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The characterization of novel monomeric creatine kinases in the early branching Alveolata species, Perkinsus marinus: Implications for phosphagen kinase evolution. Comp Biochem Physiol B Biochem Mol Biol 2022; 262:110758. [PMID: 35598705 DOI: 10.1016/j.cbpb.2022.110758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/14/2022] [Accepted: 05/16/2022] [Indexed: 11/20/2022]
Abstract
The genome of the unicellular molluscan parasite Perkinsus marinus contains at least five genes coding for putative creatine kinases (CK), a phosphoryl transfer enzyme which plays a key role in cellular energy transactions. Expression and kinetic analyses of three of the P. marinus CKs revealed them to be true CKs with catalytic properties in the range of typical metazoan CKs. A sequence comparison of the P. marinus CKs with a range of CK dimers and other dimeric phosphoryl transfer enzymes in this family (phosphagen kinases) showed that the P. marinus CKs lacked some of the critical residues involved in dimer stabilization, a trait all previously characterized CKs share. Size exclusion chromatography of all three expressed P. marinus CK constructs indicated they are monomeric, consistent with the observed lack of some critical dimer stabilizing residues. Phylogenetic analyses of the P. marinus CKs and putative dinoflagellate CKs with a broad range of monomeric and dimeric phosphagen kinases revealed that the Perkinsus CKs form a distinct, well-supported clade with dinoflagellate CKs which also lack the dimer stabilizing residues. Analysis of the genomic data for P. marinus showed the presence of putative genes for the two enzymes associated with creatine biosynthesis. CK in higher organisms plays a critical role in energy buffering in cell types displaying high and variable rates of ATP turnover. The presence of multiple CKs and the creatine biosynthetic pathway in P. marinus indicates that this unicellular parasite has the full complement of molecular machinery for CK-mediated energy buffering.
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Yano D, Suzuki T. Phosphagen kinases from five groups of eukaryotic protists (Choanomonada, Alveolate, Stramenopiles, Haptophyta, and Cryptophyta): Diverse enzyme activities and phylogenetic relationship with metazoan enzymes. Comp Biochem Physiol B Biochem Mol Biol 2021; 257:110663. [PMID: 34364990 DOI: 10.1016/j.cbpb.2021.110663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/25/2021] [Accepted: 08/02/2021] [Indexed: 11/16/2022]
Abstract
Among 28 groups of eukaryotes, apart from Metazoa, phosphagen kinase (PKs) is distributed in only a few protist groups, including the Choanomonada with the closest affinity to metazoans. To clarify the origin of metazoan PKs, we performed a database search and focused on 11 sequences of PK homologs from five groups of protists: the Choanomonada, Alveolata, Haptophyta, Stramenopiles, and Cryptophyta. The recombinant enzymes were prepared to determine their substrate specificity. Emiliania (Haptophyta), Anophryoides, Pseudocohnilembus, Vitrella and Chromera (Alveolata), and Monosiga (Choanomonada) all contained a gene for arginine kinase (AK). In contrast, Aphanomyces, Albugo and Ectocarpus (Stramenopiles), and Guillardia (Cryptophyta) possessed a gene for taurocyamine kinase (TK). The Guillardia TK enzyme exhibited rather strong substrate inhibition toward taurocyamine, which was analyzed using the most likely kinetic model. This was the first report of substrate inhibition in a TK. Together with the research results from other groups, the AK, TK, or creatine kinase (CK) activities have been observed sporadically in at least six groups of protists. However, it is not clear the three enzyme activities were emerged early in the evolution and divergence of protist groups, or some of enzyme activities were introduced to the protists by horizontal gene transfer. In addition, we found that seven protist enzymes examined in this study possess a myristoylation signaling sequence at the N-terminus. The amino-acid sequence around the guanidine-specificity region and the key residue at 89th position of the protist AK and CK were homologous to those of the metazoan enzymes, but those for protist TKs were different indicating that the latter evolved independently.
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Affiliation(s)
- Daichi Yano
- Laboratory of Biochemistry, Faculty of Science and Technology, Kochi University, Kochi 780-8520, Japan
| | - Tomohiko Suzuki
- Laboratory of Biochemistry, Faculty of Science and Technology, Kochi University, Kochi 780-8520, Japan.
