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Kolotylo V, Piwowarek K, Kieliszek M. Microbiological transglutaminase: Biotechnological application in the food industry. Open Life Sci 2023; 18:20220737. [PMID: 37791057 PMCID: PMC10543708 DOI: 10.1515/biol-2022-0737] [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: 07/12/2023] [Revised: 08/31/2023] [Accepted: 09/03/2023] [Indexed: 10/05/2023] Open
Abstract
Microbial transglutaminases (mTGs) belong to the family of global TGs, isolated and characterised by various bacterial strains, with the first being Streptomyces mobaraensis. This literature review also discusses TGs of animal and plant origin. TGs catalyse the formation of an isopeptide bond, cross-linking the amino and acyl groups. Due to its broad enzymatic activity, TG is extensively utilised in the food industry. The annual net growth in the utilisation of enzymes in the food processing industry is estimated to be 21.9%. As of 2020, the global food enzymes market was valued at around $2.3 billion USD (mTG market was estimated to be around $200 million USD). Much of this growth is attributed to the applications of mTG, benefiting both producers and consumers. In the food industry, TG enhances gelation and modifies emulsification, foaming, viscosity, and water-holding capacity. Research on TG, mainly mTG, provides increasing insights into the wide range of applications of this enzyme in various industrial sectors and promotes enzymatic processing. This work presents the characteristics of TGs, their properties, and the rationale for their utilisation. The review aims to provide theoretical foundations that will assist researchers worldwide in building a methodological framework and furthering the advancement of biotechnology research.
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Affiliation(s)
- Vitaliy Kolotylo
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences – SGGW, Nowoursynowska 159 C, 02-776Warsaw, Poland
| | - Kamil Piwowarek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences – SGGW, Nowoursynowska 159 C, 02-776Warsaw, Poland
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences – SGGW, Nowoursynowska 159 C, 02-776Warsaw, Poland
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2
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Vasić K, Knez Ž, Leitgeb M. Transglutaminase in Foods and Biotechnology. Int J Mol Sci 2023; 24:12402. [PMID: 37569776 PMCID: PMC10419021 DOI: 10.3390/ijms241512402] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Stabilization and reusability of enzyme transglutaminase (TGM) are important goals for the enzymatic process since immobilizing TGM plays an important role in different technologies and industries. TGM can be used in many applications. In the food industry, it plays a role as a protein-modifying enzyme, while, in biotechnology and pharmaceutical applications, it is used in mediated bioconjugation due to its extraordinary crosslinking ability. TGMs (EC 2.3.2.13) are enzymes that catalyze the formation of a covalent bond between a free amino group of protein-bound or peptide-bound lysine, which acts as an acyl acceptor, and the γ-carboxamide group of protein-bound or peptide-bound glutamine, which acts as an acyl donor. This results in the modification of proteins through either intramolecular or intermolecular crosslinking, which improves the use of the respective proteins significantly.
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Affiliation(s)
- Katja Vasić
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, SI-2000 Maribor, Slovenia; (K.V.); (Ž.K.)
| | - Željko Knez
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, SI-2000 Maribor, Slovenia; (K.V.); (Ž.K.)
- Faculty of Medicine, University of Maribor, Taborska Ulica 8, SI-2000 Maribor, Slovenia
| | - Maja Leitgeb
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, SI-2000 Maribor, Slovenia; (K.V.); (Ž.K.)
- Faculty of Medicine, University of Maribor, Taborska Ulica 8, SI-2000 Maribor, Slovenia
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3
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Parrotta L, Tanwar UK, Aloisi I, Sobieszczuk-Nowicka E, Arasimowicz-Jelonek M, Del Duca S. Plant Transglutaminases: New Insights in Biochemistry, Genetics, and Physiology. Cells 2022; 11:cells11091529. [PMID: 35563835 PMCID: PMC9105555 DOI: 10.3390/cells11091529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/26/2022] [Accepted: 04/29/2022] [Indexed: 11/27/2022] Open
Abstract
Transglutaminases (TGases) are calcium-dependent enzymes that catalyse an acyl-transfer reaction between primary amino groups and protein-bound Gln residues. They are widely distributed in nature, being found in vertebrates, invertebrates, microorganisms, and plants. TGases and their functionality have been less studied in plants than humans and animals. TGases are distributed in all plant organs, such as leaves, tubers, roots, flowers, buds, pollen, and various cell compartments, including chloroplasts, the cytoplasm, and the cell wall. Recent molecular, physiological, and biochemical evidence pointing to the role of TGases in plant biology and the mechanisms in which they are involved allows us to consider their role in processes such as photosynthesis, plant fertilisation, responses to biotic and abiotic stresses, and leaf senescence. In the present paper, an in-depth description of the biochemical characteristics and a bioinformatics comparison of plant TGases is provided. We also present the phylogenetic relationship, gene structure, and sequence alignment of TGase proteins in various plant species, not described elsewhere. Currently, our knowledge of these proteins in plants is still insufficient. Further research with the aim of identifying and describing the regulatory components of these enzymes and the processes regulated by them is needed.
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Affiliation(s)
- Luigi Parrotta
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Via Irnerio 42, 40126 Bologna, Italy; (L.P.); (I.A.)
- Interdepartmental Centre for Agri-Food Industrial Research, University of Bologna, Via Quinto Bucci 336, 47521 Cesena, Italy
| | - Umesh Kumar Tanwar
- Department of Plant Physiology, Faculty of Biology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 6, 61-614 Poznań, Poland; (U.K.T.); (E.S.-N.)
| | - Iris Aloisi
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Via Irnerio 42, 40126 Bologna, Italy; (L.P.); (I.A.)
| | - Ewa Sobieszczuk-Nowicka
- Department of Plant Physiology, Faculty of Biology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 6, 61-614 Poznań, Poland; (U.K.T.); (E.S.-N.)
| | - Magdalena Arasimowicz-Jelonek
- Department of Plant Ecophysiology, Faculty of Biology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 6, 61-614 Poznań, Poland;
| | - Stefano Del Duca
- Department of Biological, Geological and Environmental Sciences, University of Bologna, Via Irnerio 42, 40126 Bologna, Italy; (L.P.); (I.A.)
