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Takahashi-Nakaguchi A, Horiuchi Y, Yamamoto M, Totsuka Y, Wakabayashi K. Pierisin, Cytotoxic and Apoptosis-Inducing DNA ADP-Ribosylating Protein in Cabbage Butterfly. Toxins (Basel) 2024; 16:270. [PMID: 38922164 PMCID: PMC11209040 DOI: 10.3390/toxins16060270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 06/27/2024] Open
Abstract
Pierisin-1 was serendipitously discovered as a strong cytotoxic and apoptosis-inducing protein from pupae of the cabbage butterfly Pieris rapae against cancer cell lines. This 98-kDa protein consists of the N-terminal region (27 kDa) and C-terminal region (71 kDa), and analysis of their biological function revealed that pierisin-1 binds to cell surface glycosphingolipids on the C-terminal side, is taken up into the cell, and is cleaved to N- and C-terminal portions, where the N-terminal portion mono-ADP-ribosylates the guanine base of DNA in the presence of NAD to induce cellular genetic mutation and apoptosis. Unlike other ADP-ribosyltransferases, pieisin-1 was first found to exhibit DNA mono-ADP-ribosylating activity and show anti-cancer activity in vitro and in vivo against various cancer cell lines. Pierisin-1 was most abundantly produced during the transition from the final larval stage to the pupal stage of the cabbage butterfly, and this production was regulated by ecdysteroid hormones. This suggests that pierisn-1 might play a pivotal role in the process of metamorphosis. Moreover, pierisin-1 could contribute as a defense factor against parasitization and microbial infections in the cabbage butterfly. Pierisin-like proteins in butterflies were shown to be present not only among the subtribe Pierina but also among the subtribes Aporiina and Appiadina, and pierisin-2, -3, and -4 were identified in these butterflies. Furthermore, DNA ADP-ribosylating activities were found in six different edible clams. Understanding of the biological nature of pierisin-1 with DNA mono-ADP-ribosylating activity could open up exciting avenues for research and potential therapeutic applications, making it a subject of great interest in the field of molecular biology and biotechnology.
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Affiliation(s)
| | - Yu Horiuchi
- Aquatic Food Research Laboratory, Central Research Institute, Tokyo Innovation Center, Nissui Corporation, 1-32-3 Shichikoku, Hachioji City 192-0991, Japan
| | - Masafumi Yamamoto
- Central Institute for Experimental Medicine and Life Science, 3-25-12 Tonomachi, Kawasaki-ku, Kawasaki 210-0821, Japan
| | - Yukari Totsuka
- Department of Environmental Health Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
| | - Keiji Wakabayashi
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
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The Crystal Structure of Bacillus thuringiensis Tpp80Aa1 and Its Interaction with Galactose-Containing Glycolipids. Toxins (Basel) 2022; 14:toxins14120863. [PMID: 36548760 PMCID: PMC9784298 DOI: 10.3390/toxins14120863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/21/2022] [Accepted: 11/24/2022] [Indexed: 12/13/2022] Open
Abstract
Tpp80Aa1 from Bacillus thuringiensis is a Toxin_10 family protein (Tpp) with reported action against Culex mosquitoes. Here, we demonstrate an expanded target range, showing Tpp80Aa1 is also active against the larvae of Anopheles gambiae and Aedes aegypti mosquitoes. We report the first crystal structure of Tpp80Aa1 at a resolution of 1.8 Å, which shows Tpp80Aa1 consists of two domains: an N-terminal β-trefoil domain resembling a ricin B lectin and a C-terminal putative pore-forming domain sharing structural similarity with the aerolysin family. Similar to other Tpp family members, we observe Tpp80Aa1 binds to the mosquito midgut, specifically the posterior midgut and the gastric caecum. We also identify that Tpp80Aa1 can interact with galactose-containing glycolipids and galactose, and this interaction is critical for exerting full insecticidal action against mosquito target cell lines.
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Diverse Localization Patterns of an R-Type Lectin in Marine Annelids. Molecules 2021; 26:molecules26164799. [PMID: 34443386 PMCID: PMC8399747 DOI: 10.3390/molecules26164799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/01/2021] [Accepted: 08/03/2021] [Indexed: 11/17/2022] Open
Abstract
Lectins facilitate cell–cell contact and are critical in many cellular processes. Studying lectins may help us understand the mechanisms underlying tissue regeneration. We investigated the localization of an R-type lectin in a marine annelid (Perinereis sp.) with remarkable tissue regeneration abilities. Perinereis nuntia lectin (PnL), a galactose-binding lectin with repeating Gln-X-Trp motifs, is derived from the ricin B-chain. An antiserum was raised against PnL to specifically detect a 32-kDa lectin in the crude extracts from homogenized lugworms. The antiserum detected PnL in the epidermis, setae, oblique muscle, acicula, nerve cord, and nephridium of the annelid. Some of these tissues and organs also produced Galactose (Gal) or N-acetylgalactosamine (GalNAc), which was detected by fluorescent-labeled plant lectin. These results indicated that the PnL was produced in the tissues originating from the endoderm, mesoderm, and ectoderm. Besides, the localizing pattern of PnL partially merged with the binding pattern of a fluorescent-labeled mushroom lectin that binds to Gal and GalNAc. It suggested that PnL co-localized with galactose-containing glycans in Annelid tissue; this might be the reason PnL needed to be extracted with haptenic sugar, such as d-galactose, in the buffer. Furthermore, we found that a fluorescein isothiocyanate-labeled Gal/GalNAc-binding mushroom lectin binding pattern in the annelid tissue overlapped with the localizing pattern of PnL. These findings suggest that lectin functions by interacting with Gal-containing glycoconjugates in the tissues.
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The Buzz about ADP-Ribosylation Toxins from Paenibacillus larvae, the Causative Agent of American Foulbrood in Honey Bees. Toxins (Basel) 2021; 13:toxins13020151. [PMID: 33669183 PMCID: PMC7919650 DOI: 10.3390/toxins13020151] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/02/2021] [Accepted: 02/11/2021] [Indexed: 11/26/2022] Open
Abstract
The Gram-positive, spore-forming bacterium Paenibacillus larvae is the etiological agent of American Foulbrood, a highly contagious and often fatal honey bee brood disease. The species P. larvae comprises five so-called ERIC-genotypes which differ in virulence and pathogenesis strategies. In the past two decades, the identification and characterization of several P. larvae virulence factors have led to considerable progress in understanding the molecular basis of pathogen-host-interactions during P. larvae infections. Among these virulence factors are three ADP-ribosylating AB-toxins, Plx1, Plx2, and C3larvin. Plx1 is a phage-born toxin highly homologous to the pierisin-like AB-toxins expressed by the whites-and-yellows family Pieridae (Lepidoptera, Insecta) and to scabin expressed by the plant pathogen Streptomyces scabiei. These toxins ADP-ribosylate DNA and thus induce apoptosis. While the presumed cellular target of Plx1 still awaits final experimental proof, the classification of the A subunits of the binary AB-toxins Plx2 and C3larvin as typical C3-like toxins, which ADP-ribosylate Rho-proteins, has been confirmed experimentally. Normally, C3-exoenzymes do not occur together with a B subunit partner, but as single domain toxins. Interestingly, the B subunits of the two P. larvae C3-like toxins are homologous to the B-subunits of C2-like toxins with striking structural similarity to the PA-63 protomer of Bacillus anthracis.
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Purification and Functional Characterization of the Effects on Cell Signaling of Mytilectin: A Novel β-Trefoil Lectin from Marine Mussels. Methods Mol Biol 2020. [PMID: 32306329 DOI: 10.1007/978-1-0716-0430-4_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
In the 2010s, a novel lectin family with β-trefoil folding has been identified in marine mussels from the family Mytilidae (phylum Mollusca). "MytiLec-1," the lectin described in this chapter, was the first member of this family to be isolated and characterized from the Mediterranean mussel Mytilus galloprovincialis, a commercially and ecologically important species, spread in marine coastal areas worldwide. MytiLec-1 bound to the sugar moiety of globotriose (Gb3: Galα1-4Galβ1-4Glc), an α-galactoside, leading to apoptosis of Gb3-expressing Burkitt's lymphoma cells. Although the primary structure of MytiLec-1 was quite unusual, its three-dimensional structure was arranged as a β-trefoil fold, which is the typical architecture of "Ricin B chain (or R)-type" lectins, which are found in a broad range of organisms. To date, MytiLec-1-like lectins have been exclusively found in a few species of the mollusk family Mytilidae (M. galloprovincialis, M. trossulus, M. californianus, and Crenomytilus grayanus) and in the phylum Brachiopoda. Transcriptome data revealed the presence of different structural forms of mytilectin in mussels, which included prototype and chimera-type proteins. The primary sequence of these lectins did not match any previously described known protein family, leading to their assignment to the new "mytilectin family." We here report the method of purification of this lectin and describe its use in cell biology.
