1
|
Mikheev VS, Struchkova IV, Churkina LM, Brilkina AA, Berezina EV. Several Characteristics of Oidiodendron maius G.L. Barron Important for Heather Plants' Controlled Mycorrhization. J Fungi (Basel) 2023; 9:728. [PMID: 37504716 PMCID: PMC10381259 DOI: 10.3390/jof9070728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/03/2023] [Accepted: 07/03/2023] [Indexed: 07/29/2023] Open
Abstract
Oidiodendron maius G.L. Barron is a recognized fungal species capable of forming ericoid mycorrhiza with various positive effects on host plants; therefore, newly found and previously uncharacterized O. maius strains may be valuable for heather plants' controlled mycorrhization. Characteristics of the O. maius F3860 strain were studied, i.e., mycelium growth on various nutrient media and the ability to secrete auxins and enzymes. O. maius F3860 grew rapidly on malt extract agar and potato dextrose agar. It was also able to grow on nutrient media suitable for heather plant cultivation. The presence of the flavonoids rutin and quercetin increased the mycelium growth rate compared to the control, starting from the 8th to the 13th days of cultivation. The ability to secrete auxins was confirmed with bioassay and thin-layer chromatography, and their content, as well as phytase activity, was estimated spectrophotometrically. Both in nutrient media with tryptophan and without it, O. maius F3860 secreted about 6 μg IAA/mL growth medium. O. maius F3860 possessed extracellular phytase, protease, and phenol oxidase activities. The investigation indicates O. maius F3860's promise for heather seedling inoculation as an approach to increase their fitness.
Collapse
Affiliation(s)
- Vyacheslav S Mikheev
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603950 Nizhny Novgorod, Russia
| | - Irina V Struchkova
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603950 Nizhny Novgorod, Russia
- LLC "Mikofit", Internatsionalnaya 56b, 606440 Bor, Russia
| | - Ludmila M Churkina
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603950 Nizhny Novgorod, Russia
| | - Anna A Brilkina
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603950 Nizhny Novgorod, Russia
| | - Ekaterina V Berezina
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603950 Nizhny Novgorod, Russia
| |
Collapse
|
2
|
Luo Y, Chen Y, Wan Z, Zhou D, He Y. Molecular insights into the chemodiversity of dissolved organic matter and its interactions with the microbial community in eco-engineered bauxite residue. CHEMOSPHERE 2023; 330:138755. [PMID: 37088204 DOI: 10.1016/j.chemosphere.2023.138755] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 02/24/2023] [Accepted: 04/20/2023] [Indexed: 05/03/2023]
Abstract
Dissolved organic matter (DOM) plays an important role in the biogeochemical function development of bauxite residue. Nevertheless, the DOM composition at the molecular level and its interaction with microbial community during soil formation of bauxite residue driven by eco-engineering strategies are still relatively unknown. In the present study, the DOM composition at the molecular level and its interactions with the microbial community in amended and revegetated bauxite residue were explored. The results showed that the amendment applications and revegetation enhanced the accumulation of unsaturated molecules with high values of double bond equivalent (DBE) and nominal oxidation of carbon (NOSC) and aromatic compounds with high values of modified aromaticity index (AImod) as well as the reduction of average weighted molecular mass of DOM molecules. Significant correlations between DOM molecules and the microbial community and Fe/Al oxides were found. DOM molecules were decomposed by the microbial community and sequestered onto Fe/Al oxides, which were the main driving factors that changed DOM chemodiversity in the amended and revegetated bauxite residue. These findings are beneficial for understanding the biogeochemical behaviours of DOM and providing a critical basis for the development of eco-engineering strategies towards soil formation and the sustainable revegetation of bauxite residue.
