1
|
Nandni, Rani S, Dhiman I, Wati L. Biopriming with multifarious sulphur-oxidizing bacteria improve in vitro Vigna radiata L. (mung bean) and Brassica juncea L. (mustard) seed germination. Folia Microbiol (Praha) 2024:10.1007/s12223-024-01195-8. [PMID: 39235527 DOI: 10.1007/s12223-024-01195-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 08/26/2024] [Indexed: 09/06/2024]
Abstract
Biopriming seeds with beneficial bacteria has potential to enhance seed germination. Therefore, in this investigation, five sulphur-oxidizing bacterial cultures, viz., Pantoea dispersa SOB2, Bacillus velezensis SN06, Bacillus cereus SN20, Bacillus tropicus SN16, and Bacillus megaterium SN11, were evaluated for different plant growth-promoting traits and their impact on Vigna radiata L. (mung bean) and Brassica juncea L. (mustard) seed germination. Among these, three bacterial cultures Pantoea dispersa SOB2, Bacillus velezensis SN06, and Bacillus megaterium SN11 evinced potential for mineral solubilization on solid medium where Pantoea dispersa SOB2 had the maximum solubilization indices-3.06, 5.14, and 2.48 for phosphate, zinc, and potassium respectively. The culture also displayed higher indole acetic acid (113.12 µg/mL), gibberellic acid (162.66 µg/mL), ammonia (5.23 µg/mL), and siderophore (69.53%) production than other bacterial cultures whereas Bacillus cereus SN20 showed maximum exopolysaccharide production (9.26 g/L). Bacterial culture Pantoea dispersa SOB2 significantly ameliorated the germination rate (3.73 no./day) and relative seed germination (208%) of Brassica juncea L., while Bacillus velezensis SN06 and Bacillus cereus SN20 followed with germination rate and relative seed germination of 2.86 no./day and 207%, respectively. Pantoea dispersa SOB2 displayed lowest mean germination time 2.91 days followed by Bacillus megaterium SN11 with 3.19 days. Biopriming with sulphur-oxidizing bacterial cultures, germination parameters of Vigna radiata L. were also markedly improved. Pantoea dispersa SOB2 demonstrated the highest germination rate (6.72 no./day), relative seed germination (115.56%), and minimum mean generation time (1.73 days). Bacillus velezensis SN06 inoculation had a beneficial effect on the seedling growth of Vigna radiata L., whereas Pantoea dispersa SOB2 greatly aided the seedling growth of Brassica juncea L. Results corroborated a prominent positive correlation between seed germination and plant growth-promoting traits. This is the first study on Pantoea dispersa as sulphur oxidizer, displaying plant growth promoting traits and seed germination potential. The potent sulphur-oxidizing bacterial cultures possessing plant growth promoting activities enhanced seed germination under in vitro conditions that could be further explored in field as biofertilizers to enhance the growth and yield of Brassica juncea L. and Vigna radiata L. crop.
Collapse
Affiliation(s)
- Nandni
- Department of Microbiology, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University, Hisar, 125004, Haryana, India.
| | - Savita Rani
- Department of Microbiology, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University, Hisar, 125004, Haryana, India
| | - Indu Dhiman
- Department of Microbiology, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University, Hisar, 125004, Haryana, India
| | - Leela Wati
- Department of Microbiology, College of Basic Sciences & Humanities, Chaudhary Charan Singh Haryana Agricultural University, Hisar, 125004, Haryana, India
| |
Collapse
|
2
|
Oliveira AFR, Silva MPD, Santos CC, Oliveira Júnior ECD, Novaes LS, Martins LOM, Santos HLD, Silverio JM, Scalon SPQ. Seed priming with Ascophyllum nodosum (L.) Le Jolis extract macroalgae in soybean. BRAZ J BIOL 2024; 84:e286941. [PMID: 39230086 DOI: 10.1590/1519-6984.286941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Accepted: 06/27/2024] [Indexed: 09/05/2024] Open
Abstract
Seed priming with biostimulant for soybean is a promising practice contributing positively to the physiological quality and vigor of seedlings, but there are little studies regarding protocols of bioinputs, such as Ascophyllum nodosum L. seaweed extract. We aimed to evaluate the effect of doses of A. nodosum macroalgae in seed priming and its impact on germination and seedling vigor of soybean. Seeds were subjected to priming with A. nodosum extract (ANE) at doses of 0, 1, 2, 3, 4, and 5 mL kg seed-1 during 15 min. Priming with ANE did not influence the first count and seed germination. Soybean seedlings from priming with 5 mL kg-1 ANE showed higher growth and shoot and root dry biomass. We observed increase 18% for shoot dry matter with priming of 5 mL kg-1 ANE compared to untreated seeds. The responses were variable for the emergence speed index in function ANE and did not influence the photochemical processes in photosystem II. Seed priming with ANE contributed in higher chlorophyll index. ANE showed a biostimulant effect on soybean seedlings, providing better growth and biomass characteristics, being promising in seed priming, but further studies are suggested in order to increase information regarding its use protocol for soybean.
Collapse
Affiliation(s)
- A F R Oliveira
- Universidade Federal da Grande Dourados - UFGD, Faculdade de Ciências Agrárias, Dourados, MS, Brasil
| | - M P da Silva
- Universidade Federal da Grande Dourados - UFGD, Faculdade de Ciências Agrárias, Dourados, MS, Brasil
| | - C C Santos
- Universidade Federal da Grande Dourados - UFGD, Faculdade de Ciências Agrárias, Dourados, MS, Brasil
| | - E C de Oliveira Júnior
- Serviço Nacional de Aprendizagem Industrial - SENAI, Laboratório de Tecnologia de Sementes, Dourados, MS, Brasil
| | - L S Novaes
- Centro Universitário da Grande Dourados - UNIGRAN, Departamento de Ciências Agrárias, Dourados, MS, Brasil
| | - L O M Martins
- Universidade Federal da Grande Dourados - UFGD, Faculdade de Ciências Agrárias, Dourados, MS, Brasil
| | - H L Dos Santos
- Universidade Federal da Grande Dourados - UFGD, Faculdade de Ciências Agrárias, Dourados, MS, Brasil
| | - J M Silverio
- Universidade Federal da Grande Dourados - UFGD, Faculdade de Ciências Agrárias, Dourados, MS, Brasil
| | - S P Q Scalon
- Universidade Federal da Grande Dourados - UFGD, Faculdade de Ciências Agrárias, Dourados, MS, Brasil
| |
Collapse
|
3
|
Mirzajani F, Rezadoost H, Zerang R, Sonboli A. Impact of ultra-high dilutions from Iranian endemic and commercial calendula on the germination and growth quality of Oryza sativa L. Heliyon 2024; 10:e34868. [PMID: 39144930 PMCID: PMC11320198 DOI: 10.1016/j.heliyon.2024.e34868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 07/06/2024] [Accepted: 07/17/2024] [Indexed: 08/16/2024] Open
Abstract
Purpose This article deals with producing ultra-diluted compounds (UHDs) prepared from Iranian calendula's characteristic and endemic species. It compares their chemical, biological and biochemical characteristics with the commercial sample of calendula species (grown in the Alps). In the following, these UHDs have been used to improve the quality of germination and growth and reduce contamination of rice (Oryza sativa) seeds in the laboratory environment. Methods High-performance thin-layer chromatography (HPTLC) is used to isolate the active compounds. On the separated results, antioxidant and antibacterial were identified directly on the plate (Bio-autographic method). Direct on the plate)DESI mass spectrometry was used to identify the active compounds. Results The HPTLC reveals that the chromatogram of native C. percica and C. officinalis extract is the most similar to the commercial compounds. The highest antioxidant activity is related to C. officinalis. The best antibacterial activity of the extracts against Staphylococcus aureus and Escherichia coli belongs to C. officinalis and C. tripterocarpa. Rutin, quercitrin, β-campstrole and di-o-caffeoylquinic acid, which are among the flavonoid and terpenoid categories were identified as active compounds. The prepared UHDs from native calendula are biologically more effective than the commercial ones in increasing seed germination efficiency, improving rooting quality and reducing contamination. Conclusion Using UHDs increases the production of photosynthetic pigments the root length and the number of lateral roots. Also, the amount of protein, gibberellic acid and abscisic acid in seedlings treated using native UHDs of C. officinalis (native or commercial) is higher than the others.
