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Dong B, Meng D, Song Z, Cao H, Du T, Qi M, Wang S, Xue J, Yang Q, Fu Y. CcNFYB3-CcMATE35 and LncRNA CcLTCS-CcCS modules jointly regulate the efflux and synthesis of citrate to enhance aluminium tolerance in pigeon pea. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:181-199. [PMID: 37776153 PMCID: PMC10754017 DOI: 10.1111/pbi.14179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 09/03/2023] [Accepted: 09/10/2023] [Indexed: 10/01/2023]
Abstract
Aluminium (Al) toxicity decreases crop production in acid soils in general, but many crops have evolved complex mechanisms to resist it. However, our current understanding of how plants cope with Al stress and perform Al resistance is still at the initial stage. In this study, the citrate transporter CcMATE35 was identified to be involved in Al stress response. The release of citrate was increased substantially in CcMATE35 over-expression (OE) lines under Al stress, indicating enhanced Al resistance. It was demonstrated that transcription factor CcNFYB3 regulated the expression of CcMATE35, promoting the release of citrate from roots to increase Al resistance in pigeon pea. We also found that a Long noncoding RNA Targeting Citrate Synthase (CcLTCS) is involved in Al resistance in pigeon pea. Compared with controls, overexpression of CcLTCS elevated the expression level of the Citrate Synthase gene (CcCS), leading to increases in root citrate level and citrate release, which forms another module to regulate Al resistance in pigeon pea. Simultaneous overexpression of CcNFYB3 and CcLTCS further increased Al resistance. Taken together, these findings suggest that the two modules, CcNFYB3-CcMATE35 and CcLTCS-CcCS, jointly regulate the efflux and synthesis of citrate and may play an important role in enhancing the resistance of pigeon pea under Al stress.
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Affiliation(s)
- Biying Dong
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Dong Meng
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Zhihua Song
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Hongyan Cao
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Tingting Du
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Meng Qi
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Shengjie Wang
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Jingyi Xue
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Qing Yang
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
| | - Yujie Fu
- State Key Laboratory of Efficient Production of Forest ResourcesBeijing Forestry UniversityBeijingChina
- The Key Laboratory for Silviculture and Conservation of Ministry of EducationBeijing Forestry UniversityBeijingChina
- Ecological Observation and Research Station of Heilongjiang Sanjiang Plain WetlandsNational Forestry and Grassland Administration, Beijing Forestry UniversityBeijingChina
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Mago M, Gupta R, Yadav A, Kumar Garg V. Sustainable treatment and nutrient recovery from leafy waste through vermicomposting. BIORESOURCE TECHNOLOGY 2022; 347:126390. [PMID: 34822988 DOI: 10.1016/j.biortech.2021.126390] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/14/2021] [Accepted: 11/16/2021] [Indexed: 06/13/2023]
Abstract
The present investigation was carried out to evaluate the vermicomposting potential of two cruciferous vegetables' residual biomasses under laboratory conditions. Cabbage and cauliflower residual biomasses were spiked with 60% cow dung and vermicomposted for 90 days. The results showed a decrease in pH (5.3-9.8%), Total Organic Carbon (36.7-42.8%); increase in Electrical Conductivity (33-99.4%) and ash content (144.7-187.8%) after vermicomposting. Significant reduction in C:N ratio (49.5-76.4%) and C:P ratio (62.8-66.04%), increase in Total Kjeldahl Nitrogen (49.3-85.3%), Total Available Phosphorus (68.2-98.1%), Total Potassium (91.8-120.3%) were observed. FT-IR spectra of the vermicomposts had lesser band heights and peak intensities than raw materials. This evidenced decomposition of organic compounds and vermicompost stability. Germination Index values was calculated to determine the phytotoxicity level. Earthworms' growth and prolificacy was evaluated in terms of biomass gain, cocoons production and worm growth rate. Finally, it was inferred that cruciferous vegetables' biomass can be used for vermicomposting. The cauliflower residual biomass has shown better decomposition efficiency than cabbage residual biomass.