Collapse
Affiliation(s)
- Youfa Luo
- Key Laboratory of Kast Georesources and Environment, Ministry of Education, Guizhou University, Guiyang, 550025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guizhou, University, Guiyang, 550025, China; Guizhou Hostile Environment Ecological Restoration Technology Engineering Research Centre, Guizhou University, Guiyang, 550025, China.
| | - Yulu Chen
- Key Laboratory of Kast Georesources and Environment, Ministry of Education, Guizhou University, Guiyang, 550025, China
| | - Zuyan Wan
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, China
| | - Dongran Zhou
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, China
| | - Yu He
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, China
| |
Collapse
|
3
|
The impact of polyphenolic compounds on the in vitro growth of oak-associated foliar endophytic and saprotrophic fungi. FUNGAL ECOL 2023. [DOI: 10.1016/j.funeco.2023.101226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
|
4
|
Eckardt J, Tondi G, Fanchin G, Lach A, Junker RR. Effect of Tannin Furanic Polymer in Comparison to Its Mimosa Tannin Extract on the Growth of Bacteria and White-Rot Fungi. Polymers (Basel) 2022; 15:polym15010175. [PMID: 36616525 PMCID: PMC9823910 DOI: 10.3390/polym15010175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/22/2022] [Accepted: 12/24/2022] [Indexed: 12/31/2022] Open
Abstract
Tannins are well-known to protect plants from bacteria and fungi, but nothing is known about its effects on microorganisms once they are copolymerized. Therefore, a study was conducted to evaluate the effect of a tannin−furanic polymer in comparison with industrial mimosa tannin extract on the in vitro growth of two strains of bacteria, Bacillaceae and Pseudomanadaceae, and two white-rot fungi, Trametes versicolor and Agrocybe aegerita. Results have highlighted that the tannin polymer did not inhibit the growth of tested bacteria and even favored the growth of Bacillaceae without extra glucose. The growth of both fungi was enhanced by mimosa tannin and its polymer at low concentrations (<1%), while concentrations above 10% had a growth-inhibiting effect, which was slightly less strong for the polymer compared to the tannin against Trametes versicolor. These findings highlighted that tannin−furanic polymers can be tolerated by certain microorganisms at low concentration and that their inhibitory effect is similar or slightly lower than that of the pristine tannin extract.
Collapse
Affiliation(s)
- Jonas Eckardt
- TESAF Department, University of Padua, Viale dell’Università 16, 35020 Legnaro, Italy
- Forest Products Technology and Timber Constructions Department, Salzburg University of Applied Sciences, Marktstrasse 136a, 5431 Kuchl, Austria
| | - Gianluca Tondi
- TESAF Department, University of Padua, Viale dell’Università 16, 35020 Legnaro, Italy
- Correspondence: ; Tel.: +39-049-827-2776
| | - Genny Fanchin
- TESAF Department, University of Padua, Viale dell’Università 16, 35020 Legnaro, Italy
| | - Alexander Lach
- Evolutionary Ecology of Plants, Biodiversity of Plants, Department of Biology, University of Marburg, Karl-von-Frisch-Str. 8, 35043 Marburg, Germany
| | - Robert R. Junker
- Evolutionary Ecology of Plants, Biodiversity of Plants, Department of Biology, University of Marburg, Karl-von-Frisch-Str. 8, 35043 Marburg, Germany
- Department of Biosciences, Paris-Lodron-University Salzburg, 5020 Salzburg, Austria
| |
Collapse
|
5
|
Jing W, Xiaolan C, Yu C, Feng Q, Haifeng Y. Pharmacological effects and mechanisms of tannic acid. Biomed Pharmacother 2022; 154:113561. [PMID: 36029537 DOI: 10.1016/j.biopha.2022.113561] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/04/2022] [Accepted: 08/14/2022] [Indexed: 12/18/2022] Open
Abstract
In recent years, increasing attention has been paid to the pharmacological efficacy of tannins. Tannic acid (TA), the simplest hydrolysable tannin that has been approved by the FDA as a safe food additive, is one of the most important components of these traditional medicines. Studies have shown that TA displays a wide range of pharmacological activities, such as anti-inflammatory, neuroprotective, antitumor, cardioprotective, and anti-pathogenic effects. Here, we summarize the known pharmacological effects and associated mechanisms of TA. We focus on the effect and mechanism of TA in various animal models of inflammatory disease and organ, brain, and cardiovascular injury. Moreover, we discuss the possible molecular targets and signaling pathways of TA, in addition to the pharmacological effects of TA-based nanoparticles and TA in combination with chemotherapeutic drugs.