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Huang Y, Wu D, Li Y, Chen Q, Zhao Y. Characterization and expression of arginine kinase 2 from Macrobrachium nipponense in response to salinity stress. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 113:103804. [PMID: 32738337 DOI: 10.1016/j.dci.2020.103804] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 06/11/2023]
Abstract
Salinity is a fundamental environmental factor in aquaculture, and arginine kinase (AK) plays imperative roles in innate immune feedback and stress resistance in invertebrates. In the current study, we cloned a full-length cDNA of arginine kinase 2 (MnAK2, GenBank number, MN149533) in Macrobrachium nipponense and analyzed its function through a salinity challenge using bioinformatic approaches. MnAK2 was expressed at the highest levels in hepatopancreas and muscle. Changes in the expression levels of MnAK2, enzymes involved in innate immunity, antioxidant enzymes, and antioxidant enzyme-related genes, and the glutathione and malondialdehyde contents were investigated after 6-week salinity treatment. The expression of MnAK2 gradually increased as salinity increased, and western blotting showed that MnAK2 was significantly upregulated in the 14 and 22 ppt salinity-treatment groups relative to the control group. The findings indicate that high salinity produces oxidative stress and that salinity below isotonic salinity might improve the antioxidant response in M. nipponense. MnAK2 may play a crucial role in the response to salinity stress in M. nipponense.
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Affiliation(s)
- Youhui Huang
- School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Donglei Wu
- School of Life Sciences, East China Normal University, Shanghai, 200241, China; Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Yiming Li
- School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Qiang Chen
- School of Life Sciences, East China Normal University, Shanghai, 200241, China
| | - Yunlong Zhao
- School of Life Sciences, East China Normal University, Shanghai, 200241, China; State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, 200241, China.
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Piper P, Begres B, Snider M, Fraga D. Two cryptosporidia species encode active creatine kinases that are not seen in other apicomplexa species. Comp Biochem Physiol B Biochem Mol Biol 2020; 246-247:110459. [DOI: 10.1016/j.cbpb.2020.110459] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/11/2020] [Accepted: 05/14/2020] [Indexed: 12/18/2022]
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Yano D, Funadani R, Uda K, Matsuoka T, Suzuki T. Role of arginine kinase in Paramecium tetraurelia (Ciliophora, Peniculida): Subcellular localization of AK3 and phosphoarginine shuttle system in cilia. Eur J Protistol 2020; 74:125705. [DOI: 10.1016/j.ejop.2020.125705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 03/29/2020] [Accepted: 04/13/2020] [Indexed: 01/02/2023]
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Wagschal K, Jordan DB, Hart-Cooper WM, Chan VJ. Penicillium camemberti galacturonate reductase: C-1 oxidation/reduction of uronic acids and substrate inhibition mitigation by aldonic acids. Int J Biol Macromol 2019; 153:1090-1098. [PMID: 31756465 DOI: 10.1016/j.ijbiomac.2019.10.239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/17/2019] [Accepted: 10/25/2019] [Indexed: 11/24/2022]
Abstract
The enzyme galacturonate oxidoreductase PcGOR from Penicillium camemberti reduces the C-1 carbon of D-glucuronate and C-4 epimer D-galacturonate to their corresponding aldonic acids, important reactions in both pectin catabolism and ascorbate biosynthesis. PcGOR was active on both glucuronic acid and galacturonic acid, with similar substrate specificities (kcat/Km) using the preferred co-substrate NADPH. Substrate acceptance extended to lactone congeners, and D-glucurono-3,6-lactone was converted to L-gulono-1,4-lactone, an immediate precursor of ascorbate. Reaction with glucuronate showed only minor substrate inhibition, and the product L-gulonate and L-gulono-1,4-lactone were both found to be competitive inhibitors with Ki in the low mM range. In contrast, reaction with C-4 epimer galacturonate displayed marked substrate inhibition. Moreover, the product L-galactonate and L-galactono-1,4-lactone were observed to mitigate substrate inhibition by galacturonate, with the lactone having a greater effect than the acid.
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Affiliation(s)
- Kurt Wagschal
- USDA Agricultural Research Service, Western Regional Research Center, Albany, CA 94710, USA.
