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Nazarov A, Chetverikov S, Timergalin M, Ivanov R, Ryazanova N, Shigapov Z, Tuktarova I, Urazgildin R, Kudoyarova G. Improving Tree Seedling Quality Using Humates Combined with Bacteria to Address Decarbonization Challenges through Forest Restoration. PLANTS (BASEL, SWITZERLAND) 2024; 13:1452. [PMID: 38891262 PMCID: PMC11174758 DOI: 10.3390/plants13111452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 05/21/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024]
Abstract
Improving the quality of tree planting material for carbon sequestration through reforestation can help solve environmental problems, including the need to reduce the concentration of carbon dioxide in the atmosphere. The purpose of this study was to investigate the possibility of using humic substances in combination with rhizosphere microorganisms Pseudomonas protegens DA1.2 and Pseudomonas sp. 4CH as a means to stimulate the growth of seedlings of pine, poplar, large-leaved linden, red oak, horse chestnut, and rowan. Humic substances stimulated the growth of shoots and roots of pine, large-leaved linden, and horse chestnut seedlings. The effects of bacteria depended on both plant and bacteria species: Pseudomonas protegens DA1.2 showed a higher stimulatory effect than Pseudomonas sp. 4CH on pine and linden, and Pseudomonas sp. 4CH was more effective in the case of chestnut. An additive effect of humates and Pseudomonas protegens DA1.2 on the growth rate of pine and linden saplings was discovered. Poplar, red oak, and rowan seedlings were unresponsive to the treatments. The growth-stimulating effects of the treatments are discussed in connection with the changes in carbon, chlorophyll, and nitrogen contents in plants. The results show the need for further research in bacterial species capable of stimulating the growth of plant species that were unresponsive in the present experiments.
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Affiliation(s)
- Aleksey Nazarov
- Department of Environment and Rational Use of Natural Resources, Faculty of Business Ecosystem and Creative Technologies, Ufa State Petroleum Technological University, ul. Kosmonavtov 1, 450064 Ufa, Russia; (R.I.); (N.R.); (I.T.); (R.U.); (G.K.)
| | - Sergey Chetverikov
- Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences, Prospekt Oktyabrya 69, 450054 Ufa, Russia; (S.C.); (M.T.)
| | - Maxim Timergalin
- Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences, Prospekt Oktyabrya 69, 450054 Ufa, Russia; (S.C.); (M.T.)
| | - Ruslan Ivanov
- Department of Environment and Rational Use of Natural Resources, Faculty of Business Ecosystem and Creative Technologies, Ufa State Petroleum Technological University, ul. Kosmonavtov 1, 450064 Ufa, Russia; (R.I.); (N.R.); (I.T.); (R.U.); (G.K.)
- Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences, Prospekt Oktyabrya 69, 450054 Ufa, Russia; (S.C.); (M.T.)
| | - Nadezhda Ryazanova
- Department of Environment and Rational Use of Natural Resources, Faculty of Business Ecosystem and Creative Technologies, Ufa State Petroleum Technological University, ul. Kosmonavtov 1, 450064 Ufa, Russia; (R.I.); (N.R.); (I.T.); (R.U.); (G.K.)
- South Ural Botanical Garden-Institute, Ufa Federal Research Center, Russian Academy of Sciences, 450080 Ufa, Russia;
| | - Zinnur Shigapov
- South Ural Botanical Garden-Institute, Ufa Federal Research Center, Russian Academy of Sciences, 450080 Ufa, Russia;
| | - Iren Tuktarova
- Department of Environment and Rational Use of Natural Resources, Faculty of Business Ecosystem and Creative Technologies, Ufa State Petroleum Technological University, ul. Kosmonavtov 1, 450064 Ufa, Russia; (R.I.); (N.R.); (I.T.); (R.U.); (G.K.)
| | - Ruslan Urazgildin
- Department of Environment and Rational Use of Natural Resources, Faculty of Business Ecosystem and Creative Technologies, Ufa State Petroleum Technological University, ul. Kosmonavtov 1, 450064 Ufa, Russia; (R.I.); (N.R.); (I.T.); (R.U.); (G.K.)
- Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences, Prospekt Oktyabrya 69, 450054 Ufa, Russia; (S.C.); (M.T.)
| | - Guzel Kudoyarova
- Department of Environment and Rational Use of Natural Resources, Faculty of Business Ecosystem and Creative Technologies, Ufa State Petroleum Technological University, ul. Kosmonavtov 1, 450064 Ufa, Russia; (R.I.); (N.R.); (I.T.); (R.U.); (G.K.)
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Jiang P, Wang X, Wang R. Improving grape fruit quality through soil conditioner: Insights from RNA-seq analysis of Cabernet Sauvignon roots. Open Life Sci 2024; 19:20220864. [PMID: 38737104 PMCID: PMC11087741 DOI: 10.1515/biol-2022-0864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 02/27/2024] [Accepted: 03/19/2024] [Indexed: 05/14/2024] Open
Abstract
The application of fertilizers and soil quality are crucial for grape fruit quality. However, the molecular data linking different fertilizer (or soil conditioner [SC]) treatments with grape fruit quality is still lacking. In this study, we investigated three soil treatments, namely inorganic fertilizer (NPK, 343.5 kg/hm2 urea [N ≥ 46%]; 166.5 kg/hm2 P2O5 [P2O5 ≥ 64%]; 318 kg/hm2 K2O [K2O ≥ 50%]), organic fertilizer (Org, 9 t/hm2 [organic matter content ≥ 35%, N + P2O5 + K2O ≥ 13%]), and SC (SC, 3 t/hm2 [humic acid ≥ 38.5%; C, 56.1%; H, 3.7%; N, 1.5%; O, 38%; S, 0.6%]), on 4-year-old Cabernet Sauvignon grapevines. Compared with the NPK- and Org-treated groups, the SC significantly improved the levels of soluble solids, tannins, anthocyanins, and total phenols in the grape berries, which are important biochemical indicators that affect wine quality. Furthermore, we conducted RNA-seq analysis on the grapevine roots from each of the three treatments and used weighted gene co-expression network analysis to identify five hub genes that were associated with the biochemical indicators of the grape berries. Furthermore, we validated the expression levels of three hub genes (ERF, JP, and SF3B) and five selected genes related to anthocyanin biosynthesis (UFGT1, UFGT2, UFGT3, GST, and AT) by using quantitative reverse transcription-polymerase chain reaction. Compared to the NPK and Org treatment groups, the SC treatment resulted in a significant increase in the transcription levels of three hub genes as well as VvUFGT1, VvUFGT3, VvGST, and VvAT. These results suggest that the SC can improve grape fruit quality by altering gene transcription patterns in grapevine roots and further influence the biochemical indices of grape fruits, particularly anthocyanin content. This study reveals that the application of SC can serve as an important measure for enhancing vineyard SC and elevating grape quality.
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Affiliation(s)
- Peng Jiang
- College of Agronomy, Ningxia University, Yinchuan750021, P.R. China
| | - Xiaojing Wang
- Ningxia Research Institute of Quality Standards and Testing Technology of Agricultural Products, Yinchuan750001, P.R. China
| | - Rui Wang
- College of Agronomy, Ningxia University, Yinchuan750021, P.R. China
- Ningxia Grape and Wine Research Institute, Yinchuan750021, P.R. China
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Wang R, Wang Y, He D, Shi T, Zhang Y, Liu S, Yan X, Huang L. Responses of plant immune system and rhizosphere soil microbiome to the elicitor BAR11 in Arabidopsis thaliana. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 914:169920. [PMID: 38199343 DOI: 10.1016/j.scitotenv.2024.169920] [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: 11/15/2023] [Revised: 01/01/2024] [Accepted: 01/02/2024] [Indexed: 01/12/2024]
Abstract
Microbial elicitors have been shown to boost plant immunity by inducing defense responses to reduce plant disease. However, little is known about the changes in plant microbiome and metabolism in the process of enhancing plant immunity with elicitors. The protein elicitor BAR11, from Saccharothrix yanglingensis Hhs.015, induces defense responses in Arabidopsis thaliana that enhances resistance to pathogens. In this study, bar11 was inserted into Col-0 A. thaliana to obtain BAR11-Trans plant by Agrobacterium-mediated immersion transformation. BAR11-Trans exhibited an elevated defense level against Pseudomonas syringae pv. tomato DC3000 while experiencing a decline in biomass production of above-ground parts. In the process, BAR11-Trans increased the activity of phenylalanine ammonia lyase (PAL) and catalase (CAT), and up-regulated genes related to plant defense pathways. Furthermore, BAR11-Trans decreased root tip reactive oxygen species (ROS) levels while increasing ROS burst in the leaves. Soil transplantation experiments showed that soil planted with BAR11-Trans could enhance the resistance of Col-0 A. thaliana to DC3000. Analysis of A. thaliana rhizosphere soil through 16S rRNA amplified sequencing revealed that BAR11-Trans increased the relative abundance and diversity of the rhizosphere microbial community, leading to the recruitment of more plant probiotics. Additionally, the accumulation of kaempferitrin and robinin in BAR11-Trans influenced the physicochemical properties of rhizosphere soil and the composition of the bacterial community. In summary, BAR11-Trans exhibited heightened defense levels compared to Col-0, leading to increased secretion of secondary metabolites and the recruitment of a greater number of microorganisms to adapt to the environment. These findings offer novel insights for the potential application of elicitors in agricultural disease control.