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Affiliation(s)
- Monika Mago
- J.C. Bose University of Science and Technology, YMCA, Faridabad 121006, India
| | - Renuka Gupta
- J.C. Bose University of Science and Technology, YMCA, Faridabad 121006, India
| | - Anoop Yadav
- Central University of Haryana, Mahendergarh, India
| | - Vinod Kumar Garg
- Department of Environmental Science and Technology, Central University of Punjab, Bathinda, India
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Kose M, Melts I, Heinsoo K. Medicinal Plants in Semi-Natural Grasslands: Impact of Management. PLANTS 2022; 11:plants11030353. [PMID: 35161334 PMCID: PMC8839640 DOI: 10.3390/plants11030353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 01/12/2022] [Accepted: 01/19/2022] [Indexed: 11/16/2022]
Abstract
Semi-natural grasslands (SNG) are valuable for their high biodiversity, cultural and landscape values. Quantitative information about medicinal plants (MP) in SNG facilitates the evaluation of ecosystem services of these habitats. Different literature sources were used to assess the ratio and frequency of MP species in several Estonian SNG and to evaluate the impact of management on these values. Lists of MP species according to different MP definition scenarios are available. The ratio of MP species in the local plant species list was the largest in alvars, followed by floodplain and wooded meadows. The average number of MP species in wooded meadows and alvars was about twice of that found in naturally growing broadleaved forest (according to the most detailed MP species list, 7.2, 7.8 and 4.3 plot−1, respectively). Fertilization of wooded meadows had no significant impact on MP species ratio, but decreased the percentage of MP biomass. Coastal meadows had few MP species and the impact of management quality depended on adopted MP scenarios. Comparison of Ellenberg indicator values revealed that MP species were more drought-tolerant, with higher commonness and more anthropophyte than the rest of studied grassland species.
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Das S, Sarkar S, Das M, Banik P, Bhattacharya SS. Influence of soil quality factors on capsaicin biosynthesis, pungency, yield, and produce quality of chili: An insight on Csy1, Pun1, and Pun1 2 signaling responses. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 166:427-436. [PMID: 34157605 DOI: 10.1016/j.plaphy.2021.06.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 06/07/2021] [Indexed: 06/13/2023]
Abstract
Hotness or pungency is the major trait of genetically diverse and economically valuable chili (Capsicum sp.) cultivars. However, little is known about the influence of soil characteristics on genetic regulation of pungency vis-à-vis capsaicin formation in endemic chilies. Hence, the present work was conducted by growing two endemic chili cultivars in two types (alluvial and lateritic) of soil. Capsaicin content, pungency, and capsaicin synthase activity were significantly greater in chilies grown in alluvial soil than in lateritic soil. Correspondingly, Csy1, the gene that encodes capsaicin synthase, was significantly upregulated in alluvial soil grown plants. Interestingly, upregulation of Pun1, the gene responsible for capsaicin accumulation in fruits, was more in lateritic soil than in alluvial soil; but pungency was inhibited in lateritic soil by the overexpression of Pun12, a recessive allele of Pun1 locus. Statistical analyses revealed that high organic C, microbial activity, and NPK status in alluvial soil were responsible for high pungency, capsaicin synthase activity, capsaicin accumulation, and suppression of Pun12. Fruit yield, dry matter, crude protein, titratable acidity, and soluble solids were also significantly high in chilies grown in alluvial soil. Therefore, we postulate that soil quality attributes play vital roles in genetic regulation of pungency, capsaicin biosynthesis, fruit yield, and produce quality of endemic chili cultivars.
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Affiliation(s)
- Subhasish Das
- Department of Environmental Science, Mizoram University (Pachhunga University College), Aizawl, 796001, India
| | - Subhasree Sarkar
- Department of Zoology, Siksha Bhavana, Visva Bharati, Santiniketan, 731 235, India
| | - Maneka Das
- Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India
| | - Pabitra Banik
- Agricultural and Ecological Research Unit, Indian Statistical Institute, Kolkata, India
| | - Satya Sundar Bhattacharya
- Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India.