Collapse
Affiliation(s)
- Wang Jing
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China.
| | - Chen Xiaolan
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China
| | - Chen Yu
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China
| | - Qin Feng
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-animal Husbandry Vocational College, Taizhou 225300, PR China
| | - Yang Haifeng
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China
| |
Collapse
|
6
|
Contrasting effects of extracts from invasive Reynoutria japonica on soil microbial biomass, activity, and community structure. Biol Invasions 2022. [DOI: 10.1007/s10530-022-02842-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
|
7
|
Green Biotechnology of Oyster Mushroom (Pleurotus ostreatus L.): A Sustainable Strategy for Myco-Remediation and Bio-Fermentation. SUSTAINABILITY 2022. [DOI: 10.3390/su14063667] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The field of biotechnology presents us with a great chance to use many organisms, such as mushrooms, to find suitable solutions for issues that include the accumulation of agro-wastes in the environment. The green biotechnology of mushrooms (Pleurotus ostreatus L.) includes the myco-remediation of polluted soil and water as well as bio-fermentation. The circular economy approach could be effectively achieved by using oyster mushrooms (Pleurotus ostreatus L.), of which the substrate of their cultivation is considered as a vital source for producing biofertilizers, animal feeds, bioenergy, and bio-remediators. Spent mushroom substrate is also considered a crucial source for many applications, including the production of enzymes (e.g., manganese peroxidase, laccase, and lignin peroxidase) and bioethanol. The sustainable management of agro-industrial wastes (e.g., plant-based foods, animal-based foods, and non-food industries) could reduce, reuse and recycle using oyster mushrooms. This review aims to focus on the biotechnological applications of the oyster mushroom (P. ostreatus L.) concerning the field of the myco-remediation of pollutants and the bio-fermentation of agro-industrial wastes as a sustainable approach to environmental protection. This study can open new windows onto the green synthesis of metal-nanoparticles, such as nano-silver, nano-TiO2 and nano-ZnO. More investigations are needed concerning the new biotechnological approaches.
Collapse
|
8
|
Shi H, Yang E, Yang H, Huang X, Zheng M, Chen X, Zhang J. Dynamic changes in the chemical composition and metabolite profiles of drumstick (Moringa oleifera Lam.) leaf flour during fermentation. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
9
|
Kumar A, Yadav AN, Mondal R, Kour D, Subrahmanyam G, Shabnam AA, Khan SA, Yadav KK, Sharma GK, Cabral-Pinto M, Fagodiya RK, Gupta DK, Hota S, Malyan SK. Myco-remediation: A mechanistic understanding of contaminants alleviation from natural environment and future prospect. CHEMOSPHERE 2021; 284:131325. [PMID: 34216922 DOI: 10.1016/j.chemosphere.2021.131325] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/19/2021] [Accepted: 06/22/2021] [Indexed: 06/13/2023]
Abstract
Industrialization and modernization of agricultural systems contaminated lithosphere, hydrosphere, and biosphere of the Earth. Sustainable remediation of contamination is essential for environmental sustainability. Myco-remediation is proposed to be a green, economical, and efficient technology over conventional remediation technologies to combat escalating pollution problems at a global scale. Fungi can perform remediation of pollutants through several mechanisms like biosorption, precipitation, biotransformation, and sequestration. Myco-remediation significantly removes or degrades metal metals, persistent organic pollutants, and other emerging pollutants. The current review highlights the species-specific remediation potential, influencing factors, genetic and molecular control mechanism, applicability merits to enhance the bioremediation efficiency. Structure and composition of fungal cell wall is crucial for immobilization of toxic pollutants and a subtle change on fungal cell wall structure may significantly affect the immobilization efficiency. The utilization protocol and applicability of enzyme engineering and myco-nanotechnology to enhance the bioremediation efficiency of any potential fungus was proposed. It is advocated that the association of hyper-accumulator plants with plant growth-promoting fungi could help in an effective cleanup strategy for the alleviation of persistent soil pollutants. The functions, activity, and regulation of fungal enzymes in myco-remediation practices required further research to enhance the myco-remediation potential. Study of the biotransformation mechanisms and risk assessment of the products formed are required to minimize environmental pollution. Recent advancements in molecular "Omic techniques"and biotechnological tools can further upgrade myco-remediation efficiency in polluted soils and water.