Collapse
Affiliation(s)
- Fateme Mirzajani
- Protein Research Center, Shahid Beheshti University, 1983969411, Tehran, Iran
- Department of Medical Laboratory Science, College of Science, Knowledge University, Erbil 44001, Iraq
| | - Hassan Rezadoost
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, 1983969411, Tehran, Iran
| | - Reza Zerang
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, 1983969411, Tehran, Iran
| | - Ali Sonboli
- Department of Biology, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, 1983969411, Tehran, Iran
| |
Collapse
|
4
|
Ríos-Ruiz WF, Tarrillo-Chujutalli RE, Rojas-García JC, Tuanama-Reátegui C, Pompa-Vásquez DF, Zumaeta-Arévalo CA. The Biotechnological Potential of Plant Growth-Promoting Rhizobacteria Isolated from Maize ( Zea mays L.) Cultivations in the San Martin Region, Peru. PLANTS (BASEL, SWITZERLAND) 2024; 13:2075. [PMID: 39124194 PMCID: PMC11313924 DOI: 10.3390/plants13152075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 07/23/2024] [Accepted: 07/24/2024] [Indexed: 08/12/2024]
Abstract
Maize (Zea mays L.) is an essential commodity for global food security and the agricultural economy, particularly in regions such as San Martin, Peru. This study investigated the plant growth-promoting characteristics of native rhizobacteria isolated from maize crops in the San Martin region of Peru with the aim of identifying microorganisms with biotechnological potential. Soil and root samples were collected from maize plants in four productive zones in the region: Lamas, El Dorado, Picota, and Bellavista. The potential of twelve bacterial isolates was evaluated through traits, such as biological nitrogen fixation, indole acetic acid (IAA) production, phosphate solubilization, and siderophore production, and a completely randomized design was used for these assays. A completely randomized block design was employed to assess the effects of bacterial strains and nitrogen doses on maize seedlings. The B3, B5, and NSM3 strains, as well as maize seeds of the yellow hard 'Advanta 9139' variety, were used in this experiment. Two of these isolates, B5 and NSM3, exhibited outstanding characteristics as plant growth promoters; these strains were capable of nitrogen fixation, IAA production (35.65 and 26.94 µg mL-1, respectively), phosphate solubilization (233.91 and 193.31 µg mL-1, respectively), and siderophore production (34.05 and 89.19%, respectively). Furthermore, molecular sequencing identified the NSM3 isolate as belonging to Sporosarcina sp. NSM3 OP861656, while the B5 isolate was identified as Peribacillus sp. B5 OP861655. These strains show promising potential for future use as biofertilizers, which could promote more sustainable agricultural practices in the region.
Collapse
Affiliation(s)
- Winston Franz Ríos-Ruiz
- Laboratorio de Microbiología Agrícola “Raúl Ríos Reátegui”, Departamento Académico Agrosilvopastoril, Facultad de Ciencias Agrarias, Universidad Nacional de San Martín, Tarapoto 22202, Peru; (R.E.T.-C.); (J.C.R.-G.); (D.F.P.-V.); (C.A.Z.-A.)
| | - Rosslinn Esmith Tarrillo-Chujutalli
- Laboratorio de Microbiología Agrícola “Raúl Ríos Reátegui”, Departamento Académico Agrosilvopastoril, Facultad de Ciencias Agrarias, Universidad Nacional de San Martín, Tarapoto 22202, Peru; (R.E.T.-C.); (J.C.R.-G.); (D.F.P.-V.); (C.A.Z.-A.)
| | - Jose Carlos Rojas-García
- Laboratorio de Microbiología Agrícola “Raúl Ríos Reátegui”, Departamento Académico Agrosilvopastoril, Facultad de Ciencias Agrarias, Universidad Nacional de San Martín, Tarapoto 22202, Peru; (R.E.T.-C.); (J.C.R.-G.); (D.F.P.-V.); (C.A.Z.-A.)
| | - Cicerón Tuanama-Reátegui
- Departamento Académico de Ingeniería Agroindustrial, Facultad de Ingeniería Agroindustrial, Universidad Nacional de San Martín, Tarapoto 22202, Peru;
| | - Danny Fran Pompa-Vásquez
- Laboratorio de Microbiología Agrícola “Raúl Ríos Reátegui”, Departamento Académico Agrosilvopastoril, Facultad de Ciencias Agrarias, Universidad Nacional de San Martín, Tarapoto 22202, Peru; (R.E.T.-C.); (J.C.R.-G.); (D.F.P.-V.); (C.A.Z.-A.)
| | - Carlos Alberto Zumaeta-Arévalo
- Laboratorio de Microbiología Agrícola “Raúl Ríos Reátegui”, Departamento Académico Agrosilvopastoril, Facultad de Ciencias Agrarias, Universidad Nacional de San Martín, Tarapoto 22202, Peru; (R.E.T.-C.); (J.C.R.-G.); (D.F.P.-V.); (C.A.Z.-A.)