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Sarathbabu S, Sarma RJ, Lalhruaitluanga H, Velmurugan D, Subramanian S, Kumar NS. In vitro DNA binding activity and molecular docking reveals pierisin-5 as an anti-proliferative agent against gastric cancer. J Biomol Struct Dyn 2019; 38:3474-3488. [PMID: 31530224 DOI: 10.1080/07391102.2019.1659856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Pierisin-5 is a DNA dependent ADP ribosyltransferase (ADRT) protein from the larvae of Indian cabbage white butterfly, Pieris canidia. Interestingly, Pierisin-5 ADP-ribosylates the DNA as a substrate, but not the protein and subsequently persuades apoptotic cell death in human cancer cells. This has led to the investigation on the DNA binding activity of Pierisin-5 using in vitro and in silico approaches in the present study. However, both the structure and the mechanism of ADP-ribosylation of pierisin-5 are unknown. In silico modeled structure of the N-terminal ADRT catalytic domain interacted with the minor groove of B-DNA for ribosylation with the help of β-NAD+ which lead to a structural modification in DNA (DNA adduct). The possible interaction between calf thymus DNA (CT-DNA) and purified pierisin-5 protein was studied through spectral-spatial studies and the blue shift and hyperchromism in the UV-Visible spectra was observed. The DNA adduct property of pierisin-5 protein was validated by in vitro cytotoxic assay on human gastric (AGS) cancer cell lines. Our study is the first report of the mechanism of DNA binding property of pierisin-5 protein which leads to the induction of cytotoxicity and apoptotic cell death against cancer cell lines.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | | | | | - Devadasan Velmurugan
- Centre of Advanced Studies in Crystallography and Biophysics, University of Madras, Chennai, India
| | - Selvi Subramanian
- Department of Biotechnology, PSG College of Technology, Coimbatore, India
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Hasan I, Asaduzzaman AKM, Swarna RR, Fujii Y, Ozeki Y, Uddin MB, Kabir SR. MytiLec-1 Shows Glycan-Dependent Toxicity against Brine Shrimp Artemia and Induces Apoptotic Death of Ehrlich Ascites Carcinoma Cells In Vivo. Mar Drugs 2019; 17:md17090502. [PMID: 31466257 PMCID: PMC6780975 DOI: 10.3390/md17090502] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/21/2019] [Accepted: 08/23/2019] [Indexed: 12/19/2022] Open
Abstract
MytiLec-1, a 17 kDa lectin with β-trefoil folding that was isolated from the Mediterranean mussel (Mytilus galloprovincialis) bound to the disaccharide melibiose, Galα(1,6) Glc, and the trisaccharide globotriose, Galα(1,4) Galβ(1,4) Glc. Toxicity of the lectin was found to be low with an LC50 value of 384.53 μg/mL, determined using the Artemia nauplii lethality assay. A fluorescence assay was carried out to evaluate the glycan-dependent binding of MytiLec-1 to Artemia nauplii. The lectin strongly agglutinated Ehrlich ascites carcinoma (EAC) cells cultured in vivo in Swiss albino mice. When injected intraperitoneally to the mice at doses of 1.0 mg/kg/day and 2.0 mg/kg/day for five consecutive days, MytiLec-1 inhibited 27.62% and 48.57% of cancer cell growth, respectively. Antiproliferative activity of the lectin against U937 and HeLa cells was studied by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay in vitro in RPMI-1640 medium. MytiLec-1 internalized into U937 cells and 50 μg/mL of the lectin inhibited their growth of to 62.70% whereas 53.59% cell growth inhibition was observed against EAC cells when incubated for 24 h. Cell morphological study and expression of apoptosis-related genes (p53, Bax, Bcl-X, and NF-κB) showed that the lectin possibly triggered apoptosis in these cells.
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Affiliation(s)
- Imtiaj Hasan
- Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi-6205, Bangladesh.
| | - A K M Asaduzzaman
- Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Rubaiya Rafique Swarna
- Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Yuki Fujii
- Department of Pharmacy, Faculty of Pharmaceutical Science, Nagasaki International University, 2825-7 Huis Ten Bosch, Sasebo, Nagasaki 859-3298, Japan
| | - Yasuhiro Ozeki
- Department of Life and Environmental System Science, School of Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Md Belal Uddin
- Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Syed Rashel Kabir
- Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi-6205, Bangladesh.
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Fujii Y, Gerdol M, Hasan I, Koide Y, Matsuzaki R, Ikeda M, Rajia S, Ogawa Y, Kawsar SMA, Ozeki Y. Phylogeny and Properties of a Novel Lectin Family with β-Trefoil Folding in Mussels. TRENDS GLYCOSCI GLYC 2018. [DOI: 10.4052/tigg.1717.1e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Yuki Fujii
- Department of Pharmaceutical Sciences, Nagasaki International University
| | - Marco Gerdol
- Department of Life Sciences, University of Trieste
| | - Imtiaj Hasan
- Department of Life and Environmental System Science, Yokohama City University
- Department of Biochemistry and Molecular Biology, University of Rajshahi
| | - Yasuhiro Koide
- Department of Life and Environmental System Science, Yokohama City University
| | - Risa Matsuzaki
- Department of Life and Environmental System Science, Yokohama City University
| | - Mayu Ikeda
- Department of Life and Environmental System Science, Yokohama City University
| | - Sultana Rajia
- Department of Life and Environmental System Science, Yokohama City University
- Department of Pharmacy, Faculty of Pharmacy, Varendra University
| | - Yukiko Ogawa
- Department of Pharmaceutical Sciences, Nagasaki International University
| | - S. M. Abe Kawsar
- Department of Life and Environmental System Science, Yokohama City University
- Department of Chemistry, Faculty of Science, University of Chittagong
| | - Yasuhiro Ozeki
- Department of Life and Environmental System Science, Yokohama City University
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Oda T, Hirabayashi H, Shikauchi G, Takamura R, Hiraga K, Minami H, Hashimoto H, Yamamoto M, Wakabayashi K, Shimizu T, Sato M. Structural basis of autoinhibition and activation of the DNA-targeting ADP-ribosyltransferase pierisin-1. J Biol Chem 2017; 292:15445-15455. [PMID: 28765284 DOI: 10.1074/jbc.m117.776641] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Revised: 07/25/2017] [Indexed: 01/10/2023] Open
Abstract
ADP-ribosyltransferases transfer the ADP-ribose moiety of βNAD+ to an acceptor molecule, usually a protein that modulates the function of the acceptor. Pierisin-1 is an ADP-ribosyltransferase from the cabbage butterfly Pieris rapae and is composed of N-terminal catalytic and C-terminal ricin B-like domains. Curiously, it ADP-ribosylates the DNA duplex, resulting in apoptosis of various cancer cells, which has raised interest in pierisin-1 as an anti-cancer agent. However, both the structure and the mechanism of DNA ADP-ribosylation are unclear. Here, we report the crystal structures of the N-terminal catalytic domain of pierisin-1, its complex with βNAD+, and the catalytic domain with the linker connecting it to the ricin B-like domains. We found that the catalytic domain possesses a defined, positively charged region on the molecular surface but that its overall structure is otherwise similar to those of protein-targeting ADP-ribosyltransferases. Electrophoretic mobility shift assays and site-directed mutagenesis indicated that pierisin-1 binds double-stranded but not single-stranded DNA and that Lys122, Lys123, and Lys124, which are found in a loop, and Arg181 and Arg187, located in a basic cleft near the loop, are required for DNA binding. Furthermore, the structure of the catalytic domain with the linker revealed an autoinhibitory mechanism in which the linker occupies and blocks both the βNAD+- and DNA-binding sites, suggesting that proteolytic cleavage to remove the linker is necessary for enzyme catalysis. Our study provides a structural basis for the DNA-acceptor specificity of pierisin-1 and reveals that a self-regulatory mechanism is required for its activity.
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Affiliation(s)
- Takashi Oda
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Hirokazu Hirabayashi
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Gen Shikauchi
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Ryouma Takamura
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Kiyoshi Hiraga
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Hiroshi Minami
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Hiroshi Hashimoto
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.,the School of Pharmaceutical Sciences and
| | - Masafumi Yamamoto
- the Central Institute for Experimental Animals, Kawasaki 210-0821, Japan, and
| | - Keiji Wakabayashi
- the Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka 422-8526, Japan
| | - Toshiyuki Shimizu
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.,the Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo 113-0033, Japan
| | - Mamoru Sato
- From the Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan,
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Terada D, Voet ARD, Noguchi H, Kamata K, Ohki M, Addy C, Fujii Y, Yamamoto D, Ozeki Y, Tame JRH, Zhang KYJ. Computational design of a symmetrical β-trefoil lectin with cancer cell binding activity. Sci Rep 2017; 7:5943. [PMID: 28724971 PMCID: PMC5517649 DOI: 10.1038/s41598-017-06332-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 06/12/2017] [Indexed: 01/24/2023] Open
Abstract
Computational protein design has advanced very rapidly over the last decade, but there remain few examples of artificial proteins with direct medical applications. This study describes a new artificial β-trefoil lectin that recognises Burkitt’s lymphoma cells, and which was designed with the intention of finding a basis for novel cancer treatments or diagnostics. The new protein, called “Mitsuba”, is based on the structure of the natural shellfish lectin MytiLec-1, a member of a small lectin family that uses unique sequence motifs to bind α-D-galactose. The three subdomains of MytiLec-1 each carry one galactose binding site, and the 149-residue protein forms a tight dimer in solution. Mitsuba (meaning “three-leaf” in Japanese) was created by symmetry constraining the structure of a MytiLec-1 subunit, resulting in a 150-residue sequence that contains three identical tandem repeats. Mitsuba-1 was expressed and crystallised to confirm the X-ray structure matches the predicted model. Mitsuba-1 recognises cancer cells that express globotriose (Galα(1,4)Galβ(1,4)Glc) on the surface, but the cytotoxicity is abolished.