- Interdepartmental Centre for Agri-Food Industrial Research, University of Bologna, Via Quinto Bucci 336, 47521 Cesena, Italy
- Correspondence:
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4
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Navakoudis E, Kotzabasis K. Polyamines: Α bioenergetic smart switch for plant protection and development. JOURNAL OF PLANT PHYSIOLOGY 2022; 270:153618. [PMID: 35051689 DOI: 10.1016/j.jplph.2022.153618] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 05/27/2023]
Abstract
The present review highlights the bioenergetic role of polyamines in plant protection and development and proposes a universal model for describing polyamine-mediated stress responses. Any stress condition induces an excitation pressure on photosystem II by reforming the photosynthetic apparatus. To control this phenomenon, polyamines act directly on the molecular structure and function of the photosynthetic apparatus as well as on the components of the chemiosmotic proton-motive force (ΔpH/Δψ), thus regulating photochemical (qP) and non-photochemical quenching (NPQ) of energy. The review presents the mechanistic characteristics that underline the key role of polyamines in the structure, function, and bioenergetics of the photosynthetic apparatus upon light adaptation and/or under stress conditions. By following this mechanism, it is feasible to make stress-sensitive plants to be tolerant by simply altering their polyamine composition (especially the ratio of putrescine to spermine), either chemically or by light regulation.
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Affiliation(s)
- Eleni Navakoudis
- Department of Biology, University of Crete, Voutes University Campus, 70013, Heraklion, Greece; Department of Chemical Engineering, Cyprus University of Technology, 3603, Limassol, Cyprus
| | - Kiriakos Kotzabasis
- Department of Biology, University of Crete, Voutes University Campus, 70013, Heraklion, Greece.
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Serafini-Fracassini D, Della Mea M, Parrotta L, Faleri C, Cai G, Del Duca S, Aloisi I. AtPng1 knockout mutant of Arabidopsis thaliana shows a juvenile phenotype, morpho-functional changes, altered stress response and cell wall modifications. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 167:11-21. [PMID: 34325356 DOI: 10.1016/j.plaphy.2021.07.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/01/2021] [Accepted: 07/22/2021] [Indexed: 06/13/2023]
Abstract
In order to ascertain the role of plant transglutaminases (TGase) in growth and abiotic stress response, the AtPng1 knock out (KO) line of A. thaliana has been analyzed during plant development and under heat and wound stress. Comparing wild type (WT) and KO lines a 58-kDa band was immunodetected by anti-AtPng1p antibody in the cell wall and chloroplasts only in the WT line. A residual TGase activity, not showing correlation with development nor stress response, was still present in the KO line. The KO line was less developed, with a juvenile phenotype characterized by fewer, smaller and less differentiated cells. Chloroplast TGase activity was insensitive to mutation. Data on stressed plants showed that (i) KO plants under heat stress were more juvenile compared to WT, (ii) different responses between WT and KO lines after wounding took place. TGase activity was not completely absent in the KO line, presenting high activity in the plastidial fraction. In general, the mutation affected A. thaliana growth and development, causing less differentiated cytological and anatomical features.
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Affiliation(s)
- D Serafini-Fracassini
- Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università Degli Studi di Bologna, Via Irnerio, Bologna, 40126, Italy
| | - M Della Mea
- Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università Degli Studi di Bologna, Via Irnerio, Bologna, 40126, Italy
| | - L Parrotta
- Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università Degli Studi di Bologna, Via Irnerio, Bologna, 40126, Italy
| | - C Faleri
- Dipartimento di Scienze Della Vita, Università Degli Studi di Siena, Via Mattioli 4, Siena, 53100, Italy
| | - G Cai
- Dipartimento di Scienze Della Vita, Università Degli Studi di Siena, Via Mattioli 4, Siena, 53100, Italy
| | - S Del Duca
- Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università Degli Studi di Bologna, Via Irnerio, Bologna, 40126, Italy.
| | - I Aloisi
- Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università Degli Studi di Bologna, Via Irnerio, Bologna, 40126, Italy
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6
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Shu S, Tang Y, Zhou X, Jahan MS, Sun J, Wang Y, Guo S. Physiological mechanism of transglutaminase-mediated improvement in salt tolerance of cucumber seedlings. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 156:333-344. [PMID: 32998100 DOI: 10.1016/j.plaphy.2020.09.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/09/2020] [Indexed: 06/11/2023]
Abstract
Transglutaminase (TGase) is inextricably associated with plant growth and development. However, the mechanism by which TGase enhances salt tolerance of higher plants under salt stress is poorly understood. In this study, we investigated the effects of NaCl stress and exogenous o-phenanthroline (o-Phen, a metalloprotease inhibitor) on TGase activity, chlorophyll fluorescence parameters, carbohydrates contents, the reactive oxygen species (ROS) scavenging system, and endogenous polyamines (PAs) contents of salt-sensitive 'Jinyou No. 4' and salt-tolerant 'Inbred Line 9930' cucumber. Salt stress significantly inhibited plant growth of the two cultivars, as well as hindered carbohydrates transport, which was more evident in the salt-sensitive cultivar. TGase activity and expression, ROS scavenging capacity, and bound PAs content were up-regulated by salt stress to some extent, which was more distinct in the salt-tolerant cucumber cultivar. However, o-Phen treatment significantly inhibited TGase expression, and further decreased plant growth and the actual photochemical efficiency of photosystem II in the two cultivars. In addition, application of o-Phen significantly decreased endogenous PAs content in leaves of 'Jinyou No. 4' and 'Inbred Line 9930' seedlings by 9.60% and 42.32% under NaCl stress, respectively. These results suggested that high activity of TGase increases the salt stress tolerance of cucumber plants by increasing endogenous PAs content and ROS scavenging capacity, and promoting carbon assimilation and photosynthetic products.
