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De A, Mridha D, Roychowdhury T, Bandyopadhyay B, Panja AS. Substrate level optimization for better yield of oyster mushroom (Pleurotus ostreatus) production, using different ratio of rice straw and sugarcane bagasse. World J Microbiol Biotechnol 2023; 39:270. [PMID: 37537416 DOI: 10.1007/s11274-023-03714-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 07/24/2023] [Indexed: 08/05/2023]
Abstract
Mushroom cultivation has been identified as a cost-effective technique for converting lignocellulosic wastes. This study utilized a combination of two distinct agro-wastes as a substrate for better Pleurotus ostreatus cultivation. Oyster mushroom has been cultivated on substrates made up of rice straw and sugarcane bagasse with different ratios. This technique gives a significant difference between mycelium running, fruit body formation, yield, biological efficiency, and better-quality taste of Pleurotus ostreatus mushroom. A minimum of 19 days were required for 1st harvesting from bag number T4 where substrate ratio was used at 3:2. The maximum yield was found as T4 (886 g/kg) in bag number on the dry substrate from the first flushing. According to proximate analyses, protein contents were increased in treatment bags compared with the control. Anyhow, the enrichment of L-glutamine content in the fruit body was found at 11.8 mg/g from 1st flushing in T4 bag, among the other bags and the flavour was changed due to the substrate level composition. According to the study, 3:2 is an ideal substrate ratio for the development of oyster mushrooms cultivation. According to this ratio, it helps the farmer for minimum time to grow the mushroom fruit body and reduce the lignocellulosic waste materials from the environmental pollution along with increasing the flavour in the fruitbody compared with commonly produced mushroom substrate (T6). Therefore, more research should be conducted to assess the consequences of combining different substrates and decreasing the lignocellulosic biomass by converting a protein-rich edible product through the oyster mushroom.
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Affiliation(s)
- Ayan De
- School of Environmental Studies, Jadavpur University, Kolkata, West Bengal, 700032, India
| | - Deepanjan Mridha
- School of Environmental Studies, Jadavpur University, Kolkata, West Bengal, 700032, India
| | - Tarit Roychowdhury
- School of Environmental Studies, Jadavpur University, Kolkata, West Bengal, 700032, India
| | - Bidyut Bandyopadhyay
- Department of Biotechnology, Oriental Institute of Science and Technology, Vidyasagar University, West Midnapore, West Bengal, 721102, India
| | - Anindya Sundar Panja
- Department of Biotechnology, Molecular Informatics Laboratory, Oriental Institute of Science and Technology, Vidyasagar University, West Midnapore, West Bengal, 721102, India.
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Bora PK, Borah G, Kalita D, Saikia SP, Haldar S. Mushroom-Mediated Reductive Bioconversion of Aldehyde-Rich Essential Oils for Aroma Alteration: A Rose-like Floral Bioflavor from Citronella Oil. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:1690-1700. [PMID: 36637129 DOI: 10.1021/acs.jafc.2c08059] [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] [Indexed: 06/17/2023]
Abstract
The bioflavors are of high demand in food and beverage industries. The current study identified reductive processes mediated by mushroom species to alter the aroma of aldehyde-rich essential oils in the submerged culture. Neofomitella polyzonata, a polypore mushroom, reduced citronellal and citral in the citronella oil into corresponding alcohols that altered the oil aroma, creating a new bioflavor. The screening with 43 aldehydes showed its broad substrate scope within aromatic and linear aldehydes, yet influenced by the electronic and steric factors. Under an optimized condition, it efficiently converted up to 1.5 g/L citrusy and sharp citronella oil into a terpene alcohol-rich (citronellol and geraniol) floral, sweet, fresh, and rosy oily product within 12 h. The preparative-scale fermentation in the shake flask followed by distillation, an organic solvent-free downstream process, furnished the product in 87.2% w/w yield. Detailed sensory analyses and volatile chemo-profiling established the uniqueness in the product aroma and identified citronellol and geraniol as the key odorants. The chemometric analysis found best compositional similarity of this product with Damask or Turkish rose oils. The preference test for the water flavored with the fermented product (0.001-0.005% v/v) indicated its potential as a rosy bioflavor for the beverages.