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Affiliation(s)
- Daiki Terada
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro, Yokohama, Kanagawa, 230-0045, Japan.,Structural Bioinformatics Team, Division of Structural and Synthetic Biology, Center for Life Science Technologies, RIKEN, 1-7-22 Suehiro, Tsurumi, Yokohama, Kanagawa, 230-0045, Japan
| | - Arnout R D Voet
- Laboratory of Biomolecular Modelling and Design, Department of Chemistry, KU Leuven, Celestijnenlaan 200G, 3001, Heverlee, Belgium
| | - Hiroki Noguchi
- Laboratory of Biomolecular Modelling and Design, Department of Chemistry, KU Leuven, Celestijnenlaan 200G, 3001, Heverlee, Belgium
| | - Kenichi Kamata
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro, Yokohama, Kanagawa, 230-0045, Japan
| | - Mio Ohki
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro, Yokohama, Kanagawa, 230-0045, Japan
| | - Christine Addy
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro, Yokohama, Kanagawa, 230-0045, Japan
| | - Yuki Fujii
- Department of Pharmacy, Graduate School of Pharmaceutical Science, Nagasaki International University, 2825-7 Huis Ten Bosch, Sasebo, Nagasaki, 859-3298, Japan
| | - Daiki Yamamoto
- Laboratory of Glycobiology and Marine Biochemistry, Graduate School of NanoBio Sciences, Yokohama City University, 22-2, Seto, Yokohama, Kanagawa, 236-0027, Japan
| | - Yasuhiro Ozeki
- Laboratory of Glycobiology and Marine Biochemistry, Graduate School of NanoBio Sciences, Yokohama City University, 22-2, Seto, Yokohama, Kanagawa, 236-0027, Japan
| | - Jeremy R H Tame
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro, Yokohama, Kanagawa, 230-0045, Japan.
| | - Kam Y J Zhang
- Structural Bioinformatics Team, Division of Structural and Synthetic Biology, Center for Life Science Technologies, RIKEN, 1-7-22 Suehiro, Tsurumi, Yokohama, Kanagawa, 230-0045, Japan.
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The human cancer cell active toxin Cry41Aa from Bacillus thuringiensis acts like its insecticidal counterparts. Biochem J 2017; 474:1591-1602. [PMID: 28341807 DOI: 10.1042/bcj20170122] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 03/20/2017] [Accepted: 03/24/2017] [Indexed: 12/15/2022]
Abstract
Understanding how certain protein toxins from the normally insecticidal bacterium Bacillus thuringiensis (Bt) target human cell lines has implications for both the risk assessment of products containing these toxins and potentially for cancer therapy. This understanding requires knowledge of whether the human cell active toxins work by the same mechanism as their insecticidal counterparts or by alternative ones. The Bt Cry41Aa (also known as Parasporin3) toxin is structurally related to the toxins synthesised by commercially produced transgenic insect-resistant plants, with the notable exception of an additional C-terminal β-trefoil ricin domain. To better understand its mechanism of action, we developed an efficient expression system for the toxin and created mutations in regions potentially involved in the toxic mechanism. Deletion of the ricin domain did not significantly affect the activity of the toxin against the human HepG2 cell line, suggesting that this region was not responsible for the mammalian specificity of Cry41Aa. Various biochemical assays suggested that unlike some other human cell active toxins from Bt Cry41Aa did not induce apoptosis, but that its mechanism of action was consistent with that of a pore-forming toxin. The toxin induced a rapid and significant decrease in metabolic activity. Adenosine triphosphate depletion, cell swelling and membrane damage were also observed. An exposed loop region believed to be involved in receptor binding of insecticidal Cry toxins was shown to be important for the activity of Cry41Aa against HepG2 cells.
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12
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Shen J, Cong Q, Kinch LN, Borek D, Otwinowski Z, Grishin NV. Complete genome of Pieris rapae, a resilient alien, a cabbage pest, and a source of anti-cancer proteins. F1000Res 2016; 5:2631. [PMID: 28163896 PMCID: PMC5247789 DOI: 10.12688/f1000research.9765.1] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/27/2016] [Indexed: 11/20/2022] Open
Abstract
The Small Cabbage White ( Pieris rapae) is originally a Eurasian butterfly. Being accidentally introduced into North America, Australia, and New Zealand a century or more ago, it spread throughout the continents and rapidly established as one of the most abundant butterfly species. Although it is a serious pest of cabbage and other mustard family plants with its caterpillars reducing crops to stems, it is also a source of pierisin, a protein unique to the Whites that shows cytotoxicity to cancer cells. To better understand the unusual biology of this omnipresent agriculturally and medically important butterfly, we sequenced and annotated the complete genome from USA specimens. At 246 Mbp, it is among the smallest Lepidoptera genomes reported to date. While 1.5% positions in the genome are heterozygous, they are distributed highly non-randomly along the scaffolds, and nearly 20% of longer than 1000 base-pair segments are SNP-free (median length: 38000 bp). Computational simulations of population evolutionary history suggest that American populations started from a very small number of introduced individuals, possibly a single fertilized female, which is in agreement with historical literature. Comparison to other Lepidoptera genomes reveals several unique families of proteins that may contribute to the unusual resilience of Pieris. The nitrile-specifier proteins divert the plant defense chemicals to non-toxic products. The apoptosis-inducing pierisins could offer a defense mechanism against parasitic wasps. While only two pierisins from Pieris rapae were characterized before, the genome sequence revealed eight, offering additional candidates as anti-cancer drugs. The reference genome we obtained lays the foundation for future studies of the Cabbage White and other Pieridae species.
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Affiliation(s)
- Jinhui Shen
- Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, USA
| | - Qian Cong
- Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, USA
| | - Lisa N Kinch
- Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, USA
| | - Dominika Borek
- Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, USA
| | - Zbyszek Otwinowski
- Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, USA
| | - Nick V Grishin
- Departments of Biophysics and Biochemistry, University of Texas Southwestern Medical Center, Dallas, USA.,Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, USA
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Catfish rhamnose-binding lectin induces G 0/1 cell cycle arrest in Burkitt's lymphoma cells via membrane surface Gb3. Glycoconj J 2016; 34:127-138. [PMID: 27796613 DOI: 10.1007/s10719-016-9739-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 08/24/2016] [Accepted: 10/03/2016] [Indexed: 01/15/2023]
Abstract
Silurus asotus egg lectin (SAL), an α-galactoside-binding protein isolated from the eggs of catfish, is a member of the rhamnose-binding lectin family that binds to Gb3 glycan (Galα1-4Galβ1-4Glc). We have previously demonstrated that SAL reduces the proliferation of Gb3-expressing Burkitt's lymphoma Raji cells and confirm here that it does not reduce their viability, indicating that unlike other lectins, it is not cytotoxic. The aim of this study was to determine the signal transduction mechanism(s) underlying this novel SAL/Gb3 binding-mediated effect profile. SAL/Gb3 interaction arrested the cell cycle through increasing the G0/1 phase population of Raji cells. SAL suppressed the transcription of cell cycle-related factors such as c-MYC, cyclin D3, and cyclin-dependent protein kinase (CDK)-4. Conversely, the CDK inhibitors p21 and p27 were elevated by treatment with SAL. In particular, the production of p27 in response to SAL treatment increased steadily, whereas p21 production was maximal at 12 h and lower at 24 h. Activation of Ras-MEK-ERK pathway led to an increase in expression of p21. Notably, treatment of Raji cells with anti-Gb3 mAb alone did not produce the above effects. Taken together, our findings suggest that Gb3 on the Raji cell surface interacts with SAL to trigger sequential GDP-Ras phosphorylation, Ras-MEK-ERK pathway activation, p21 production, and cell cycle arrest at the G0/1 phase.
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Crystal structure of MytiLec, a galactose-binding lectin from the mussel Mytilus galloprovincialis with cytotoxicity against certain cancer cell types. Sci Rep 2016; 6:28344. [PMID: 27321048 PMCID: PMC4913266 DOI: 10.1038/srep28344] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 05/31/2016] [Indexed: 01/07/2023] Open
Abstract
MytiLec is a lectin, isolated from bivalves, with cytotoxic activity against cancer cell lines that express globotriaosyl ceramide, Galα(1,4)Galβ(1,4)Glcα1-Cer, on the cell surface. Functional analysis shows that the protein binds to the disaccharide melibiose, Galα(1,6)Glc, and the trisaccharide globotriose, Galα(1,4)Galβ(1,4)Glc. Recombinant MytiLec expressed in bacteria showed the same haemagglutinating and cytotoxic activity against Burkitt's lymphoma (Raji) cells as the native form. The crystal structure has been determined to atomic resolution, in the presence and absence of ligands, showing the protein to be a member of the β-trefoil family, but with a mode of ligand binding unique to a small group of related trefoil lectins. Each of the three pseudo-equivalent binding sites within the monomer shows ligand binding, and the protein forms a tight dimer in solution. An engineered monomer mutant lost all cytotoxic activity against Raji cells, but retained some haemagglutination activity, showing that the quaternary structure of the protein is important for its cellular effects.