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Affiliation(s)
- Ruolin Wang
- College of Life Science, Northwest A&F University, Yangling, China; National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China
| | - Yu Wang
- College of Life Science, Northwest A&F University, Yangling, China; National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China
| | - Dandan He
- College of Life Science, Northwest A&F University, Yangling, China; National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China
| | - Tiecheng Shi
- College of Life Science, Northwest A&F University, Yangling, China; National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China
| | - Yanan Zhang
- College of Life Science, Northwest A&F University, Yangling, China; National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China
| | - Shang Liu
- College of Life Science, Northwest A&F University, Yangling, China; National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China
| | - Xia Yan
- College of Life Science, Northwest A&F University, Yangling, China; National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China.
| | - Lili Huang
- National Key Laboratory of Crop improvement for Stress Tolerance and Production, Northwest A&F University, Yangling, China; College of Plant Protection, Northwest A&F University, Yangling, China.
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Gao P, Wang K, Qi C, Chen K, Xiang W, Zhang Y, Zhang J, Shu C. A New Method for Discovering Plant Biostimulants. PLANTS (BASEL, SWITZERLAND) 2023; 13:56. [PMID: 38202363 PMCID: PMC10780382 DOI: 10.3390/plants13010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/10/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024]
Abstract
Structurally well-defined compounds have advantages for quality control in plant biostimulant production and application processes. Humic acid (HA) is a biostimulant that significantly affects plant growth, and soil-dwelling Protaetia brevitarsis larva (PBLs) can rapidly convert agricultural waste into HA. In this study, we use PBLs as a model to investigate HA formation and screen for structurally well-defined HA-related plant biostimulant compounds. Dephasing magic angle spinning nuclear magnetic resonance (13C DD-MAS NMR) analysis indicated HA structural changes during PBL digestion; metabolic profiling detected seven HA-related aromatic ring-containing compounds. A total of six compounds that significantly stimulate plant growth were identified through plant experiments, and all six compounds demonstrate the ability to enhance seed germination. It is noteworthy that piperic acid exhibits a remarkable promotion of root growth in plants, a finding reported for the first time in this study. Thus, this study not only provides insights into the insect-mediated transformation of HA but also illustrates a new method for discovering structurally well-defined plant biostimulant compounds.
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Affiliation(s)
- Peiwen Gao
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (P.G.); (C.Q.); (K.C.); (Y.Z.); (J.Z.)
| | - Kui Wang
- School of Plant Protection, Anhui Agricultural University, Hefei 230036, China;
| | - Chang Qi
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (P.G.); (C.Q.); (K.C.); (Y.Z.); (J.Z.)
| | - Keming Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (P.G.); (C.Q.); (K.C.); (Y.Z.); (J.Z.)
| | - Wensheng Xiang
- College of Life Science, Northeast Agricultural University, HarBin 150030, China;
| | - Yue Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (P.G.); (C.Q.); (K.C.); (Y.Z.); (J.Z.)