Collapse
Affiliation(s)
- Amit Kumar
- Central Muga Eri Research and Training Institute, Central Silk Board, Lahdoigarh, Jorhat, Assam, 785700, India
| | - Ajar Nath Yadav
- Department of Biotechnology, Dr. Khem Singh Gill Akal College of Agriculture, Eternal University, Baru Sahib, Sirmour, Himachal Pradesh, 173101, India
| | - Raju Mondal
- Central Sericultural Germplasm Resources Centre (CSGRC), Central Silk Board, Ministry of Textiles, Thally Road, Hosur, Tamil Nadu, 635109, India
| | - Divjot Kour
- Department of Biotechnology, Dr. Khem Singh Gill Akal College of Agriculture, Eternal University, Baru Sahib, Sirmour, Himachal Pradesh, 173101, India
| | - Gangavarapu Subrahmanyam
- Central Muga Eri Research and Training Institute, Central Silk Board, Lahdoigarh, Jorhat, Assam, 785700, India
| | - Aftab A Shabnam
- Central Muga Eri Research and Training Institute, Central Silk Board, Lahdoigarh, Jorhat, Assam, 785700, India
| | - Shakeel A Khan
- Centre for Environment Science and Climate Resilient Agriculture, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad, Bhopal, 462044, M.P., India.
| | - Gulshan Kumar Sharma
- ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Dadwara Kota 324002, Rajasthan, India
| | - Marina Cabral-Pinto
- Geobiotec Research Centre, Department of Geoscience, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Ram Kishor Fagodiya
- Division of Soil and Crop Management, ICAR-Central Soil Salinity Research Institute, Karnal, Haryana, 132001, India
| | - Dipak Kumar Gupta
- ICAR-Indian Agriculture Research Institute, Barhi, Hazaribagh, Jharkhand, 825411, India
| | - Surabhi Hota
- ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Dadwara Kota 324002, Rajasthan, India
| | - Sandeep K Malyan
- Research Management and Outreach Division, National Institute of Hydrology, Jalvigyan Bhawan, Roorkee, Uttarakhand, 247667, India
| |
Collapse
|
10
|
Li Y, Heal K, Wang S, Cao S, Zhou C. Chemodiversity of Soil Dissolved Organic Matter and Its Association With Soil Microbial Communities Along a Chronosequence of Chinese Fir Monoculture Plantations. Front Microbiol 2021; 12:729344. [PMID: 34745032 PMCID: PMC8566896 DOI: 10.3389/fmicb.2021.729344] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/17/2021] [Indexed: 11/13/2022] Open
Abstract
The total dissolved organic matter (DOM) content of soil changes after vegetation transformation, but the diversity of the underlying chemical composition has not been explored in detail. Characterizing the molecular diversity of DOM and its fate enables a better understanding of the soil quality of monoculture forest plantations. This study characterized the chemodiversity of soil DOM, assessed the variation of the soil microbial community composition, and identified specific linkages between DOM molecules and microbial community composition in soil samples from a 100-year chronosequence of Chinese fir monoculture plantations. With increasing plantation age, soil total carbon and dissolved organic carbon first decreased and then increased, while soil nutrients, such as available potassium and phosphorus and total nitrogen, potassium, and phosphorus, increased significantly. Lignin/carboxylic-rich alicyclic molecule (CRAM)-like structures accounted for the largest proportion of DOM, while aliphatic/proteins and carbohydrates showed a decreasing trend along the chronosequence. DOM high in H/C (such as lipids and aliphatic/proteins) degraded preferentially, while low-H/C DOM (such as lignin/CRAM-like structures and tannins) showed recalcitrance during stand development. Soil bacterial richness and diversity increased significantly as stand age increased, while soil fungal diversity tended to increase during early stand development and then decrease. The soil microbial community had a complex connectivity and strong interaction with DOM during stand development. Most bacterial phyla, such as Acidobacteria, Chloroflexi, and Firmicutes, were very significantly and positively correlated with DOM molecules. However, Verrucomicrobia and almost all fungi, such as Basidiomycota and Ascomycota, were significantly negatively correlated with DOM molecules. Overall, the community of soil microorganisms interacted closely with the compositional variability of DOM in the monoculture plantations investigated, both by producing and consuming DOM. This suggests that DOM is not intrinsically recalcitrant but instead persists in soils as a result of simultaneous consumption, transformation, and formation by soil microorganisms with extended stand ages of Chinese fir plantations.