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Hasan I, Gerdol M, Fujii Y, Rajia S, Koide Y, Yamamoto D, Kawsar SMA, Ozeki Y. cDNA and Gene Structure of MytiLec-1, A Bacteriostatic R-Type Lectin from the Mediterranean Mussel (Mytilus galloprovincialis). Mar Drugs 2016; 14:md14050092. [PMID: 27187419 PMCID: PMC4882566 DOI: 10.3390/md14050092] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 04/21/2016] [Accepted: 04/28/2016] [Indexed: 02/06/2023] Open
Abstract
MytiLec is an α-d-galactose-binding lectin with a unique primary structure isolated from the Mediterranean mussel (Mytilus galloprovincialis). The lectin adopts a β-trefoil fold that is also found in the B-sub-unit of ricin and other ricin-type (R-type) lectins. We are introducing MytiLec(-1) and its two variants (MytiLec-2 and -3), which both possess an additional pore-forming aerolysin-like domain, as members of a novel multi-genic “mytilectin family” in bivalve mollusks. Based on the full length mRNA sequence (911 bps), it was possible to elucidate the coding sequence of MytiLec-1, which displays an extended open reading frame (ORF) at the 5′ end of the sequence, confirmed both at the mRNA and at the genomic DNA sequence level. While this extension could potentially produce a polypeptide significantly longer than previously reported, this has not been confirmed yet at the protein level. MytiLec-1 was revealed to be encoded by a gene consisting of two exons and a single intron. The first exon comprised the 5′UTR and the initial ATG codon and it was possible to detect a putative promoter region immediately ahead of the transcription start site in the MytiLec-1 genomic locus. The remaining part of the MytiLec-1 coding sequence (including the three sub-domains, the 3′UTR and the poly-A signal) was included in the second exon. The bacteriostatic activity of MytiLec-1 was determined by the agglutination of both Gram-positive and Gram-negative bacteria, which was reversed by the co-presence of α-galactoside. Altogether, these data support the classification of MytiLec-1 as a member of the novel mytilectin family and suggest that this lectin may play an important role as a pattern recognition receptor in the innate immunity of mussels.
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Affiliation(s)
- Imtiaj Hasan
- Department of Life and Environmental System Science, Graduate School of NanoBio Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan.
- Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi, Rajshahi 6205, Bangladesh.
| | - Marco Gerdol
- Department of Life Sciences, University of Trieste, Via Licio Giorgieri 5, Trieste 34127, Italy.
| | - Yuki Fujii
- Department of Pharmacy, Faculty of Pharmaceutical Science, Nagasaki International University, 2825-7 Huis Ten Bosch, Sasebo, Nagasaki 859-3298, Japan.
| | - Sultana Rajia
- Department of Life and Environmental System Science, Graduate School of NanoBio Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan.
- Department of Natural Science, Varendra University, Rajshahi 6204, Bangladesh.
| | - Yasuhiro Koide
- Department of Life and Environmental System Science, Graduate School of NanoBio Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan.
| | - Daiki Yamamoto
- Department of Life and Environmental System Science, Graduate School of NanoBio Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan.
| | - Sarkar M A Kawsar
- Department of Life and Environmental System Science, Graduate School of NanoBio Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan.
- Department of Chemistry, Faculty of Sciences, University of Chittagong, Chittagong 4331, Bangladesh.
| | - Yasuhiro Ozeki
- Department of Life and Environmental System Science, Graduate School of NanoBio Sciences, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan.
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MytiLec, a Mussel R-Type Lectin, Interacts with Surface Glycan Gb3 on Burkitt's Lymphoma Cells to Trigger Apoptosis through Multiple Pathways. Mar Drugs 2015; 13:7377-89. [PMID: 26694420 PMCID: PMC4699244 DOI: 10.3390/md13127071] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 11/30/2015] [Accepted: 12/02/2015] [Indexed: 12/17/2022] Open
Abstract
MytiLec; a novel lectin isolated from the Mediterranean mussel (Mytilus galloprovincialis); shows strong binding affinity to globotriose (Gb3: Galα1-4Galβ1-4Glc). MytiLec revealed β-trefoil folding as also found in the ricin B-subunit type (R-type) lectin family, although the amino acid sequences were quite different. Classification of R-type lectin family members therefore needs to be based on conformation as well as on primary structure. MytiLec specifically killed Burkitt's lymphoma Ramos cells, which express Gb3. Fluorescein-labeling assay revealed that MytiLec was incorporated inside the cells. MytiLec treatment of Ramos cells resulted in activation of both classical MAPK/ extracellular signal-regulated kinase and extracellular signal-regulated kinase (MEK-ERK) and stress-activated (p38 kinase and JNK) Mitogen-activated protein kinases (MAPK) pathways. In the cells, MytiLec treatment triggered expression of tumor necrosis factor (TNF)-α (a ligand of death receptor-dependent apoptosis) and activation of mitochondria-controlling caspase-9 (initiator caspase) and caspase-3 (activator caspase). Experiments using the specific MEK inhibitor U0126 showed that MytiLec-induced phosphorylation of the MEK-ERK pathway up-regulated expression of the cyclin-dependent kinase inhibitor p21, leading to cell cycle arrest and TNF-α production. Activation of caspase-3 by MytiLec appeared to be regulated by multiple different pathways. Our findings, taken together, indicate that the novel R-type lectin MytiLec initiates programmed cell death of Burkitt's lymphoma cells through multiple pathways (MAPK cascade, death receptor signaling; caspase activation) based on interaction of the lectin with Gb3-containing glycosphingolipid-enriched microdomains on the cell surface.
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Nakano T, Takahashi-Nakaguchi A, Yamamoto M, Watanabe M. Pierisins and CARP-1: ADP-ribosylation of DNA by ARTCs in butterflies and shellfish. Curr Top Microbiol Immunol 2015; 384:127-49. [PMID: 25033755 DOI: 10.1007/82_2014_416] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The cabbage butterfly, Pieris rapae, and related species possess a previously unknown ADP-ribosylating toxin, guanine specific ADP-ribosyltransferase. This enzyme toxin, known as pierisin, consists of enzymatic N-terminal domain and receptor-binding C-terminal domain, or typical AB-toxin structure. Pierisin efficiently transfers an ADP-ribosyl moiety to the N(2) position of the guanine base of dsDNA. Receptors for pierisin are suggested to be the neutral glycosphingolipids, globotriaosylceramide (Gb3), and globotetraosylceramide (Gb4). This DNA-modifying toxin exhibits strong cytotoxicity and induces apoptosis in various human cell lines, which can be blocked by Bcl-2. Pierisin also produces detrimental effects on the eggs and larvae of the non-habitual parasitoids. In contrast, a natural parasitoid of the cabbage butterfly, Cotesia glomerata, was resistant to this toxin. The physiological role of pierisin in the butterfly is suggested to be a defense factor against parasitization by wasps. Other type of DNA ADP-ribosyltransferase is present in certain kinds of edible clams. For example, the CARP-1 protein found in Meretrix lamarckii consists of an enzymatic domain without a possible receptor-binding domain. Pierisin and CARP-1 are almost fully non-homologous at the amino acid sequence level, but other ADP-ribosyltransferases homologous to pierisin are present in different biological species such as eubacterium Streptomyces. Possible diverse physiological roles of the DNA ADP-ribosyltransferases are discussed.
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Affiliation(s)
- Tsuyoshi Nakano
- Division of Cancer Development System, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo, 104-0045, Japan,
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Fünfhaus A, Poppinga L, Genersch E. Identification and characterization of two novel toxins expressed by the lethal honey bee pathogen Paenibacillus larvae, the causative agent of American foulbrood. Environ Microbiol 2013; 15:2951-65. [PMID: 23992535 DOI: 10.1111/1462-2920.12229] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2013] [Revised: 07/16/2013] [Accepted: 07/28/2013] [Indexed: 11/28/2022]
Abstract
Paenibacillus larvae is a Gram-positive bacterial pathogen causing the epizootic American foulbrood in honey bee larvae. Four so-called enterobacterial repetitive intergenic consensus (ERIC) genotypes of P. larvae exist with P. larvae genotypes ERIC I and ERIC II being responsible for disease outbreaks all over the world. Very few molecular data on the pathogen, on pathogenesis or on virulence factors exist. We now identified two genomic loci in P. larvae ERIC I coding for two binary AB toxins, Plx1 and Plx2. In silico analyses revealed that Plx1 is the third member of an enigmatic family of AB toxins so far only comprising MTX1 of Lysinibacillus sphaericus and pierisin-like toxins expressed by several butterflies. Plx2 is also remarkable because the A-domain is highly similar to C3 exoenzymes, which normally are single domain proteins, while the B-domain is homologous to B-domains of C2-toxins. We constructed P. larvae mutants lacking expression of Plx1, Plx2 or both toxins and demonstrated that these toxins are important virulence factors for P. larvae ERIC I.