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Affiliation(s)
- Sheng Shu
- College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China; Suqian Academy of Protected Horticulture, Nanjing Agricultural University, Suqian, 223800, China
| | - Yuanyuan Tang
- College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xinpeng Zhou
- College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Mohammad Shan Jahan
- College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jin Sun
- College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China; Suqian Academy of Protected Horticulture, Nanjing Agricultural University, Suqian, 223800, China
| | - Yu Wang
- College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shirong Guo
- College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China; Suqian Academy of Protected Horticulture, Nanjing Agricultural University, Suqian, 223800, China.
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7
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Zhong M, Wang Y, Zhang Y, Shu S, Sun J, Guo S. Overexpression of Transglutaminase from Cucumber in Tobacco Increases Salt Tolerance through Regulation of Photosynthesis. Int J Mol Sci 2019; 20:E894. [PMID: 30791389 PMCID: PMC6413182 DOI: 10.3390/ijms20040894] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 01/31/2019] [Accepted: 02/01/2019] [Indexed: 11/17/2022] Open
Abstract
Transglutaminase (TGase) is a regulator of posttranslational modification of protein that provides physiological protection against diverse environmental stresses in plants. Nonetheless, the mechanisms of TGase-mediated salt tolerance remain largely unknown. Here, we found that the transcription of cucumber TGase (CsTGase) was induced in response to light and during leaf development, and the CsTGase protein was expressed in the chloroplast and the cell wall. The overexpression of the CsTGase gene effectively ameliorated salt-induced photoinhibition in tobacco plants, increased the levels of chloroplast polyamines (PAs) and enhanced the abundance of D1 and D2 proteins. TGase also induced the expression of photosynthesis related genes and remodeling of thylakoids under normal conditions. However, salt stress treatment reduced the photosynthesis rate, PSII and PSI related genes expression, D1 and D2 proteins in wild-type (WT) plants, while these effects were alleviated in CsTGase overexpression plants. Taken together, our results indicate that TGase-dependent PA signaling protects the proteins of thylakoids, which plays a critical role in plant response to salt stress. Thus, overexpression of TGase may be an effective strategy for enhancing resistance to salt stress of salt-sensitive crops in agricultural production.
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Affiliation(s)
- Min Zhong
- Key Laboratory of Southern Vegetable Crop Genetic Improvement, Ministry of Agriculture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yu Wang
- Key Laboratory of Southern Vegetable Crop Genetic Improvement, Ministry of Agriculture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yuemei Zhang
- Key Laboratory of Southern Vegetable Crop Genetic Improvement, Ministry of Agriculture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Sheng Shu
- Key Laboratory of Southern Vegetable Crop Genetic Improvement, Ministry of Agriculture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Jin Sun
- Key Laboratory of Southern Vegetable Crop Genetic Improvement, Ministry of Agriculture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
- Suqian Academy of Protected Horticulture, Nanjing Agricultural University, Suqian 223800, China.
| | - Shirong Guo
- Key Laboratory of Southern Vegetable Crop Genetic Improvement, Ministry of Agriculture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
- Suqian Academy of Protected Horticulture, Nanjing Agricultural University, Suqian 223800, China.
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8
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Sobieszczuk-Nowicka E, Paluch-Lubawa E, Mattoo AK, Arasimowicz-Jelonek M, Gregersen PL, Pacak A. Polyamines - A New Metabolic Switch: Crosstalk With Networks Involving Senescence, Crop Improvement, and Mammalian Cancer Therapy. FRONTIERS IN PLANT SCIENCE 2019; 10:859. [PMID: 31354753 PMCID: PMC6635640 DOI: 10.3389/fpls.2019.00859] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 06/14/2019] [Indexed: 05/06/2023]
Abstract
Polyamines (PAs) are low molecular weight organic cations comprising biogenic amines that play multiple roles in plant growth and senescence. PA metabolism was found to play a central role in metabolic and genetic reprogramming during dark-induced barley leaf senescence (DILS). Robust PA catabolism can impact the rate of senescence progression in plants. We opine that deciphering senescence-dependent polyamine-mediated multidirectional metabolic crosstalks is important to understand regulation and involvement of PAs in plant death and re-mobilization of nutrients during senescence. This will involve optimizing the use of PA biosynthesis inhibitors, robust transgenic approaches to modulate PA biosynthetic and catabolic genes, and developing novel germplasm enriched in pro- and anti-senescence traits to ensure sustained crop productivity. PA-mediated delay of senescence can extend the photosynthesis capacity, thereby increasing grain starch content in malting grains such as barley. On the other hand, accelerating the onset of senescence can lead to increases in mineral and nitrogen content in grains for animal feed. Unraveling the "polyamine metabolic switch" and delineating the roles of PAs in senescence should further our knowledge about autophagy mechanisms involved in plant senescence as well as mammalian systems. It is noteworthy that inhibitors of PA biosynthesis block cell viability in animal model systems (cell tumor lines) to control some cancers, in this instance, proliferative cancer cells were led toward cell death. Likewise, PA conjugates work as signal carriers for slow release of regulatory molecule nitric oxide in the targeted cells. Taken together, these and other outcomes provide examples for developing novel therapeutics for human health wellness as well as developing plant resistance/tolerance to stress stimuli.
