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Article: The effect of salicylic and jasmonic acids on the activity of SnAGO genes in the fungus Stagonospora nodorum Berk. in in vitro culture and during infection of wheat plants.

Shein, M Yu / Burkhanova, G F / Maksimov, I V

Vavilovskii zhurnal genetiki i selektsii

2024 Volume 27, Issue 8, Page(s) 1000–1009

Abstract: RNA interference is a gene silencing mechanism that plays an important role in genetic regulation in a number of eukaryotes. Argonaute (AGO) proteins are central to the complex RNA interference system. However, their role in this mechanism, both in the ... ...

Abstract	RNA interference is a gene silencing mechanism that plays an important role in genetic regulation in a number of eukaryotes. Argonaute (AGO) proteins are central to the complex RNA interference system. However, their role in this mechanism, both in the host plant organism and in the pathogen, has not yet been fully elucidated. In this work, we identified and phylogenetically analyzed the SnAGO1, SnAGO2, SnAGO3, and SnAGO18 genes of the pathogenic fungus Stagonospora nodorum Berk., and analyzed their expression under conditions of infection of plants with varying degrees of resistance to the pathogen. The expression level against the background of plant immunization with the resistance inducers salicylic and jasmonic acids was assessed. In addition, the activity of these genes in the culture of the fungus in vitro was studied under the direct influence of resistance inducers on the mycelium of the fungus. Earlier activation of the SnAGO genes in in vitro culture under the influence of salicylic and jasmonic acids suggests their sensitivity to it. In an in vivo system, plant immunization to induce the accumulation of pathogen SnAGO transcripts was found. At the same time, the SnAGO genes of the fungus S. nodorum, when interacting with plant cells, reacted depending on the degree of host resistance: the highest level of transcripts in the resistant variety was observed. Thus, our data prove that the SnAGO genes of the fungus S. nodorum effectively interact with the host defense system in direct proportion to the degree of resistance of the latter to the pathogen. It was proposed to use the ratio of the transcriptional activity of the fungal reference gene SnTub to the host TaRLI gene as a marker of disease development in the initial period of the infectious process.
Language	English
Publishing date	2024-01-18
Publishing country	Russia (Federation)
Document type	Journal Article
ISSN	2500-0462
ISSN	2500-0462
DOI	10.18699/VJGB-23-115
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: RNA Interference in Plant Protection from Fungal and Oomycete Infection

Maksimov, I. V. / Shein, M. Yu / Burkhanova, G. F.

Appl Biochem Microbiol. 2022 Dec., v. 58, no. Supplement 1 p.S16-S31

2022

Abstract: Phytopathogenic fungi pose a threat to food security, limiting the biological potential of agricultural crops and reducing the quality of products. New plant protection methods based on natural systemic and cellular phytoimmunity are being developed, ... ...

Abstract	Phytopathogenic fungi pose a threat to food security, limiting the biological potential of agricultural crops and reducing the quality of products. New plant protection methods based on natural systemic and cellular phytoimmunity are being developed, where a unique mechanism, described by the term “RNA interference” (RNAi), occupies a special place. RNAi regulates the expression of target genes in a homologically dependent manner; with the involvement of a protein complex designated as RISC (RNA-induced silencing complex), on the one hand, it protects plants from pathogens, but on the other hand, pathogens use it as a virulence factor. Cases of bilateral exchange of small RNAs between plants and pathogens that affect them through extracellular vesicles have been described. This review discusses the role of small RNAs, as well as the DCL, AGO, and RdR proteins, in the infection of plants with pathogenic fungi and oomycetes, and the prospects for using RNAi in the development of environmentally friendly modern plant protection products.
Keywords	Oomycetes ; RNA interference ; food security ; fungi ; plant protection ; virulence
Language	English
Dates of publication	2022-12
Size	p. S16-S31.
Publishing place	Pleiades Publishing
Document type	Article ; Online
ZDB-ID	412550-2
ISSN	1608-3024 ; 0003-6838
ISSN (online)	1608-3024
ISSN	0003-6838
DOI	10.1134/S0003683822100106
Database	NAL-Catalogue (AGRICOLA)

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Article: Isolation and Identification of Lipopeptides of Bacillus subtilis 26D

Cherepanova, E. A. / Galyautdinov, I. V. / Burkhanova, G. F. / Maksimov, I. V.