| |
Collapse
|
5
|
Khan A, Singh AV, Kukreti B, Pandey DT, Upadhayay VK, Kumar R, Goel R. Deciphering the impact of cold-adapted bioinoculants on rhizosphere dynamics, biofortification, and yield of kidney bean across varied altitudinal zones. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172204. [PMID: 38580128 DOI: 10.1016/j.scitotenv.2024.172204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/30/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Agriculture stands as a thriving enterprise in India, serving as both the bedrock of economy and vital source of nutrition. In response to the escalating demands for high-quality food for swiftly expanding population, agricultural endeavors are extending their reach into the elevated terrains of the Himalayas, tapping into abundant resources for bolstering food production. Nonetheless, these Himalayan agro-ecosystems encounter persistent challenges, leading to crop losses. These challenges stem from a combination of factors including prevailing frigid temperatures, suboptimal farming practices, unpredictable climatic shifts, subdivided land ownership, and limited resources. While the utilization of chemical fertilizers has been embraced to enhance the quality of food output, genuine concerns have arisen due to the potential hazards they pose. Consequently, the present investigation was initiated with the objective of formulating environmentally friendly and cold-tolerant broad ranged bioinoculants tailored to enhance the production of Kidney bean while concurrently enriching its nutrient content across entire hilly regions. The outcomes of this study unveiled noteworthy advancements in kidney bean yield, registering a substantial increase ranging from 12.51 ± 2.39 % to 14.15 ± 0.83 % in regions of lower elevation (Jeolikote) and an even more remarkable surge ranging from 20.60 ± 3.03 % to 29.97 ± 5.02 % in higher elevated areas (Chakrata) compared to the control group. Furthermore, these cold-tolerant bioinoculants exhibited a dual advantage by fostering the enhancement of essential nutrients within the grains and fostering a positive influence on the diversity and abundance of microbial life in the rhizosphere. As a result, to effectively tackle the issues associated with chemical fertilizers and to achieve sustainable improvements in both the yield and nutrient composition of kidney bean across varying elevations, the adoption of cold-tolerant Enterobacter hormaechei CHM16, and Pantoea agglomerans HRM 23, including the consortium, presents a promising avenue. Additionally, this study has contributed significant insights-into the role of organic acids like oxalic acid in the solubilization of nutrients, thereby expanding the existing knowledge in this specialized field.
Collapse
Affiliation(s)
- Amir Khan
- Biofortification Lab, Department of Microbiology, College of Basic Sciences and Humanities, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar-263145, U.S. Nagar, Uttarakhand, India
| | - Ajay Veer Singh
- Biofortification Lab, Department of Microbiology, College of Basic Sciences and Humanities, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar-263145, U.S. Nagar, Uttarakhand, India.
| | - Bharti Kukreti
- Biofortification Lab, Department of Microbiology, College of Basic Sciences and Humanities, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar-263145, U.S. Nagar, Uttarakhand, India
| | | | - Viabhav Kumar Upadhayay
- Department of Microbiology, College of Basic Sciences and Humanities, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur 848125, India
| | - Rajeew Kumar
- Department of Agronomy, College of Agriculture, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar-263145, U.S. Nagar, Uttarakhand, India
| | - Reeta Goel
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura, Uttar Pradesh, India
| |
Collapse
|
6
|
Miljaković D, Marinković J, Tamindžić G, Milošević D, Ignjatov M, Karačić V, Jakšić S. Bio-Priming with Bacillus Isolates Suppresses Seed Infection and Improves the Germination of Garden Peas in the Presence of Fusarium Strains. J Fungi (Basel) 2024; 10:358. [PMID: 38786713 PMCID: PMC11122518 DOI: 10.3390/jof10050358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 05/02/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
Seed infection caused by Fusarium spp. is one of the major threats to the seed quality and yield of agricultural crops, including garden peas. The use of Bacillus spp. with multiple antagonistic and plant growth-promoting (PGP) abilities represents a potential disease control strategy. This study was performed to evaluate the biocontrol potential of new Bacillus spp. rhizosphere isolates against two Fusarium strains affecting garden peas. Six Bacillus isolates identified by 16S rDNA sequencing as B. velezensis (B42), B. subtilis (B43), B. mojavensis (B44, B46), B. amyloliquefaciens (B50), and B. halotolerans (B66) showed the highest in vitro inhibition of F. proliferatum PS1 and F. equiseti PS18 growth (over 40%). The selected Bacillus isolates possessed biosynthetic genes for endoglucanase (B42, B43, B50), surfactin (B43, B44, B46), fengycin (B44, B46), bacillomycin D (B42, B50), and iturin (B42), and were able to produce indole-3-acetic acid (IAA), siderophores, and cellulase. Two isolates, B. subtilis B43 and B. amyloliquefaciens B50, had the highest effect on final germination, shoot length, root length, shoot dry weight, root dry weight, and seedling vigor index of garden peas as compared to the control. Their individual or combined application reduced seed infection and increased seed germination in the presence of F. proliferatum PS1 and F. equiseti PS18, both after seed inoculation and seed bio-priming. The most promising results were obtained in the cases of the bacterial consortium, seed bio-priming, and the more pathogenic strain PS18. The novel Bacillus isolates may be potential biocontrol agents intended for the management of Fusarium seed-borne diseases.
Collapse
Affiliation(s)
- Dragana Miljaković
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (G.T.); (D.M.); (M.I.); (S.J.)
| | - Jelena Marinković
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (G.T.); (D.M.); (M.I.); (S.J.)
| | - Gordana Tamindžić
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (G.T.); (D.M.); (M.I.); (S.J.)
| | - Dragana Milošević
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (G.T.); (D.M.); (M.I.); (S.J.)
| | - Maja Ignjatov
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (G.T.); (D.M.); (M.I.); (S.J.)
| | - Vasiljka Karačić
- Faculty of Agriculture, University of Belgrade, 11080 Belgrade, Serbia;
| | - Snežana Jakšić
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (G.T.); (D.M.); (M.I.); (S.J.)
| |
Collapse
|
7
|
Akram W, Waqar S, Hanif S, Anjum T, Aftab ZEH, Li G, Ali B, Rizwana H, Hassan A, Rehman A, Munir B, Umer M. Comparative Effect of Seed Coating and Biopriming of Bacillus aryabhattai Z-48 on Seedling Growth, Growth Promotion, and Suppression of Fusarium Wilt Disease of Tomato Plants. Microorganisms 2024; 12:792. [PMID: 38674736 PMCID: PMC11052163 DOI: 10.3390/microorganisms12040792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Beneficial plant microbes can enhance the growth and quality of field crops. However, the benefits of microbes using cheap and efficient inoculation methods are still uncommon. Seed coating with biocontrol agents can reduce the amount of inocula along with having the potential for large-scale application. Hence, in this research work, the comparative potential of tomato seed coating and biopriming with Bacillus aryabhattai Z-48, harboring multiple plant-beneficial traits, to suppress Fusarium wilt disease along with its beneficial effect on seedling and plant growth promotion was analyzed. Among two bacterial strains, B. aryabhattai Z-48 was able to antagonize the mycelial growth of Fusarium oxysporum f.sp. lycopersici in vitro and its application as a seed coating superiorly benefited seedling traits like the germination percentage, vigor index, and seedling growth index along with a reduced germination time. The seed coating with B. aryabhattai Z-48 resulted in significant increases in the shoot length, root length, dry biomass, and total chlorophyll contents when compared with the bioprimed seeds with the same bacterial strain and non-inoculated control plants. The seed coating with B. aryabhattai Z-48 significantly reduced the disease index (>60%) compared with the pathogen control during pot trials. Additionally, the seed coating with B. aryabhattai Z-48 resulted in a significantly higher production of total phenolics, peroxidase, polyphenol oxidase, and phenylalanine ammonia lyase enzyme in tomato plants. The GC/MS-based non-targeted metabolic profiling indicated that the seed coating with B. aryabhattai Z-48 could cause large-scale metabolite perturbations in sugars, sugar alcohols, amino acids, and organic acids to increase the fitness of tomato plants against biotic stress. Our study indicates that a tomato seed coating with B. aryabhattai Z-48 can improve tomato growth and suppress Fusarium wilt disease effectively under conventional agricultural systems.