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Affiliation(s)
- Ewa Sobieszczuk-Nowicka
- Department of Plant Physiology, Faculty of Biology, Institute of Experimental Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
- *Correspondence: Ewa Sobieszczuk-Nowicka,
| | - Ewelina Paluch-Lubawa
- Department of Plant Physiology, Faculty of Biology, Institute of Experimental Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Autar K. Mattoo
- Sustainable Agricultural Systems Laboratory, Henry A. Wallace Beltsville Agricultural Research Center, United States Department of Agriculture, Beltsville, MD, United States
| | - Magdalena Arasimowicz-Jelonek
- Department of Plant Ecophysiology, Faculty of Biology, Institute of Experimental Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Per L. Gregersen
- Department of Molecular Biology and Genetics, Aarhus University, Slagelse, Denmark
| | - Andrzej Pacak
- Department of Gene Expression, Faculty of Biology, Institute of Molecular Biology and Biotechnology, Adam Mickiewicz University in Poznań, Poznań, Poland
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9
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Abstract
Leaf senescence is a terminal step in plant growth and development. Considerable information on processes and signals involved in this process has been obtained, although comparatively little is known about leaf senescence in monocotyledonous plants. In particular, little is known about players involved in leaf senescence imposed by a prolonged dark treatment. New information has now been unveiled on dark-induced leaf senescence in a monocot, barley. A close association has been found between ubiquitous polyamines, reactive oxygen species (ROS), and senescence of barley leaves during prolonged darkness. Although polyamines (putrescine, spermidine, and spermine) are absolutely essential for critical cellular functions, including regulation of nucleic acids and protein synthesis, macromolecular structural integrity, and signalling, a strong link between polyamines and dark-induced leaf senescence has been found using barley plant as a model of monocots. Interestingly, Arabidopsis polyamine back-conversion oxidase mutants deficient in the conversion of spermine to spermidine and/or spermidine to putrescine do not occur and have delayed entry into dark-induced leaf senescence. This review summarizes the recent molecular, physiological, and biochemical evidence implicating concurrently polyamines and ethylene in dark-induced leaf senescence and broadening our knowledge on the mechanistic events involved in this important plant death process.
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Affiliation(s)
- E Sobieszczuk-Nowicka
- Department of Plant Physiology, Faculty of Biology, Adam Mickiewicz University of Poznań, ul. Umultowska 89, 61-614, Poznań, Poland.
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10
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Ioannidis NE, Malliarakis D, Torné JM, Santos M, Kotzabasis K. The Over-expression of the Plastidial Transglutaminase from Maize in Arabidopsis Increases the Activation Threshold of Photoprotection. FRONTIERS IN PLANT SCIENCE 2016; 7:635. [PMID: 27242838 PMCID: PMC4861818 DOI: 10.3389/fpls.2016.00635] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 04/25/2016] [Indexed: 05/09/2023]
Abstract
Plastidial transglutaminase is one of the most promising enzymes in chloroplast bioenergetics due to its link with polyamine pathways and the cross talk with signals such as Ca(2+) and GTP. Here, we show the effect of the increase of transglutaminase activity in Arabidopsis by using genetic transformation techniques. These lines fulfill their biological cycle normally (normal growth in soil, production of viable seeds) and show a relatively mild increase in transglutaminase activity (127%). These overexpressors of transglutaminase (OE TGase) have an extended stroma thylakoid network (71% higher number of PSIIβ centers), similar chlorophyll content (-4%), higher linear electron flow (+13%), and higher threshold of photoprotection activation (∼100%). On the other hand OE TGase showed a reduced maximum photochemistry of PSII (-6.5%), a smaller antenna per photosystem II (-25%), a lower photoprotective "energization" quenching or qE (-77% at 490 μmol photons m(-2) s(-1)) due to a higher threshold of qE activation and slightly lower light induced proton motive force (-17%). The role of the polyamines and of the transglutaminase in the regulation of chemiosmosis and photoprotection in chloroplasts is discussed.
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Affiliation(s)
| | | | - Josep M. Torné
- Department of Molecular Genetics, Center for Research in Agricultural GenomicsBarcelona, Spain
| | - Mireya Santos
- Department of Molecular Genetics, Center for Research in Agricultural GenomicsBarcelona, Spain
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11
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Aloisi I, Cai G, Serafini-Fracassini D, Del Duca S. Transglutaminase as polyamine mediator in plant growth and differentiation. Amino Acids 2016; 48:2467-78. [DOI: 10.1007/s00726-016-2235-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 04/11/2016] [Indexed: 01/23/2023]
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12
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Cugno G, Parreira JR, Ferlizza E, Hernández-Castellano LE, Carneiro M, Renaut J, Castro N, Arguello A, Capote J, Campos AMO, Almeida AM. The Goat (Capra hircus) Mammary Gland Mitochondrial Proteome: A Study on the Effect of Weight Loss Using Blue-Native PAGE and Two-Dimensional Gel Electrophoresis. PLoS One 2016; 11:e0151599. [PMID: 27031334 PMCID: PMC4816393 DOI: 10.1371/journal.pone.0151599] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 03/01/2016] [Indexed: 12/23/2022] Open
Abstract
Seasonal weight loss (SWL) is the most important limitation to animal production in the Tropical and Mediterranean regions, conditioning producer’s incomes and the nutritional status of rural communities. It is of importance to produce strategies to oppose adverse effects of SWL. Breeds that have evolved in harsh climates have acquired tolerance to SWL through selection. Most of the factors determining such ability are related to changes in biochemical pathways as affected by SWL. In this study, a gel based proteomics strategy (BN: Blue-Native Page and 2DE: Two-dimensional gel electrophoresis) was used to characterize the mitochondrial proteome of the secretory tissue of the goat mammary gland. In addition, we have conducted an investigation of the effects of weight loss in two goat breeds with different levels of adaptation to nutritional stress: Majorera (tolerant) and Palmera (susceptible). The study used Majorera and Palmera dairy goats, divided in 4 sets, 2 for each breed: underfed group fed on wheat straw (restricted diet, so their body weight would be 15–20% reduced by the end of experiment), and a control group fed with an energy-balanced diet. At the end of the experimental period (22 days), mammary gland biopsies were obtained for all experimental groups. The proteomic analysis of the mitochondria enabled the resolution of a total of 277 proteins, and 148 (53%) were identified by MALDI-TOF/TOF mass spectrometry. Some of the proteins were identified as subunits of the glutamate dehydrogenase complex and the respiratory complexes I, II, IV, V from mitochondria, as well as numerous other proteins with functions in: metabolism, development, localization, cellular organization and biogenesis, biological regulation, response to stimulus, among others, that were mapped in both BN and 2DE gels. The comparative proteomics analysis enabled the identification of several proteins: NADH-ubiquinone oxidoreductase 75 kDa subunit and lamin B1 mitochondrial (up-regulated in the Palmera breed), Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-2 (up-regulated in the Majorera breed) and cytochrome b-c1 complex subunit 1, mitochondrial and Chain D, Bovine F1-C8 Sub-Complex Of Atp Synthase (down-regulated in the Majorera breed) as a consequence of weight loss.
