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Xu H, Shi Y, Chen C, Pang Z, Zhang G, Zhang W, Kan H. Arbuscular Mycorrhizal Fungi Selectively Promoted the Growth of Three Ecological Restoration Plants. PLANTS (BASEL, SWITZERLAND) 2024; 13:1678. [PMID: 38931110 PMCID: PMC11207293 DOI: 10.3390/plants13121678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/05/2024] [Accepted: 06/12/2024] [Indexed: 06/28/2024]
Abstract
Arbuscular mycorrhizal inoculation can promote plant growth, but specific research on the difference in the symbiosis effect of arbuscular mycorrhizal fungi and plant combination is not yet in-depth. Therefore, this study selected Medicago sativa L., Bromus inermis Leyss, and Festuca arundinacea Schreb., which were commonly used for restoring degraded land in China to inoculate with three AMF separately, to explore the effects of different AMF inoculation on the growth performance and nutrient absorption of different plants and to provide a scientific basis for the research and development of the combination of mycorrhiza and plants. We set up four treatments with inoculation Entrophospora etunicata (EE), Funneliformis mosseae (FM), Rhizophagus intraradices (RI), and non-inoculation. The main research findings are as follows: the three AMF formed a good symbiotic relationship with the three grassland plants, with RI and FM having more significant inoculation effects on plant height, biomass, and tiller number. Compared with C, the aboveground biomass of Medicago sativa L., Bromus inermis Leyss, and Festuca arundinacea Schreb. inoculated with AMF increased by 101.30-174.29%, 51.67-74.14%, and 110.67-174.67%. AMF inoculation enhanced the plant uptake of N, P, and K, and plant P and K contents were significantly correlated with plant biomass. PLS-PM analyses of three plants all showed that AMF inoculation increased plant nutrient uptake and then increased aboveground biomass and underground biomass by increasing plant height and root tillering. This study showed that RI was a more suitable AMF for combination with grassland degradation restoration grass species and proposed the potential mechanism of AMF-plant symbiosis to increase yield.
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Affiliation(s)
- Hengkang Xu
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences (BAAFS), No. 9 Shuguang Garden Middle Road, Haidian District, Beijing 100097, China; (H.X.); (C.C.); (Z.P.); (G.Z.); (W.Z.)
| | - Yuchuan Shi
- College of Grassland Science and Technology, China Agricultural University, Beijing 100107, China;
| | - Chao Chen
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences (BAAFS), No. 9 Shuguang Garden Middle Road, Haidian District, Beijing 100097, China; (H.X.); (C.C.); (Z.P.); (G.Z.); (W.Z.)
| | - Zhuo Pang
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences (BAAFS), No. 9 Shuguang Garden Middle Road, Haidian District, Beijing 100097, China; (H.X.); (C.C.); (Z.P.); (G.Z.); (W.Z.)
| | - Guofang Zhang
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences (BAAFS), No. 9 Shuguang Garden Middle Road, Haidian District, Beijing 100097, China; (H.X.); (C.C.); (Z.P.); (G.Z.); (W.Z.)
| | - Weiwei Zhang
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences (BAAFS), No. 9 Shuguang Garden Middle Road, Haidian District, Beijing 100097, China; (H.X.); (C.C.); (Z.P.); (G.Z.); (W.Z.)
| | - Haiming Kan
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences (BAAFS), No. 9 Shuguang Garden Middle Road, Haidian District, Beijing 100097, China; (H.X.); (C.C.); (Z.P.); (G.Z.); (W.Z.)
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Slimani A, Ait-El-Mokhtar M, Ben-Laouane R, Boutasknit A, Anli M, Abouraicha EF, Oufdou K, Meddich A, Baslam M. Signals and Machinery for Mycorrhizae and Cereal and Oilseed Interactions towards Improved Tolerance to Environmental Stresses. PLANTS (BASEL, SWITZERLAND) 2024; 13:826. [PMID: 38592805 PMCID: PMC10975020 DOI: 10.3390/plants13060826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/04/2024] [Accepted: 03/12/2024] [Indexed: 04/11/2024]
Abstract
In the quest for sustainable agricultural practices, there arises an urgent need for alternative solutions to mineral fertilizers and pesticides, aiming to diminish the environmental footprint of farming. Arbuscular mycorrhizal fungi (AMF) emerge as a promising avenue, bestowing plants with heightened nutrient absorption capabilities while alleviating plant stress. Cereal and oilseed crops benefit from this association in a number of ways, including improved growth fitness, nutrient uptake, and tolerance to environmental stresses. Understanding the molecular mechanisms shaping the impact of AMF on these crops offers encouraging prospects for a more efficient use of these beneficial microorganisms to mitigate climate change-related stressors on plant functioning and productivity. An increased number of studies highlighted the boosting effect of AMF on grain and oil crops' tolerance to (a)biotic stresses while limited ones investigated the molecular aspects orchestrating the different involved mechanisms. This review gives an extensive overview of the different strategies initiated by mycorrhizal cereal and oilseed plants to manage the deleterious effects of environmental stress. We also discuss the molecular drivers and mechanistic concepts to unveil the molecular machinery triggered by AMF to alleviate the tolerance of these crops to stressors.
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Affiliation(s)
- Aiman Slimani
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Microbial Biotechnologies, Agrosciences, and Environment, Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
| | - Mohamed Ait-El-Mokhtar
- Laboratory of Biochemistry, Environment & Agri-Food URAC 36, Department of Biology, Faculty of Science and Techniques—Mohammedia, Hassan II University, Mohammedia 28800, Morocco
| | - Raja Ben-Laouane
- Laboratory of Environment and Health, Department of Biology, Faculty of Science and Techniques, Errachidia 52000, Morocco
| | - Abderrahim Boutasknit
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Multidisciplinary Faculty of Nador, Mohammed First University, Nador 62700, Morocco
| | - Mohamed Anli
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Department of Life, Earth and Environmental Sciences, University of Comoros, Patsy University Center, Moroni 269, Comoros
| | - El Faiza Abouraicha
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- Higher Institute of Nursing and Health Techniques (ISPITS), Essaouira 44000, Morocco
| | - Khalid Oufdou
- Laboratory of Microbial Biotechnologies, Agrosciences, and Environment, Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- AgroBiosciences Program, College of Agriculture and Environmental Sciences, University Mohammed VI Polytechnic (UM6P), Ben Guerir 43150, Morocco
| | - Abdelilah Meddich
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
| | - Marouane Baslam
- Centre d’Agrobiotechnologie et Bioingénierie, Unité de Recherche Labellisée CNRST (Centre AgroBiotech-URL-CNRST-05), Cadi Ayyad University, Marrakesh 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh 40000, Morocco
- GrowSmart, Seoul 03129, Republic of Korea
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Ważny R, Jędrzejczyk RJ, Rozpądek P, Domka A, Tokarz KM, Janicka M, Turnau K. Bacteria Associated with Spores of Arbuscular Mycorrhizal Fungi Improve the Effectiveness of Fungal Inocula for Red Raspberry Biotization. MICROBIAL ECOLOGY 2024; 87:50. [PMID: 38466433 DOI: 10.1007/s00248-024-02364-5] [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: 01/11/2024] [Accepted: 03/01/2024] [Indexed: 03/13/2024]
Abstract
Intensive crop production leads to the disruption of the symbiosis between plants and their associated microorganisms, resulting in suboptimal plant productivity and lower yield quality. Therefore, it is necessary to improve existing methods and explore modern, environmentally friendly approaches to crop production. One of these methods is biotization, which involves the inoculation of plants with appropriately selected symbiotic microorganisms which play a beneficial role in plant adaptation to the environment. In this study, we tested the possibility of using a multi-microorganismal inoculum composed of arbuscular mycorrhizal fungi (AMF) and AMF spore-associated bacteria for biotization of the red raspberry. Bacteria were isolated from the spores of AMF, and their plant growth-promoting properties were tested. AMF inocula were supplemented with selected bacterial strains to investigate their effect on the growth and vitality of the raspberry. The investigations were carried out in the laboratory and on a semi-industrial scale in a polytunnel where commercial production of seedlings is carried out. In the semi-industrial experiment, we tested the growth parameters of plants and physiological response of the plant to temporary water shortage. We isolated over fifty strains of bacteria associated with spores of AMF. Only part of them showed plant growth-promoting properties, and six of these (belonging to the Paenibacillus genus) were used for the inoculum. AMF inoculation and co-inoculation of AMF and bacteria isolated from AMF spores improved plant growth and vitality in both experimental setups. Plant dry weight was improved by 70%, and selected chlorophyll fluorescence parameters (the contribution of light to primary photochemistry and fraction of reaction centre chlorophyll per chlorophyll of the antennae) were increased. The inoculum improved carbon assimilation, photosynthetic rate, stomatal conductance and transpiration after temporary water shortage. Raspberry biotization with AMF and bacteria associated with spores has potential applications in horticulture where ecological methods based on plant microorganism interaction are in demand.