Collapse
Affiliation(s)
- Waheed Akram
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan; (S.W.); (S.H.); (T.A.); (Z.-e.-H.A.); (A.H.); (M.U.)
| | - Sara Waqar
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan; (S.W.); (S.H.); (T.A.); (Z.-e.-H.A.); (A.H.); (M.U.)
| | - Sana Hanif
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan; (S.W.); (S.H.); (T.A.); (Z.-e.-H.A.); (A.H.); (M.U.)
| | - Tehmina Anjum
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan; (S.W.); (S.H.); (T.A.); (Z.-e.-H.A.); (A.H.); (M.U.)
| | - Zill-e-Huma Aftab
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan; (S.W.); (S.H.); (T.A.); (Z.-e.-H.A.); (A.H.); (M.U.)
| | - Guihua Li
- Guangdong Key Laboratory for New Technology Research of Vegetables/Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
| | - Basharat Ali
- Institute of Microbiology and Molecular Genetics, University of the Punjab, Lahore 54590, Pakistan;
| | - Humaira Rizwana
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11495, Saudi Arabia;
| | - Ali Hassan
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan; (S.W.); (S.H.); (T.A.); (Z.-e.-H.A.); (A.H.); (M.U.)
| | - Areeba Rehman
- College of Earth and Environmental Sciences, University of the Punjab, Lahore 54590, Pakistan; (A.R.); (B.M.)
| | - Bareera Munir
- College of Earth and Environmental Sciences, University of the Punjab, Lahore 54590, Pakistan; (A.R.); (B.M.)
| | - Muhammad Umer
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan; (S.W.); (S.H.); (T.A.); (Z.-e.-H.A.); (A.H.); (M.U.)
| |
Collapse
|
8
|
Marik D, Sharma P, Chauhan NS, Jangir N, Shekhawat RS, Verma D, Mukherjee M, Abiala M, Roy C, Yadav P, Sadhukhan A. Peribacillus frigoritolerans T7-IITJ, a potential biofertilizer, induces plant growth-promoting genes of Arabidopsis thaliana. J Appl Microbiol 2024; 135:lxae066. [PMID: 38486365 DOI: 10.1093/jambio/lxae066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/28/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024]
Abstract
AIMS This study aimed to isolate plant growth and drought tolerance-promoting bacteria from the nutrient-poor rhizosphere soil of Thar desert plants and unravel their molecular mechanisms of plant growth promotion. METHODS AND RESULTS Among our rhizobacterial isolates, Enterobacter cloacae C1P-IITJ, Kalamiella piersonii J4-IITJ, and Peribacillus frigoritolerans T7-IITJ, significantly enhanced root and shoot growth (4-5-fold) in Arabidopsis thaliana under PEG-induced drought stress. Whole genome sequencing and biochemical analyses of the non-pathogenic bacterium T7-IITJ revealed its plant growth-promoting traits, viz., solubilization of phosphate (40-73 µg/ml), iron (24 ± 0.58 mm halo on chrome azurol S media), and nitrate (1.58 ± 0.01 µg/ml nitrite), along with production of exopolysaccharides (125 ± 20 µg/ml) and auxin-like compounds (42.6 ± 0.05 µg/ml). Transcriptome analysis of A. thaliana inoculated with T7-IITJ and exposure to drought revealed the induction of 445 plant genes (log2fold-change > 1, FDR < 0.05) for photosynthesis, auxin and jasmonate signalling, nutrient uptake, redox homeostasis, and secondary metabolite biosynthesis pathways related to beneficial bacteria-plant interaction, but repression of 503 genes (log2fold-change < -1) including many stress-responsive genes. T7-IITJ enhanced proline 2.5-fold, chlorophyll 2.5-2.8-fold, iron 2-fold, phosphate 1.6-fold, and nitrogen 4-fold, and reduced reactive oxygen species 2-4.7-fold in plant tissues under drought. T7-IITJ also improved the germination and seedling growth of Tephrosia purpurea, Triticum aestivum, and Setaria italica under drought and inhibited the growth of two plant pathogenic fungi, Fusarium oxysporum, and Rhizoctonia solani. CONCLUSIONS P. frigoritolerans T7-IITJ is a potent biofertilizer that regulates plant genes to promote growth and drought tolerance.
Collapse
Affiliation(s)
- Debankona Marik
- Department of Bioscience and Bioengineering, IIT Jodhpur, Jodhpur 342030, India
| | - Pinki Sharma
- Department of Biochemistry, Maharshi Dayanand University, Rohtak 124001, India
| | - Nar Singh Chauhan
- Department of Biochemistry, Maharshi Dayanand University, Rohtak 124001, India
| | - Neelam Jangir
- Department of Bioscience and Bioengineering, IIT Jodhpur, Jodhpur 342030, India
| | | | - Devanshu Verma
- Department of Bioscience and Bioengineering, IIT Jodhpur, Jodhpur 342030, India
| | - Manasi Mukherjee
- Jodhpur City Knowledge and Innovation Foundation, IIT Jodhpur, Jodhpur 342030, India
| | - Moses Abiala
- Department of Biological Sciences, College of Basic and Applied Sciences, Mountain Top University, Prayer City 110106, Nigeria
| | - Chandan Roy
- Department of Genetics and Plant Breeding, Agriculture University Jodhpur, Jodhpur 342304, India
| | - Pankaj Yadav
- Department of Bioscience and Bioengineering, IIT Jodhpur, Jodhpur 342030, India
| | - Ayan Sadhukhan
- Department of Bioscience and Bioengineering, IIT Jodhpur, Jodhpur 342030, India
| |
Collapse
|
9
|
Traversari S, Cardarelli M, Brambilla M, Cutini M, Burchi G, Fedrizzi M, Massa D, Orlandini A, Cacini S. Trichoderma atroviride Enhances Impatiens walleriana Hook. f Growth and Flowering in Different Growing Media. PLANTS (BASEL, SWITZERLAND) 2024; 13:583. [PMID: 38475430 DOI: 10.3390/plants13050583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/13/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024]
Abstract
Trichoderma spp. are widely reported to regulate plant growth by improving nutrient uptake, photosynthesis, and abiotic stress tolerance. However, their possible application for bedding plants is little explored, especially when comparing different growing media. Considering that coconut coir dust is finding broader application in the ornamental plants sector as a peat substitute, this work was aimed to test the combination of Trichoderma atroviride AT10 and coconut coir dust on Impatiens walleriana plants. Four treatments were tested as a mix of: (i) two growing media (70:30), peat:perlite or coconut coir dust:perlite; and (ii) the absence or presence of a T. atroviride treatment. At the end of the production cycle, the biomass and ornamental parameters, leaf pigments, nutrient content of the plant tissues, and Trichoderma abundance were assessed. The results revealed that T. atroviride can readily colonize coir, and the same positive effects of inoculum were found in plants grown on both substrates. The biostimulant effect of T. atroviride was observed as an increase in the aboveground biomass, number and weight of flowers, pigments and nutrient concentration, thereby improving the commercial quality of I. walleriana. Thus, T. atroviride has shown its potential in making bedding plant cultivation more sustainable and improving the yield and aesthetic parameters of plants grown on peat and coconut coir dust substrates.