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Affiliation(s)
- Anne Fünfhaus
- Department of Molecular Microbiology and Bee Diseases, Institute for Bee Research, Friedrich-Engels-Str 32, 16540 Hohen Neuendorf, Germany
| | - Lena Poppinga
- Department of Molecular Microbiology and Bee Diseases, Institute for Bee Research, Friedrich-Engels-Str. 32, 16540, Hohen Neuendorf, Germany
| | - Elke Genersch
- Department of Molecular Microbiology and Bee Diseases, Institute for Bee Research, Friedrich-Engels-Str. 32, 16540, Hohen Neuendorf, Germany
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Demonstration of cytotoxicity against wasps by pierisin-1: a possible defense factor in the cabbage white butterfly. PLoS One 2013; 8:e60539. [PMID: 23637752 PMCID: PMC3634060 DOI: 10.1371/journal.pone.0060539] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Accepted: 02/26/2013] [Indexed: 12/16/2022] Open
Abstract
The cabbage white butterfly, Pieris rapae, produces pierisin-1, a protein inducing apoptosis of mammalian cells. In the present study, the biological activity of pierisin-1 as a protective agent against parasitic wasps for P. rapae was examined. Pierisin-1 caused detrimental effects on eggs and larvae of non-habitual parasitoids for P. rapae, Glyptapanteles pallipes, Cotesia kariyai and Cotesia plutellae at 1-100 µg/ml, levels essentially equivalent to those found in P. rapae larvae. In contrast, eggs and larvae of the natural parasitoid of P. rapae, Cotesia glomerata proved resistant to the toxicity of pierisin-1 through inhibition of pierisin-1 penetration of the surface layer. The expression level of pierisin-1 mRNA in the larvae of P. rapae was increased by parasitization by C. plutellae, whereas it was decreased by C. glomerata. In addition, C. plutellae was associated with elevation of activated pierisin-1 in the hemolymph. From these observations, it is suggested that pierisin-1 could contribute as a defense factor against parasitization by some type of wasps in P. rapae.
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Masutani M. The pioneering spirit of Takashi Sugimura: his studies of the biochemistry of poly(ADP-ribosylation) and of cancer. J Biochem 2012; 151:221-8. [PMID: 22375027 DOI: 10.1093/jb/mvs005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Takashi Sugimura has accomplished many scientific achievements in the field of biochemistry and in cancer research. Sugimura's group identified the novel polymer poly(ADP-ribose) in parallel to P. Mandel's and O. Hayaishi's groups and demonstrated the presence of the enzyme poly(ADP-ribose) polymerase (PARP). He also discovered the cognate catabolic enzyme, poly(ADP-ribose) glycohydrolase (PARG) and further elucidated the biology of poly(ADP-ribose). The astonishing discovery of pierisin, an apoptogenic peptide that ADP-ribosyaltes DNA, profoundly illuminates his scientific character and curiosity as well. Sugimura's work in cancer research shows an extraordinarily wide range, which includes the establishment of new methods in chemical carcinogenesis, the identification of various environmental mutagens/carcinogens and new tumour promoters. He also established the concept that cancer is a disease of DNA and contributed to the development of the concept of the multi-step model of carcinogenesis.
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Affiliation(s)
- Mitsuko Masutani
- Division of Genome Stability Research, National Cancer Center Research Institute, Chuo-ku, Tokyo 104-0045, Japan.
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Yamamoto M, Takahashi-Nakaguchi A, Matsushima-Hibiya Y, Nakano T, Totsuka Y, Imanishi S, Mitsuhashi J, Watanabe M, Nakagama H, Sugimura T, Wakabayashi K. Nucleotide sequence and chromosomal localization of the gene for pierisin-1, a DNA ADP-ribosylating protein, in the cabbage butterfly Pieris rapae. Genetica 2012; 139:1251-8. [PMID: 22237414 DOI: 10.1007/s10709-011-9626-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2011] [Accepted: 12/23/2011] [Indexed: 10/14/2022]
Abstract
Cabbage butterfly, Pieris rapae, contains a unique DNA ADP-ribosylating protein, pierisin-1, which transfers ADP-ribose moiety of NAD to guanine bases of DNA. Pierisin-like proteins are only distributed in subtribes Pierina, Aporiina and Appiadina of the family Pieridae. In this study, we obtained genomic clones carrying the pierisin-1 gene from adult samples of P. rapae by plaque hybridization. The pierisin-1 gene was found to consist of two exons, 0.1-kb exon 1 and 3.9-kb exon 2, and a 2.3-kb intron. In addition, we could demonstrate that the putative promoter in the about 3-kb upstream region from the transcription start site of the gene include a transcriptional activating motif involved in immune pathways and hormonal regulation. We also examined chromosomal localization of the pierisin-1 gene. Fluorescence in situ hybridization (FISH) analysis using Cy3-labeled pierisin-1 genomic clone demonstrated the localization of the gene near the kinetochore in chromosome 9. Thus, we confirmed that the pierisin-1 gene is located in the genome of P. rapae.
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Affiliation(s)
- Masafumi Yamamoto
- Division of Cancer Development System, Carcinogenesis Research Group, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan.
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Cell-free synthesis and characterization of a novel cytotoxic pierisin-like protein from the cabbage butterfly Pieris rapae. Toxicon 2010; 57:199-207. [PMID: 21112350 DOI: 10.1016/j.toxicon.2010.11.011] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2010] [Accepted: 11/16/2010] [Indexed: 11/20/2022]
Abstract
Pierisin-like proteins comprise a growing family of ADP-ribosyltransferases expressed in various species of white butterflies. The prototype pierisin-1 from the cabbage butterfly, Pieris rapae, was identified as a potent apoptosis-inducing agent, acting on various types of carcinoma cell lines by mono-ADP-ribosylation of DNA. The characterization of pierisin-like proteins is hampered by its potent toxicity, which prevents its expression as a recombinant protein in Escherichia coli. Here we characterized a new member of the pierisin protein family named pierisin-1b, which was cloned from P. rapae. Pierisin-1b consists of 849 amino acids residues and shares 63%-91% identity with already described pierisins. For expression of pierisin-1b a novel in vitro translation system was utilized. Obtained protein exhibits specific ADP-ribosyltransferase activity on deoxyguanosine residues of DNA leading to induction of apoptosis and cell death.
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Yamamoto M, Nakano T, Matsushima-Hibiya Y, Totsuka Y, Takahashi-Nakaguchi A, Matsumoto Y, Sugimura T, Wakabayashi K. Molecular cloning of apoptosis-inducing Pierisin-like proteins, from two species of white butterfly, Pieris melete and Aporia crataegi. Comp Biochem Physiol B Biochem Mol Biol 2009; 154:326-33. [PMID: 19631761 DOI: 10.1016/j.cbpb.2009.07.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Revised: 07/10/2009] [Accepted: 07/10/2009] [Indexed: 11/28/2022]
Abstract
Pierisin-1, present in cabbage butterfly, Pieris rapae, induces apoptosis against various kinds of cancer cell lines. Another cabbage butterfly, Pieris brassicae, also has an apoptosis-inducing protein, Pierisin-2. These proteins exhibit DNA ADP-ribosylating activity. Pierisin-like proteins are found to be distributed in subtribes Pierina, Aporiina and Appiadina. In this study, we performed the cDNA cloning of Pierisin-like proteins designated Pierisin-3 from gray-veined white, Pieris melete, and Pierisin-4 from black-veined white, Aporia crataegi. The nucleotide sequences of Pierisin-3 and -4 encode an 850 and an 858 amino acid protein, respectively. The partial peptide sequences of Pierisin-3 and -4 purified from pupae were identical to the deduced amino acid sequence of ORF. The deduced amino acid sequence revealed that Pierisin-3 is 93% similar to Pierisin-1 and Pierisin-4 is 64%. Pierisin-3 and -4 synthesized in vitro with the rabbit reticulocyte lysate exhibited apoptosis-inducing activity against human cervical carcinoma HeLa and human gastric carcinoma TMK-1 cells. Site-directed mutagenesis at a glutamic acid residue comprising the NAD-binding site resulted in a significant decrease in cytotoxicity of both proteins. Moreover, the proteins incubated with calf thymus DNA and beta-NAD resulted in the formation of N(2)-(ADP-ribos-1-yl)-2'-deoxyguanosine, as in the case of Pierisin-1 and -2. These findings could provide useful information for understanding the importance of apoptosis-inducing ability and molecular evolution of Pierisin-like proteins in family Pieridae.
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Affiliation(s)
- Masafumi Yamamoto
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan.