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Affiliation(s)
- Rafał Ważny
- Małopolska Centre of Biotechnology, Jagiellonian University in Kraków, Gronostajowa 7a, 30-387, Kraków, Poland.
| | - Roman J Jędrzejczyk
- Małopolska Centre of Biotechnology, Jagiellonian University in Kraków, Gronostajowa 7a, 30-387, Kraków, Poland
| | - Piotr Rozpądek
- Małopolska Centre of Biotechnology, Jagiellonian University in Kraków, Gronostajowa 7a, 30-387, Kraków, Poland
| | - Agnieszka Domka
- Małopolska Centre of Biotechnology, Jagiellonian University in Kraków, Gronostajowa 7a, 30-387, Kraków, Poland
- W. Szafer Institute of Botany Polish Academy of Sciences, Lubicz 46, 31-512, Kraków, Poland
| | - Krzysztof M Tokarz
- Department of Botany, Physiology and Plant Protection, University of Agriculture in Krakow, Aleja Mickiewicza 21, 31-120, Kraków, Poland
| | - Martyna Janicka
- Department of Nanobiology and Biomaterials, Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163, Warsaw, Poland
- Division of Microbiology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786, Warsaw, Poland
| | - Katarzyna Turnau
- Institute of Environmental Sciences, Jagiellonian University in Kraków, Gronostajowa 7, 30-387, Kraków, Poland
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Basiru S, Ait Si Mhand K, Hijri M. Disentangling arbuscular mycorrhizal fungi and bacteria at the soil-root interface. MYCORRHIZA 2023; 33:119-137. [PMID: 36961605 DOI: 10.1007/s00572-023-01107-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 02/21/2023] [Indexed: 06/08/2023]
Abstract
Arbuscular mycorrhizal fungi (AMF) are essential components of the plant root mycobiome and are found in approximately 80% of land plants. As obligate plant symbionts, AMF harbor their own microbiota, both inside and outside the plant root system. AMF-associated bacteria (AAB) possess various functional traits, including nitrogen fixation, organic and inorganic phosphate mobilization, growth hormone production, biofilm production, enzymatic capabilities, and biocontrol against pathogen attacks, which not only contribute to the health of the arbuscular mycorrhizal symbiosis but also promote plant growth. Because of this, there is increasing interest in the diversity, functioning, and mechanisms that underlie the complex interactions between AMF, AAB, and plant hosts. This review critically examines AMF-associated bacteria, focusing on AAB diversity, the factors driving richness and community composition of these bacteria across various ecosystems, along with the physical, chemical, and biological connections that enable AMF to select and recruit beneficial bacterial symbionts on and within their structures and hyphospheres. Additionally, potential applications of these bacteria in agriculture are discussed, emphasizing the potential importance of AMF fungal highways in engineering plant rhizosphere and endophyte bacteria communities, and the importance of a functional core of AAB taxa as a promising tool to improve plant and soil productivity. Thus, AMF and their highly diverse bacterial taxa represent important tools that could be efficiently explored in sustainable agriculture, carbon sequestration, and reduction of greenhouse gas emissions related to nitrogen fertilizer applications. Nevertheless, future studies adopting integrated multidisciplinary approaches are crucial to better understand AAB functional diversity and the mechanisms that govern these tripartite relationships.
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Affiliation(s)
- Sulaimon Basiru
- African Genome Center, Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, Ben Guerir, 43150, Morocco
| | - Khadija Ait Si Mhand
- African Genome Center, Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, Ben Guerir, 43150, Morocco
| | - Mohamed Hijri
- African Genome Center, Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, Ben Guerir, 43150, Morocco.
- Institut de recherche en biologie végétale (IRBV), Département de Sciences Biologiques, Université de Montréal, QC, Montréal, Canada.
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Xie L, Bi Y, Zhang Y, Guo N. Effect of Coal Mining on Soil Microorganisms from Stipa krylovii Rhizosphere in Typical Grassland. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3689. [PMID: 36834383 PMCID: PMC9960647 DOI: 10.3390/ijerph20043689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
The environmental changes caused by coal mining activities caused disturbances to the plant, soil, and microbial health in the mining area. Arbuscular mycorrhizal fungi (AMF) play an important role in the ecological restoration of mining areas. However, it is less understood how soil fungal communities with multiple functional groups respond to coal mining, and the quantitative impact and risk of mining disturbance. Therefore, in this study, the effect of coal mining on soil microorganisms' composition and diversity were analyzed near the edge of an opencast coal-mine dump in the Shengli mining area, Xilingol League, Inner Mongolia. The response strategy of soil fungi to coal mining and the stability of arbuscular mycorrhizal fungi (AMF) in the soil fungal community were determined. Our results showed that coal mining affected AMF and soil fungi in areas within 900 m from the coal mine. The abundance of endophytes increased with the distance between sampling sites and the mine dump, whereas the abundance of saprotroph decreased with the distance between sampling sites and the mine dump. Saprotroph was the dominant functional flora near the mining area. The nodes percentage of Septoglomus and Claroideoglomus and AMF phylogenetic diversity near the mining area were highest. AMF responded to the mining disturbance via the variety and evolution strategy of flora. Furthermore, AMF and soil fungal communities were significantly correlated with edaphic properties and parameters. Soil available phosphorus (AP) was the main influencer of soil AMF and fungal communities. These findings evaluated the risk range of coal mining on AMF and soil fungal communities and elucidated the microbial response strategy to mining disturbance.