Collapse
Affiliation(s)
- Silvia Traversari
- Research Institute on Terrestrial Ecosystems (IRET), National Research Council (CNR), Via Giuseppe Moruzzi 1, 56124 Pisa, Italy
- National Biodiversity Future Center (NBFC), 90133 Palermo, Italy
| | - Mariateresa Cardarelli
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo De Lellis snc, 01100 Viterbo, Italy
| | - Massimo Brambilla
- Research Centre for Engineering and Agro-Food Processing, Council for Agricultural Research and Economics (CREA), Via Milano 43, 24027 Treviglio, Bergamo, Italy
| | - Maurizio Cutini
- Research Centre for Engineering and Agro-Food Processing, Council for Agricultural Research and Economics (CREA), Via Milano 43, 24027 Treviglio, Bergamo, Italy
| | - Gianluca Burchi
- Research Centre for Vegetables and Ornamental Crops, Council for Agricultural Research and Economics (CREA), Via dei Fiori 8, 51017 Pescia, Pistoia, Italy
| | - Marco Fedrizzi
- Research Centre for Engineering and Agro-Food Processing, Council for Agricultural Research and Economics (CREA), Via della Pascolare 16, 00015 Monterotondo Scalo, Rome, Italy
| | - Daniele Massa
- Research Centre for Vegetables and Ornamental Crops, Council for Agricultural Research and Economics (CREA), Via dei Fiori 8, 51017 Pescia, Pistoia, Italy
| | - Alessandro Orlandini
- Research Centre for Engineering and Agro-Food Processing, Council for Agricultural Research and Economics (CREA), Via della Pascolare 16, 00015 Monterotondo Scalo, Rome, Italy
- Research Centre for Agriculture and Environment, Council for Agricultural Research and Economics (CREA), Via di Lanciola 12/a, 50125 Firenze, Italy
| | - Sonia Cacini
- Research Centre for Vegetables and Ornamental Crops, Council for Agricultural Research and Economics (CREA), Via dei Fiori 8, 51017 Pescia, Pistoia, Italy
| |
Collapse
|
10
|
Capo L, Sopegno A, Reyneri A, Ujvári G, Agnolucci M, Blandino M. Agronomic strategies to enhance the early vigor and yield of maize part II: the role of seed applied biostimulant, hybrid, and starter fertilization on crop performance. FRONTIERS IN PLANT SCIENCE 2023; 14:1240313. [PMID: 38023856 PMCID: PMC10656683 DOI: 10.3389/fpls.2023.1240313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/09/2023] [Indexed: 12/01/2023]
Abstract
Maize cropping systems need to be re-designed, within a sustainable intensification context, by focusing on the application of high-use efficiency crop practices, such as those that are able to enhance an early plant vigor in the first critical growth stages; such practices could lead to significant agronomic and yield benefits. The aim of this study has been to evaluate the effects of the cultivation of hybrids with superior early vigor, of the distribution of starter fertilizers at sowing, and of the seed application of biostimulants on promoting plant growth and grain yield in full factorial experiments carried out in both a growth chamber and in open fields. The greatest benefits, in terms of plant growth enhancement (plant height, biomass, leaf area) and cold stress mitigation, were detected for the starter fertilization, followed by the use of an early vigor hybrid and a biostimulant seed treatment. The starter fertilization and the early vigor hybrid led to earlier flowering dates, that is, of 2.1 and 2.8 days, respectively, and significantly reduced grain moisture at harvest. Moreover, the early vigor hybrid, the starter NP fertilization, and the biostimulant treatment increased grain yield by 8.5%, 6.0%, and 5.1%, respectively, compared to the standard hybrid and the untreated controls. The combination of all the considered factors resulted in the maximum benefits, compared to the control cropping system, with an increase in the plant growth of 124%, a reduction of the sowing-flowering period of 5 days, and a gain in grain yield of 14%. When choosing the most suitable crop practice, the diversity of each cropping system should be considered, according to the pedo-climatic conditions, the agronomic background, the yield potential, and the supply chain requirements.
Collapse
Affiliation(s)
- Luca Capo
- Department of Agriculture, Forest and Food Sciences, University of Turin, Grugliasco, Italy
| | - Alessandro Sopegno
- Department of Agriculture, Forest and Food Sciences, University of Turin, Grugliasco, Italy
| | - Amedeo Reyneri
- Department of Agriculture, Forest and Food Sciences, University of Turin, Grugliasco, Italy
| | - Gergely Ujvári
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
| | - Monica Agnolucci
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
| | - Massimo Blandino
- Department of Agriculture, Forest and Food Sciences, University of Turin, Grugliasco, Italy
| |
Collapse
|
11
|
Ruraż K, Przemieniecki SW, Błaszak M, Czarnomska SD, Ochmian I, Piwowarczyk R. Stigmas of holoparasitic Phelipanche arenaria (Orobanchaceae) - a suitable ephemeric flower habitat for development unique microbiome. BMC PLANT BIOLOGY 2023; 23:486. [PMID: 37821804 PMCID: PMC10566107 DOI: 10.1186/s12870-023-04488-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 09/26/2023] [Indexed: 10/13/2023]
Abstract
BACKGROUND Microbial communities have occasionally been observed in part of the ephemeric reproductive structure of floral stigmas, but their prevalence, phylogenetic diversity and ecological roles are understudied. This report describes the first study of bacterial and fungal communities in immature and mature stigma tissue of the endangered holoparasitic plant Phelipanche arenaria. Culture-dependent methods coupled with next-generation sequencing indicated that a small surface of the flower stigma was an unexpectedly rich and diverse microhabitat for colonization of microbial. We also compared the enzymatic activity of the bacterial communities between immature and mature stigmas samples. RESULTS Using high-throughput sequencing methods, we identified and classified 39 to over 51 OTUs per sample for bacterial OTUs represented by Pantoea agglomerans and P. ananatis, comprising 50.6%, followed by Pseudomonas, Luteibacter spp., Sphingomonas spp. with 17% of total frequency. The bacterial profile of immature stigmas of P. arenaria contained unique microorganisms (21 of the most numerous OTUs) that were not confirmed in mature stigmas. However, the enzymatic activity of bacteria in mature stigmas of P. arenaria showed more activity than observed in immature stigmas. In the fungal profile, we recorded even 80 OTUs in mature stigmas, consisting of Capnodiales 45.03% of the total abundance with 28.27% of frequency was created by Alternaria eichhorniae (10.55%), Mycosphaerella tassiana (9.69%), and Aureobasidium pullulans (8.03%). Additionally, numerous putative plant growth-promoting bacteria, fungal pathogens and pathogen-antagonistic yeasts were also detected. CONCLUSIONS Our study uncovered that P. arenaria stigmas host diverse bacterial and fungal communities. These microorganisms are well known and have been described as beneficial for biotechnological and environmental applications (e.g., production of different enzymes and antimicrobial compounds). This research provided valuable insight into the parasitic plant-microbe interactions.