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Watanabe Y, Tateno H, Nakamura-Tsuruta S, Kominami J, Hirabayashi J, Nakamura O, Watanabe T, Kamiya H, Naganuma T, Ogawa T, Naudé RJ, Muramoto K. The function of rhamnose-binding lectin in innate immunity by restricted binding to Gb3. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2009; 33:187-197. [PMID: 18809432 DOI: 10.1016/j.dci.2008.08.008] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2008] [Revised: 08/13/2008] [Accepted: 08/20/2008] [Indexed: 05/26/2023]
Abstract
L-rhamnose-binding lectins (RBLs) have been isolated from various kinds of fish and invertebrates and interact with various kinds of bacteria, suggesting RBLs are involved in various inflammatory reactions. We investigated the effect of RBLs from chum salmon (Oncorhynchus keta), named CSL1, 2 and 3, on the peritoneal macrophage cell line from rainbow trout (Oncorhynchus mykiss) (RTM5) and an established fibroblastic-like cell line derived from gonadal tissue of rainbow trout (RTG-2). CSLs were bound to the surface of RTM5 and RTG-2 cells and induced proinflammatory cytokines, including IL-1beta1, IL-1beta2, TNF-alpha1, TNF-alpha2 and IL-8 in both cells by recognizing globotriaosylceramide (Gb3). In addition, CSLs had an opsonic effect on RTM5 cells and this effect was significantly inhibited by L-rhamnose, indicating that CSLs enhanced their phagocytosis by binding to Gb3 on cell surfaces. This is the first finding that Gb3 plays a role in innate immunity by cooperating with natural ligands, RBLs.
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Affiliation(s)
- Yasuharu Watanabe
- Department of Biomolecular Sciences, Graduate School of Life Sciences, Tohoku University, Sendai, Japan
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Treiber N, Reinert DJ, Carpusca I, Aktories K, Schulz GE. Structure and mode of action of a mosquitocidal holotoxin. J Mol Biol 2008; 381:150-9. [PMID: 18586267 DOI: 10.1016/j.jmb.2008.05.067] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2008] [Revised: 05/23/2008] [Accepted: 05/28/2008] [Indexed: 10/22/2022]
Abstract
The crystal structure of the full mosquitocidal toxin from Bacillus sphaericus (MTX(holo)) has been determined at 2.5 A resolution by the molecular replacement method. The resulting structure revealed essentially the complete chain consisting of four ricin B-type domains curling around the catalytic domain in a hedgehog-like assembly. As the structure was virtually identical in three different crystal packings, it is probably not affected by packing contacts. The structure of MTX(holo) explains earlier autoinhibition data. An analysis of published complexes comprising ricin B-type lectin domains and sugar molecules shows that the general construction principle applies to all four lectin domains of MTX(holo), indicating 12 putative sugar-binding sites. These sites are sequence-related to those of the cytotoxin pierisin from cabbage butterfly, which are known to bind glycolipids. It seems therefore likely that MTX(holo) also binds glycolipids. The seven contact interfaces between the five domains are predominantly polar and not stronger than common crystal contacts so that in an appropriate environment, the multidomain structure would likely uncurl into a string of single domains. The structure of the isolated catalytic domain plus an extended linker was established earlier in three crystal packings, two of which showed a peculiar association around a 7-fold axis. The catalytic domain of the reported MTX(holo) closely resembles all three published structures, except one with an appreciable deviation of the 40 N-terminal residues. A comparison of all structures suggests a possible scenario for the translocation of the toxin into the cytosol.
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Affiliation(s)
- Nora Treiber
- Institut für Organische Chemie und Biochemie, Albert-Ludwigs-Universität, Albertstrasse 21, 79104 Freiburg im Breisgau, Germany
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Dyatlovitskaya EV. Sphingolipid receptors. BIOCHEMISTRY (MOSCOW) 2008; 73:119-22. [PMID: 18298366 DOI: 10.1134/s0006297908020016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The role of sphingolipids as receptors of bacteria, viruses, and toxins and also as ligands of proteinaceous receptors involved in the cell-cell signaling in animals is considered.
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Affiliation(s)
- E V Dyatlovitskaya
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow.
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Distribution of cytotoxic and DNA ADP-ribosylating activity in crude extracts from butterflies among the family Pieridae. Proc Natl Acad Sci U S A 2008; 105:2516-20. [PMID: 18256183 DOI: 10.1073/pnas.0712221105] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Cabbage butterflies, Pieris rapae and Pieris brassicae, contain strong cytotoxic proteins, designated as pierisin-1 and -2, against cancer cell lines. These proteins exhibit DNA ADP-ribosylating activity. To determine the distribution of substances with cytotoxicity and DNA ADP-ribosylating activity among other species, crude extracts from 20 species of the family Pieridae were examined for cytotoxicity in HeLa cells and DNA ADP-ribosylating activity. Both activities were detected in extracts from 13 species: subtribes Pierina (Pieris rapae, Pieris canidia, Pieris napi, Pieris melete, Pieris brassicae, Pontia daplidice, and Talbotia naganum), Aporiina (Aporia gigantea, Aporia crataegi, Aporia hippia, and Delias pasithoe), and Appiadina (Appias nero and Appias paulina). All of these extracts contained substances recognized by anti-pierisin-1 antibodies, with a molecular mass of approximately 100 kDa established earlier for pierisin-1. Moreover, sequences containing NAD-binding sites, conserved in ADP-ribosyltransferases, were amplified from genomic DNA from 13 species of butterflies with cytotoxicity and DNA ADP-ribosylating activity by PCR. Extracts from seven species, Appias lyncida, Leptosia nina, Anthocharis scolymus, Eurema hecabe, Catopsilia pomona, Catopsilia scylla, and Colias erate, showed neither cytotoxicity nor DNA ADP-ribosylating activity, and did not contain substances recognized by anti-pierisin-1 antibodies. Sequences containing NAD-binding sites were not amplified from genomic DNA from these seven species. Thus, pierisin-like proteins, showing cytotoxicity and DNA ADP-ribosylating activity, are suggested to be present in the extracts from butterflies not only among the subtribe Pierina, but also among the subtribes Aporiina and Appiadina. These findings offer insight to understanding the nature of DNA ADP-ribosylating activity in the butterfly.
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Abstract
ADP-ribosylation using nicotinamide adenine dinucleotide (NAD+) is an important type of enzymatic reaction that affects many biological processes. A brief introductory review is given here to various ADP-ribosyltransferases, including poly(ADP-ribose) polymerase (PARPs), mono(ADP-ribosyl)-transferases (ARTs), NAD(+)-dependent deacetylases (sirtuins), tRNA 2'-phosphotransferases, and ADP-ribosyl cyclases (CD38 and CD157). Focus is given to the enzymatic reactions, mechanisms, structures, and biological functions.
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Affiliation(s)
- Hening Lin
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA.
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Matsumoto Y, Matsushima-Hibiya Y, Nakano T, Yamamoto M, Iwabuchi K, Sugimura T, Wakabayashi K. Persistence of pierisin-1 activities in the adult cabbage white butterfly, Pieris rapae, during storage after killing. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2007; 83:175-178. [PMID: 24367143 PMCID: PMC3855205 DOI: 10.2183/pjab.83.175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2007] [Accepted: 07/31/2007] [Indexed: 06/03/2023]
Abstract
Crude extracts from larvae, pupae and adults of cabbage white butterflies, Pieris rapae and Pieris brassicae, and green-veined butterfly, Pieris napi, have an ability to induce apoptosis in the human cancer cell lines. As apoptosis inducing protein, pierisin-1 and -2 have been isolated from pupae of P. rapae and P. brassicae, respectively, and shown to exhibit DNA ADP-ribosylating activity. Although the highest activity was detected in the late phase of larvae and early phase of pupae, certain activity was found in adult butterflies. In order to investigate distribution of substances having pierisin-like activities in butterflies, many species need to be analyzed. However, fresh samples of larvae and pupae are hard to obtain, especially if samples are of scarce species or from overseas. The usage of adult butterflies is practical to examine the distribution of pierisin-like activity in many species. In this study, we examined the cytotoxicity of crude extracts from adults of P. rapae against HeLa cells and DNA ADP-ribosylation ability during storage for 1, 2 and 8 weeks at room temperature after killing adult butterflies after eclosion. Body weights decreased to 18% for 8 weeks through dehydration. Cytotoxicity of samples from butterfly kept for 1, 2 and 8 weeks decreased to 47, 39 and 22%, respectively, of the control value. DNA ADP-ribosylating activity of the samples also decreased to 30, 27 and 23%. Similar reduction was observed on western blot analysis with anti-pierisin-1 antibody. Fortunately, these results suggest that cytotoxic and DNA ADP-ribosylating activity persists to some extent in the body after killing, at least for 8 weeks. Thus, butterfly adult samples kept for two months at room temperature can still be useful for examination of the presence of substance having pierisin-like activity.