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Affiliation(s)
- Pranjit Kumar Bora
- Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology (NEIST), Jorhat, Assam 785006, India
- AcSIR-Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Gitasree Borah
- Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology (NEIST), Jorhat, Assam 785006, India
- AcSIR-Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Dhanmoni Kalita
- Engineering Sciences and Technology Division, CSIR-North East Institute of Science and Technology (NEIST), Jorhat, Assam 785006, India
| | - Siddhartha Proteem Saikia
- Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology (NEIST), Jorhat, Assam 785006, India
- AcSIR-Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Saikat Haldar
- Agrotechnology and Rural Development Division, CSIR-North East Institute of Science and Technology (NEIST), Jorhat, Assam 785006, India
- AcSIR-Academy of Scientific and Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
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Joshi CV, Pathan EK, Punekar NS, Tupe SG, Kapadnis BP, Deshpande MV. A biochemical correlate of dimorphism in a zygomycete Benjaminiella poitrasii: characterization of purified NAD-dependent glutamate dehydrogenase, a target for antifungal agents. Antonie van Leeuwenhoek 2013; 104:25-36. [PMID: 23588417 DOI: 10.1007/s10482-013-9921-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Accepted: 04/05/2013] [Indexed: 10/27/2022]
Abstract
The fungal organisms, especially pathogens, change their vegetative (Y, unicellular yeast and H, hypha) morphology reversibly for survival and proliferation in the host environment. NAD-dependent glutamate dehydrogenase (NAD-GDH, EC 1.4.1.2) from a non-pathogenic dimorphic zygomycete Benjaminiella poitrasii was previously reported to be an important biochemical correlate of the transition process. The enzyme was purified to homogeneity and characterized. It is a 371 kDa native molecular weight protein made up of four identical subunits. Kinetic studies showed that unlike other NAD-GDHs, it may act as an anabolic enzyme and has more affinity towards 2-oxoglutarate than L-glutamate. Chemical modifications revealed the involvement of single histidine and lysine residues in the catalytic activity of the enzyme. The phosphorylation and dephosphorylation study showed that the NAD-GDH is present in active phosphorylated form in hyphal cells of B. poitrasii. Two of the 1,2,3 triazole linked β-lactam-bile acid conjugates synthesized in the laboratory (B18, B20) were found to be potent inhibitors of purified NAD-GDH which also significantly affected Y-H transition in B. poitrasii. Furthermore, the compound B20 inhibited germ tube formation during Y-H transition in Candida albicans strains and Yarrowia lipolytica. The possible use of NAD-GDH as a target for antifungal agents is discussed.
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Affiliation(s)
- C V Joshi
- Biochemical Sciences Division, National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
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Foulongne-Oriol M, Spataro C, Cathalot V, Monllor S, Savoie JM. An expanded genetic linkage map of an intervarietal Agaricus bisporus var. bisporusxA. bisporus var. burnettii hybrid based on AFLP, SSR and CAPS markers sheds light on the recombination behaviour of the species. Fungal Genet Biol 2009; 47:226-36. [PMID: 20026415 DOI: 10.1016/j.fgb.2009.12.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2009] [Revised: 10/27/2009] [Accepted: 12/09/2009] [Indexed: 01/27/2023]
Abstract
A genetic linkage map for the edible basidiomycete Agaricus bisporus was constructed from 118 haploid homokaryons derived from an intervarietal A. bisporus var. bisporus x A. bisporus var. burnettii hybrid. Two hundred and thirty-one AFLP, 21 SSR, 68 CAPS markers together with the MAT, BSN, PPC1 loci and one allozyme locus (ADH) were evenly spread over 13 linkage groups corresponding to the chromosomes of A. bisporus. The map covers 1156cM, with an average marker spacing of 3.9cM and encompasses nearly the whole genome. The average number of crossovers per chromosome per individual is 0.86. Normal recombination over the entire genome occurs in the heterothallic variety, burnettii, contrary to the homothallic variety, bisporus, which showed adaptive genome-wide suppressed recombination. This first comprehensive genetic linkage map for A. bisporus provides foundations for quantitative trait analyses and breeding programme monitoring, as well as genome organisation studies.