Collapse
Affiliation(s)
- Karolina Ruraż
- Center for Research and Conservation of Biodiversity, Department of Environmental Biology, Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406, Kielce, Poland
| | - Sebastian Wojciech Przemieniecki
- Department of Entomology, Phytopathology and Molecular Diagnostics, University of Warmia and Mazury in Olsztyn, Prawocheńskiego 17, 10-720 Olsztyn, Poland
| | - Magdalena Błaszak
- Department of Bioengineering, West Pomeranian University of Technology in Szczecin, Słowackiego 17, 71-434 Szczecin, Poland
| | - Sylwia Dagmara Czarnomska
- Museum and Institute of Zoology, Polish Academy of Sciences, Nadwiślańska 108, 80-680 Gdańsk, Poland
| | - Ireneusz Ochmian
- Department of Horticulture, West Pomeranian University of Technology in Szczecin, Słowackiego 17, 71-434 Szczecin, Poland
| | - Renata Piwowarczyk
- Center for Research and Conservation of Biodiversity, Department of Environmental Biology, Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406, Kielce, Poland
| |
Collapse
|
12
|
Meng D, Yuan MM, Li J. Editorial: Microbe assisted plant resistance to abiotic stresses. FRONTIERS IN PLANT SCIENCE 2023; 14:1277682. [PMID: 37727856 PMCID: PMC10505755 DOI: 10.3389/fpls.2023.1277682] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 08/28/2023] [Indexed: 09/21/2023]
Affiliation(s)
- Delong Meng
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China
- Key Laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Mengting Maggie Yuan
- Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, CA, United States
| | - Juan Li
- College of Agronomy, Hunan Agricultural University, Changsha, China
| |
Collapse
|
13
|
Burns AR, Baker RJ, Kitner M, Knox J, Cooke B, Volpatti JR, Vaidya AS, Puumala E, Palmeira BM, Redman EM, Snider J, Marwah S, Chung SW, MacDonald MH, Tiefenbach J, Hu C, Xiao Q, Finney CAM, Krause HM, MacParland SA, Stagljar I, Gilleard JS, Cowen LE, Meyer SLF, Cutler SR, Dowling JJ, Lautens M, Zasada I, Roy PJ. Selective control of parasitic nematodes using bioactivated nematicides. Nature 2023:10.1038/s41586-023-06105-5. [PMID: 37225985 DOI: 10.1038/s41586-023-06105-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 04/20/2023] [Indexed: 05/26/2023]
Abstract
Parasitic nematodes are a major threat to global food security, particularly as the world amasses 10 billion people amid limited arable land1-4. Most traditional nematicides have been banned owing to poor nematode selectivity, leaving farmers with inadequate means of pest control4-12. Here we use the model nematode Caenorhabditis elegans to identify a family of selective imidazothiazole nematicides, called selectivins, that undergo cytochrome-p450-mediated bioactivation in nematodes. At low parts-per-million concentrations, selectivins perform comparably well with commercial nematicides to control root infection by Meloidogyne incognita, a highly destructive plant-parasitic nematode. Tests against numerous phylogenetically diverse non-target systems demonstrate that selectivins are more nematode-selective than most marketed nematicides. Selectivins are first-in-class bioactivated nematode controls that provide efficacy and nematode selectivity.
Collapse
Affiliation(s)
- Andrew R Burns
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada.
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada.
| | - Rachel J Baker
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Megan Kitner
- USDA-ARS Horticultural Crops Research Laboratory, Corvallis, OR, USA
| | - Jessica Knox
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Brittany Cooke
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Jonathan R Volpatti
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
- Division of Neurology and Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Aditya S Vaidya
- Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA, USA
| | - Emily Puumala
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Bruna M Palmeira
- Department of Comparative Biology and Experimental Medicine, Host-Parasite Interactions Program, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Elizabeth M Redman
- Department of Comparative Biology and Experimental Medicine, Host-Parasite Interactions Program, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Jamie Snider
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Sagar Marwah
- Ajmera Transplant Centre, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology and Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Sai W Chung
- Ajmera Transplant Centre, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology and Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Margaret H MacDonald
- USDA-ARS Mycology and Nematology Genetic Diversity and Biology Laboratory, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Jens Tiefenbach
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
| | - Chun Hu
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Qi Xiao
- Department of Biological Sciences, Host Parasite Interactions Program, Faculty of Science, University of Calgary, Calgary, Alberta, Canada
| | - Constance A M Finney
- Department of Biological Sciences, Host Parasite Interactions Program, Faculty of Science, University of Calgary, Calgary, Alberta, Canada
| | - Henry M Krause
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Sonya A MacParland
- Ajmera Transplant Centre, Toronto General Research Institute, University Health Network, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology and Immunology, University of Toronto, Toronto, Ontario, Canada
| | - Igor Stagljar
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
- Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada
- Mediterranean Institute for Life Sciences, Split, Croatia
| | - John S Gilleard
- Department of Comparative Biology and Experimental Medicine, Host-Parasite Interactions Program, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Leah E Cowen
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Susan L F Meyer
- USDA-ARS Mycology and Nematology Genetic Diversity and Biology Laboratory, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Sean R Cutler
- Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA
- Department of Botany and Plant Sciences, University of California, Riverside, Riverside, CA, USA
| | - James J Dowling
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
- Division of Neurology and Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Inga Zasada
- USDA-ARS Horticultural Crops Research Laboratory, Corvallis, OR, USA
| | - Peter J Roy
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, Ontario, Canada.
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada.