Collapse
Affiliation(s)
- Ying Li
- University Engineering Research Center of Sustainable Plantation Management, Forestry College, Fujian Agriculture and Forestry University, Fuzhou, China.,Institute of Quality Standards and Testing Technology for Agro-Products, Fujian Academy of Agricultural Sciences, Fuzhou, China
| | - Kate Heal
- School of GeoSciences, The University of Edinburgh, Edinburgh, United Kingdom
| | - Shuzhen Wang
- University Engineering Research Center of Sustainable Plantation Management, Forestry College, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Sheng Cao
- University Engineering Research Center of Sustainable Plantation Management, Forestry College, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Chuifan Zhou
- University Engineering Research Center of Sustainable Plantation Management, Forestry College, Fujian Agriculture and Forestry University, Fuzhou, China
| |
Collapse
|
11
|
Tannery Wastewater Recalcitrant Compounds Foster the Selection of Fungi in Non-Sterile Conditions: A Pilot Scale Long-Term Test. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18126348. [PMID: 34208177 PMCID: PMC8296185 DOI: 10.3390/ijerph18126348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/08/2021] [Accepted: 06/08/2021] [Indexed: 11/23/2022]
Abstract
This study demonstrated that a microbial community dominated by fungi can be selected and maintained in the long-term under non-sterile conditions, in a pilot-scale packed-bed reactor fed with tannery wastewater. During the start-up phase, the reactor, filled with 0.6 m3 of polyurethane foam cubes, was inoculated with a pure culture of Aspergillus tubingensis and Quebracho tannin, a recalcitrant compound widely used by tannery industry, was used as sole carbon source in the feeding. During the start-up, fungi grew attached as biofilm in carriers that filled the packed-bed reactor. Subsequently, the reactor was tested for the removal of chemical oxygen demand (COD) from an exhaust tanning bath collected from tanneries. The entire experiment lasted 121 days and average removals of 29% and 23% of COD and dissolved organic carbon (DOC) from the tannins bath were achieved, respectively. The evolution of the microbial consortium (bacteria and fungi) was described through biomolecular analyses along the experiment and also developed as a function of the size of the support media.
Collapse
|
12
|
Karonen M, Imran IB, Engström MT, Salminen JP. Characterization of Natural and Alkaline-Oxidized Proanthocyanidins in Plant Extracts by Ultrahigh-Resolution UHPLC-MS/MS. Molecules 2021; 26:molecules26071873. [PMID: 33810382 PMCID: PMC8037856 DOI: 10.3390/molecules26071873] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 11/16/2022] Open
Abstract
In this study, we analyzed the proanthocyanidin (PA) composition of 55 plant extracts before and after alkaline oxidation by ultrahigh-resolution UHPLC-MS/MS. We characterized the natural PA structures in detail and studied the sophisticated changes in the modified PA structures and the typical patterns and models of reactions within different PA classes due to the oxidation. The natural PAs were A- and B-type PCs, PDs and PC/PD mixtures. In addition, we detected galloylated PAs. B-type PCs in different plant extracts were rather stable and showed no or minor modification due to the alkaline oxidation. For some samples, we detected the intramolecular reactions of PCs producing A-type ether linkages. A-type PCs were also rather stable with no or minor modification, but in some plants, the formation of additional ether linkages was detected. PAs containing PD units were more reactive. After alkaline oxidation, these PAs or their oxidation products were no longer detected by MS even though a different type and/or delayed PA hump was still detected by UV at 280 nm. Galloylated PAs were rather stable under alkaline oxidation if they were PC-based, but we detected the intramolecular conversion from B-type to A-type. Galloylated PDs were more reactive and reacted similarly to nongalloylated PDs.
