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Siau A, Ang JW, Sheriff O, Hoo R, Loh HP, Tay D, Huang X, Yam XY, Lai SK, Meng W, Julca I, Kwan SS, Mutwil M, Preiser PR. Comparative spatial proteomics of Plasmodium-infected erythrocytes. Cell Rep 2023; 42:113419. [PMID: 37952150 DOI: 10.1016/j.celrep.2023.113419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 07/14/2023] [Accepted: 10/25/2023] [Indexed: 11/14/2023] Open
Abstract
Plasmodium parasites contribute to one of the highest global infectious disease burdens. To achieve this success, the parasite has evolved a range of specialized subcellular compartments to extensively remodel the host cell for its survival. The information to fully understand these compartments is likely hidden in the so far poorly characterized Plasmodium species spatial proteome. To address this question, we determined the steady-state subcellular location of more than 12,000 parasite proteins across five different species by extensive subcellular fractionation of erythrocytes infected by Plasmodium falciparum, Plasmodium knowlesi, Plasmodium yoelii, Plasmodium berghei, and Plasmodium chabaudi. This comparison of the pan-species spatial proteomes and their expression patterns indicates increasing species-specific proteins associated with the more external compartments, supporting host adaptations and post-transcriptional regulation. The spatial proteome offers comprehensive insight into the different human, simian, and rodent Plasmodium species, establishing a powerful resource for understanding species-specific host adaptation processes in the parasite.
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Affiliation(s)
- Anthony Siau
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Jing Wen Ang
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Omar Sheriff
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Regina Hoo
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Han Ping Loh
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Donald Tay
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Ximei Huang
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Xue Yan Yam
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Soak Kuan Lai
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Wei Meng
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Irene Julca
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Sze Siu Kwan
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Marek Mutwil
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore
| | - Peter R Preiser
- Nanyang Technological University, School of Biological Sciences, Singapore 637551, Singapore.
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Hart MN, Mohring F, DonVito SM, Thomas JA, Muller-Sienerth N, Wright GJ, Knuepfer E, Saibil HR, Moon RW. Sequential roles for red blood cell binding proteins enable phased commitment to invasion for malaria parasites. Nat Commun 2023; 14:4619. [PMID: 37528099 PMCID: PMC10393984 DOI: 10.1038/s41467-023-40357-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 07/20/2023] [Indexed: 08/03/2023] Open
Abstract
Invasion of red blood cells (RBCs) by Plasmodium merozoites is critical to their continued survival within the host. Two major protein families, the Duffy binding-like proteins (DBPs/EBAs) and the reticulocyte binding like proteins (RBLs/RHs) have been studied extensively in P. falciparum and are hypothesized to have overlapping, but critical roles just prior to host cell entry. The zoonotic malaria parasite, P. knowlesi, has larger invasive merozoites and contains a smaller, less redundant, DBP and RBL repertoire than P. falciparum. One DBP (DBPα) and one RBL, normocyte binding protein Xa (NBPXa) are essential for invasion of human RBCs. Taking advantage of the unique biological features of P. knowlesi and iterative CRISPR-Cas9 genome editing, we determine the precise order of key invasion milestones and demonstrate distinct roles for each family. These distinct roles support a mechanism for phased commitment to invasion and can be targeted synergistically with invasion inhibitory antibodies.