Applied biochemistry and microbiology. 2021 Sept., v. 57, no. 5

2021

Abstract: Among the wide range of biologically active substances secreted by endophytic bacteria, lipopeptides are of considerable interest. The presence of lipopeptide synthetase genes responsible for their synthesis in bacteria of the endophytic strain Bacillus ... ...

Abstract	Among the wide range of biologically active substances secreted by endophytic bacteria, lipopeptides are of considerable interest. The presence of lipopeptide synthetase genes responsible for their synthesis in bacteria of the endophytic strain Bacillus subtilis 26D was analyzed. A lipopeptide-rich fraction was isolated from the culture medium of B. subtilis 26D. Analysis of the lipopeptide composition via thin-layer chromatography (TLC) revealed the presence of surfactin in the B. subtilis 26D strain, which is confirmed by the presence of the surfactin-synthetase gene in the genome of this bacterial strain. High-performance chromatography (HPLC) with mass spectrometric analysis showed the presence of two varieties of surfactin (C13 and C15).
Keywords	Bacillus subtilis ; culture media ; endophytes ; genes ; mass spectrometry ; surfactin ; thin layer chromatography
Language	English
Dates of publication	2021-09
Size	p. 636-642.
Publishing place	Pleiades Publishing
Document type	Article
ZDB-ID	412550-2
ISSN	1608-3024 ; 0003-6838
ISSN (online)	1608-3024
ISSN	0003-6838
DOI	10.1134/S0003683821050033
Database	NAL-Catalogue (AGRICOLA)

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Article: RNA Interference in Plant Defense Systems

Maksimov, I. V. / Shein, M. Yu / Burkhanova, G. F.

Russian journal of plant physiology. 2021 July, v. 68, no. 4

2021

Abstract: Plant pests and pathogens, including viruses, reduce the biological potential of crops and undermine food safety. The methods of crop protection based on natural systemic and cellular plant immunity are currently being developed and special attention is ... ...

Abstract	Plant pests and pathogens, including viruses, reduce the biological potential of crops and undermine food safety. The methods of crop protection based on natural systemic and cellular plant immunity are currently being developed and special attention is given to a unique mechanism known as RNA interference (RNAi). It creates one of the levels of evolutionary conserved and yet highly species-specific plant immunity. This review deals with the role of small, noncoding RNA and DCL, AGO, and RDR proteins involved in RNAi machinery in the infection by pathogens, viruses, and pests, and the prospects for application of this phenomenon in the creation of preparations designed to protect crops against pests and diseases, including artificial switching off of the genes known as spray-induced gene silencing (SIGS).
Keywords	RNA interference ; food safety ; genes ; immunity ; non-coding RNA ; plant physiology ; plant protection
Language	English
Dates of publication	2021-07
Size	p. 613-625.
Publishing place	Pleiades Publishing
Document type	Article
ZDB-ID	1166808-8
ISSN	1608-3407 ; 1070-3292 ; 1021-4437
ISSN (online)	1608-3407
ISSN	1070-3292 ; 1021-4437
DOI	10.1134/S1021443721030134
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Article: Effect of Bacillus Bacteria on Hydrogen Peroxide Content and Gene Expression of Hydrolase Inhibitors in Potato Plants Infected with Phytophthora infestans (Mont.) de Bary

Yarullina, L. G. / Tsvetkov, V. O. / Burkhanova, G. F. / Sorokan, A. V. / Zaikina, E. A.

Russian journal of plant physiology. 2021 Nov., v. 68, no. 6

2021

Abstract: Late blight of potato (Solanum tuberosum L.) caused by the oomycete Phytophthora infestans (Mont.) de Bary was studied in respect to the disease resistance induced by Bacillus subtilis Cohn (strains 26D and 11VM) and B. thuringiensis Berliner (strains B- ... ...