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Das D, Deka H. Vermicomposting of harvested waste biomass of potato crop employing Eisenia fetida: changes in nutrient profile and assessment of the maturity of the end products. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:35717-35727. [PMID: 33677665 DOI: 10.1007/s11356-021-13214-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 02/25/2021] [Indexed: 06/12/2023]
Abstract
The vermicomposting potential of waste biomass of potato crops that are generated at the time of harvesting was studied employing Eisenia fetida. The experiment was carried out in pots, and two treatments were applied during the study. In the first treatment, only potato plant biomass (PPB) was taken as the raw materials; whereas in the second treatment, a mixture of PPB with cow dung was engaged in the proportion of 5:1. The vermicomposted materials showed a reduction in C/N ratio, humification index, enhancement in nutrients profiles, ash contents, nitrogen-fixing, phosphate, and potassium solubilizing bacterial population. The macronutrient enhancement in the vermicompost samples was recorded 3.8-4.4-fold for total N, 5-5.6-fold in available P, 1.6-fold in total K, 5.2-6.2-fold in total Ca, and 1.6-fold in total Mg contents. The reduction in C/N was found in the range of 92.5-94.4% in the vermicompost samples. The scanning electron microscope (SEM) images showed higher disintegration in the vermicompost products when compared with initial raw material and compost samples. The addition of cow dung significantly enhanced the quality and quantity of vermicompost final products besides positively affecting the earthworm population and biomass by the end of 60 days of experimental trials.
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Affiliation(s)
- Dimbeswar Das
- Ecology and Environmental Remediation Laboratory, Department of Botany, Gauhati University, Guwahati-14, Assam, India
| | - Hemen Deka
- Ecology and Environmental Remediation Laboratory, Department of Botany, Gauhati University, Guwahati-14, Assam, India.
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Chen Z, Sun Y, Wang G, Zhang Y, Zhang Q, Zhang Y, Li J, Wang Y. De novo biosynthesis of C-arabinosylated flavones by utilization of indica rice C-glycosyltransferases. BIORESOUR BIOPROCESS 2021; 8:49. [PMID: 34150466 PMCID: PMC8196924 DOI: 10.1186/s40643-021-00404-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/07/2021] [Indexed: 12/16/2022] Open
Abstract
Flavone C-arabinosides/xylosides are plant-originated glycoconjugates with various bioactivities. However, the potential utility of these molecules is hindered by their low abundance in nature. Engineering biosynthesis pathway in heterologous bacterial chassis provides a sustainable source of these C-glycosides. We previously reported bifunctional C-glucosyl/C-arabinosyltransferases in Oryza sativa japonica and O. sativa indica, which influence the C-glycoside spectrum in different rice varieties. In this study, we proved the C-arabinosyl-transferring activity of rice C-glycosyltransferases (CGTs) on the mono-C-glucoside substrate nothofagin, followed by taking advantage of specific CGTs and introducing heterologous UDP-pentose supply, to realize the production of eight different C-arabinosides/xylosides in recombinant E. coli. Fed-batch fermentation and precursor supplement maximized the titer of rice-originated C-arabinosides to 20–110 mg/L in an E. coli chassis. The optimized final titer of schaftoside and apigenin di-C-arabinoside reached 19.87 and 113.16 mg/L, respectively. We demonstrate here the success of de novo bio-production of C-arabinosylated and C-xylosylated flavones by heterologous pathway reconstitution. These results lay a foundation for further optimal manufacture of complex flavonoid compounds in microbial cell factories. ![]()
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Affiliation(s)
- Zhuo Chen
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China.,University of Chinese Academy of Sciences, Beijing, 100039 China
| | - Yuwei Sun
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China
| | - Guangyi Wang
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China.,University of Chinese Academy of Sciences, Beijing, 100039 China
| | - Ying Zhang
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China.,University of Chinese Academy of Sciences, Beijing, 100039 China
| | - Qian Zhang
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China.,University of Chinese Academy of Sciences, Beijing, 100039 China
| | - Yulian Zhang
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China.,University of Chinese Academy of Sciences, Beijing, 100039 China
| | - Jianhua Li
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China
| | - Yong Wang
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032 China
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Guo Z, Zhu P, He X, Yan T, Liang X. Components identification and isomers differentiation in pigeon pea (Cajanus cajan L.) leaves by LC-MS. J Sep Sci 2021; 44:2510-2523. [PMID: 33830649 DOI: 10.1002/jssc.202001194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 03/12/2021] [Accepted: 04/05/2021] [Indexed: 02/03/2023]
Abstract
A valid and reliable method based on ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry using electrospray ionization was established to identify chemical constituents in the ethanol extract of pigeon pea leaves. A total of 58 compounds were detected both in positive and negative modes. Among them, 42 compounds, including 16 flavones, 1 flavonol, 5 flavanones, 9 isoflavones, 1 coumarin, 1 lactone, 6 stilbenes, 2 chalcones, and 1 other compound, were unambiguously identified or tentatively assigned in view of the retention time, the molecular formula, as well as the fragmentation patterns. Moreover, eight sets of isomers were differentiated by the ion trap mass spectrometry based on the fragment ion differences or the abundance differences of the same fragment ions. The energy-resolved mass spectrometry in light of the relative abundance of characteristic fragment ions was adopted in the study.