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Affiliation(s)
- Graziano Cugno
- CIIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Porto, Portugal
- Animal Science Department, Universidad de Las Palmas de Gran Canaria, Arucas, Gran Canaria, Spain
| | - José R. Parreira
- IBET – Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal
- ITQB/UNL – Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Enea Ferlizza
- CIIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Porto, Portugal
- Department of Veterinary Medical Sciences, University of Bologna, Bologna, Italy
| | - Lorenzo E. Hernández-Castellano
- Animal Science Department, Universidad de Las Palmas de Gran Canaria, Arucas, Gran Canaria, Spain
- Veterinary Physiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Mariana Carneiro
- CIIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Porto, Portugal
| | - Jenny Renaut
- LIST – Luxemburg Institute of Science and Technology, Belvaux, Luxemburg
| | - Noemí Castro
- Animal Science Department, Universidad de Las Palmas de Gran Canaria, Arucas, Gran Canaria, Spain
| | - Anastasio Arguello
- Animal Science Department, Universidad de Las Palmas de Gran Canaria, Arucas, Gran Canaria, Spain
| | - Juan Capote
- Instituto Canario de Investigaciones Agrarias, Valle Guerra, Tenerife, Spain
| | - Alexandre M. O. Campos
- CIIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Porto, Portugal
| | - André M. Almeida
- IBET – Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal
- ITQB/UNL – Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Oeiras, Portugal
- CIISA-Centro Interdisciplinar de Investigação em Sanidade Animal, Lisboa, Portugal
- * E-mail:
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Sobieszczuk-Nowicka E, Zmienko A, Samelak-Czajka A, Łuczak M, Pietrowska-Borek M, Iorio R, Del Duca S, Figlerowicz M, Legocka J. Dark-induced senescence of barley leaves involves activation of plastid transglutaminases. Amino Acids 2015; 47:825-38. [PMID: 25583605 PMCID: PMC4361728 DOI: 10.1007/s00726-014-1912-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 12/27/2014] [Indexed: 12/13/2022]
Abstract
Transglutaminases (E.C. 2.3.2.13) catalyze the post-translational modification of proteins by establishing ε-(γ-glutamyl) lysine isopeptide bonds and by the covalent conjugation of polyamines to endo-glutamyl residues of proteins. In light of the confirmed role of transglutaminases in animal cell apoptosis and only limited information on the role of these enzymes in plant senescence, we decided to investigate the activity of chloroplast transglutaminases (ChlTGases) and the fate of chloroplast-associated polyamines in Hordeum vulgare L. 'Nagrad' leaves, where the senescence process was induced by darkness (day 0) and continued until chloroplast degradation (day 12). Using an anti-TGase antibody, we detected on a subcellular level, the ChlTGases that were associated with destacked/degraded thylakoid membranes, and beginning on day 5, were also found in the stroma. Colorimetric and radiometric assays revealed during senescence an increase in ChlTGases enzymatic activity. The MS/MS identification of plastid proteins conjugated with exogenous polyamines had shown that the ChlTGases are engaged in the post-translational modification of proteins involved in photosystem organization, stress response, and oxidation processes. We also computationally identified the cDNA of Hv-Png1-like, a barley homologue of the Arabidopsis AtPng1 gene. Its mRNA level was raised from days 3 to 10, indicating that transcriptional regulation controls the activity of barley ChlTGases. Together, the presented results deepen our knowledge of the mechanisms of the events happened in dark-induced senescence of barley leaves that might be activation of plastid transglutaminases.
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Affiliation(s)
- E Sobieszczuk-Nowicka
- Department of Plant Physiology, Faculty of Biology, Adam Mickiewicz University of Poznań, ul. Umultowska 89, 61-614, Poznań, Poland,
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14
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Campos N, Torné JM, Bleda MJ, Manich A, Urreta I, Montalbán IA, Castañón S, Moncalean P, Santos M. Proteomic and transcriptomic analysis of rice tranglutaminase and chloroplast-related proteins. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2014; 229:142-153. [PMID: 25443841 DOI: 10.1016/j.plantsci.2014.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Revised: 09/08/2014] [Accepted: 09/09/2014] [Indexed: 05/09/2023]
Abstract
The recently cloned rice transglutaminase gene (tgo) is the second plant transglutaminase identified to date (Campos et al. Plant Sci. 205-206 (2013) 97-110). Similarly to its counterpart in maize (tgz), this rice TGase was localized in the chloroplast, although in this case not exclusively. To further characterise plastidial tgo functionality, proteomic and transcriptomic studies were carried out to identify possible TGO-related proteins. Some LHCII antenna proteins were identified as TGO related using an in vitro proteomic approach, as well as ATPase and some PSII core proteins by mass spectrometry. To study the relationship between TGO and other plastidial proteins, a transcriptomic in vivo Dynamic Array (Fluidigm™) was used to analyse the mRNA expression of 30 plastidial genes with respect to that of tgo, in rice plants subjected to different periods of continuous illumination. The results indicated a gene-dependent tendency in the expression pattern that was related to tgo expression and to the illumination cycle. For certain genes, including tgo, significant differences between treatments, principally at the initiation and/or at the end of the illumination period, connected with the day/night cycling of gene expression, were observed. The tgo expression was especially related to plastidial proteins involved in photoprotection and the thylakoid electrochemical gradient.