Collapse
|
13
|
Tian L, Wang L. Multi-omics analysis reveals structure and function of biofilm microbial communities in a pre-denitrification biofilter. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 757:143908. [PMID: 33316516 DOI: 10.1016/j.scitotenv.2020.143908] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/16/2020] [Accepted: 11/17/2020] [Indexed: 06/12/2023]
Abstract
The highly complex microbial communities in biofilm play crucial roles in the pollutant removal performance of wastewater treatment plants (WWTPs). In the present study, using multi-omics analysis, we studied microbial structure, key enzymes, functional traits, and key metabolic pathways of pre-denitrification biofilter in an urban WWTP in China. The analysis results of metagenomic and metaproteomic showed that Betaproteobacteria and Flavobacteriia were dominant in biofilms. The integrated metagenomic and metaproteomic data showed that the expression of nitrogen metabolism genes was high, and the high proportion of denitrification module indicating that denitrification was the main nitrogen removal pathway. The most abundant denitrifying bacterial genera were: Dechloromonas, Acidovorax, Bosea, Polaromonas, and Chryseobacterium. And microorganisms with denitrification potential may not be able to denitrify in the actual operation of the filter. The integrated analysis of metaproteomic and metabolomic showed that there was a correlation between biofilm microorganisms and metabolites. Metabolomic analysis indicated that metabolic profiles of biofilms varied with layer height. This study provides the first detailed microbial communities and metabolic profiles in a full-scale pre-denitrification biofilter and clarifies the mechanism of denitrification.
Collapse
Affiliation(s)
- Lu Tian
- College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Lin Wang
- College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China.
| |
Collapse
|
14
|
Imran IB, Karonen M, Salminen JP, Engström MT. Modification of Natural Proanthocyanidin Oligomers and Polymers Via Chemical Oxidation under Alkaline Conditions. ACS OMEGA 2021; 6:4726-4739. [PMID: 33644580 PMCID: PMC7906247 DOI: 10.1021/acsomega.0c05515] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/21/2021] [Indexed: 05/31/2023]
Abstract
We tested the susceptibility of 102 proanthocyanidin (PA)-rich plant extracts to oxidation under alkaline conditions and the possibility to produce chemically modified PAs via oxidation. Both the nonoxidized and the oxidized extracts were analyzed using group-specific ultrahigh-performance liquid chromatography-diode array detection-tandem mass spectrometry (UHPLC-DAD-MS/MS) methods capable of detecting procyanidin (PC) and prodelphinidin (PD) moieties along the two-dimensional (2D) chromatographic fingerprints of plant PAs. The results indicated different reactivities for PCs and PDs. When detected by UHPLC-DAD only, most of the PC-rich samples exhibited only a subtle change in their PA content, but the UHPLC-MS/MS quantitation showed that the decrease in the PC content varied by 0-100%. The main reaction route was concluded to be intramolecular. The PD-rich and galloylated PAs showed a different pattern with high reductions in the original PA content by both ultraviolet (UV) and MS/MS quantitation, accompanied by the shifted retention times of the chromatographic PA humps. In these samples, both intra- and intermolecular reactions were indicated.