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Affiliation(s)
- Marie Foulongne-Oriol
- Mycologie et Sécurité des Aliments, INRA, Centre de Recherche Bordeaux-Aquitaine, Villenave d'Ornon Cedex, France.
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Williams TA, Wolfe KH, Fares MA. No Rosetta Stone for a Sense–Antisense Origin of Aminoacyl tRNA Synthetase Classes. Mol Biol Evol 2008; 26:445-50. [DOI: 10.1093/molbev/msn267] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Wagemaker MJM, Eastwood DC, van der Drift C, Jetten MSM, Burton K, Van Griensven LJLD, Op den Camp HJM. Expression of the urease gene of Agaricus bisporus: a tool for studying fruit body formation and post-harvest development. Appl Microbiol Biotechnol 2006; 71:486-92. [PMID: 16283299 DOI: 10.1007/s00253-005-0185-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2005] [Revised: 08/26/2005] [Accepted: 09/07/2005] [Indexed: 10/25/2022]
Abstract
Fruit body initials of Agaricus bisporus contain high levels of urea, which decrease in the following developmental stages until stage 4 (harvest) when urea levels increase again. At storage, the high urea content may affect the quality of the mushroom, i.e. by the formation of ammonia from urea through the action of urease (EC 3.5.1.5). Despite the abundance of urea in the edible mushroom A. bisporus, little is known about its physiological role. The urease gene of A. bisporus and its promoter region were identified and cloned. The coding part of the genomic DNA was interrupted by nine introns as confirmed by cDNA analysis. The first full homobasidiomycete urease protein sequence obtained comprised 838 amino acids (molecular mass 90,694 Da, pI 5.8). An alignment with fungal, plant and bacterial ureases revealed a high conservation. The expression of the urease gene, measured by Northern analyses, was studied both during normal development of fruit bodies and during post-harvest senescence. Expression in normal development was significantly up-regulated in developmental stages 5 and 6. During post-harvest senescence, the expression of urease was mainly observed in the stipe tissue; expression decreased on the first day and remained at a basal level through the remaining sampling period.
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Affiliation(s)
- Matthijs J M Wagemaker
- Department of Microbiology, IWWR Radboud University Nijmegen, Toernooiveld 1, 6525 ED, Nijmegen, The Netherlands
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Sreenivasaprasad S, Eastwood DC, Browning N, Lewis SMJ, Burton KS. Differential expression of a putative riboflavin-aldehyde-forming enzyme (raf) gene during development and post-harvest storage and in different tissue of the sporophore in Agaricus bisporus. Appl Microbiol Biotechnol 2005; 70:470-6. [PMID: 16059685 DOI: 10.1007/s00253-005-0084-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2005] [Revised: 06/01/2005] [Accepted: 06/28/2005] [Indexed: 10/25/2022]
Abstract
Cloning and characterisation of a putative riboflavin-aldehyde-forming enzyme gene (raf) from the cultivated mushroom Agaricus bisporus and its expression during morphogenesis are described. Three cDNA clones were isolated following differential screening of cDNA libraries from rapidly expanding sporophores and post-harvest stored sporophores. The cDNA sequence and predicted translation analysis revealed an open reading frame (ORF) of 348 nucleotides encoding a polypeptide of 115 amino acids, with three introns (56-66 bases) interrupting the genomic ORF. Blast X searches of the databases with the gene sequence showed homology (40% identity and 56% similarity) to the riboflavin-aldehyde-forming enzyme gene from Schizophyllum commune. In A.bisporus, the raf gene sequence upstream of the ORF contained a large CT-rich putative regulatory element (-64 to -24 bases) found in highly expressed genes in various mushrooms, and a 6-base motif present in the 3' end of the genomic sequence, but not in the corresponding 3' non-coding part of the cDNA, was identified. The raf gene transcripts increased abundantly in rapidly developing sporophores as well in post-harvest stored sporophores. Differential expression of the raf gene transcripts in different tissues of the sporophore was also observed, with higher levels in the stipe compared with the cap and gills. The temporal and spatial expression patterns observed suggest transcriptional regulation of the raf gene during A. bisporus morphogenesis.