Abstract	Late blight of potato (Solanum tuberosum L.) caused by the oomycete Phytophthora infestans (Mont.) de Bary was studied in respect to the disease resistance induced by Bacillus subtilis Cohn (strains 26D and 11VM) and B. thuringiensis Berliner (strains B-5351 and B-6066) bacteria. The content of hydrogen peroxide, activities of antioxidant (catalases and peroxidases) and hydrolytic (proteases and amylases) enzymes, together with the gene expression of inhibitors of hydrolases, as the parameters related to the resistance, were assessed. The 15-day-old plants of a cv. Rannyaya Rosa susceptible to late blight were derived from microtubers. The plants were sprayed with bacterial suspension (10⁸ cells/mL) of one of the mentioned strains of B. subtilis or B. thuringiensis. After 5 days, part of the plants was inoculated with P. infestans zoospores (10⁵ spores/mL). After 6, 24, or 48 h postinoculation, the plants were fixed for biochemical analyses. It was found that either B. subtilis or B. thuringiensis reduced the late blight severity on the potato leaves; the effect depended on the particular bacterial strain applied. This was apparently a consequence of H₂O₂ accumulation and increased expression of the genes encoding protease and amylase inhibitors. The transcriptional activity of the genes of hydrolase inhibitors was stimulated by B. subtilis and B. thuringiensis to different extents. This suggests the existence of different strain-dependent pathways of establishment of bacteria-induced potato resistance to P. infestans.
Keywords	Bacillus subtilis ; Phytophthora infestans ; Rosa ; Solanum tuberosum ; amylases ; catalase ; disease resistance ; gene expression ; hydrogen peroxide ; plant physiology ; potatoes ; proteinases ; transcription (genetics)
Language	English
Dates of publication	2021-11
Size	p. 1257-1264.
Publishing place	Pleiades Publishing
Document type	Article
ZDB-ID	1166808-8
ISSN	1608-3407 ; 1070-3292 ; 1021-4437
ISSN (online)	1608-3407
ISSN	1070-3292 ; 1021-4437
DOI	10.1134/S1021443721060194
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Impact of Bacillus subtilis Bacteria in Combination with Salicylic and Jasmonic Acids on Changing the Proteome of Potato Leaves when Infected by Phytophthora infestans (Mont.) De Bary and with a Moisture Deficit

Yarullina, L. G. / Tsvetkov, V. O. / Khabibullina, V. O. / Cherepanova, E. A. / Burkhanova, G. F. / Zaikina, E. A. / Kalatskaya, J. N.

Russ J Plant Physiol. 2022 Aug., v. 69, no. 4 p.81-81

2022

Abstract: The effect of Bacillus subtilis bacteria in combination with salicylic (SA) and jasmonic (JA) acids on changes in the proteome of potato leaves during infection with Phytophthora infestans (Mont.) de Bary and moisture deficit was studied. Plants grown ... ...