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Affiliation(s)
- N Campos
- Molecular Genetics Department, Centre for Research in Agricultural Genomics: CRAG (Consorci CSIC-IRTA-UAB-UB), Campus UAB, Bellaterra, 08193 Barcelona, Spain.
| | - J M Torné
- Molecular Genetics Department, Centre for Research in Agricultural Genomics: CRAG (Consorci CSIC-IRTA-UAB-UB), Campus UAB, Bellaterra, 08193 Barcelona, Spain.
| | - M J Bleda
- Institute of Advanced Chemistry of Catalonia IQAC, CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain.
| | - A Manich
- Department of Chemical and Surfactants Technology, Institute of Advanced Chemistry of Catalonia IQAC, CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain.
| | - I Urreta
- Biotechnology Department, Neiker-Tecnalia, Arkaute, Vitoria, Campus Agroalimentario de Arkaute, Aptdo.46, E-01080 Vitoria-Gasteiz, Araba, Spain.
| | - I A Montalbán
- Biotechnology Department, Neiker-Tecnalia, Arkaute, Campus Agroalimentario de Arkaute Apto 46, E-01080, Vitoria-Gasteiz, Araba, Spain.
| | - S Castañón
- Biotechnology Department, Neiker-Tecnalia, Arkaute, Campus Agroalimentario de Arkaute, Aptdo.46, E-01080 Vitoria-Gasteiz, Araba, Spain.
| | - P Moncalean
- Biotechnology Department, Neiker-Tecnalia, Arkaute, Campus Agroalimentario de Arkaute, Apto 46, E-01080 Vitoria-Gasteiz, Araba, Spain.
| | - M Santos
- Molecular Genetics Department, Centre for Research in Agricultural Genomics: CRAG (Consorci CSIC-IRTA-UAB-UB), Campus UAB, Bellaterra, 08193 Barcelona, Spain.
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Martins IM, Matos M, Costa R, Silva F, Pascoal A, Estevinho LM, Choupina AB. Transglutaminases: recent achievements and new sources. Appl Microbiol Biotechnol 2014; 98:6957-64. [PMID: 24962119 DOI: 10.1007/s00253-014-5894-1] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Revised: 06/10/2014] [Accepted: 06/11/2014] [Indexed: 02/07/2023]
Abstract
Transglutaminases are a family of enzymes (EC 2.3.2.13), widely distributed in various organs, tissues, and body fluids, that catalyze the formation of a covalent bond between a free amine group and the γ-carboxamide group of protein or peptide-bound glutamine. Besides forming these bonds, that exhibit high resistance to proteolytic degradation, transglutaminases also form extensively cross-linked, generally insoluble, protein biopolymers that are indispensable for the organism to create barriers and stable structures. The extremely high cost of transglutaminase of animal origin has hampered its wider application and has initiated efforts to find an enzyme of microbial origin. Since the early 1990s, many microbial transglutaminase-producing strains have been found, and production processes have been optimized. This has resulted in a rapidly increasing number of applications of transglutaminase in the food sector. However, applications of microbial transglutaminase in other sectors have also been explored, but in a much lesser extent. Our group has identified a transglutaminase in the oomycete Phytophthora cinnamomi, which is able to induct defense responses and disease-like symptoms. In this mini-review, we report the achievements in this area in order to illustrate the importance and the versatility of transglutaminases.
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Affiliation(s)
- Ivone M Martins
- CIMO-Mountain Research Center, Agricultural College of Bragança, Polytechnic Institute of Bragança, Campus de Santa Apolónia, Apartado 1172, 5301-855, Bragança, Portugal
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Del Duca S, Serafini-Fracassini D, Cai G. Senescence and programmed cell death in plants: polyamine action mediated by transglutaminase. FRONTIERS IN PLANT SCIENCE 2014; 5:120. [PMID: 24778637 PMCID: PMC3985020 DOI: 10.3389/fpls.2014.00120] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Accepted: 03/12/2014] [Indexed: 05/14/2023]
Abstract
Research on polyamines (PAs) in plants laps a long way of about 50 years and many roles have been discovered for these aliphatic cations. PAs regulate cell division, differentiation, organogenesis, reproduction, dormancy-break and senescence, homeostatic adjustments in response to external stimuli and stresses. Nevertheless, the molecular mechanisms of their multiple activities are still matter of research. PAs are present in free and bound forms and interact with several important cell molecules; some of these interactions may occur by covalent linkages catalyzed by transglutaminase (TGase), giving rise to "cationization" or cross-links among specific proteins. Senescence and programmed cell death (PCD) can be delayed by PAs; in order to re-interpret some of these effects and to obtain new insights into their molecular mechanisms, their conjugation has been revised here. The TGase-mediated interactions between proteins and PAs are the main target of this review. After an introduction on the characteristics of this enzyme, on its catalysis and role in PCD in animals, the plant senescence and PCD models in which TGase has been studied, are presented: the corolla of naturally senescing or excised flowers, the leaves senescing, either excised or not, the pollen during self-incompatible pollination, the hypersensitive response and the tuber storage parenchyma during dormancy release. In all the models examined, TGase appears to be involved by a similar molecular mechanism as described during apoptosis in animal cells, even though several substrates are different. Its effect is probably related to the type of PCD, but mostly to the substrate to be modified in order to achieve the specific PCD program. As a cross-linker of PAs and proteins, TGase is an important factor involved in multiple, sometimes controversial, roles of PAs during senescence and PCD.
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Affiliation(s)
- Stefano Del Duca
- Department of Biological, Geological and Environmental Sciences (Botany), University of BolognaBologna, Italy
| | | | - Giampiero Cai
- Department of Life Sciences, University of SienaSiena, Italy
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Sobieszczuk-Nowicka E, Legocka J. Plastid-associated polyamines: their role in differentiation, structure, functioning, stress response and senescence. PLANT BIOLOGY (STUTTGART, GERMANY) 2014; 16:297-305. [PMID: 23889994 DOI: 10.1111/plb.12058] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Accepted: 05/06/2013] [Indexed: 05/03/2023]
Abstract
Polyamines are low-molecular weight biogenic amines. They are a specific group of cell growth and development regulators. In the past decade biochemical, molecular and genetic studies have contributed much to a better understanding of the biological role of polyamines in the plant cell. Substantial evidence has also been added to our understanding of the role of polyamines in plastid development. In developing chloroplasts, polyamines serve as a nitrogen source for protein and chlorophyll synthesis. In chloroplast structure, thylakoid proteins linked to polyamines belong mainly to antenna proteins of light-harvesting chlorophyll a/b-protein complexes. The fact that LHCII oligomeric forms are much more intensely labelled by polyamines, in comparison to monomeric forms, suggests that polyamines participate in oligomer stabilisation. In plastid metabolism, polyamines modulate effectiveness of photosynthesis. The role of polyamines in mature chloroplasts is also related to the photo-adaptation of the photosynthetic apparatus to low and high light intensity and its response to environmental stress. The occurrence of polyamines and enzymes participating in their metabolism at every stage of plastid development indicates that polyamines play a role in plastid differentiation, structure, functioning and senescence.