| | - Douglas B Jordan
- USDA Agricultural Research Service, National Center for Agricultural Utilization Research, Peoria, IL 61604, USA
| | - William M Hart-Cooper
- USDA Agricultural Research Service, Western Regional Research Center, Albany, CA 94710, USA
| | - Victor J Chan
- USDA Agricultural Research Service, Western Regional Research Center, Albany, CA 94710, USA
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Petkowski JJ, Bains W, Seager S. Natural Products Containing 'Rare' Organophosphorus Functional Groups. Molecules 2019; 24:E866. [PMID: 30823503 PMCID: PMC6429109 DOI: 10.3390/molecules24050866] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 02/13/2019] [Accepted: 02/22/2019] [Indexed: 12/25/2022] Open
Abstract
Phosphorous-containing molecules are essential constituents of all living cells. While the phosphate functional group is very common in small molecule natural products, nucleic acids, and as chemical modification in protein and peptides, phosphorous can form P⁻N (phosphoramidate), P⁻S (phosphorothioate), and P⁻C (e.g., phosphonate and phosphinate) linkages. While rare, these moieties play critical roles in many processes and in all forms of life. In this review we thoroughly categorize P⁻N, P⁻S, and P⁻C natural organophosphorus compounds. Information on biological source, biological activity, and biosynthesis is included, if known. This review also summarizes the role of phosphorylation on unusual amino acids in proteins (N- and S-phosphorylation) and reviews the natural phosphorothioate (P⁻S) and phosphoramidate (P⁻N) modifications of DNA and nucleotides with an emphasis on their role in the metabolism of the cell. We challenge the commonly held notion that nonphosphate organophosphorus functional groups are an oddity of biochemistry, with no central role in the metabolism of the cell. We postulate that the extent of utilization of some phosphorus groups by life, especially those containing P⁻N bonds, is likely severely underestimated and has been largely overlooked, mainly due to the technological limitations in their detection and analysis.
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Affiliation(s)
- Janusz J Petkowski
- Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Mass. Ave., Cambridge, MA 02139, USA.
| | - William Bains
- Rufus Scientific, 37 The Moor, Melbourn, Royston, Herts SG8 6ED, UK.
| | - Sara Seager
- Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Mass. Ave., Cambridge, MA 02139, USA.
- Department of Physics, Massachusetts Institute of Technology, 77 Mass. Ave., Cambridge, MA 02139, USA.
- Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, 77 Mass. Ave., Cambridge, MA 02139, USA.
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Matsuo T, Yano D, Uda K, Iwasaki N, Suzuki T. Arginine Kinases from the Precious Corals Corallium rubrum and Paracorallium japonicum: Presence of Two Distinct Arginine Kinase Gene Lineages in Cnidarians. Protein J 2017; 36:502-512. [PMID: 29022133 DOI: 10.1007/s10930-017-9745-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The cDNA sequence of arginine kinase (AK) from the precious coral Corallium rubrum was assembled from transcriptome sequence data, and the deduced amino acid sequence of 364 residues was shown to conserve the structural features characteristic of AK. Based on the amino acid sequence, the DNA coding C. rubrum AK was synthesized by overlap extension PCR to prepare the recombinant enzyme. The following kinetic parameters were determined for the C. rubrum enzyme: K aArg (0.10 mM), K iaArg (0.79 mM), K aATP (0.23 mM), K iaATP (2.16 mM), and k cat (74.3 s-1). These are comparable with the kinetic parameters of other AKs. However, phylogenetic analysis suggested that the C. rubrum AK sequence has a distinct origin from that of other known cnidarian AKs with unusual two-domain structure. Using oligomers designed from the sequence of C. rubrum AK, the coding region of genomic DNA of another coral Paracorallium japonicum AK was successfully amplified. Although the nucleotide sequences differed between the two AKs at 14 positions in the coding region, all involved synonymous substitutions, giving the identical amino acid sequence. The P. japonicum AK gene contained one intron at a unique position compared with other cnidarian AK genes. Together with the observations from phylogenetic analysis, the comparison of exon/intron organization supports the idea that two distinct AK gene lineages are present in cnidarians. The difference in the nucleotide sequence between the coding regions of C. rubrum and P. japonicum AKs was 1.28%, which is twice that (0.54%) of mitochondrial DNA, is consistent with the general observation that the mitochondrial genome evolves slower than the nuclear one in cnidarians.
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Affiliation(s)
- Tomoka Matsuo
- Laboratory of Biochemistry, Faculty of Science and Technology, Kochi University, Kochi, 780-8520, Japan
| | - Daichi Yano
- Laboratory of Biochemistry, Faculty of Science and Technology, Kochi University, Kochi, 780-8520, Japan
| | - Kouji Uda
- Laboratory of Biochemistry, Faculty of Science and Technology, Kochi University, Kochi, 780-8520, Japan
| | - Nozomu Iwasaki
- Faculty of Geo-Environment Science, Rissho University, Magechi 1700, Kumagaya, 360-0194, Japan
| | - Tomohiko Suzuki
- Laboratory of Biochemistry, Faculty of Science and Technology, Kochi University, Kochi, 780-8520, Japan.
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