Collapse
|
15
|
Gezaf SA, Abo Nouh FA, Abdel-Azeem AM. Fungal Communities from Different Habitats for Tannins in Industry. Fungal Biol 2021. [DOI: 10.1007/978-3-030-85603-8_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
16
|
Abstract
Chromatin is a highly dynamic structure that closely relates with gene expression in eukaryotes. ATP-dependent chromatin remodelling, histone post-translational modification and DNA methylation are the main ways that mediate such plasticity. The histone variant H2A.Z is frequently encountered in eukaryotes, and can be deposited or removed from nucleosomes by chromatin remodelling complex SWR1 or INO80, respectively, leading to altered chromatin state. H2A.Z has been found to be involved in a diverse range of biological processes, including genome stability, DNA repair and transcriptional regulation. Due to their formidable production of secondary metabolites, filamentous fungi play outstanding roles in pharmaceutical production, food safety and agriculture. During the last few years, chromatin structural changes were proven to be a key factor associated with secondary metabolism in fungi. However, studies on the function of H2A.Z are scarce. Here, we summarize current knowledge of H2A.Z functions with a focus on filamentous fungi. We propose that H2A.Z is a potential target involved in the regulation of secondary metabolite biosynthesis by fungi.
Collapse
|
17
|
Sigona C, Bardi A, Modeo L, Mori G, Potekhin A, Verni F, Munz G, Petroni G. Role of bacterivorous organisms on fungal-based systems for natural tannin degradation. Heliyon 2020; 6:e03604. [PMID: 32258507 PMCID: PMC7118291 DOI: 10.1016/j.heliyon.2020.e03604] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 08/04/2019] [Accepted: 03/11/2020] [Indexed: 11/29/2022] Open
Abstract
Tannery wastewater presents high concentrations of organic load and pollutant recalcitrant molecules (e.g. tannins), which reduce the efficiency of biological treatment processes. Recent studies showed that several fungal species and strains are effective in the degradation of tannins. However, high bacterial load can negatively affect fungal growth, reducing system stability and degradation performances. The aim of the present study was to evaluate the effects of the introduction of bacterivorous grazers (ciliates and/or rotifers) in batch scale experiments using fungi to remove Tara tannin, i.e. to check the potential synergistic effect between fungi and bacterivorous grazers in the degradation of recalcitrant compounds. In this context, the ciliated grazers Paramecium calkinsi, Tetrahymena sp., Pseudovorticella sp., and the rotifer Lecane inermis, preliminary selected according to their ability to grow in a solution prepared with Tara tannin, were separately tested. Activated sludge, including a complex mixture of native grazers, was used as experimental control. The following parameters were monitored: bacterial load, number of grazers/mL and Soluble Chemical Oxygen Demand (SCOD). Colony Forming Unit (CFU)/grazers ratio was also calculated. Particular attention was paid to: i) bacterial load reduction and ii) enhancement of recalcitrant compounds degradation, and we observed that in all experimental conditions where grazers occurred bacterial load was significantly reduced and the system achieved a higher SCOD removal in a shorter time. Our findings provide useful insights for the stabilization of fungal-based systems in non-sterile conditions.