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Affiliation(s)
- Linlin Xie
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
| | - Yinli Bi
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
- Institute of Ecological and Environmental Restoration in Mining Areas of West China, Xi’an University of Science and Technology, Xi’an 710054, China
| | - Yanxu Zhang
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
| | - Nan Guo
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing 100083, China
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Effects of Arbuscular Mycorrhizal Fungus on Sodium and Chloride Ion Channels of Casuarina glauca under Salt Stress. Int J Mol Sci 2023; 24:ijms24043680. [PMID: 36835093 PMCID: PMC9966195 DOI: 10.3390/ijms24043680] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/04/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023] Open
Abstract
Casuarina glauca is an important coastal protection forest species, which is exposed to high salt stress all year round. Arbuscular mycorrhizal fungi (AMF) can promote the growth and salt tolerance of C. glauca under salt stress. However, the effects of AMF on the distribution of Na+ and Cl- and the expression of related genes in C. glauca under salt stress need to be further explored. This study explored the effects of Rhizophagus irregularis on plant biomass, the distribution of Na+ and Cl-, and the expression of related genes in C. glauca under NaCl stress through pot simulation experiments. The results revealed that the mechanisms of Na+ and Cl- transport of C. glauca under NaCl stress were different. C. glauca took a salt accumulation approach to Na+, transferring Na+ from roots to shoots. Salt accumulation of Na+ promoted by AMF was associated with CgNHX7. The transport mechanism of C. glauca to Cl- might involve salt exclusion rather than salt accumulation, and Cl- was no longer transferred to shoots in large quantities but started to accumulate in roots. However, AMF alleviated Na+ and Cl- stress by similar mechanisms. AMF could promote salt dilution of C. glauca by increasing biomass and the content of K+, compartmentalizing Na+ and Cl- in vacuoles. These processes were associated with the expression of CgNHX1, CgNHX2-1, CgCLCD, CgCLCF, and CgCLCG. Our study will provide a theoretical basis for the application of AMF to improve salt tolerance in plants.
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Zhang Y, Shi K, Cui H, Han J, Wang H, Ma X, Li Z, Zhang L, Nie S, Ma C, Wang A, Liang B. Efficient biodegradation of acetoacetanilide in hypersaline wastewater with a synthetic halotolerant bacterial consortium. JOURNAL OF HAZARDOUS MATERIALS 2023; 441:129926. [PMID: 36099740 DOI: 10.1016/j.jhazmat.2022.129926] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/27/2022] [Accepted: 09/04/2022] [Indexed: 06/15/2023]
Abstract
The high concentrations of salt and refractory toxic organics in industrial wastewater seriously restrict biological treatment efficiency and functional stability. However, how to construct a salt-tolerant biocatalytic community and realize the decarbonization coupled with detoxification toward green bio-enhanced treatment, has yet to be well elucidated. Here, acetoacetanilide (AAA), an important intermediate for many dyes and medicine synthesis, was used as the model amide pollutant to elucidate the directional enrichment of halotolerant degradative communities and the corresponding bacterial interaction mechanism. Combining microbial community composition and molecular ecological network analyses as well as the biodegradation efficiencies of AAA and its hydrolysis product aniline (AN) of pure strains, the core degradative bacteria were identified during the hypersaline AAA degradation process. A synthetic bacterial consortium composed of Paenarthrobacter, Rhizobium, Rhodococcus, Delftia and Nitratireductor was constructed based on the top-down strategy to treat AAA wastewater with different water quality characteristics. The synthetic halotolerant consortium showed promising treatment ability toward the simulated AAA wastewater (AAA 100-500 mg/L, 1-5% salinity) and actual AAA mother liquor. Additionally, the comprehensive toxicity of AAA mother liquor significantly reduced after biological treatment. This study provides a green biological approach for the treatment of hypersaline and high concentration of organics wastewater.
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Affiliation(s)
- Yanqing Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Ke Shi
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Hanlin Cui
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jinglong Han
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Hao Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Xiaodan Ma
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Zhiling Li
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Ling Zhang
- School of Science, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Shichen Nie
- Shandong Hynar Water Environmental Protection Co., Ltd., Caoxian, China
| | - Changshui Ma
- Tai'an Hospital of Chinese Medicine, Tai'an 271000, China
| | - Aijie Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Bin Liang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China.
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Bastías DA, Applegate ER, Johnson LJ, Card SD. Factors controlling the effects of mutualistic bacteria on plants associated with fungi. Ecol Lett 2022; 25:1879-1888. [PMID: 35810320 PMCID: PMC9544109 DOI: 10.1111/ele.14073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 05/31/2022] [Accepted: 06/21/2022] [Indexed: 11/29/2022]
Abstract
Plants interacting with mutualistic fungi (MF) or antagonistic fungi (AF) can form associations with bacteria. We assessed whether the performance gain conferred by mutualistic bacteria to fungal-associated plants is affected by the interaction between symbiont traits, type of bacterial-protective traits against AF and abiotic/biotic stresses. Results showed that (A) performance gain conferred by bacteria to MF-associated plants was greater when symbionts promoted distinct rather than similar plant functions, (B) bacterial-based alleviation of the AF's negative effect on plants was independent of the type of protective trait, (C) bacteria promoted a greater performance of symbiotic plants in presence of biotic, but not abiotic, stress compared to stress-free situations. The plant performance gain was not affected by any fungal-bacterial trait combination but optimised when bacteria conferred resistance traits in biotic stress situations. The effects of bacteria on fungal-associated plants were controlled by the interaction between the symbionts' functional traits and the relationship between bacterial traits and abiotic/biotic stresses.
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Affiliation(s)
- Daniel A. Bastías
- Grasslands Research Centre, AgResearch LimitedPalmerston NorthNew Zealand
| | - Emma R. Applegate
- Grasslands Research Centre, AgResearch LimitedPalmerston NorthNew Zealand
| | - Linda J. Johnson
- Grasslands Research Centre, AgResearch LimitedPalmerston NorthNew Zealand
| | - Stuart D. Card
- Grasslands Research Centre, AgResearch LimitedPalmerston NorthNew Zealand
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Gritli T, Boubakri H, Essahibi A, Hsouna J, Ilahi H, Didier R, Mnasri B. Salt stress mitigation in Lathyrus cicera by combining different microbial inocula. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2022; 28:1191-1206. [PMID: 35910445 PMCID: PMC9334493 DOI: 10.1007/s12298-022-01205-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/27/2022] [Accepted: 06/27/2022] [Indexed: 05/03/2023]
Abstract
UNLABELLED Arid and semi-arid areas are considered vulnerable to various environmental constraints which are further fortified by climate change. Salinity is one of the most serious abiotic factors affecting crop yield and soil fertility. Till now, no information is available on the effect of salinity on development and symbiotic nitrogen (N2) fixation in the legume species Lathyrus cicera. Here, we evaluated the effect of different microbial inocula including nitrogen-fixing Rhizobium laguerreae, arbuscular mycorrhizal fungus (AMF) Rhizophagus irregularis, a complex mixed inoculum of AMF isolated from rhizospheric soil in "Al Aitha", and various plant growth-promoting bacteria (PGPB) including Bacillus subtilus, Bacillus simplex and Bacillus megaterium combined with Rhizobium, the AMF consortium, or R. irregularis on alleviating salt stress in this legume. A pot trial was conducted to evaluate the ability of different microbial inocula to mitigate adverse effects of salinity on L. cicera plants. The results showed that salinity (100 mM NaCl) significantly reduced L. cicera plant growth. However, inoculation with different inocula enhanced plant growth and markedly promoted various biochemical traits. Moreover, the combined use of PGPB and AMF was found to be the most effective treatment in mitigating deleterious effects of salinity stress on L. cicera. In addition, this co-inoculation upregulated the expression of two marker genes (LcHKT1 and LcNHX7) related to salinity tolerance. Our findings suggest that the AMF/PGPB formulation has a great potential to be used as a biofertilizer to improve L. cicera plant growth and productivity under saline conditions. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12298-022-01205-4.