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Affiliation(s)
- Yasuko Matsumoto
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, Tokyo,
Japan
| | - Yuko Matsushima-Hibiya
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, Tokyo,
Japan
| | - Tsuyoshi Nakano
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, Tokyo,
Japan
| | - Masafumi Yamamoto
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, Tokyo,
Japan
| | - Kikuo Iwabuchi
- Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo,
Japan
| | - Takashi Sugimura
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, Tokyo,
Japan
| | - Keiji Wakabayashi
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, Tokyo,
Japan
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Carpusca I, Jank T, Aktories K. Bacillus sphaericus mosquitocidal toxin (MTX) and pierisin: the enigmatic offspring from the family of ADP-ribosyltransferases. Mol Microbiol 2007; 62:621-30. [PMID: 17076664 DOI: 10.1111/j.1365-2958.2006.05401.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The mosquitocidal toxin (MTX) from Bacillus sphaericus and the apoptosis-inducing pierisin-1 from the cabbage butterfly Pieris rapae are two of the most intriguing members of the family of ADP-ribosyltransferases. They are both approximately 100 kDa proteins, composed of an N-terminal ADP-ribosyltransferase (approximately 27 kDa) and a C-terminal putative binding and translocation domain (approximately 70 kDa) consisting of four ricin-B-like domains. While they both share structural homologies, with an overall amino acid sequence identity of approximately 30% that becomes approximately 50% at the level of the catalytic core, and functional similarities, notably in terms of enzyme regulation, they seem to largely differ with regard to their targets or cell internalization mechanisms. MTX ADP-ribosylates numerous proteins in lysates of target insect cells at arginine residues, whereas pierisin-1 modifies DNA of insect and mammalian cells by ADP-ribosylation at 2'-deoxyguanosine residues resulting in DNA adducts, mutations and eventually apoptosis. This target specificity differentiates pierisin-1 from all other ADP-ribosyltransferases described so far, and implies that the enzyme must reach the nucleus of target cells. The recently solved crystal structure of MTX catalytic domain is helpful to reveal new insights into structural organization, catalytic mechanisms, proteolytic activation and autoinhibition of both enzymes. The uptake and processing of the ADP-ribosyltransferases is discussed.
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Affiliation(s)
- Irina Carpusca
- Institut für Experimentelle und Klinische Pharmakologie und Toxikologie der Albert-Ludwigs-Universität Freiburg, Albertstr. 25, D-79104 Freiburg, Germany
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31
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Nakano T, Matsushima-Hibiya Y, Yamamoto M, Enomoto S, Matsumoto Y, Totsuka Y, Watanabe M, Sugimura T, Wakabayashi K. Purification and molecular cloning of a DNA ADP-ribosylating protein, CARP-1, from the edible clam Meretrix lamarckii. Proc Natl Acad Sci U S A 2006; 103:13652-7. [PMID: 16945908 PMCID: PMC1564245 DOI: 10.1073/pnas.0606140103] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The cabbage butterflies Pieris rapae and Pieris brassicae have unique enzymes, named pierisin-1 and -2, respectively, that catalyze the ADP-ribosylation of guanine residues of DNA, which has been linked with induction of apoptosis and mutation in mammalian cell lines. In the present study, we identified ADP-ribosylation activity targeting DNA in six kinds of edible clam. Similar to our observations with pierisin-1 and -2, crude extracts from the clams Meretrix lamarckii, Ruditapes philippinarum, and Corbicula japonica incubated with calf thymus DNA and beta-NAD resulted in production of N(2)-(ADP-ribos-1-yl)-2'-deoxyguanosine. The DNA ADP-ribosylating protein in the hard clam M. lamarckii, designated as CARP-1, was purified by column chromatography, and its cDNA was cloned. The cDNA encodes a 182-aa protein with a calculated molecular mass of 20,332. The protein synthesized in vitro from the cDNA in a reticulocyte lysate exhibited the same ADP-ribosylating activity as that of purified CARP-1. Neither the nucleotide nor the deduced amino acid sequence of CARP-1 showed homology with pierisin-1 or -2. However, a glutamic acid residue (E128) at the putative NAD-binding site, conserved in all ADP-ribosyltransferases, was found in CARP-1, and replacement of aspartic acid for this glutamic acid resulted in loss of almost all ADP-ribosylating activity. CARP-1 in the culture medium showed no cytotoxicity against HeLa and TMK-1 cells; however, introduction of this protein by electroporation induced apoptosis in these cells. The finding of clam ADP-ribosylating protein targeting guanine residues in DNA could offer new insights into the biological significance of ADP-ribosylation of DNA.
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Affiliation(s)
- Tsuyoshi Nakano
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
| | - Yuko Matsushima-Hibiya
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
| | - Masafumi Yamamoto
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
| | - Shigeki Enomoto
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
| | - Yasuko Matsumoto
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
| | - Yukari Totsuka
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
| | - Masahiko Watanabe
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
- Department of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Okayama 703-8516, Japan
| | - Takashi Sugimura
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
- To whom correspondence may be addressed. E-mail:
or
| | - Keiji Wakabayashi
- *Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan; and
- To whom correspondence may be addressed. E-mail:
or
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32
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Shiga A, Kakamu S, Sugiyama Y, Shibata M, Makino E, Enomoto M. Acute toxicity of pierisin-1, a cytotoxic protein from Pieris rapae, in mouse and rat. J Toxicol Sci 2006; 31:123-37. [PMID: 16772702 DOI: 10.2131/jts.31.123] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
To investigate the toxicity of pierisin-1, a cytotoxic protein present in the cabbage butterfly, Pieris rapae, pierisin-1 was administered via intraperitoneally in mice and rats and the effects examined. Common findings in these experiments were hypoactivity with a gradual decrease in body weight due to decreased food intake, relative polycythemia with low serum albumin concentration and atrophy of the thymus, spleen, seminal vesicles and adipose tissue. Characteristic findings were diarrhea, fusion and atrophy of the villi and dilatation of the crypts in the small intestine at 6-100 microg/kg in BALB/c mice as well as elevation of LDH activity and creatinine value, hemolysis and renal and hepatic injuries at 1,000 and 10,000 microg/kg in BALB/c mice. In the case of ICR mice, severer renal injury was observed. On the other hand, in Fischer 344/Du rats, sudden stop of food intake, elevation of both AST and ALT activities, interlobar adhesion of the right hepatic lobe, capsular thickening, septal fibrosis and single cell necroses of subcapsular hepatocytes in the liver and basophilic tubules in the kidneys were observed. Oral administration of pierisin-1 at a dose of 10,000 microg/kg in BALB/c mice did not exert any obvious effects. Thus, existence of species and strain differences in toxicity of pierisin-1 to animals was demonstrated.
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Affiliation(s)
- Atsushi Shiga
- Biosafety Research Center, Foods, Drugs and Pesticides (An-Pyo Center), 582-2 Shioshinden, Iwata-shi, shizuoka 437-1213, Japan.
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Shiotani B, Kobayashi M, Watanabe M, Yamamoto KI, Sugimura T, Wakabayashi K. Involvement of the ATR- and ATM-dependent checkpoint responses in cell cycle arrest evoked by pierisin-1. Mol Cancer Res 2006; 4:125-33. [PMID: 16513843 DOI: 10.1158/1541-7786.mcr-05-0104] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pierisin-1 identified from the cabbage butterfly, Pieris rapae, is a novel mono-ADP-ribosylating toxin that transfers the ADP-ribose moiety of NAD at N(2) of dG in DNA. Resulting mono-ADP-ribosylated DNA adducts cause mutations and the induction of apoptosis. However, little is known about checkpoint responses elicited in mammalian cells by the formation of such bulky DNA adducts. In the present study, it was shown that DNA polymerases were blocked at the specific site of mono-ADP-ribosylated dG, which might lead to the replication stress. Pierisin-1 treatment of HeLa cells was found to induce an intra-S-phase arrest through both ataxia telangiectasia mutated (ATM) and Rad3-related (ATR) and ATM pathways, and ATR pathway also contributes to a G(2)-M-phase delay. In the colony survival assays, Rad17(-/-) DT40 cells showed greater sensitivity to pierisin-1-induced cytotoxicity than wild-type and ATM(-/-) DT40 cells, possibly due to defects of checkpoint responses, such as the Chk1 activation. Furthermore, apoptotic 50-kb DNA fragmentation was observed in the HeLa cells, which was well correlated with occurrence of phosphorylation of Chk2. These results thus suggest that pierisin-1 treatment primarily activates ATR pathway and eventually activates ATM pathway as a result of the induction of apoptosis. From these findings, it is suggested that mono-ADP-ribosylation of DNA causes a specific type of fork blockage that induces checkpoint activation and signaling.
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Affiliation(s)
- Bunsyo Shiotani
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
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Reinert DJ, Carpusca I, Aktories K, Schulz GE. Structure of the mosquitocidal toxin from Bacillus sphaericus. J Mol Biol 2006; 357:1226-36. [PMID: 16483607 DOI: 10.1016/j.jmb.2006.01.025] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2005] [Revised: 12/29/2005] [Accepted: 01/05/2006] [Indexed: 11/19/2022]
Abstract
The catalytic domain of a mosquitocidal toxin prolonged by a C-terminal 44 residue linker connecting to four ricin B-like domains was crystallized. Three crystal structures were established at resolutions between 2.5A and 3.0A using multi-wavelength and single-wavelength anomalous X-ray diffraction as well as molecular replacement phasing techniques. The chainfold of the toxin fragment corresponds to those of ADP-ribosylating enzymes. At pH 4.3 the fragment is associated in a C(7)-symmetric heptamer in agreement with an aggregate of similar size observed by size-exclusion chromatography. In two distinct crystal forms, the heptamers formed nearly spherical, D(7)-symmetric tetradecamers. Another crystal form obtained at pH 6.3 contained a recurring C(2)-symmetric tetramer, which, however, was not stable in solution. On the basis of the common chainfold and NAD(+)-binding site of all ADP-ribosyl transferases, the NAD(+)-binding site of the toxin was assigned at a high confidence level. In all three crystal forms the NAD(+) site was occupied by part of the 44 residue linker, explaining the known inhibitory effect of this polypeptide region. The structure showed that the cleavage site for toxin activation is in a highly mobile loop that is exposed in the monomer. Since it contains the inhibitory linker as a crucial part of the association contact, the observed heptamer is inactive. Moreover, the heptamer cannot be activated by proteolysis because the activation loop is at the ring center and not accessible for proteases. Therefore the heptamer, or possibly the tetradecamer, seems to represent an inactive storage form of the toxin.