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Affiliation(s)
- Zili Guo
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Peixi Zhu
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Xiaoai He
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Tianhe Yan
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, P. R. China
| | - Xianrui Liang
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, P. R. China
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Dos Santos NA, de Almeida CM, Gonçalves FF, Ortiz RS, Kuster RM, Saquetto D, Romão W. Analysis of Erythroxylum coca Leaves by Imaging Mass Spectrometry (MALDI-FT-ICR IMS). JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:946-955. [PMID: 33715356 DOI: 10.1021/jasms.0c00449] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Matrix-assisted laser desorption/ionization imaging mass spectrometry (MALDI IMS) can determine the chemical identity and spatial distribution of several molecules in a single analysis, conserving its natural histology. However, there are no specific studies on the spatial distribution of alkaloids in Erythroxylum coca leaves by MALDI IMS, preserving the histology of the monitored compounds. Therefore, in this work, positive-ion mode MALDI Fourier-transform ion cyclotron resonance imaging mass spectrometry (MALDI(+)FT-ICR IMS) was applied to identify and analyze the distribution of alkaloids on the surface of coca leaves, evaluating the ionization efficiency of three matrices (α-cyano-4-hydroxycinnamic acid (CHCA), 2-mercaptobenzothiazole (MBT), and 2,5-dihydroxybenzoic acid (DHB)). The last was chosen as the best matrix in this study, and it was studied in five concentrations (0.5, 1.0, 2.0, 4.0, and 8.0 mg·mL-1), where 2 mg·mL-1 was the most efficient. The washing of coca leaves with the organic solvents (acetonitrile, methanol, toluene, and dichloromethane) tested did not improve the performance of the ionization process. Finally, a tissue section, 50 μm thick, was used to study the inner part of the leaf tissue, where alkaloids and flavonoid molecules were detected.
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Affiliation(s)
- Nayara Araujo Dos Santos
- Laboratório de Petroleômica e Forense, Universidade Federal do Espírito Santo (UFES), Avenida Fernando Ferrari, 514, Goiabeiras, Vitória, ES 29075-910, Brazil
- Instituto Nacional de Ciência e Tecnologia Forense (INCT Forense), Av. Ministro Salgado Filho, Soteco, Vila Velha, Espírito Santo 29106-010, Brazil
| | - Camila Medeiros de Almeida
- Laboratório de Petroleômica e Forense, Universidade Federal do Espírito Santo (UFES), Avenida Fernando Ferrari, 514, Goiabeiras, Vitória, ES 29075-910, Brazil
- Instituto Nacional de Ciência e Tecnologia Forense (INCT Forense), Av. Ministro Salgado Filho, Soteco, Vila Velha, Espírito Santo 29106-010, Brazil
| | - Fernanda Fachim Gonçalves
- Laboratório de Petroleômica e Forense, Universidade Federal do Espírito Santo (UFES), Avenida Fernando Ferrari, 514, Goiabeiras, Vitória, ES 29075-910, Brazil
| | - Rafael Scorsatto Ortiz
- Instituto Nacional de Ciência e Tecnologia Forense (INCT Forense), Av. Ministro Salgado Filho, Soteco, Vila Velha, Espírito Santo 29106-010, Brazil
- Superintendência da Polícia Federal no Rio Grande Sul, Porto Alegre, RS 90040-410, Brazil
| | - Ricardo Machado Kuster
- Laboratório de Petroleômica e Forense, Universidade Federal do Espírito Santo (UFES), Avenida Fernando Ferrari, 514, Goiabeiras, Vitória, ES 29075-910, Brazil
| | - Diemerson Saquetto
- Instituto Federal de Educação, Ciência e Tecnologia do Espírito Santo (IFES), Av. Ministro Salgado Filho, Soteco, Vila Velha, Espírito Santo 29106-010, Brazil
| | - Wanderson Romão
- Laboratório de Petroleômica e Forense, Universidade Federal do Espírito Santo (UFES), Avenida Fernando Ferrari, 514, Goiabeiras, Vitória, ES 29075-910, Brazil
- Instituto Nacional de Ciência e Tecnologia Forense (INCT Forense), Av. Ministro Salgado Filho, Soteco, Vila Velha, Espírito Santo 29106-010, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Espírito Santo (IFES), Av. Ministro Salgado Filho, Soteco, Vila Velha, Espírito Santo 29106-010, Brazil