Abstract	The effect of Bacillus subtilis bacteria in combination with salicylic (SA) and jasmonic (JA) acids on changes in the proteome of potato leaves during infection with Phytophthora infestans (Mont.) de Bary and moisture deficit was studied. Plants grown from microtubers of the Rannyaya Roza variety were sprayed with a suspension of B. subtilis (10⁸ cells/mL) and a mixture of bacteria with SA (10–⁶ M), JA (10–⁷ M), and SA + JA. The plants were infected with P. infestans (10⁵ spores/mL) 3 days after treatment and cultivated under conditions of artificial soil drought by reducing watering. When the soil moisture reached 40 ± 5% of the total water capacity (7 days after infection), the plants were fixed in liquid nitrogen to isolate proteins and analyze them by two-dimensional electrophoresis and mass spectrometry. A decrease in the degree of infestation with P. infestans was shown when potato leaves were treated with B. subtilis in combination with SA and JA. The leaf proteome shows differences in the content of 14 proteins in the pI range from 4.0 to 9.0 with molecular masses from 30 to 125 kDa. The most significant changes in the spectrum of plant proteins were found in healthy plants treated with B. subtilis and in infected plants in the combination of B. subtilis with JA. Qualitative and quantitative changes were observed for proteins involved in the processes of respiration and hypersensitivity reactions (HSR), energy metabolism, synthesis of secondary metabolites, and protective proteins that affect plant resistance to abiotic and biotic stress. Proteomic analysis has identified important proteins involved in the mechanism of potato responses to treatment with B. subtilis and infection with P. infestans, although the exact functions of the identified proteins and their potential impact on potato plant resistance to P. infestans and moisture deficit remain to be elucidated.
Keywords	Bacillus subtilis ; Phytophthora infestans ; biotic stress ; drought ; energy metabolism ; hypersensitivity ; leaves ; liquid nitrogen ; mass spectrometry ; potatoes ; proteome ; proteomics ; secondary metabolites ; soil water ; two-dimensional gel electrophoresis
Language	English
Dates of publication	2022-08
Size	p. 81.
Publishing place	Pleiades Publishing
Document type	Article ; Online
ZDB-ID	1166808-8
ISSN	1608-3407 ; 1070-3292 ; 1021-4437
ISSN (online)	1608-3407
ISSN	1070-3292 ; 1021-4437
DOI	10.1134/S1021443722040215
Database	NAL-Catalogue (AGRICOLA)

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Article: Stimulation of the Protective Mechanisms of Solanum tuberosum by the Bacteria Bacillus subtilis and Chitooligosaccharides upon Infection with Phytophthora infestans

Yarullina, L. G. / Burkhanova, G. F. / Tsvetkov, V. O. / Cherepanova, E. A. / Zaikina, E. A. / Sorokan, A. V. / Maksutova, V. O. / Kalatskaya, J. N. / Maksimov, I. V.

Applied biochemistry and microbiology. 2022 Apr., v. 58, no. 2

2022

Abstract: The joint effect of Bacillus subtilis 26D endophytic bacteria and chitooligosaccharides (COSs) on the resistance of potato plants (Solanum tuberosum L.) to the late blight causative agent Phytophthora infestans (Mont.) De Bary was studied. A twofold ... ...

Abstract	The joint effect of Bacillus subtilis 26D endophytic bacteria and chitooligosaccharides (COSs) on the resistance of potato plants (Solanum tuberosum L.) to the late blight causative agent Phytophthora infestans (Mont.) De Bary was studied. A twofold decrease in the area of late-blight lesions on potato leaves was revealed during the joint presowing treatment of minitubers with B. subtilis bacteria (10⁸ cells/mL) with COSs (1 mg/L). Treatment with COSs was found to have similar protective effect on potato plants, but this was not observed with the use of only bacteria. The mechanisms of increased potato-plant resistance to P. infestans were associated with the activation of catalase, peroxidase, and hydrolases (amylase and protease) inhibitors, the accumulation of hydrogen peroxide, and transcripts of genes encoding PR proteins: amylase inhibitor, basic protective protein (PR-1), chitinase (PR-3), protease inhibitor (PR-6), peroxidase (PR-9). The revealed activation of the gene expression of the main antimicrobial protein PR-1 (a marker of the development of systemic acquired resistance) and PR-6 (a marker of the development of induced systemic resistance) under the influence of combined treatment with B. subtilis and COSs indicates that the development of protective reactions in potato plants to the late blight pathogen in this case occurs synergistically, with the participation of various signaling pathways, in which B. subtilis prime protective genes, and COSs act as a trigger for their expression.
Keywords	Bacillus subtilis ; Phytophthora infestans ; Solanum tuberosum ; amylases ; antimicrobial proteins ; catalase ; chitinase ; chitooligosaccharides ; endophytes ; gene expression ; hydrogen peroxide ; pathogens ; peroxidase ; potatoes ; protective effect ; proteinase inhibitors ; proteinases ; systemic acquired resistance
Language	English
Dates of publication	2022-04
Size	p. 166-174.
Publishing place	Pleiades Publishing
Document type	Article
ZDB-ID	412550-2
ISSN	1608-3024 ; 0003-6838
ISSN (online)	1608-3024
ISSN	0003-6838
DOI	10.1134/S0003683822020168
Database	NAL-Catalogue (AGRICOLA)