- Hebei Key Laboratory of Soil Entomology, Cangzhou Academy of Agricultural and Forestry Sciences, Cangzhou 061001, China
| | - Jie Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (P.G.); (C.Q.); (K.C.); (Y.Z.); (J.Z.)
| | - Changlong Shu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (P.G.); (C.Q.); (K.C.); (Y.Z.); (J.Z.)
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Ren H, Guo H, Shafiqul Islam M, Zaki HEM, Wang Z, Wang H, Qi X, Guo J, Sun L, Wang Q, Li B, Li G, Radwan KSA. Improvement effect of biochar on soil microbial community structure and metabolites of decline disease bayberry. Front Microbiol 2023; 14:1154886. [PMID: 37333636 PMCID: PMC10275294 DOI: 10.3389/fmicb.2023.1154886] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/17/2023] [Indexed: 06/20/2023] Open
Abstract
Decline disease is a new disease that has recently caused severe damage in bayberry industry. The effect of biochar on decline disease was determined by investigating the changes in the vegetative growth and fruit quality of bayberry trees as well as soil physical and chemical properties, microbial community structure, and metabolites. Results indicated that the application of biochar could improve the vigor and fruit quality of diseased trees, and rhizosphere soil microbial diversity at the levels of phyla, orders, and genera. The relative abundance of Mycobacterium, Crossiella, Geminibasidium, and Fusarium were significantly increased, while Acidothermus, Bryobacter, Acidibacter, Cladophialophora, Mycena, and Rickenella were significantly decreased by biochar in rhizosphere soil of decline diseased bayberry. Analysis of redundancies (RDA) of microbial communities and soil characteristics revealed that the composition of bacterial and fungal communities was significantly affected by the pH, organic matter, alkali hydrolyzable nitrogen, available phosphorus, available potassium, exchangeable calcium and exchangeable magnesium in bayberry rhizosphere soil, and the contribution rates to fungi were larger than those to bacteria at the genus level. Biochar greatly influenced the metabolomics distribution of rhizosphere soils of decline disease bayberry. One hundred and nine different metabolites from both the presence and absence of biochar, mainly include acid, alcohol, ester, amine, amino acid, sterol, sugar, and other secondary metabolites, of which the contents of 52 metabolites were increased significantly such as aconitic acid, threonic acid, pimelic acid, epicatechin, and lyxose. The contents of 57 metabolites decreased significantly, such as conduritol β-expoxide, zymosterol, palatinitol, quinic acid, and isohexoic acid. There was a great difference between the absence and presence of biochar in 10 metabolic pathways, including thiamine metabolism, arginine and proline metabolism, glutathione metabolism, ATP-binding cassette (ABC) transporters, butanoate metabolism, cyanoamino acid metabolism, tyrosine metabolism, phenylalanine metabolism, phosphotransferase system (pts), and lysine degradation. There was a significant correlation between the relative content of microbial species and the content of secondary metabolites in rhizosphere soil at the levels of bacterial and fungal phyla, order, and genus. Overall, this study highlighted the significant influence of biochar in decline disease by regulating soil microbial community, physical and chemical properties, and secondary metabolites in rhizosphere soil, which provided a novel strategy for managing bayberry decline disease.
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Affiliation(s)
- Haiying Ren
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-Products, Institute of Horticulture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- Xianghu Laboratory, Hangzhou, China
| | - Hao Guo
- Department of Plant Pathology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | | | - Haitham E. M. Zaki
- Horticulture Department, Faculty of Agriculture, Minia University, El-Minia, Egypt
- Applied Biotechnology Department, University of Technology and Applied Sciences-Sur, Sur, Oman
| | - Zhenshuo Wang
- Department of Plant Pathology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Hongyan Wang
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-Products, Institute of Horticulture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xingjiang Qi
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-Products, Institute of Horticulture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- Xianghu Laboratory, Hangzhou, China
| | - Junning Guo
- Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Li Sun
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-Products, Institute of Horticulture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Qi Wang
- Department of Plant Pathology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing, China
| | - Bin Li
- Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Gang Li
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-Products, Institute of Horticulture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- Xianghu Laboratory, Hangzhou, China
| | - Khlode S. A. Radwan
- Plant Pathology Department, Faculty of Agriculture, Minia University, El-Minia, Egypt
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