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Das S, Barman S, Teron R, Bhattacharya SS, Kim KH. Secondary metabolites and anti-microbial/anti-oxidant profiles in Ocimum spp.: Role of soil physico-chemical characteristics as eliciting factors. ENVIRONMENTAL RESEARCH 2020; 188:109749. [PMID: 32531524 DOI: 10.1016/j.envres.2020.109749] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 04/23/2020] [Accepted: 05/26/2020] [Indexed: 05/27/2023]
Abstract
Ocimum has long been used as a medicinal plant, although little information is available about its bioactive ingredients, and the influence of soil properties on modulation of secondary metabolites in Ocimum has yet to be ascertained. In this study, we present a thorough survey of all potential metabolic compounds in O. sanctum and O. basilicum. In both species, certain compounds (e.g., quercetin, kaempferol, catechin, and S-adenosyl homocysteine) were detected coincidently. In the case of O. basilicum, other vital phenolic acids (e.g., ursolic, vanilic, coumaric, and syringic acids) were identified. The aqueous extracts (AEs) of Ocimum recorded decrease of 6-94% in the proliferation of pathogenic bacteria (e.g., Listeria monocytogenes, Staphylococcus sp., Salmonella sp., and Bacillus sp.). The AEs also showed effective antioxidant activity by reducing free radicals by a factor of 1.04-1.13. Root-zone soil samples of both Ocimum spp. were collected from strategic locations with varying levels of key soil attributes (e.g., soil organic carbon (SOC), microbial biomass carbon (MBC), urease, and phosphatase). At high levels of SOC, MBC, and soil enzymes, the bioactivity of Ocimum spp. was observed to be promoted, especially with respect to secondary metabolite expression, anti-pathogenic activity, and anti-oxidant properties. As such, the findings of strong correlations between secondary metabolite concentrations and bioactivity attributes in Ocimum suggest the potent role of soil quality in eliciting the production of secondary metabolite in association with bioactivity in Ocimum spp.
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Affiliation(s)
- Subhasish Das
- Department of Environmental Science, Pachhunga University College, Mizoram University, Aizawl, 796001, India.
| | - Soma Barman
- Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India
| | - Rangbamon Teron
- Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India
| | - Satya Sundar Bhattacharya
- Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India.
| | - Ki-Hyun Kim
- Dept. of Civil and Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, South Korea.
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Das S, Teron R, Duary B, Bhattacharya SS, Kim KH. Assessing C-N balance and soil rejuvenation capacity of vermicompost application in a degraded landscape: A study in an alluvial river basin with Cajanus cajan. ENVIRONMENTAL RESEARCH 2019; 177:108591. [PMID: 31351322 DOI: 10.1016/j.envres.2019.108591] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 07/12/2019] [Accepted: 07/15/2019] [Indexed: 06/10/2023]
Abstract
The value and potential of organic-dependent agriculture has gradually become realized worldwide despite scarcity of data on its ability to rejuvenate land quality. In this work, a popular cultivar of Cajanus cajan was grown in a nutrient-fatigued area with vermicompost (VC) and farmyard manure (FYM) to partially replace chemical fertilization (CF) (reduced by 10 and 50%) over a four-year period. C-N mineralization kinetic equations were applied for the first time to assess the efficacy of vermicompost-based nutrient schemes on C-N balance in arable soil. The results suggested that 10 and 50% replacement of chemical fertilization with vermicompost was helpful to significantly improveC- and N-based mineralization in the cultivated soil. In addition, the gains of humified C (humic and fulvic acid) content (such as 4-and 10-fold increases) were achieved under CF50/VC50 and CF90/VC10 treatments, respectively. In the CF50/VC50 treatment, there was apparent improvement in soil organic C storage (SOCstr) (42.6-57.4%), water holding capacity, and microbial health along with reduction in bulk density (6.10-13.0%). Moreover, improvement in soil quality was strongly evident in terms of crop production with the application of CF50/VC50. Overall, this study successfully validated that vermicompost can be used effectively to achieve sustainable agricultural growth by efficiently arresting land degradation.