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Affiliation(s)
- Takwa Gritli
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj-Cedria, BP 901, 2050 Hammam-Lif, Tunisia
| | - Hatem Boubakri
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj-Cedria, BP 901, 2050 Hammam-Lif, Tunisia
| | | | - Jihed Hsouna
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj-Cedria, BP 901, 2050 Hammam-Lif, Tunisia
| | - Houda Ilahi
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj-Cedria, BP 901, 2050 Hammam-Lif, Tunisia
| | - Reinhardt Didier
- Department of Biology, Rte. Albert-Gockel 3, CH- 1700 Fribourg, Switzerland
| | - Bacem Mnasri
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj-Cedria, BP 901, 2050 Hammam-Lif, Tunisia
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10
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Zhao Y, Zhang F, Mickan B, Wang D, Wang W. Physiological, proteomic, and metabolomic analysis provide insights into Bacillus sp.-mediated salt tolerance in wheat. PLANT CELL REPORTS 2022; 41:95-118. [PMID: 34546426 DOI: 10.1007/s00299-021-02788-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 09/09/2021] [Indexed: 05/15/2023]
Abstract
Herein, the inoculation with strain wp-6 promoted the growth of wheat seedlings by improving the energy production and conversion of wheat seedlings and alleviating salt stress. Soil salinization decreases crop productivity due to high toxicity of sodium ions to plants. Plant growth-promoting rhizobacteria (PGPR) have been demonstrated to alleviate salinity stress. However, the mechanism of PGPR in improving plant salt tolerance remains unclear. In this study, physiological analysis, proteomics, and metabolomics were applied to investigate the changes in wheat seedlings under salt stress (150 mM NaCl), both with and without plant root inoculation with wp-6 (Bacillus sp.). Under salt stress, root inoculation with strain wp-6 increased plant biomass (57%) and root length (25%). The Na+ content was reduced, while the K+ content and K+/Na+ ratio were increased. The content of malondialdehyde was decreased by 31.94% after inoculation of wp-6 under salt stress, while the content of proline, soluble sugar, and soluble protein were increased by 7.48%, 12.34%, and 4.12%, respectively. The peroxidase, catalase, and superoxide dismutase activities were increased after inoculation of wp-6 under salt stress. Galactose metabolism, phenylalanine metabolism, caffeine metabolism, ubiquinone and other terpenoid-quinone biosynthesis, and glutathione metabolism might play an important role in promoting the growth of salt-stressed wheat seedlings after the inoculation with wp-6. Interaction analysis of differentially expressed proteins and metabolites found that energy production and transformation-related proteins and six metabolites (D-arginine, palmitoleic acid, chlorophyllide b, rutin, pheophorbide a, and vanillylamine) were mainly involved in the growth of wheat seedlings after the inoculation with wp-6 under salt stress. Furthermore, correlation analysis found that inoculation with wp-6 promotes the growth of salt-stressed wheat seedlings mainly through regulating amino acid metabolism and porphyrin and chlorophyll metabolism. This study provides an eco-friendly method to increase agricultural productivity and paves a way to sustainable agriculture.
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Affiliation(s)
- Yaguang Zhao
- Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi University, North 4th Street No. 221, Shihezi, 832003, Xinjiang, China
| | - Fenghua Zhang
- Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi University, North 4th Street No. 221, Shihezi, 832003, Xinjiang, China.
| | - Bede Mickan
- The UWA Institute of Agriculture, The University of Western Australia, Perth, WA, 6001, Australia
- UWA School of Agriculture and Environment, The University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA, 6001, Australia
| | - Dan Wang
- Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi University, North 4th Street No. 221, Shihezi, 832003, Xinjiang, China
| | - Weichao Wang
- Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan, Shihezi University, North 4th Street No. 221, Shihezi, 832003, Xinjiang, China
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Xie L, Bi Y, Ma S, Shang J, Hu Q, Christie P. Combined inoculation with dark septate endophytes and arbuscular mycorrhizal fungi: synergistic or competitive growth effects on maize? BMC PLANT BIOLOGY 2021; 21:498. [PMID: 34715790 PMCID: PMC8555310 DOI: 10.1186/s12870-021-03267-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 10/11/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Effects on maize were assessed of dual inoculation with arbuscular mycorrhizal fungi (AMF) and dark septate endophytes (DSE) isolated from other plant species. METHODS Suspensions of DSE isolated from Stipa krylovii were prepared at different densities (2, 4, and 8 × 105 CFU mL- 1) and inoculated separately (AMF or DSE) or together (AMF + DSE), to explore their effects on maize growth. RESULTS Inoculation with AMF or medium and high densities of DSE and combined inoculation (AMF + DSE) increased plant above-ground growth and altered root morphology. Differences in plant growth were attributable to differences in DSE density, with negative DSE inoculation responsiveness at low density. AMF promoted plant above-ground growth more than DSE and the high density of DSE promoted root development more than AMF. Combined inoculation might lead to synergistic growth effects on maize at low density of DSE and competitive effects at medium and high DSE densities. CONCLUSIONS AMF and DSE co-colonized maize roots and they had positive effects on the host plants depending on DSE density. These findings indicate the optimum maize growth-promoting combination of AMF and DSE density and provide a foundation for further exploration of potentially synergistic mechanisms between AMF and DSE in physiological and ecological effects on host plants.
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Affiliation(s)
- Linlin Xie
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing, 100083, China
| | - Yinli Bi
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing, 100083, China.
