Strains of Bacillus ssp. regulate wheat resistance to Septoria nodorum Berk.

Бурханова, Г. Ф.; Веселова, С. В.; Sorokan, A. V.; Благова, Д. К.; Nuzhnaya, T.V.; Максимов, И. В.

doi:10.1134/s0003683817030048

Cited by 26 publications

(23 citation statements)

References 24 publications

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“…Both StPR6 and JA-biosynthesis genes were JA-dependent [ 44 ]. Previously, it was shown that B. thuringiensis and B. subtilis strains can induce different transcription patterns in wheat plants [ 45 ].…”

Section: Discussionmentioning

confidence: 99%

“…In [ 10 ]’s study, when cucumber roots were treated with a cultural filtrate of hypovirulent Rhizoctonia sp., lignin content was increased after pathogen Colletotrichum orbiculare penetration in epidermal tissues of cucumber hypocotyls. It was shown that PGPB, in particular, Bacillus sp., are capable of stimulating lignin biosynthesis through activation of peroxidases and polyphenol oxidases in infected plants [ 41 , 45 , 51 ] or pest-damaged plants [ 11 , 42 ]. Genetically engineered plants of maize, expressing the Cry1Ab toxin, showed a higher ratio of lignin accumulation in vascular bundle sheaths and in the sclerenchyma cells near vascular bundles than wild type plants [ 52 ].…”

Section: Discussionmentioning

confidence: 99%

“…Artificial regulation of plant defense responses to herbivorous insects and pathogens, which frequently attack them simultaneously under field conditions, stands in need of continuous investigations. PGPB, including endophytic strains, could regulate SA- and JA-sensitive defense mechanisms in compliance with the type of damage or pathogen/pest attacks means [ 42 , 45 ]. Thus, the strain B. subtilis 26DCryChS is capable of stimulating both SA- and JA-dependent mechanisms in potato plants while host plants are under pest or pathogen attack.…”

Section: Discussionmentioning

confidence: 99%

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Endophytic Strain Bacillus subtilis 26DCryChS Producing Cry1Ia Toxin from Bacillus thuringiensis Promotes Multifaceted Potato Defense against Phytophthora infestans (Mont.) de Bary and Pest Leptinotarsa decemlineata Say

Sorokan

Benkovskaya

Бурханова

et al. 2020

Plants

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Novel properties of a previously obtained Bacillus subtilis 26DCryChS strain are described. The B. subtilis 26DCryChS strain is able to produce Cry1Ia δ-endotoxin from B. thuringiensis B-5351 and to exist in internal plant tissues of potato plants in the same manner as the endophytic B. subtilis 26D source strain (487 ± 53 and 420 ± 63 CFU*103/g, respectively). B. subtilis 26DCryChS, as much as the original B. subtilis 26D strain, inhibited mycelium growth of oomycete Phytophthora infestans (Mont.) de Bary and reduced late blight symptoms development on plants by 35% compared with non-treated ones, as well as showed insecticidal activity against Leptinotarsa decemlineata. Production of the fluorescent GFP protein in the B. subtilis 26D genome allowed visualizing the endophytes around damaged sites on beetle intestines. Bacillus strains under investigation induced systemic resistance to P. infestans and L. decemlineata through the activation of the transcription of PR genes in potato plants. Thus, the B. subtilis 26DCryChS strain was able to induce transcription of jasmonate-dependent genes and acquired the ability to promote transcription of a salicylate-dependent gene (PR1) in plants infected with the late blight agent and damaged by Colorado potato beetle larvae. The B. subtilis 26DCryChS strain could be put forward as a modern approach for biocontrol agents design.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Endophytic Strain Bacillus subtilis 26DCryChS Producing Cry1Ia Toxin from Bacillus thuringiensis Promotes Multifaceted Potato Defense against Phytophthora infestans (Mont.) de Bary and Pest Leptinotarsa decemlineata Say