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Affiliation(s)
- E Sobieszczuk-Nowicka
- Department of Plant Physiology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
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Kieliszek M, Misiewicz A. Microbial transglutaminase and its application in the food industry. A review. Folia Microbiol (Praha) 2013; 59:241-50. [PMID: 24198201 PMCID: PMC3971462 DOI: 10.1007/s12223-013-0287-x] [Citation(s) in RCA: 227] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Accepted: 10/14/2013] [Indexed: 12/19/2022]
Abstract
The extremely high costs of manufacturing transglutaminase from animal origin (EC 2.3.2.13) have prompted scientists to search for new sources of this enzyme. Interdisciplinary efforts have been aimed at producing enzymes synthesised by microorganisms which may have a wider scope of use. Transglutaminase is an enzyme that catalyses the formation of isopeptide bonds between proteins. Its cross-linking property is widely used in various processes: to manufacture cheese and other dairy products, in meat processing, to produce edible films and to manufacture bakery products. Transglutaminase has considerable potential to improve the firmness, viscosity, elasticity and water-binding capacity of food products. In 1989, microbial transglutaminase was isolated from Streptoverticillium sp. Its characterisation indicated that this isoform could be extremely useful as a biotechnological tool in the food industry. Currently, enzymatic preparations are used in almost all industrial branches because of their wide variety and low costs associated with their biotechnical production processes. This paper presents an overview of the literature addressing the characteristics and applications of transglutaminase.
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Affiliation(s)
- Marek Kieliszek
- Department of Microbiology, Institute of Agricultural and Food Biotechnology, Rakowiecka, 36 St., 02-532, Warsaw, Poland,
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Campos A, Araújo P, Pinheiro C, Azevedo J, Osório H, Vasconcelos V. Effects on growth, antioxidant enzyme activity and levels of extracellular proteins in the green alga Chlorella vulgaris exposed to crude cyanobacterial extracts and pure microcystin and cylindrospermopsin. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2013; 94:45-53. [PMID: 23726538 DOI: 10.1016/j.ecoenv.2013.04.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2012] [Revised: 03/18/2013] [Accepted: 04/23/2013] [Indexed: 06/02/2023]
Abstract
Toxic cyanobacteria and cyanotoxins have been pointed as important players in the control of phytoplankton diversity and species abundance, causing ecological unbalances and contamination of the environment. In vitro experiments have been undertaken to address the impact of toxic cyanobacteria in green algae. In this regard the aim of this work was to compare the toxicity of two cyanobacteria species, Aphanizomenon ovalisporum and Microcystis aeruginosa, to the green alga Chlorella vulgaris by assessing culture growth when exposed for three and seven days to (I) cyanobacterial cell extracts and (II) pure toxins microcystin-LR (MC-LR) and cylindrospermopsin (CYN). The biochemical response of the green alga to pure toxins was also characterized, through the activity of the antioxidant markers glutathione S-transferase (GST) and glutathione peroxidase (GPx) and the expressed extracellular proteins in seven-day exposed cultures. A. ovalisporum crude extracts were toxic to C. vulgaris. Pure toxins up to 179.0 µg/L, on the other hand, stimulated the green alga growth. Growth results suggest that the toxicity of A. ovalisporum extracts is likely due to a synergistic action of CYN and other metabolites produced by the cyanobacterium. Regarding the green alga antioxidant defense mechanism, CYN at 18.4 and 179.0 µg/L increased the activity of GPx and GST while MC-LR inhibited the enzymes' activity at a concentration of 179.0 µg/L demonstrating a contrasting mode of action. Moreover the identification of F-ATPase subunit, adenylate cyclase, sulfate ABC transporter, putative porin, aspartate aminotransferase, methylene-tetrahydrofolate dehydrogenase and chlorophyll a binding proteins in the culture medium of C. vulgaris indicates that biochemical processes involved in the transport of metabolites, photosynthesis and amino acid metabolism are affected by cyanobacterial toxins and may contribute to the regulation of green alga growth.
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Affiliation(s)
- Alexandre Campos
- Interdisciplinary Centre of Marine and Environmental Research, CIIMAR/CIMAR, Porto, Portugal.
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Campos N, Castañón S, Urreta I, Santos M, Torné JM. Rice transglutaminase gene: Identification, protein expression, functionality, light dependence and specific cell location. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2013; 205-206:97-110. [PMID: 23498867 DOI: 10.1016/j.plantsci.2013.01.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 01/17/2013] [Accepted: 01/21/2013] [Indexed: 05/04/2023]
Abstract
Transglutaminases (TGases), that catalyze post-translational modification of proteins, are scarcely known in plants. As part of a project to characterize transglutaminase genes in new plant species, the identification and characterization of a TGase in rice is presented. Using differential primers, a cDNA (tgo) of 1767bp from genomic rice DNA amplification was obtained. The primers were designed from the rice DNA sequence relatively homologous to the gene encoding active maize chloroplast TGase. Amino acid sequence of the deduced rice TGase protein (TGO) indicated that it contains the enzyme catalytic triad (Cys-His-Asp), three repeats, myristoylation domains and a leucine zipper motif. The TGO recombinant protein was characterized, showing specific activity regulation, and indicating that tgo encoded for an authentic TGase. Substrate preference and Ca(2+) dependent activity were also detected. In the rice plant TGO protein was immunolocalized in the grana chloroplasts, in protein vesicles near them, and in the bulliform cells. Immunoblot analyses, tgo mRNA expression, and TGase activity indicated that TGO expression in rice was light dependent and regulated by the illumination period. This work increases significantly our plant TGase understanding. Its functional role in rice, which is a good model system for C3 plants, is discussed.