- Institute of Ecological and Environmental Restoration in Mining Areas of West China, Xi'an University of Science and Technology, Xi'an, 710054, China.
| | - Shaopeng Ma
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing, 100083, China
| | - Jianxuan Shang
- Shaanxi Coal and Chemical Industry Group Co., Ltd, Xi'an, 710076, China
| | - Qincheng Hu
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology (Beijing), Beijing, 100083, China
| | - Peter Christie
- Institute of Ecological and Environmental Restoration in Mining Areas of West China, Xi'an University of Science and Technology, Xi'an, 710054, China
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12
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Heydari S, Pirzad A. Improvement of the yield-related response of mycorrhized Lallemantia iberica to salinity through sulfur-oxidizing bacteria. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:3758-3766. [PMID: 33301188 DOI: 10.1002/jsfa.11007] [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: 11/25/2019] [Accepted: 12/10/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND To investigate the effects of salinity as a serious environmental limiter of productivity on the yield-related traits of Lallemantia iberica, a split-plot experiment was performed for 2 years (2017-2018) based on a randomized complete block design with three replications at Urmia University (37°33'09″N, 45°05'53″E). The main plots included salinity stress at two levels (6.72 dS m-1 , and 0.91 dS m-1 as control), and subplots were inoculants at four levels (Funneliformis mosseae, Thiobacillus sp., F. mosseae + Thiobacillus sp., and no inoculation). RESULTS In the saline condition, serious reductions in yield and yield components (numbers of capsules per plant, seeds per capsule, and seeds per plant, 1000-seed weight, seed and biological yields), concentrations of leaf phosphorus and potassium, and relative mycorrhizal dependency were observed, but against the harvest index the leaf sulfur and sodium contents were increased. Moreover, all morphological traits (plant height, number of branches and leaves, leaf weight, stem weight, and ratio of leaf weight to stem weight) were decreased under salinity conditions. Mycorrhizal inoculation enhanced the salinity-induced reduction of yield and morphological traits to some extent. Inoculation with Thiobacillus had superiority in some of the yield and morphological characteristics compared with those in the non-inoculated plants. CONCLUSION Salinity stress can significantly affect the yield, morphological characteristics, nutrients content, and mycorrhizal dependency of L. iberica plants. This study exhibited the significant effects of single and simultaneous applications of F. mosseae and Thiobacillus on plant growth and yield in saline soils. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Shabnam Heydari
- Department of Plant Production and Genetics, Faculty of Agriculture and Natural Resources, Urmia University, Urmia, Iran
| | - Alireza Pirzad
- Department of Plant Production and Genetics, Faculty of Agriculture and Natural Resources, Urmia University, Urmia, Iran
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13
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Sahab S, Suhani I, Srivastava V, Chauhan PS, Singh RP, Prasad V. Potential risk assessment of soil salinity to agroecosystem sustainability: Current status and management strategies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 764:144164. [PMID: 33385648 DOI: 10.1016/j.scitotenv.2020.144164] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/16/2020] [Accepted: 11/28/2020] [Indexed: 05/09/2023]
Abstract
Soil salinization has become a major global agricultural issue that threatens sustainable development goals related to food security, agriculture, resource conservation, and nutrition. The higher levels of salinity have detrimental effects on soil physico-chemical and biological characteristics and plant metabolism. Also, salinity poses a negative impact on the abundance and distribution of soil microbes and soil-dwelling organisms. Research has always been trying to overcome the salinity issue, but it does not fit well in conventional approaches. This review unravels traditional and modern salinity management techniques. Out of the available salinity management techniques, some are focused on enhancing soil properties (chemical amendments, biochar, earthworms, and their vermicompost, compost, microbial inoculants, electro remediation), some focus on improving plant properties (seed priming, afforestation, crop selection, genetic improvements, agroforestry) and some techniques augment both soil as well as plant properties in a synergic manner. Therefore, it is imperative to find a conclusive solution by integrating traditional and modern methods to find the most effective response to regionally-specific salinity related problems. This review aimed at critical analysis of the salinity problems, its impact on agroecosystem, and different management approaches available to date with a balanced viewpoint that would help to draw a possible roadmap towards the future investigation in this domain for sustainable management of salinity issues around the globe.
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Affiliation(s)
- Sinha Sahab
- Institute of Environment & Sustainable Development, Banaras Hindu University, Varanasi 221005, India
| | - Ibha Suhani
- Institute of Environment & Sustainable Development, Banaras Hindu University, Varanasi 221005, India
| | - Vaibhav Srivastava
- Institute of Environment & Sustainable Development, Banaras Hindu University, Varanasi 221005, India
| | - Puneet Singh Chauhan
- Division of Plant-Microbe Interaction, CSIR-National Botanical Research Institute (NBRI), Lucknow, India
| | - Rajeev Pratap Singh
- Institute of Environment & Sustainable Development, Banaras Hindu University, Varanasi 221005, India.
| | - Vishal Prasad
- Institute of Environment & Sustainable Development, Banaras Hindu University, Varanasi 221005, India
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Draft Genome Sequences of Pseudomonas koreensis Strain UASWS1668, Bacillus megaterium Strain UASWS1667, and Paenibacillus sp. Strain UASWS1643, Considered Potential Plant Growth-Promoting Rhizobacteria. Microbiol Resour Announc 2020; 9:9/33/e00768-20. [PMID: 32817155 PMCID: PMC7427193 DOI: 10.1128/mra.00768-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Plant growth-promoting rhizobacteria (PGPR) include species in the genera Bacillus, Paenibacillus, and Pseudomonas. We report here the draft genome sequences of the strains Pseudomonas koreensis UASWS1668 and Bacillus megaterium UASWS1667, isolated from a horse chestnut tree, and Paenibacillus sp. strain UASWS1643, isolated from a tomato stem. Auxin production and phosphate solubilization were biochemically confirmed. Plant growth-promoting rhizobacteria (PGPR) include species in the genera Bacillus, Paenibacillus, and Pseudomonas. We report here the draft genome sequences of the strains Pseudomonas koreensis UASWS1668 and Bacillus megaterium UASWS1667, isolated from a horse chestnut tree, and Paenibacillus sp. strain UASWS1643, isolated from a tomato stem. Auxin production and phosphate solubilization were biochemically confirmed.
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15
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Sharma S, Compant S, Ballhausen MB, Ruppel S, Franken P. The interaction between Rhizoglomus irregulare and hyphae attached phosphate solubilizing bacteria increases plant biomass of Solanum lycopersicum. Microbiol Res 2020; 240:126556. [PMID: 32683279 DOI: 10.1016/j.micres.2020.126556] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 06/15/2020] [Accepted: 07/06/2020] [Indexed: 01/04/2023]
Abstract
The synergistic interaction between arbuscular mycorrhizal fungi (AMF) and phosphate solubilizing bacteria (PSB) can enhance growth and phosphorous uptake in plants. Since PSBs are well known hyphal colonizers we sought to understand this physical interaction and exploit it in order to design strategies for the application of a combined microbial inoculum. Phosphate-solubilizing bacteria strongly attached to the hyphae of Rhizoglomus irregulare were isolated using a two compartment system (root and hyphal compartments), which were separated by a nylon mesh through which AMF hyphae could pass but not plant roots. Allium ampeloprasum (Leek) was used as the host plant inoculated with R. irregulare. A total of 128 bacteria were isolated, of which 12 showed stable phosphate solubilizing activity. Finally, three bacteria belonging to the genus Pseudomonas showed the potential for inorganic and organic phosphate mobilization along with other plant growth promoting traits. These PSBs were further evaluated for their functional characteristics and their interaction with AMF. The impact of single or co-inoculations of the selected bacteria and AMF on Solanum lycopersicum was tested and we found that plants inoculated with the combination of fungus and bacteria had significantly higher plant biomass compared to single inoculations, indicating synergistic activities of the bacterial-fungal consortium.