Sorokan

Benkovskaya

Бурханова

et al. 2020

Plants

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“…Rahman et al () deduced that B. velezensis FZB42 conferred ISR in perennial rye grass ( Lolium perenne ) against Magnaporthe oryzae which is actuated through hydrogen peroxide burst, elevated peroxidase activity, and deposition of callose and phenolic/polyphenolic compounds. Burkhanova et al () reported SA‐regulated ISR in B. subtilis and B. thuringiensis inoculated wheat against Septoria nodorum . Miao et al () showed that Bacillus simplex elicited early plant defence system in tobacco by increasing the production of reactive oxygen species and callose deposition mediated through both JA/ET and SA defence signalling networks.…”

Section: Induction Of Systemic Resistancementioning

confidence: 99%

Bacillusspecies in soil as a natural resource for plant health and nutrition

et al. 2019

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The genus Bacillus is one of the predominant bacterial genera found in soil, and several species of this genus have been reported from diverse ecological niches. Endowed with tremendous genetic and metabolic diversity, Bacillus spp. serve multiple ecological functions in soil ecosystem from nutrient cycling to conferring stress tolerance to plants. Members of the genus Bacillus are known to have multiple beneficial traits which help the plants directly or indirectly through acquisition of nutrients, overall improvement in growth by production of phytohormones, protection from pathogens and other abiotic stressors. This functionally versatile genus is one of the most commercially exploited bacteria in the agro-biotechnology industry. Still its potential has not been realized sufficiently and requires an emphasis towards translating the relevant technologies from laboratory to land for the benefit of mankind.

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“…A lot of Bacillus species can inhabit internal plant tissues (Burkhanova et al, 2017) and produce ribonucleases (Ulyanova et al, 2016;Ilinskaya et al, 2018). Thus, 73 % of Bacillus which were isolated from Cucurbitaceae produce nucleases (Khalaf, Raizada, 2018).…”

Section: Introductionmentioning

confidence: 99%

Endophytic Bacillus bacteria with RNase activity in the resistance of potato plants to viruses

Бурханова¹,

Sorokan²,

Черепанова³

et al. 2019

Vestn. VOGiS

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Viral diseases annually cause significant crop losses and significantly reduce the quality of products, including potatoes, some of the most important crops. Currently, viruses cannot be controlled with chemical pesticides, since known antiviral compounds are teratogenic and hazardous to people’s health. Biocontrol agents based on endophytic microorganisms may be an alternative to them. Many strains of Bacillus produce ribonucleases (RNases). Our laboratory possesses a collection of bacteria that produce various metabolites and have RNase activity. The results showed that the inoculation of potato with B. subtilis 26D and B. thuringiensis increased the grain yield by 32–43 %. In addition, the treatment of potato plants with Bacillus spp. significantly reduced the infection of potato plants with virus M. The prevalence of the disease in potato plants was significantly reduced from 60 % in the control to 18 % (B. subtillis 26D) and 25–33 % (B. thuringiensis) in the inoculated plants. Similarly, the infection index decreased from 14 in the control to 1 in the inoculated plants. The further study of molecular mechanisms related to bacterial induction of plant defense reactions in response to viral infections will lead to a better understanding of stress resistance problems. The endophytic microorganisms studied in this report may become the basis for the creation of biological agents for plant protection.

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Strains of Bacillus ssp. regulate wheat resistance to Septoria nodorum Berk.

Cited by 26 publications

References 24 publications

Endophytic Strain Bacillus subtilis 26DCryChS Producing Cry1Ia Toxin from Bacillus thuringiensis Promotes Multifaceted Potato Defense against Phytophthora infestans (Mont.) de Bary and Pest Leptinotarsa decemlineata Say

Endophytic Strain Bacillus subtilis 26DCryChS Producing Cry1Ia Toxin from Bacillus thuringiensis Promotes Multifaceted Potato Defense against Phytophthora infestans (Mont.) de Bary and Pest Leptinotarsa decemlineata Say

Bacillusspecies in soil as a natural resource for plant health and nutrition

Endophytic Bacillus bacteria with RNase activity in the resistance of potato plants to viruses

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