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Affiliation(s)
- Subhasish Das
- School of Earth Science, Banasthali Vidyapith, Vanasthali, 304022, Rajasthan, India; Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India
| | - Rangbamon Teron
- Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India
| | - Buddhadeb Duary
- Department of Agronomy, Institute of Agriculture, Visva- Bharati, Sriniketan, 731236, West Bengal, India
| | - Satya Sundar Bhattacharya
- Soil and Agro Bio-engineering Lab, Department of Environmental Science, Tezpur University, Tezpur, 784 028, India.
| | - Ki-Hyun Kim
- Department of Civil & Environmental Engineering, 222 Wangsimni-Ro, Seoul, 04763, South Korea.
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Mupondi LT, Mnkeni PNS, Muchaonyerwa P, Mupambwa HA. Vermicomposting manure-paper mixture with igneous rock phosphate enhances biodegradation, phosphorus bioavailability and reduces heavy metal concentrations. Heliyon 2018; 4:e00749. [PMID: 30148221 PMCID: PMC6106700 DOI: 10.1016/j.heliyon.2018.e00749] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 05/25/2018] [Accepted: 08/17/2018] [Indexed: 01/07/2023] Open
Abstract
In organic soil fertility management, rock phosphate (RP) is gaining momentum as an acceptable phosphorus source, though much of this P is not bioavailable for plant uptake, particularly in igneous RP. This study evaluated the nutrient solubilization, biodegradation and heavy metal concentration when cow dung – waste paper mixture amended with increasing rates of igneous RP was vermicomposted with E. fetida. The cow dung was optimized to a C/N ratio of 30 using waste paper and amended with RP to provide 0%; 2%; 4% and 8% of elemental phosphorus on a dry w/w basis. Incorporation of RP at 2% and 8% P enhanced compost biodegradation resulting in a 12% and 22% significantly (P < 0.001) lower final C/N ratio, respectively, compared to the control; together with higher humification parameters. Amending the cow dung – waste paper mixture with 2%, 4% and 8% P as rock phosphate, resulted in a 39%; 50% and 65% more resin extractable P, respectively, relative to the control. Similarly, the bicarbonate extractable P, which represents the bioavailable P fraction, increased consistently by 19%; 28% and 33% following 2%, 4% and 8% RP application, respectively. Though incorporation of RP initially resulted in increased heavy metal levels, reductions of 40%; 35%; 35%; 40% and 45% for Cr, Cu, Cd, Pb and Zn, respectively, were observed in the 8% RP treatment after 8 weeks, due to the presence of earthworms. Vermicomposting with E. fetida significantly reduced heavy metals to levels below the maximum permissible concentration of potentially toxic elements in soils after 8 weeks. This study demonstrates the potential of optimized vermicomposting with igneous RP for generating nutrient rich organic fertilizers.
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Affiliation(s)
- Lushian Tapiwa Mupondi
- Department of Agronomy, Faculty of Science and Agriculture, University of Fort Hare, P. Bag X1314, Alice, South Africa
| | - Pearson Nyari Stephano Mnkeni
- Department of Agronomy, Faculty of Science and Agriculture, University of Fort Hare, P. Bag X1314, Alice, South Africa
- Corresponding author.
| | - Pardon Muchaonyerwa
- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P. Bag X01, Scottsville, South Africa
| | - Hupenyu Allan Mupambwa
- Sam Nujoma Marine and Coastal Resources Research Centre, Sam Nujoma Campus, University of Namibia, P. O. Box 462, Henties Bay, Namibia
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