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Affiliation(s)
- Shubhangi Sharma
- Leibniz-Institut für Gemüse- und Zierpflanzenbau, Theodor-Echtermeyer-Weg 1, 14979 Großbeeren, Germany.
| | - Stéphane Compant
- AIT Austrian Institute of Technology, Center for Health and Bioresources, Konrad Lorenz Strasse 24, 3430 Tulln, Austria
| | | | - Silke Ruppel
- Leibniz-Institut für Gemüse- und Zierpflanzenbau, Theodor-Echtermeyer-Weg 1, 14979 Großbeeren, Germany
| | - Philipp Franken
- Leibniz-Institut für Gemüse- und Zierpflanzenbau, Theodor-Echtermeyer-Weg 1, 14979 Großbeeren, Germany
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16
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Saline and Arid Soils: Impact on Bacteria, Plants, and their Interaction. BIOLOGY 2020; 9:biology9060116. [PMID: 32498442 PMCID: PMC7344409 DOI: 10.3390/biology9060116] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/26/2020] [Accepted: 05/29/2020] [Indexed: 12/11/2022]
Abstract
Salinity and drought are the most important abiotic stresses hampering crop growth and yield. It has been estimated that arid areas cover between 41% and 45% of the total Earth area worldwide. At the same time, the world’s population is going to soon reach 9 billion and the survival of this huge amount of people is dependent on agricultural products. Plants growing in saline/arid soil shows low germination rate, short roots, reduced shoot biomass, and serious impairment of photosynthetic efficiency, thus leading to a substantial loss of crop productivity, resulting in significant economic damage. However, plants should not be considered as single entities, but as a superorganism, or a holobiont, resulting from the intimate interactions occurring between the plant and the associated microbiota. Consequently, it is very complex to define how the plant responds to stress on the basis of the interaction with its associated plant growth-promoting bacteria (PGPB). This review provides an overview of the physiological mechanisms involved in plant survival in arid and saline soils and aims at describing the interactions occurring between plants and its bacteriome in such perturbed environments. The potential of PGPB in supporting plant survival and fitness in these environmental conditions has been discussed.
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17
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Wang J, Zhai L, Ma J, Zhang J, Wang GG, Liu X, Zhang S, Song J, Wu Y. Comparative physiological mechanisms of arbuscular mycorrhizal fungi in mitigating salt-induced adverse effects on leaves and roots of Zelkova serrata. MYCORRHIZA 2020; 30:341-355. [PMID: 32388674 DOI: 10.1007/s00572-020-00954-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 03/30/2020] [Indexed: 06/11/2023]
Abstract
Arbuscular mycorrhizal (AM) fungi enhance plant salt tolerance. However, physiological mechanisms of enhanced salt tolerance in leaves and roots of trees rarely have been compared. To reveal the different mechanisms, our study utilized comprehensive analyses of leaves and roots to examine the effects of Funneliformis mosseae on the salinity tolerance of Zelkova serrata. Seedlings of Z. serrata were exposed to four salt levels in a greenhouse with and without F. mosseae inoculation. Treatment comparisons revealed that following F. mosseae inoculation, (1) nutrient deficiency caused by osmotic stress was mitigated by the fungus enhancing nutrient contents (K, Ca, and Mg) in roots and (N, P, K, Ca, and Mg) in leaves, with Ca and K contents being higher in both leaves and roots; (2) mycorrhizas alleviated ion toxicity by maintaining a favorable ion balance (e.g., K+/Na+), and this regulatory effect was higher in leaves than that in roots; and (3) oxidative damage was reduced by an increase in the activities of antioxidant enzymes and accumulation of antioxidant compounds in mycorrhizal plants although the increase differed in leaves and roots. In particular, AM fungus-enhanced catalase activity and reduced glutathione content only occurred in leaves, whereas an enhanced content of reduced ascorbic acid was only noted in roots. Growth, root vitality, leaf photosynthetic pigments, net photosynthetic rate, and dry weight were higher in seedlings with AM fungus inoculation. These results suggest that AM fungus inoculation improved salinity tolerance of Z. serrata, but the physiological mechanisms differed between leaves and roots.
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Affiliation(s)
- Jinping Wang
- Co-Innovation Center for Sustainable Forestry in Southern China, Jiangsu Province Key Laboratory of Soil and Water Conservation and Ecological Restoration, Nanjing Forestry University, 159 Longpan Road, Nanjing, 210037, Jiangsu, China
- Department of Forestry and Environmental Conservation, Clemson University, Clemson, SC, 29634, USA
| | - Lu Zhai
- Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK, 74078, USA
| | - Jieyi Ma
- Co-Innovation Center for Sustainable Forestry in Southern China, Jiangsu Province Key Laboratory of Soil and Water Conservation and Ecological Restoration, Nanjing Forestry University, 159 Longpan Road, Nanjing, 210037, Jiangsu, China
| | - Jinchi Zhang
- Co-Innovation Center for Sustainable Forestry in Southern China, Jiangsu Province Key Laboratory of Soil and Water Conservation and Ecological Restoration, Nanjing Forestry University, 159 Longpan Road, Nanjing, 210037, Jiangsu, China.
| | - G Geoff Wang
- Department of Forestry and Environmental Conservation, Clemson University, Clemson, SC, 29634, USA.
| | - Xin Liu
- Co-Innovation Center for Sustainable Forestry in Southern China, Jiangsu Province Key Laboratory of Soil and Water Conservation and Ecological Restoration, Nanjing Forestry University, 159 Longpan Road, Nanjing, 210037, Jiangsu, China
| | - Shuifeng Zhang
- Department of Forest Fire, Nanjing Forest Police College, Nanjing, 210023, Jiangsu, China
| | - Juan Song
- Co-Innovation Center for Sustainable Forestry in Southern China, Jiangsu Province Key Laboratory of Soil and Water Conservation and Ecological Restoration, Nanjing Forestry University, 159 Longpan Road, Nanjing, 210037, Jiangsu, China
| | - Yingkang Wu
- Dafeng Forest Farm, Yancheng, 224136, Jiangsu, China
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18
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Yang Q, Zhao Z, Hou H, Bai Z, Yuan Y, Su Z, Wang G. The effect of combined ecological remediation (plant microorganism modifier) on rare earth mine wasteland. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:13679-13691. [PMID: 32034593 DOI: 10.1007/s11356-020-07886-2] [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: 08/01/2019] [Accepted: 01/27/2020] [Indexed: 06/10/2023]
Abstract
Due to the vegetation destruction and soil desertification caused by excessive exploitation at Ganzhou ion-type rare earth mine in the mid-1980s, it is essential to carry out ecological remediation. The symbiotic mycorrhiza formed by the developed perennial ryegrass (Lolium perenne L.) roots infected with arbuscular mycorrhizal fungi (AMF) can significantly improve the growth and resistance of plants. In this study, the combination of symbiotic mycorrhiza and soil modifier was used to construct the ryegrass-AMF-soil modifier combined remediation technology, which achieved effective ecological remediation of soil tailings. The orthogonal experiment of soil modifier showed that the most efficient formula for ryegrass biomass, soil organic matter, soil alkaline hydrolysis, soil available phosphorus, and soil pH was 5 g/kg sepiolite, 3 g/kg chicken manure, 2 g/kg humic acid, and 2 g/kg biochar (A4B3C3D3), and chicken manure (B), humic acid (C), and biochar (D) had significant effects on the improvement of ryegrass biomass, soil organic matter, soil alkaline nitrogen, and soil available phosphorus. Sepiolite (A) had a significant improvement in soil pH. Furthermore, the AMF infection results indicated that Glomus moss (G.m.) had higher affinity with ryegrass. The T4 treatment-combined remediation using G.m. inoculation had the most significant effect on ryegrass growth; plant height increased by 39.19% compared with T1 treatment-inoculation using G.m. Under combined remediation, soil pH, organic matter, alkali nitrogen, and effective phosphorus content also significantly improved after combined treatment. Under G.m. inoculation treatment (T4 treatment), the soil nutrient content reached the three criteria of the soil nutrient grading standard.
