fungal communities in the rhizosphere soil of Amaranthus palmeri. The soil fungal communities and co-occurrence networks were investigated in 22 invaded patches and 22 native patches using high-throughput Illumina sequencing. Despite having little effect on alpha diversity, plant invasion significantly altered the composition of the soil fungal community (ANOSIM, p < 0.05). Fungal taxa associated with plant invasion were identified using linear discriminant analysis effect size (LEfSe). In the rhizosphere soil of A. palmeri, Basidiomycota was significantly enriched, while Ascomycota and Glomeromycota were significantly reduced when compared to native plants. At the genus level, the invasion of A. palmeri dramatically increased the abundance of beneficial fungi and potential antagonists such as Dioszegia, Tilletiopsis, Colacogloea, and Chaetomium, while it significantly decreased the abundance of pathogenic fungi such as Alternaria and Phaeosphaeria. Plant invasion reduced the average degree and average path length, and increased the modularity value, resulting in a less complex but more effective and stable network. Our findings improved the knowledge of the soil fungal communities, network co-occurrence patterns, and keystone taxa in A. palmeri-invaded ecosystems.

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“…Endophytic bacteria showing beneficial influence on the growth, development, and protection of plants against diseases facilitates sustainable approaches in agriculture [18][19][20]. Twenty five bacterial strains were screened in various dual culture assays, from which P. aeruginosa PPB3 and A. aneurinilyticus PPB9 were selected for superior antagonistic activity against F. oxysporum [21].…”

Section: Discussionmentioning

confidence: 99%

Harnessing the Antifungal Potential of Seed Bacteriome against Major Seed and Soil-borne Pathogens in Blackgram

K. C.,

Lakshmi,

Anand

et al. 2023

IJECC

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Blackgram is an important pulse crop in India. One of the major constraints on blackgram production is the attack of pathogens, which leads to yield loss. Nowadays, with the understanding of harmful effects of chemical fungicides, biocontrol methods are gaining more importance. One such method is biopriming with endophytes to control pathogens and enhance yield. In the present study, the endophytes of blackgram seeds was explored and tested for its biocontrol potential against major seed- and soil-borne pathogens and growth promotion in blackgram. A total of 14 bacterial endophytic isolates were obtained and screened against Macropomina phaseolina and Fusarium oxysporum. Among them, BSE5 isolate was proven to be more efficient in inhibiting the mycelial growth of M. phaseolina and F. oxysporum, with per cent inhibition of 22.5 and 50.6, respectively, following BSE9. Both the isolates showed improved plant growth parameters like germination percentage, root length, shoot length, dry matter production and vigour index. Molecular characterisation of BSE5 and BSE9 confirmed that the isolates are Pseudomonas aeruginosa and Bacillus xiamenensis.

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Influence of plant growth-promoting endophytes Colletotrichum siamense and Diaporthe masirevici on tomato plants (Lycopersicon esculentum Mill.)

Cited by 16 publications

References 45 publications

Diaporthe atlantica enhances tomato drought tolerance by improving photosynthesis, nutrient uptake and enzymatic antioxidant response

Diaporthe atlantica enhances tomato drought tolerance by improving photosynthesis, nutrient uptake and enzymatic antioxidant response

Responses of Fungal Assembly and Co-Occurrence Network of Rhizosphere Soil to Amaranthus palmeri Invasion in Northern China

Harnessing the Antifungal Potential of Seed Bacteriome against Major Seed and Soil-borne Pathogens in Blackgram

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