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Affiliation(s)
- N Campos
- Molecular Genetics Department, Centre for Research in Agricultural Genomics: CRAG (Consorci CSIC-IRTA-UAB-UB), Campus UAB, Bellaterra, 08193 Barcelona, Spain.
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21
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Ioannidis NE, Lopera O, Santos M, Torné JM, Kotzabasis K. Role of plastid transglutaminase in LHCII polyamination and thylakoid electron and proton flow. PLoS One 2012; 7:e41979. [PMID: 22870182 PMCID: PMC3411467 DOI: 10.1371/journal.pone.0041979] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Accepted: 06/28/2012] [Indexed: 01/09/2023] Open
Abstract
Transglutaminases function as biological glues in animal cells, plant cells and microbes. In energy producing organelles such as chloroplasts the presence of transglutaminases was recently confirmed. Furthermore, a plastidial transglutaminase has been cloned from maize and the first plants overexpressing tgz are available (Nicotiana tabacum TGZ OE). Our hypothesis is that the overexpression of plastidal transglutaminase will alter photosynthesis via increased polyamination of the antenna of photosystem II. We have used standard analytical tools to separate the antenna from photosystem II in wild type and modified plants, 6 specific antibodies against LHCbs to confirm their presence and sensitive HPLC method to quantify the polyamination level of these proteins. We report that bound spermidine and spermine were significantly increased (∼80%) in overexpressors. Moreover, we used recent advances in in vivo probing to study simultaneously the proton and electron circuit of thylakoids. Under physiological conditions overexpressors show a 3-fold higher sensitivity of the antenna down regulation loop (qE) to the elicitor (luminal protons) which is estimated as the ΔpH component of thylakoidal proton motive force. In addition, photosystem (hyper-PSIIα) with an exceptionally high antenna (large absorption cross section), accumulate in transglutaminase over expressers doubling the rate constant of light energy utilization (Kα) and promoting thylakoid membrane stacking. Polyamination of antenna proteins is a previously unrecognized mechanism for the modulation of the size (antenna absorption cross section) and sensitivity of photosystem II to down regulation. Future research will reveal which peptides and which residues of the antenna are responsible for such effects.
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Affiliation(s)
- Nikolaos E. Ioannidis
- Department of Biology, University of Crete, Voutes University Campus, Heraklion, Crete, Greece
- Departament de Genètica Molecular, Centre for Research in Agricultural Genomics, CRAG (CSIC-IRTA-UAB-UB), Barcelona, Spain
| | - Oriol Lopera
- Departament de Genètica Molecular, Centre for Research in Agricultural Genomics, CRAG (CSIC-IRTA-UAB-UB), Barcelona, Spain
| | - Mireya Santos
- Departament de Genètica Molecular, Centre for Research in Agricultural Genomics, CRAG (CSIC-IRTA-UAB-UB), Barcelona, Spain
| | - Josep M. Torné
- Departament de Genètica Molecular, Centre for Research in Agricultural Genomics, CRAG (CSIC-IRTA-UAB-UB), Barcelona, Spain
| | - Kiriakos Kotzabasis
- Department of Biology, University of Crete, Voutes University Campus, Heraklion, Crete, Greece
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Remmerie N, De Vijlder T, Laukens K, Dang TH, Lemière F, Mertens I, Valkenborg D, Blust R, Witters E. Next generation functional proteomics in non-model plants: A survey on techniques and applications for the analysis of protein complexes and post-translational modifications. PHYTOCHEMISTRY 2011; 72:1192-218. [PMID: 21345472 DOI: 10.1016/j.phytochem.2011.01.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2010] [Revised: 11/21/2010] [Accepted: 01/03/2011] [Indexed: 05/11/2023]
Abstract
The congruent development of computational technology, bioinformatics and analytical instrumentation makes proteomics ready for the next leap. Present-day state of the art proteomics grew from a descriptive method towards a full stake holder in systems biology. High throughput and genome wide studies are now made at the functional level. These include quantitative aspects, functional aspects with respect to protein interactions as well as post translational modifications and advanced computational methods that aid in predicting protein function and mapping these functionalities across the species border. In this review an overview is given of the current status of these aspects in plant studies with special attention to non-genomic model plants.
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Affiliation(s)
- Noor Remmerie
- Center for Proteomics, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
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Carvajal P, Gibert J, Campos N, Lopera O, Barberà E, Torné JM, Santos M. Activity of maize transglutaminase overexpressed in Escherichia coli inclusion bodies: an alternative to protein refolding. Biotechnol Prog 2011; 27:232-40. [PMID: 21312370 DOI: 10.1002/btpr.538] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2010] [Revised: 09/21/2010] [Indexed: 11/09/2022]
Abstract
Transglutaminases (TGases) catalyze protein post-translational modification by ε-(γ-glutamyl) links and covalent polyamine conjugation. In plants, this enzyme is poorly characterized and only the maize plastidial TGase gene (tgz) has been cloned. The tgz gene (Patent WWO03102128) had been subcloned and overexpressed in Escherichia coli cells, and the recombinant protein (TGZp) was present mainly in inclusion bodies (IB) fraction. In this work, after overexpression of TGZ15p and SDS-PAGE IB fraction analysis, bands about 65 and 56 kDa were obtained. Western blot, alkylation and MALDI-TOF/TOF analyses indicated that the 56 kDa band corresponded to a truncated sequence from the native TGZ15p (expected MW 65 kDa), by elimination of a chloroplast signal peptide fragment during expression processing. So that large-scale protein production and protein crystallization can be applied, we characterized the TGZ15p enzyme activity in the IB protein fraction, with and without refolding. Results indicate that it presented the biochemical characteristics of other described TGases, showing a certain plant-substrate preference. Solubilization of the IB fraction with Triton X-100 as nondenaturing detergent yielded active TGZ without the need for refolding, giving activity values comparable to those of the refolded protein, indicating that this is a valuable, faster way to obtain TGZ active protein.
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Affiliation(s)
- Patricia Carvajal
- Dept. of Molecular Genetics, Centre de Recerca Agrigenomica CRAG (CSIC-IRTA-UAB), Jordi Girona Salgado 18-24, 08034 Barcelona, Spain
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