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Affiliation(s)
- Qiao Yang
- College of Land Science and Technology, China University of Geosciences, No.29, Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Zhongqiu Zhao
- College of Land Science and Technology, China University of Geosciences, No.29, Xueyuan Road, Haidian District, Beijing, 100083, China.
- Key Laboratory of Land Consolidation and Rehabilitation Ministry of Land and Resources, Beijing, 100035, China.
| | - Hong Hou
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Zhongke Bai
- College of Land Science and Technology, China University of Geosciences, No.29, Xueyuan Road, Haidian District, Beijing, 100083, China
- Key Laboratory of Land Consolidation and Rehabilitation Ministry of Land and Resources, Beijing, 100035, China
| | - Ye Yuan
- College of Land Science and Technology, China University of Geosciences, No.29, Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Zhijie Su
- College of Land Science and Technology, China University of Geosciences, No.29, Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Guangyao Wang
- College of Land Science and Technology, China University of Geosciences, No.29, Xueyuan Road, Haidian District, Beijing, 100083, China
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19
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Porter SS, Bantay R, Friel CA, Garoutte A, Gdanetz K, Ibarreta K, Moore BM, Shetty P, Siler E, Friesen ML. Beneficial microbes ameliorate abiotic and biotic sources of stress on plants. Funct Ecol 2020. [DOI: 10.1111/1365-2435.13499] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | - Roxanne Bantay
- Department of Plant Biology Michigan State University East Lansing MI USA
| | - Colleen A. Friel
- Department of Plant Biology Michigan State University East Lansing MI USA
| | - Aaron Garoutte
- Department of Plant Biology Michigan State University East Lansing MI USA
- Department of Plant Soil & Microbial Sciences Michigan State University East Lansing MI USA
| | - Kristi Gdanetz
- Department of Plant Biology Michigan State University East Lansing MI USA
| | - Kathleen Ibarreta
- School of Biological Sciences Washington State University Vancouver WA USA
| | - Bethany M. Moore
- Department of Plant Biology Michigan State University East Lansing MI USA
| | - Prateek Shetty
- Department of Plant Biology Michigan State University East Lansing MI USA
| | - Eleanor Siler
- Department of Plant Biology Michigan State University East Lansing MI USA
| | - Maren L. Friesen
- Department of Plant Biology Michigan State University East Lansing MI USA
- Department of Plant Pathology Washington State University Pullman WA USA
- Department of Crop & Soil Sciences Washington State University Pullman WA USA
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20
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Bourles A, Guentas L, Charvis C, Gensous S, Majorel C, Crossay T, Cavaloc Y, Burtet-Sarramegna V, Jourand P, Amir H. Co-inoculation with a bacterium and arbuscular mycorrhizal fungi improves root colonization, plant mineral nutrition, and plant growth of a Cyperaceae plant in an ultramafic soil. MYCORRHIZA 2020; 30:121-131. [PMID: 31900591 DOI: 10.1007/s00572-019-00929-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
The ecological restoration of nickel mining-degraded areas in New Caledonia is strongly limited by low availability of soil mineral nutrients, metal toxicity, and slow growth rates of native plant species. In order to improve plant growth for restoration programs, special attention was paid to interactions between plant and soil microorganisms. In this study, we evaluated the influence of inoculation with Curtobacterium citreum BE isolated from a New Caledonian ultramafic soil on arbuscular mycorrhizal symbiosis and growth of Tetraria comosa, an endemic sedge used in restoration programs. A greenhouse experiment on ultramafic substrate was conducted with an inoculum comprising two arbuscular mycorrhizal fungi (AMF) species isolated from New Caledonian ultramafic soils: Rhizophagus neocaledonicus and Claroideoglomus etunicatum. The effects on plant growth of the AMF and C. citreum BE inoculated separately were not significant, but their co-inoculation significantly enhanced the dry weight of T. comosa compared with the non-inoculated control. These differences were positively correlated with mycorrhizal colonization which was improved by C. citreum BE. Compared with the control, co-inoculated plants were characterized by better mineral nutrition, a higher Ca/Mg ratio, and lower metal translocation. However, for Ca/Mg ratio and metal translocation, there were no significant differences between the effects of AMF inoculation and co-inoculation.
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Affiliation(s)
- Alexandre Bourles
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France
| | - Linda Guentas
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France.
- Laboratoire MAPIEM EA 4323, SeaTech-Ecole d'ingénieurs, Université de Toulon, BP 20132, 83957, La Garde Cedex, France.
| | - César Charvis
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France
| | - Simon Gensous
- Equipe ARBOREAL, groupe EcoRCE, Institut Agronomique Néo-Calédonien, BP 73, Port-Laguerre, 98890, Païta, Nouvelle-Calédonie, France
| | - Clarisse Majorel
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France
| | - Thomas Crossay
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France
| | - Yvon Cavaloc
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France
| | - Valérie Burtet-Sarramegna
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France
| | - Philippe Jourand
- IRD, Laboratoire des Symbioses Tropicales et Méditerranéennes (LSTM UMR040), Campus International de Baillarguet, TA A-82/J, F-34398 Cedex 05, Montpellier, France
| | - Hamid Amir
- Institut de Sciences Exactes et Appliquées, Université de la Nouvelle-Calédonie, BP R4, 98851, Nouméa, Nouvelle-Calédonie, France
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Gu J, Ma S, Zhang Y, Wang D, Cao S, Wang ZY. Genome-Wide Identification of Cassava Serine/Arginine-Rich Proteins: Insights into Alternative Splicing of Pre-mRNAs and Response to Abiotic Stress. PLANT & CELL PHYSIOLOGY 2020; 61:178-191. [PMID: 31596482 DOI: 10.1093/pcp/pcz190] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 09/26/2019] [Indexed: 05/08/2023]
Abstract
Serine/arginine-rich (SR) proteins have an essential role in the splicing of pre-messenger RNA (pre-mRNA) in eukaryote. Pre-mRNA with introns can be alternatively spliced to generate multiple transcripts, thereby increasing adaptation to the external stress conditions in planta. However, pre-mRNA of SR proteins can also be alternatively spliced in different plant tissues and in response to diverse stress treatments, indicating that SR proteins might be involved in regulating plant development and adaptation to environmental changes. We identified and named 18 SR proteins in cassava and systematically studied their splicing and transcriptional changes under tissue-specific and abiotic stress conditions. Fifteen out of 18 SR genes showed alternative splicing in the tissues. 45 transcripts were found from 18 SR genes under normal conditions, whereas 55 transcripts were identified, and 21 transcripts were alternate spliced in some SR genes under salt stress, suggesting that SR proteins might participate in the plant adaptation to salt stress. We then found that overexpression of MeSR34 in Arabidopsis enhanced the tolerance to salt stress through maintaining reactive oxygen species homeostasis and increasing the expression of calcineurin B-like proteins (CBL)-CBL-interacting protein kinases and osmotic stress-related genes. Therefore, our findings highlight the critical role of cassava SR proteins as regulators of RNA splicing and salt tolerance in planta.