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Affiliation(s)
- Melissa N Hart
- Department of Infection Biology, Faculty of Infectious and Tropical Disease, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, UK
- Department of Pathobiology and Population Sciences, Royal Veterinary College, Hawkshead Lane, Hatfield, AL9 7TA, UK
| | - Franziska Mohring
- Department of Infection Biology, Faculty of Infectious and Tropical Disease, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, UK
| | - Sophia M DonVito
- Department of Infection Biology, Faculty of Infectious and Tropical Disease, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, UK
| | - James A Thomas
- Department of Infection Biology, Faculty of Infectious and Tropical Disease, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, UK
| | | | - Gavin J Wright
- Wellcome Sanger Institute, Hinxton, Cambridge, CB10 1SA, UK
- Department of Biology, Hull York Medical School, York Biomedical Research Institute, University of York, Wentworth Way, York, YO10 5DD, UK
| | - Ellen Knuepfer
- Department of Pathobiology and Population Sciences, Royal Veterinary College, Hawkshead Lane, Hatfield, AL9 7TA, UK
- Malaria Parasitology Laboratory, Francis Crick Institute, London, NW1 1AT, UK
| | - Helen R Saibil
- ISMB, Biological Sciences, Birkbeck, University of London, Malet St, London, WC1E 7HX, UK
| | - Robert W Moon
- Department of Infection Biology, Faculty of Infectious and Tropical Disease, London School of Hygiene and Tropical Medicine, London, WC1E 7HT, UK.
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Almeida FS, Moreira VP, Silva EDS, Cardoso LL, de Sousa Palmeira PH, Cavalcante-silva LHA, Araújo DAMD, Amaral IPGD, González ERP, Keesen TSL. Leishmanicidal Activity of Guanidine Derivatives against Leishmania infantum. Trop Med Infect Dis 2023; 8:141. [PMID: 36977142 PMCID: PMC10051705 DOI: 10.3390/tropicalmed8030141] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/19/2023] [Accepted: 02/17/2023] [Indexed: 03/02/2023] Open
Abstract
Leishmaniasis is a neglected tropical infectious disease with thousands of cases annually; it is of great concern to global health, particularly the most severe form, visceral leishmaniasis. Visceral leishmaniasis treatments are minimal and have severe adverse effects. As guanidine-bearing compounds have shown antimicrobial activity, we analyzed the cytotoxic effects of several guanidine-bearing compounds on Leishmania infantum in their promastigote and amastigote forms in vitro, their cytotoxicity in human cells, and their impact on reactive nitrogen species production. LQOFG-2, LQOFG-6, and LQOFG-7 had IC50 values of 12.7, 24.4, and 23.6 µM, respectively, in promastigotes. These compounds exhibited cytotoxicity in axenic amastigotes at 26.1, 21.1, and 18.6 µM, respectively. The compounds showed no apparent cytotoxicity in cells from healthy donors. To identify mechanisms of action, we evaluated cell death processes by annexin V and propidium iodide staining and nitrite production. Guanidine-containing compounds caused a significant percentage of death by apoptosis in amastigotes. Independent of L. infantum infection, LQOFG-7 increased nitrite production in peripheral blood mononuclear cells, which suggests a potential mechanism of action for this compound. Therefore, these data suggest that guanidine derivatives are potential anti-microbial molecules, and further research is needed to fully understand their mechanism of action, especially in anti-leishmanial studies.
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Xu J, Hu F, Li S, Bao J, Yin Y, Ren Z, Deng Y, Tian F, Bao G, Liu J, Li Y, He X, Xi J, Lu F. Fluorescent Nitrogen-Doped Carbon Dots for Label Live Elder Blood-Stage Plasmodium falciparum through New Permeability Pathways. Molecules 2022; 27:molecules27134163. [PMID: 35807422 PMCID: PMC9267939 DOI: 10.3390/molecules27134163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 01/11/2023]
Abstract
To verify the size and emergence time of new permeability pathways (NPPs) in malaria parasites, the permeability of the Plasmodium falciparum-infected erythrocytes was tested with different particle sizes of nanomaterials by flow cytometry assay. The results confirmed the permeability of the host cell membrane increases with parasite maturation for the stage-development evolution of NPPs, and especially found that a particle size of about 50 nm had higher efficiency. As a kind of the novel nanomaterials, nitrogen-doped carbon dots (NCDs) showed no toxicity, specificity binding ability to the malaria parasites, and could label live elder blood-stage P. falciparum through NPPs, indicating the potential application in cell imaging. NPPs and some nanomaterials such as NCDs deserve more attention and exploration for the elimination and prevention of malaria.