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Article: Strains of Bacillus spp. Regulate Wheat Resistance to Greenbug Aphid Schizaphis graminum Rond

Veselova, S. V / Blagova, D. K / Burkhanova, G. F / Maksimov, I. V / Rumyantsev, S. D

Applied biochemistry and microbiology. 2019 Jan., v. 55, no. 1

2019

Abstract: It has been found that the bacteria Bacillus subtilis Cohn. (strain 26 D) and Bacillus thuringiensis Berliner (strains V-6066 and V-5689) are able to suppress the vital activity of the greenbug aphid Schizaphis graminum Rond. The protective effects of ... ...

Abstract	It has been found that the bacteria Bacillus subtilis Cohn. (strain 26 D) and Bacillus thuringiensis Berliner (strains V-6066 and V-5689) are able to suppress the vital activity of the greenbug aphid Schizaphis graminum Rond. The protective effects of the studied Bacillus spp. strains consisted of direct aphicidal activity, and they indirectly induce systemic resistance in wheat plants via the regulation of hydrogen peroxide generation, the activity of peroxidase and catalase, and an increased expression of defense-related genes, such us NADPH oxidases, PR-6, and PR-9. It has been shown that B. thuringiensis strains induced genes of the jasmonate-dependent signaling pathway, and B. subtilis strain induced genes of the salicylate-dependent signaling pathway. It has been found that the composition of the studied Bacillus spp. strains had an additive effect of wheat plant resistance to pests. These results support the use of these Bacillus spp. strains as a basis for the further development of a biopreparation against cereal aphids.
Keywords	additive effect ; Bacillus subtilis ; Bacillus thuringiensis ; bacteria ; biological production ; catalase ; enzyme activity ; genes ; hydrogen peroxide ; pathogenesis-related proteins ; peroxidase ; pest resistance ; protective effect ; Schizaphis graminum ; signal transduction ; Triticum ; wheat
Language	English
Dates of publication	2019-01
Size	p. 41-47.
Publishing place	Pleiades Publishing
Document type	Article
ZDB-ID	412550-2
ISSN	1608-3024 ; 0003-6838
ISSN (online)	1608-3024
ISSN	0003-6838
DOI	10.1134/S0003683819010186
Database	NAL-Catalogue (AGRICOLA)

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Article: [The effect of salicylic and jasmonic acids on the activity and range of protective proteins during the infection of wheat by the septoriosis pathogen].

Iarullina, L G / Kasimova, R I / Burkhanova, G F / Akhatova, A R

Izvestiia Akademii nauk. Seriia biologicheskaia

2015 , Issue 1, Page(s) 34–41

Abstract: The influence of salicylic (SA) and jasmonic (JA) acids as signaling systems mediators on the generation of H2O2 and expression of genes encoding protective proteins was studied in the leaves of wheat Triticum aestivum L. upon infection with the pathogen ...