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada.
| |
Collapse
|
14
|
Solanki AC, Gurjar NS, Sharma S. Co-Inoculation of Non-Symbiotic Bacteria Bacillus and Paraburkholderia Can Improve the Soybean Yield, Nutrient Uptake, and Soil Parameters. Mol Biotechnol 2023:10.1007/s12033-023-00719-w. [PMID: 36947359 DOI: 10.1007/s12033-023-00719-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/09/2023] [Indexed: 03/23/2023]
Abstract
Due to its nutritional value and oil, soybean (Glycine max L.) became an economic crop in India and worldwide. The current study investigated the effect of forest-associated plant growth-promoting rhizobacteria (PGPR) on soybean yield and grain nutrient content. Five potential bacteria were used in this study based on their PGPR traits. The pot assay result with two crops (soybean and chickpea) confirmed the growth promotion activity of the two strains (Bacillus subtilis MpS15 and Paraburkholderia sabiae NvS21). The result showed significant (p < 0.05) enhancement in plant length and biomass with the seed treatment with strains (MpS15 and NvS21) compared to the control. Later both biocompatible potential strains were used in field experiments as individuals and consortia. Seed treatment of consortia significantly improves the nodulation and photosynthetic content more than individual treatments and control. Compared to the control, the co-inoculation of MpS15 and NvS21 increased soybean grain, straw yield, and grain NPK contents. Interestingly, soil parameters (organic carbon, available NPK) showed a strong correlation (p < 0.05) with plant parameters and nutrient uptake. Overall, our study provides strong relationships between soil parameters, microbial inoculum as consortia, and soybean performance, and these strains may be utilized as bioinoculant in future.
Collapse
Affiliation(s)
- Anjali Chandrol Solanki
- Department of Agriculture, Mansarover Global University, Bhopal, Madhya Pradesh, 462042, India.
| | - Narendra Singh Gurjar
- Department of Soil Science and Agriculture Chemistry, Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, Madhya Pradesh, India
| | - Satish Sharma
- Department of Plant Pathology, B.M. College of Agriculture Khandwa, Khandwa, Madhya Pradesh, India
| |
Collapse
|
15
|
Effects of Pseudomonas sp. OBA 2.4.1 on Growth and Tolerance to Cadmium Stress in Pisum sativum L. BIOTECH (BASEL (SWITZERLAND)) 2023; 12:biotech12010005. [PMID: 36648831 PMCID: PMC9844402 DOI: 10.3390/biotech12010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/04/2023]
Abstract
Cadmium stress is a barrier to crop production, yield, quality, and sustainable agriculture. In the current study, we investigated the characteristics of bacterial strain Pseudomonas sp. OBA 2.4.1 under cadmium (CdCl2) stress and its influence on Cd stresses in pea (Pisum sativum L.) seedlings. It was revealed that strain OBA 2.4.1 is tolerant of up to 2 mM CdCl2, and seed treatment with the bacterium enhanced pea plant growth (length of seedlings) under 0.5 mM cadmium stress. This bacterial strain showed plant growth-promoting properties, including biofilm formation and siderophore activity. An important advantage of the studied strain OBA 2.4.1 is its ability to colonize the plant roots. Moreover, the inoculation with strain OBA 2.4.1 significantly reduced oxidative stress markers in pea seedlings under cadmium stress. These findings suggest that cadmium stress-tolerant strain OBA 2.4.1 could enhance pea plant growth by mitigating stress-caused damage, possibly providing a baseline and eco-friendly approach to address heavy metal stress for sustainable agriculture.
Collapse
|
16
|
Vlajkov V, Pajčin I, Loc M, Budakov D, Dodić J, Grahovac M, Grahovac J. The Effect of Cultivation Conditions on Antifungal and Maize Seed Germination Activity of Bacillus-Based Biocontrol Agent. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 9:bioengineering9120797. [PMID: 36551004 PMCID: PMC9774550 DOI: 10.3390/bioengineering9120797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/28/2022] [Accepted: 12/06/2022] [Indexed: 12/15/2022]
Abstract
Aflatoxin contamination is a global risk and a concerning problem threatening food safety. The biotechnological answer lies in the production of biocontrol agents that are effective against aflatoxins producers. In addition to their biocontrol effect, microbial-based products are recognized as efficient biosolutions for plant nutrition and growth promotion. The present study addresses the characterization of the representative of Phaseolus vulgaris rhizosphere microbiome, Bacillus sp. BioSol021, regarding plant growth promotion traits, including the activity of protease, cellulase, xylanase, and pectinase with the enzymatic activity index values 1.06, 2.04, 2.41, and 3.51, respectively. The potential for the wider commercialization of this kind of product is determined by the possibility of developing a scalable bioprocess solution suitable for technology transfer to an industrial scale. Therefore, the study addresses one of the most challenging steps in bioprocess development, including the production scale-up from the Erlenmeyer flask to the laboratory bioreactor. The results indicated the influence of the key bioprocess parameters on the dual mechanism of action of biocontrol effects against the aflatoxigenic Aspergillus flavus, as well on maize seed germination activity, pointing out the positive impact of high aeration intensity and agitation rate, resulting in inhibition zone diameters of 60 mm, a root length 96 mm, and a shoot length 27 mm.
Collapse
Affiliation(s)
- Vanja Vlajkov
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
- Correspondence: (V.V.); (J.G.)
| | - Ivana Pajčin
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Marta Loc
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia
| | - Dragana Budakov
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia
| | - Jelena Dodić
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Mila Grahovac
- Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia
| | - Jovana Grahovac
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
- Correspondence: (V.V.); (J.G.)
| |
Collapse
|
17
|
Maslennikova D, Nasyrova K, Chubukova O, Akimova E, Baymiev A, Blagova D, Ibragimov A, Lastochkina O. Effects of Rhizobium leguminosarum Thy2 on the Growth and Tolerance to Cadmium Stress of Wheat Plants. Life (Basel) 2022; 12:1675. [PMID: 36295110 PMCID: PMC9605373 DOI: 10.3390/life12101675] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 10/18/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023] Open
Abstract
Cadmium (Cd) stress is an obstacle for crop production, quality crops, and sustainable agriculture. An important role is played by the application of eco-friendly approaches to improve plant growth and stress tolerance. In the current study, a pre-sowing seed treatment with Rhizobium leguminosarum strains, isolated from the leguminous plants Phaseolus vulgaris (strain Pvu5), Vicia sylvatica (strain VSy12), Trifolium hybridium (strain Thy2), and T. pratense (strain TPr4), demonstrated different effects on wheat (Triticum aestivum L.) plant growth under normal conditions. Among all tested strains, Thy2 significantly increased seed germination, seedling length, fresh and dry biomass, and leaf chlorophyll (Chl) content. Further analysis showed that Thy2 was capable of producing indole-3-acetic acid and siderophores and fixing nitrogen. Under Cd stress, Thy2 reduced the negative effect of Cd on wheat growth and photosynthesis and had a protective effect on the antioxidant system. This was expressed in the additional accumulation of glutathione and proline and the activation of glutathione reductase. In addition, Thy2 led to a significant reduction in oxidative stress, which was evidenced by the data on the stabilization of the ascorbate content and the activity of ascorbate peroxidase. In addition, Thy2 markedly reduced Cd-induced membrane lipid peroxidation and electrolyte leakage in the plants. Thus, the findings demonstrated the ability of the R. leguminosarum strain Thy2, isolated from T. hybridium nodules, to exert a growth-promoting and anti-stress effect on wheat plants. These results suggest that the Thy2 strain may enhance wheat plant growth by mitigating Cd stress, particularly through improving photosynthesis and antioxidant capacity and reducing the severity of oxidative damage. This may provide a basic and biological approach to use the Thy2 strain as a promising, eco-friendly candidate to combat Cd stress in wheat production.