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Affiliation(s)
- Jinbao Gu
- School of Food Science and Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
- Guangdong Provincial Bioengineering Institute (Guangzhou Sugarcane Industry Research Institute), Guangzhou, Guangdong 510316, China
| | - Siya Ma
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China
| | - Yuna Zhang
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China
| | - Dong Wang
- Key Laboratory of Molecular Biology and Gene Engineering in Jiangxi Province, College of Life Science, Nanchang University, Jiangxi 330031, China
| | - Shuqing Cao
- School of Food Science and Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
| | - Zhen-Yu Wang
- Guangdong Provincial Bioengineering Institute (Guangzhou Sugarcane Industry Research Institute), Guangzhou, Guangdong 510316, China
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China
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22
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Yang Q, Zhao Z, Bai Z, Hou H, Yuan Y, Guo A, Li Y. Effects of mycorrhizae and water conditions on perennial ryegrass growth in rare earth tailings. RSC Adv 2019; 9:10881-10888. [PMID: 35515284 PMCID: PMC9062534 DOI: 10.1039/c8ra10442e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 03/27/2019] [Indexed: 11/21/2022] Open
Abstract
Mycorrhizal symbioses, which include plant roots and arbuscular mycorrhizal fungi (AMF), can significantly enhance plant resistance and promote the absorption of soil nutrients by plants. A greenhouse experiment was conducted to investigate the effects of three AMF species (Glomus mosses, Glomus etunicatum and Glomus versiforme) on the height, biomass, malondialdehyde (MDA) and proline contents and antioxidant enzyme activities of perennial ryegrass (Lolium perenne) under different water supply treatments. Potted experimental soil samples were collected from the abandoned rare earth tailings in Ganzhou, Jiangxi. The results showed that all three AMF species infected ryegrass under the different treatments. Under severe drought stress, G. mosses had the most significant effects on the promotion of ryegrass performance. After inoculation, the height and whole-plant biomass of ryegrass increased by 60.44% and 150%, respectively. In addition, inoculation with AMF significantly reduced the content of MDA and proline in the ryegrass leaves in all water supply treatments except the moderate drought stress treatment, in which there was no effect. The leaf antioxidant enzyme activity was also measured. The results showed that under severe drought stress, inoculation with Glomus mosses significantly increased the activities of CAT and SOD in ryegrass and enhanced the resistance of plants. A possible reason that AMF promotes host plant growth and enhances drought resistance is that AMF directly increases the absorption of soil water and minerals by host plant roots and indirectly improves the physiological metabolism of plants.
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Affiliation(s)
- Qiao Yang
- School of Land Science and Technology, China University of Geosciences Beijing 100083 P. R. China
| | - Zhongqiu Zhao
- School of Land Science and Technology, China University of Geosciences Beijing 100083 P. R. China
- Key Laboratory of Land Consolidation and Rehabilitation Ministry of Land and Resources Beijing 100035 China
| | - Zhongke Bai
- School of Land Science and Technology, China University of Geosciences Beijing 100083 P. R. China
- Key Laboratory of Land Consolidation and Rehabilitation Ministry of Land and Resources Beijing 100035 China
| | - Hong Hou
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences Beijing 100012 China
| | - Ye Yuan
- School of Land Science and Technology, China University of Geosciences Beijing 100083 P. R. China
| | - Anning Guo
- School of Land Science and Technology, China University of Geosciences Beijing 100083 P. R. China
| | - Yufeng Li
- School of Land Science and Technology, China University of Geosciences Beijing 100083 P. R. China
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23
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Zhang Y, Li D, Zhou R, Wang X, Dossa K, Wang L, Zhang Y, Yu J, Gong H, Zhang X, You J. Transcriptome and metabolome analyses of two contrasting sesame genotypes reveal the crucial biological pathways involved in rapid adaptive response to salt stress. BMC PLANT BIOLOGY 2019; 19:66. [PMID: 30744558 PMCID: PMC6371534 DOI: 10.1186/s12870-019-1665-6] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 01/29/2019] [Indexed: 05/20/2023]
Abstract
BACKGROUND Soil salinity is one of the major serious factors that affect agricultural productivity of almost all crops worldwide, including the important oilseed crop sesame. In order to improve salinity resistance in sesame, it is crucial to understand the molecular mechanisms underlying the adaptive response to salinity stress. RESULTS In the present study, two contrasting sesame genotypes differing in salt tolerance were used to decipher the adaptive responses to salt stress based on morphological, transcriptome and metabolome characterizations. Morphological results indicated that under salt stress, the salt-tolerant (ST) genotype has enhanced capacity to withstand salinity stress, higher seed germination rate and plant survival rate, as well as better growth rate than the salt-sensitive genotype. Transcriptome analysis revealed strongly induced salt-responsive genes in sesame mainly related to amino acid metabolism, carbohydrate metabolism, biosynthesis of secondary metabolites, plant hormone signal transduction, and oxidation-reduction process. Especially, several pathways were preferably enriched with differentially expressed genes in ST genotype, including alanine, aspartate and glutamate metabolism, carotenoid biosynthesis, galactose metabolism, glycolysis/gluconeogenesis, glyoxylate and dicarboxylate metabolism, porphyrin and chlorophyll metabolism. Metabolome profiling under salt stress showed a higher accumulation degree of metabolites involved in stress tolerance in ST, and further highlighted that the amino acid metabolism, and sucrose and raffinose family oligosaccharides metabolism were enhanced in ST. CONCLUSIONS These findings suggest that the candidate genes and metabolites involved in crucial biological pathways may regulate salt tolerance of sesame, and increase our understanding of the molecular mechanisms underlying the adaptation of sesame to salt stress.
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Affiliation(s)
- Yujuan Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
- Cotton Research Center, Shandong Academy of Agricultural Sciences, Jinan, 250100 China
| | - Donghua Li
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
| | - Rong Zhou
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
| | - Xiao Wang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
| | - Komivi Dossa
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
- Centre d’Etude Régional pour l’Amélioration de l’Adaptation à la Sécheresse (CERAAS), Route de Khombole, 3320 Thiès, BP Senegal
| | - Linhai Wang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
| | - Yanxin Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
| | - Jingyin Yu
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
| | - Huihui Gong
- Cotton Research Center, Shandong Academy of Agricultural Sciences, Jinan, 250100 China
| | - Xiurong Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
| | - Jun You
- Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of Agriculture and Rural Affairs, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, 430062 China
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Turrini A, Avio L, Giovannetti M, Agnolucci M. Functional Complementarity of Arbuscular Mycorrhizal Fungi and Associated Microbiota: The Challenge of Translational Research. FRONTIERS IN PLANT SCIENCE 2018; 9:1407. [PMID: 30319670 PMCID: PMC6166391 DOI: 10.3389/fpls.2018.01407] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 09/05/2018] [Indexed: 05/15/2023]
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