Abstract	The influence of salicylic (SA) and jasmonic (JA) acids as signaling systems mediators on the generation of H2O2 and expression of genes encoding protective proteins was studied in the leaves of wheat Triticum aestivum L. upon infection with the pathogen of septoriosis Septoria nodorum Berk. It was found that presowing treatment of seeds with SA and JA decreased the development of the fungus on the leaves of wheat and had a stimulating effect on the production of H2O2 in the area of infection. An increased expression of genes encoding oxalate oxidase AJ556991.1 and anionic peroxidase TC 151917 was shown in infected tissues with the method of polymerase chain reaction.
MeSH term(s)	Ascomycota/drug effects ; Ascomycota/pathogenicity ; Cyclopentanes/pharmacology ; Gene Expression Regulation, Plant/drug effects ; Humans ; Hydrogen Peroxide/metabolism ; Oxylipins/pharmacology ; Plant Diseases/genetics ; Plant Diseases/microbiology ; Plant Proteins/biosynthesis ; Plant Proteins/genetics ; Salicylates/pharmacology ; Seeds/drug effects ; Seeds/growth & development ; Seeds/microbiology ; Triticum/drug effects ; Triticum/genetics ; Triticum/microbiology
Chemical Substances	Cyclopentanes ; Oxylipins ; Plant Proteins ; Salicylates ; jasmonic acid (6RI5N05OWW) ; Hydrogen Peroxide (BBX060AN9V)
Language	Russian
Publishing date	2015-01
Publishing country	Russia (Federation)
Document type	English Abstract ; Journal Article
ZDB-ID	430442-1
ISSN	1026-3470 ; 0002-3329
ISSN	1026-3470 ; 0002-3329
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Article: Effect of Bacillus subtilis and Signaling Molecules on the State of the Pro/Antioxidant System and the Expression of Protective Protein Genes in Potato Plants upon Phytophthorosis and a Moisture Deficit

Yarullina, L. G. / Tsvetkov, V. O. / Burkhanova, G. F. / Cherepanova, E. A. / Sorokan, A. V. / Zaikina, E. A. / Mardanshin, I. S. / Kalatskaya, J. N. / Balyuk, N. V.

Applied biochemistry and microbiology. 2021 Nov., v. 57, no. 6

2021

Abstract: The effect of the bacteria Bacillus subtilis in combination with salicylic (SA) and jasmonic (JA) acids on the state of the pro/antioxidant system (the content of hydrogen peroxide, the activity of catalase, peroxidase, superoxide dismutase), the ... ...

Abstract	The effect of the bacteria Bacillus subtilis in combination with salicylic (SA) and jasmonic (JA) acids on the state of the pro/antioxidant system (the content of hydrogen peroxide, the activity of catalase, peroxidase, superoxide dismutase), the transcriptional activity of the genes PR-1, PR-6, and PR-9, and changes in the leaf proteome in connection with the development of potato resistance to the causative agent of late blight, the oomycete Phytophthora infestans (Mont.) de Bary, upon a moisture deficiency was studied. Plants grown from microtubers were sprayed with a suspension of B. subtilis (10⁸ cells/mL) and a mixture of bacteria with SA (10–⁶ M), JA (10–⁷ M), SA + JA. Three days after treatment, the plants were infected with P. infestans (10⁵ spores/mL) and cultivated under artificial soil drought conditions created with a reduction in irrigation. The biochemical parameters in plants were assessed when the soil moisture reached 40 ± 5% of full moisture capacity (7 days after infection). A decrease in the degree of P. infestans development on leaves was detected upon treatment with B. subtilis in combination with SA and JA. The mechanism of the activation of the defense systems of potato plants by bacteria of the genus Bacillus and signaling molecules under drought conditions was associated with the accumulation of H₂O₂, an increase in the activity of antioxidant enzymes, and the expression of PR-protein genes. In the proteome of potato leaves, differences were found in the presence of 19 polypeptides in the pI range from 4.0 to 9.0 with molecular weights from 30 to 125 kDa. Treatment with B. subtilis in combination with JA most significantly changed the protein spectra in both healthy and infected plants. The revealed differences in the activation of the synthesis of protective proteins under the influence of B. subtilis bacteria and signaling molecules indicate the existence of differential pathways for the formation of resistance to P. infestans in potato plants with their participation.
Keywords	Bacillus subtilis ; Phytophthora infestans ; catalase ; drought ; etiological agents ; hydrogen peroxide ; irrigation ; leaves ; peroxidase ; polypeptides ; potatoes ; proteome ; soil water ; superoxide dismutase ; transcription (genetics)
Language	English
Dates of publication	2021-11
Size	p. 760-769.
Publishing place	Pleiades Publishing
Document type	Article
ZDB-ID	412550-2
ISSN	1608-3024 ; 0003-6838
ISSN (online)	1608-3024
ISSN	0003-6838
DOI	10.1134/S0003683821060132
Database	NAL-Catalogue (AGRICOLA)

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