Collapse
Affiliation(s)
- Dilara Maslennikova
- Ufa Federal Research Center, Institute of Biochemistry and Genetics, Russian Academy of Sciences, 450054 Ufa, Russia
- Department of Molecular Technologis, Ufa State Petroleum Technical University, 450000 Ufa, Russia
| | - Karina Nasyrova
- Department of Molecular Technologis, Ufa State Petroleum Technical University, 450000 Ufa, Russia
| | - Olga Chubukova
- Ufa Federal Research Center, Institute of Biochemistry and Genetics, Russian Academy of Sciences, 450054 Ufa, Russia
- Department of Molecular Technologis, Ufa State Petroleum Technical University, 450000 Ufa, Russia
| | - Ekaterina Akimova
- Ufa Federal Research Center, Institute of Biochemistry and Genetics, Russian Academy of Sciences, 450054 Ufa, Russia
| | - Andrey Baymiev
- Ufa Federal Research Center, Institute of Biochemistry and Genetics, Russian Academy of Sciences, 450054 Ufa, Russia
| | - Darya Blagova
- Ufa Federal Research Center, Institute of Biochemistry and Genetics, Russian Academy of Sciences, 450054 Ufa, Russia
| | - Almaz Ibragimov
- Ufa Federal Research Center, Institute of Biochemistry and Genetics, Russian Academy of Sciences, 450054 Ufa, Russia
| | - Oksana Lastochkina
- Ufa Federal Research Center, Institute of Biochemistry and Genetics, Russian Academy of Sciences, 450054 Ufa, Russia
| |
Collapse
|
18
|
Miljaković D, Marinković J, Tamindžić G, Đorđević V, Tintor B, Milošević D, Ignjatov M, Nikolić Z. Bio-Priming of Soybean with Bradyrhizobium japonicum and Bacillus megaterium: Strategy to Improve Seed Germination and the Initial Seedling Growth. PLANTS (BASEL, SWITZERLAND) 2022; 11:1927. [PMID: 35893631 PMCID: PMC9332681 DOI: 10.3390/plants11151927] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
Bio-priming is a new technique of seed treatment that improves seed germination, vigor, crop growth and yield. The objective of this study was to evaluate the effectiveness of Bradyrhizobium japonicum (commercial strains) and Bacillus megaterium (newly isolated strains) as a single inoculant and co-inoculant during seed bio-priming to improve seed germination and initial seedling growth of two soybean cultivars. The treated seeds were subjected to germination test (GT), cold test (CT) and accelerated aging test (AAT). B. megaterium significantly improved all parameters in GT and CT; final germination, shoot length, root length, root dry weight, and seedling vigor index in AAT, as compared to control. In addition, co-inoculation significantly increased all parameters except shoot dry weight in GT; all parameters in CT; germination energy, shoot length, root length, and seedling vigor index in AAT, in comparison to the control. Moreover, Br. japonicum significantly improved the germination energy, shoot length, shoot dry weight, root dry weight, and seedling vigor index in GT; all parameters in CT; shoot length, root length, and seedling vigor index in AAT, compared with non-primed seeds. Thus, B. megaterium strains could be used in soybean bio-priming as a potential single inoculant and co-inoculant, following proper field evaluation.
Collapse
Affiliation(s)
- Dragana Miljaković
- Department of Microbiological Preparations, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (B.T.)
| | - Jelena Marinković
- Department of Microbiological Preparations, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (B.T.)
| | - Gordana Tamindžić
- Laboratory for Seed Testing, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (G.T.); (D.M.); (Z.N.)
| | - Vuk Đorđević
- Department of Legumes, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia;
| | - Branislava Tintor
- Department of Microbiological Preparations, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (J.M.); (B.T.)
| | - Dragana Milošević
- Laboratory for Seed Testing, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (G.T.); (D.M.); (Z.N.)
| | - Maja Ignjatov
- Department of Vegetable and Alternative Crops, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia;
| | - Zorica Nikolić
- Laboratory for Seed Testing, Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (G.T.); (D.M.); (Z.N.)
| |
Collapse
|
19
|
Karalija E, Selović A, Bešta-Gajević R, Šamec D. Thinking for the future: Phytoextraction of cadmium using primed plants for sustainable soil clean-up. PHYSIOLOGIA PLANTARUM 2022; 174:e13739. [PMID: 35765975 DOI: 10.1111/ppl.13739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/14/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Cadmium (Cd) soil contamination is a global problem for food security due to its ubiquity, toxicity at low levels, persistence, and bioaccumulation in living organisms. Humans' intake of heavy metals is usually due to direct contact with contaminated soil, through the food chain (Cd accumulation in crops and edible plants) or through drinking water in cases of coupled groundwater-surface water systems. Phytoextraction is one of the eco-friendly, sustainable solutions that can be used as a method for soil clean-up with the possibility of re-use of extracted metals through phytomining. Phytoextraction is often limited by the tolerance level of hyperaccumulating plants and the restriction of their growth. Mechanisms of hyperaccumulation of heavy metals in tolerant species have been studied, but there are almost no data on mechanisms of further improvement of the accumulation capacity of such plants. Priming can influence plant stress tolerance by the initiation of mild stress cues resulting in acclimation of the plant. The potential of plant priming in abiotic stress tolerance has been extensively investigated using different types of molecules that are supplemented exogenously to plant organs (roots, leaves, etc.), resulting in enhanced tolerance of abiotic stress. This review focuses on mechanisms of enhancement of plant stress tolerance in hyperaccumulating plants for their exploitation in phytoextraction processes.
Collapse
Affiliation(s)
- Erna Karalija
- Laboratory for Plant Physiology, Department of Biology, Faculty of Science, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Alisa Selović
- Laboratory for Analytical Chemistry, Department of Chemistry, Faculty of Science, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Renata Bešta-Gajević
- Laboratory for Microbiology, Department for Biology, Faculty of Science, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Dunja Šamec
- Department of Food Technology, University North, Koprivnica, Croatia
| |
Collapse
|
20
|
Biocontrol Methods in Avoidance and Downsizing of Mycotoxin Contamination of Food Crops. Processes (Basel) 2022. [DOI: 10.3390/pr10040655] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
By increasing the resistance of seeds against abiotic and biotic stress, the possibility of cereal mold contamination and hence the occurrence of secondary mold metabolites mycotoxins decreases. The use of biological methods of seed treatment represents a complementary strategy, which can be implemented as an environmental-friendlier approach to increase the agricultural sustainability. Whereas the use of resistant cultivars helps to reduce mold growth and mycotoxin contamination at the very beginning of the production chain, biological detoxification of cereals provides additional weapons against fungal pathogens in the later stage. Most efficient techniques can be selected and combined on an industrial scale to reduce losses and boost crop yields and agriculture sustainability, increasing at the same time food and feed safety. This paper strives to emphasize the possibility of implementation of biocontrol methods in the production of resistant seeds and the prevention and reduction in cereal mycotoxin contamination.
Collapse
|