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Wagemaker MJM, Welboren W, van der Drift C, Jetten MSM, Van Griensven LJLD, Op den Camp HJM. The ornithine cycle enzyme arginase from Agaricus bisporus and its role in urea accumulation in fruit bodies. ACTA ACUST UNITED AC 2004; 1681:107-15. [PMID: 15627502 DOI: 10.1016/j.bbaexp.2004.10.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2004] [Revised: 10/21/2004] [Accepted: 10/22/2004] [Indexed: 11/28/2022]
Abstract
An extensive survey of higher fungi revealed that members of the family Agaricaceae, including Agaricus bisporus, accumulate substantial amounts of urea in their fruit bodies. An important role of the ornithine cycle enzymes in urea accumulation has been proposed. In this work, we present the cloning and sequencing of the arginase gene and its promoter region from A. bisporus. A PCR-probe based on fungal arginase was used to identify the A. bisporus arginase gene from a cDNA library. The arginase cDNA encodes a 311-aa protein which is most likely expressed in the cytosol. Expression of the cDNA in Escherichia coli was established as a His-tagged fusion protein. The arginase gene was used as a molecular marker to study expression and regulation during sporophore formation and postharvest development. The expression of the arginase gene was significantly up-regulated from developmental stage 3 onwards for all the tissues studied. A maximum of expression was reached at stage 6 for both stipe and cap tissue. In postharvest stages 5, 6 and 7 the level of expression observed was similar to normal growth stages 5, 6 and 7. A good correlation was found between arginase expression and urea content of stipe, velum, gills, cap and peel tissue. For all tissues the urea content decreased over the first four stages of development. From stage 4 onwards urea accumulated again except for stipe tissue where no significant changes were observed. The same trend was also observed for postharvest development, but the observed increase of urea in postharvest tissues was much higher.
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Affiliation(s)
- Matthijs J M Wagemaker
- Department of Microbiology, Faculty of Science, Radboud University Nijmegen, Toernooiveld 1, NL-6525 ED Nijmegen, The Netherlands
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Kapoor M, Curle CA, Kalia S, Achari Y. Minimal promoter for the NAD+-specific glutamate dehydrogenase gene of Neurospora crassa. Biochem Cell Biol 2002; 80:177-88. [PMID: 11989713 DOI: 10.1139/o01-229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The expression of the NAD+-specific glutamate dehydrogenase (NAD-GDH) gene of Neurospora crassa is subject to catabolite repression. To identify the minimal sequence necessary for promoter function, the 5'-flanking region of the NAD-GDH gene was screened for potential protein-binding sites. Fragments of DNA, containing sequences upstream from the ATG initiation codon, were employed as probes of Southwestern blots of total cellular protein from cells grown in media promoting repression and induction of NAD-GDH. Two polypeptides interacted differentially with a promoter probe; one was present in greater abundance in repressed cells and a higher relative level of the second was witnessed in induced cells. Electrophoretic mobility shift assays with labeled promoter fragments exhibited preferential interaction with proteins in the induced cultures. The upstream sequence containing the putative protein-binding sites was fused with the coding sequence of the green fluorescent protein (GFP). The resulting plasmid was introduced into the microconidia of an albino mutant of N. crassa by electroporation. Stable integration of the plasmid and_expression of GFP in the hyphae and conidia of the transformants were demonstrated by Southern and Western blot analysis and fluorescence microscopy.
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Affiliation(s)
- M Kapoor
- Department of Biological Sciences, University of Calgary, AB, Canada.