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Affiliation(s)
- Dirk J Reinert
- Institut für Organische Chemie und Biochemie, Albert-Ludwigs-Universität, Albertstrasse 21, 79104 Freiburg im Breisgau, Germany
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35
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Shiotani B, Watanabe M, Totsuka Y, Sugimura T, Wakabayashi K. Involvement of nucleotide excision repair (NER) system in repair of mono ADP-ribosylated dG adducts produced by pierisin-1, a cytotoxic protein from cabbage butterfly. Mutat Res 2005; 572:150-5. [PMID: 15790498 DOI: 10.1016/j.mrfmmm.2005.01.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2004] [Revised: 01/04/2005] [Accepted: 01/10/2005] [Indexed: 11/16/2022]
Abstract
Pierisin-1, a cytotoxic protein from the cabbage butterfly (Pieris rapae), induces apoptosis in mammalian cell lines. Binding of its C-terminal region to glycosphingolipid Gb3 and Gb4 receptors on cell membrane is necessary for incorporation into cells, while the N-terminal polypeptide catalyzes transfer of the ADP-ribose moiety of NAD at N2 of dG in DNA. Resulting DNA adducts cause mutation if they are present at low levels. If the DNA damage is more severe, the cells undergo apoptosis. In the present study, we examined the repair system for ADP-ribosylated dG adducts using nucleotide excision repair (NER) mutants of Chinese hamster ovary (CHO) cell lines. Pierisin-1 showed cytotoxic effects in all cases: IC50 values of them were; 650 ng/ml for AA8 (wild), 230 ng/ml for UV5, 190 ng/ml for UV20, 260 ng/ml for UV41, and 240 ng/ml for UV135. Thus, wild-type AA8 proved most resistant to pierisin-1-induced cytotoxicity. When these CHO cell lines were treated with pierisin-1, the adduct levels of ADP-ribosylated dG increased to 2.5-4.8/10(5) nucleotides time-dependently in all cell lines at 12 h. After removal of pierisin-1, the adduct levels remained constant or increased to 4-14/10(5) nucleotides in all NER mutant cells (UV5, UV20, UV41, UV135), while those rapidly decreased to 0.27/10(5) nucleotides in the repair proficient AA8 cells for 24 h. From these results, it is suggested that the NER system is involved in the repair of ADP-ribosylated dG adducts in DNA.
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Affiliation(s)
- Bunsyo Shiotani
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
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36
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Watanabe M, Nakano T, Shiotani B, Matsushima-Hibiya Y, Kiuchi M, Yukuhiro F, Kanazawa T, Koyama K, Sugimura T, Wakabayashi K. Developmental stage-specific expression and tissue distribution of pierisin-1, a guanine-specific ADP-ribosylating toxin, in Pieris rapae. Comp Biochem Physiol A Mol Integr Physiol 2005; 139:125-31. [PMID: 15528160 DOI: 10.1016/j.cbpb.2004.07.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2004] [Revised: 07/09/2004] [Accepted: 07/14/2004] [Indexed: 10/26/2022]
Abstract
The cabbage butterfly (Pieris rapae) produces pierisin-1, an apoptosis-inducing protein against mammalian cells. In order to clarify the biological role of pierisin-1 in P. rapae, its expression during developmental stages was examined. Low levels of pierisin-1 mRNA and protein were detected in first-instar larvae. During growth until the fifth-instar larval stage, the amounts of the mRNA steadily increased to reach about 50-100 times the initial level. Then it rapidly decreased before pupation. The levels of mRNA in the pupae and the adults were as low as in the first-instar larvae. Levels of pierisin-1 protein also increased around 100 times from the first-instar to the fifth-instar larvae and then gradually decreased by over 90% during the pupal stage. Immunostaining of pierisin-1 demonstrated the protein to be mainly located in fat bodies of fifth-instar larvae and early-phase pupae. Although the staining intensity was low, fat bodies of early instars of the larvae and adults were also found to be positive. Moreover, examination of isolated fat body and other tissue samples of the insects were consistent with the above observations. Thus, the results indicate that mRNA of pierisin-1 was highly expressed in late stages of larvae, and that the protein accumulated in fat bodies where it persists during pupation.
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Affiliation(s)
- Masahiko Watanabe
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
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Takamura-Enya T, Watanabe M, Koyama K, Sugimura T, Wakabayashi K. Mono(ADP-ribosyl)ation of the N2 amino groups of guanine residues in DNA by pierisin-2, from the cabbage butterfly, Pieris brassicae. Biochem Biophys Res Commun 2004; 323:579-82. [PMID: 15369790 DOI: 10.1016/j.bbrc.2004.08.132] [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: 07/26/2004] [Indexed: 10/26/2022]
Abstract
Pierisin-2 is a cytotoxic and apoptosis-inducing protein present in Pieris brassicae with a 91% homology in the deduced amino acid sequences to pierisin-1 from Pieris rapae. We earlier showed pierisin-1 to catalyze mono(ADP-ribosyl)ation of 2'-deoxyguanosine (dG) in DNA to form N2-(ADP-ribos-1-yl)-2'-deoxyguanosine, this DNA modification appearing linked to its cytotoxicity and ability to induce apoptosis in mammalian cell lines. In this paper, we documented evidence that pierisin-2 also catalyzed ADP-ribosylation of dG in DNA to give the same reaction product as demonstrated for pierisin-1, with similar efficiency. With oligonucleotides as substrates, ADP-ribosylation by pierisin-2 was suggested to occur by one-side attack of the carbon atom at 1 position of the ribose moiety in NAD toward N2 of dG. The presence of a unique ADP-ribosylation toxin targeting dG in DNA in two distinct species in a Pieris genus could be a quite important finding to better understand biological functions of pierisin-1 and -2 in Pieris butterflies and the generic evolution of these cabbage butterflies.
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Affiliation(s)
- Takeji Takamura-Enya
- Cancer Prevention Basic Research Project, National Cancer Center Research Institute, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
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Carpusca I, Schirmer J, Aktories K. Two-Site Autoinhibition of the ADP-Ribosylating Mosquitocidal Toxin (MTX) from Bacillus sphaericus by Its 70-kDa Ricin-like Binding Domain. Biochemistry 2004; 43:12009-19. [PMID: 15379541 DOI: 10.1021/bi048729y] [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] [Indexed: 11/28/2022]
Abstract
The mosquitocidal toxin (MTX) from Bacillus sphaericus SSII-1 is an approximately 97-kDa arginine-specific ADP-ribosyltransferase that is activated by proteolytic cleavage, thereby releasing the active 27-kDa enzyme (MTX(30-264)) and a 70-kDa C-terminal fragment (MTX(265-870)). In solution, the cleaved 70-kDa fragment is still a potent inhibitor of the ADP-ribosyltransferase activity of MTX. Here we studied the interaction of the 70-kDa fragment with the enzyme domain of MTX. Several C-terminal deletions of the 70-kDa fragment inhibited the enzymatic activity of MTX(30-264). However, the IC(50) values were about 2 orders of magnitude higher for the deletions than for the 70-kDa fragment. A peptide covering amino acid residues 265-285 of the holotoxin exhibited the same inhibitory potency as the C-terminal deletions of the 70-kDa fragment. MTX(265-285) contains several acidic residues, of which D273 and D275 were found to be essential for the inhibitory effect. Exchange of these residues in the 70-kDa fragment (MTX(265-870)) reduced its inhibitory potency. Kinetic analysis showed that the peptide MTX(265-285) had no effect on the V(max) of MTX(30-264) but increased the K(m) for NAD. By contrast, the 70-kDa fragment deleted of residues Ile265 through Asn285 inhibited the enzyme activity of MTX(30-264) mainly by decreasing the V(max) of the enzyme. A second binding site for interaction of MTX(265-870) with MTX(30-264) was localized to the C-terminus within the region of residues 750-870. The data support a two-site binding model for inhibition of the ADP-ribosyltransferase activity of MTX(30-264) by the 70-kDa fragment MTX(265-870) with an interaction of amino acid residues 265-285 at the active site and an allosteric inhibition by the C-terminal part of the 70-kDa fragment.
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Affiliation(s)
- Irina Carpusca
- Institut für Experimentelle und Klinische Pharmakologie und Toxikologie der Albert-Ludwigs-Universität Freiburg, Albertstrasse 25, D-79104 Freiburg, Germany
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Establishment of the concept that cancer is a disease of DNA: Serendipitous discoveries in my research career concerning the science of carcinogenesis. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/s0069-8032(04)43022-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
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