Collapse
Affiliation(s)
- Cristiana Sigona
- Institut de Biologia Evolutiva (CSIC-Universitat Pompeu Fabra), Passeig Marítim de la Barceloneta 37-49, 08003, Barcelona, Catalonia, Spain
| | - Alessandra Bardi
- Department of Civil and Environmental Engineering, University of Florence, Via Santa Marta 3, 50139, Florence, Italy
| | - Letizia Modeo
- Department of Biology, University of Pisa, Via Alessandro Volta 4, 56126, Pisa, Italy.,CIME, Centro Interdipartimentale di Microscopia Elettronica, Univerisità di Pisa, via A. Volta 4, 56126, Pisa, Italy.,CISUP, Centro per l'Integrazione della Strumentazione dell'Università di Pisa, Lungarno Pacinotti 43, Pisa, Italy
| | - Gualtiero Mori
- CER2CO (Centro Ricerca Reflui Conciari), Via Arginale Ovest 81, 56028, San Romano-San Miniato, Pisa, Italy
| | - Alexey Potekhin
- Department of Microbiology, Faculty of Biology, Saint-Petersburg State University, 7/9 University Embankment, 199034, Saint Petersburg, Russia
| | - Franco Verni
- Department of Biology, University of Pisa, Via Alessandro Volta 4, 56126, Pisa, Italy.,CIME, Centro Interdipartimentale di Microscopia Elettronica, Univerisità di Pisa, via A. Volta 4, 56126, Pisa, Italy.,CISUP, Centro per l'Integrazione della Strumentazione dell'Università di Pisa, Lungarno Pacinotti 43, Pisa, Italy
| | - Giulio Munz
- Department of Civil and Environmental Engineering, University of Florence, Via Santa Marta 3, 50139, Florence, Italy
| | - Giulio Petroni
- Department of Biology, University of Pisa, Via Alessandro Volta 4, 56126, Pisa, Italy.,CIME, Centro Interdipartimentale di Microscopia Elettronica, Univerisità di Pisa, via A. Volta 4, 56126, Pisa, Italy.,CISUP, Centro per l'Integrazione della Strumentazione dell'Università di Pisa, Lungarno Pacinotti 43, Pisa, Italy
| |
Collapse
|
18
|
Bardi A, Yuan Q, Siracusa G, Becarelli S, Di Gregorio S, Tigini V, Levin DB, Petroni G, Munz G. Stability of fungal biomass continuously fed with tannic acid in a non-sterile moving-packed bed reactor. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 247:67-77. [PMID: 31234047 DOI: 10.1016/j.jenvman.2019.06.036] [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: 01/17/2019] [Revised: 06/08/2019] [Accepted: 06/10/2019] [Indexed: 06/09/2023]
Abstract
A number of bacteria and fungi are known to degrade tannins. In this study, the efficiency of the white-rot fungus, Bjerkandera adusta MUT 2295, was evaluated for the treatment of a synthetic solution prepared with tannic acid. Tests were performed in continuously fed, bench-scale, packed-bed reactors, operated under non-sterile conditions with biomass immobilized within PolyUrethane Foam cubes (PUFs). The main parameters monitored to evaluate the process efficiency were: soluble Chemical Oxygen Demand (sCOD), Total Organic Carbon (TOC) removal, and activities. of Tannase and Lignin Peroxidase. At the end of the process, additional parameters were evaluated, including the increase of fungal dry weight and the presence of ergosterol. The reactor was operative for 210 days, with maximum sCOD and TOC removal of 81% and 73%, respectively. The reduction of sCOD and TOC were positively correlated with the detection of Tannase and Lignin Peroxidase (LiP) activities. Increases in biomass within the PUF cubes was associated with increases in ergosterol concentrations. This study proved that the fungal-based system tested was efficient for the degradation of tannic acid over a period of time, and under non-sterile conditions.
Collapse
Affiliation(s)
- A Bardi
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy.
| | - Q Yuan
- Department of Civil Engineering, University of Manitoba, 15 Gillson Street, R3T 5V6, Winnipeg, Canada
| | - G Siracusa
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy
| | - S Becarelli
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy
| | - S Di Gregorio
- Department of Biology, University of Pisa, Via Luca Ghini 13, 56126, Pisa, Italy
| | - V Tigini
- Department of Life Sciences and Systems Biology, University of Turin, Viale Mattioli 25, 10125, Torino, Italy
| | - D B Levin
- Department of Biosystems Engineering, University of Manitoba, 75A Chancellor Circle, R3T 5V6, Winnipeg, Canada
| | - G Petroni
- Department of Biology, University of Pisa, Via Luca Ghini 13, 56126, Pisa, Italy
| | - G Munz
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy
| |
Collapse
|
19
|
Enhancing treatability of tannery wastewater by integrated process of electrocoagulation and fungal via using RSM in an economic perspective. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.06.016] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
20
|
Aharwar A, Parihar DK. Talaromyces verruculosus tannase production, characterization and application in fruit juices detannification. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.01.052] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|