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Camus JC, Pryor MJ, Médigue C, Cole ST. Re-annotation of the genome sequence of Mycobacterium tuberculosis H37Rv. MICROBIOLOGY (READING, ENGLAND) 2002; 148:2967-2973. [PMID: 12368430 DOI: 10.1099/00221287-148-10-2967] [Citation(s) in RCA: 395] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Original genome annotations need to be regularly updated if the information they contain is to remain accurate and relevant. Here the complete re-annotation of the genome sequence of Mycobacterium tuberculosis strain H37Rv is presented almost 4 years after the first submission. Eighty-two new protein-coding sequences (CDS) have been included and 22 of these have a predicted function. The majority were identified by manual or automated re-analysis of the genome and most of them were shorter than the 100 codon cut-off used in the initial genome analysis. The functional classification of 643 CDS has been changed based principally on recent sequence comparisons and new experimental data from the literature. More than 300 gene names and over 1000 targeted citations have been added and the lengths of 60 genes have been modified. Presently, it is possible to assign a function to 2058 proteins (52% of the 3995 proteins predicted) and only 376 putative proteins share no homology with known proteins and thus could be unique to M. tuberculosis.
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Affiliation(s)
- Jean-Christophe Camus
- Annotation-Bases de Données (PT4), Génopole, Institut Pasteur, Paris, France2
- Unité de Génétique Moléculaire Bactérienne, Institut Pasteur, 28 rue du Docteur Roux, 75724 Paris Cedex, France1
| | - Melinda J Pryor
- Annotation-Bases de Données (PT4), Génopole, Institut Pasteur, Paris, France2
- Unité de Génétique Moléculaire Bactérienne, Institut Pasteur, 28 rue du Docteur Roux, 75724 Paris Cedex, France1
| | - Claudine Médigue
- Génoscope/UMR 8030, Atelier de Génomique Comparative, 2 rue Gaston Crémieux, 91006 Evry Cedex, France3
| | - Stewart T Cole
- Unité de Génétique Moléculaire Bactérienne, Institut Pasteur, 28 rue du Docteur Roux, 75724 Paris Cedex, France1
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Vallorani L, Polidori E, Sacconi C, Agostini D, Pierleoni R, Piccoli G, Zeppa S, Stocchi V. Biochemical and molecular characterization of NADP-glutamate dehydrogenase from the ectomycorrhizal fungus Tuber borchii. THE NEW PHYTOLOGIST 2002; 154:779-790. [PMID: 33873467 DOI: 10.1046/j.1469-8137.2002.00409.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
• NADP-glutamate dehydrogenase (NADP-GDH) from Tuber borchii was purified and the corresponding gene was cloned in order to elucidate the physiological role of the enzyme in this ectomycorrhizal fungus. • NADP-GDH was purified using an anion-exchange column followed by affinity chromatography. The complete gene was cloned from a 30-d-old-mycelium cDNA library and characterized. • T. borchii NADP-GDH appears to be physically and kinetically similar to those from other fungi and the deduced amino acid sequence of the gdh gene showed a significant similarity to other fungal NADP-dependent GDHs. Biochemical and Northern blotting analyses carried out with mycelia grown on different nitrogen sources clearly showed that the regulation of T. borchii NADP-GDH in response to different nitrogen sources was markedly different from the responses of the NADP-GDHs of other ascomycetes. Northern blotting analyses highlighted that the gdh gene was also expressed in the symbiotic phase. • The biochemical and molecular data suggest that the fungal NADP-GDH contributes to the primary nitrogen metabolism in the ectomycorrhizal tissues.
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Affiliation(s)
- Luciana Vallorani
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
| | - Emanuela Polidori
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
| | - Cinzia Sacconi
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
| | - Deborah Agostini
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
| | - Raffaella Pierleoni
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
| | - Giovanni Piccoli
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
| | - Sabrina Zeppa
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
| | - Vilberto Stocchi
- Istituto di Chimica Biologica 'Giorgio Fornaini', Università degli Studi di Urbino, via Saffi, 2-61029 Urbino (PU), Italy
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