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Affiliation(s)
- Jiahui Xu
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
- Affiliated Hospital of Yangzhou University, Yangzhou 225000, China; (J.B.); (G.B.); (J.L.)
| | - Fengyue Hu
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
- The Third People’s Hospital of Yangzhou, Yangzhou 225012, China
| | - Shuang Li
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
| | - Jiaojiao Bao
- Affiliated Hospital of Yangzhou University, Yangzhou 225000, China; (J.B.); (G.B.); (J.L.)
| | - Yi Yin
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
| | - Zhenyu Ren
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
| | - Ying Deng
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
| | - Fang Tian
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
| | - Guangyu Bao
- Affiliated Hospital of Yangzhou University, Yangzhou 225000, China; (J.B.); (G.B.); (J.L.)
| | - Jian Liu
- Affiliated Hospital of Yangzhou University, Yangzhou 225000, China; (J.B.); (G.B.); (J.L.)
| | - Yinyue Li
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
| | - Xinlong He
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
| | - Juqun Xi
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
- Correspondence: (J.X.); (F.L.)
| | - Feng Lu
- Jiangsu Key Laboratory of Experimental and Translational Non-Coding RNA Research, School of Medicine, Yangzhou University, Yangzhou 225009, China; (J.X.); (F.H.); (S.L.); (Y.Y.); (Z.R.); (Y.D.); (F.T.); (Y.L.); (X.H.)
- Affiliated Hospital of Yangzhou University, Yangzhou 225000, China; (J.B.); (G.B.); (J.L.)
- Jiangsu Key Laboratory of Zoonosis, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China
- Correspondence: (J.X.); (F.L.)
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Peter C, Annie R, Ward Kurt E, Jessica M, Rossarin S, Adeline CC, Kaneko O, Lin AH, Laurent R, Nadia A, Victor M, Julien L, Roger LG, Dennis K, Pablo B, Cook Gregory M, Georges S, Bruce R. Improving in vitro continuous cultivation of Plasmodium cynomolgi, a model for P. vivax. Parasitol Int 2022; 89:102589. [DOI: 10.1016/j.parint.2022.102589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/18/2022] [Accepted: 04/18/2022] [Indexed: 10/18/2022]
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Firdaus MER, Muh F, Park JH, Lee SK, Na SH, Park WS, Ha KS, Han JH, Han ET. In-depth biological analysis of alteration in Plasmodium knowlesi-infected red blood cells using a noninvasive optical imaging technique. Parasit Vectors 2022; 15:68. [PMID: 35236400 PMCID: PMC8889714 DOI: 10.1186/s13071-022-05182-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 01/28/2022] [Indexed: 12/13/2022] Open
Abstract
Background Imaging techniques are commonly used to understand disease mechanisms and their biological features in the microenvironment of the cell. Many studies have added to our understanding of the biology of the malaria parasite Plasmodium knowlesi from functional in vitro and imaging analysis using serial block-face scanning electron microscopy (SEM). However, sample fixation and metal coating during SEM analysis can alter the parasite membrane. Methods In this study, we used noninvasive diffraction optical tomography (DOT), also known as holotomography, to explore the morphological, biochemical, and mechanical alterations of each stage of P. knowlesi-infected red blood cells (RBCs). Each stage of the parasite was synchronized using Nycodenz and magnetic-activated cell sorting (MACS) for P. knowlesi and P. falciparum, respectively. Holotomography was applied to measure individual three-dimensional refractive index tomograms without metal coating, fixation, or additional dye agent. Results Distinct profiles were found on the surface area and hemoglobin content of the two parasites. The surface area of P. knowlesi-infected RBCs showed significant expansion, while P. falciparum-infected RBCs did not show any changes compared to uninfected RBCs. In terms of hemoglobin consumption, P. falciparum tended to consume hemoglobin more than P. knowlesi. The observed profile of P. knowlesi-infected RBCs generally showed similar results to other studies, proving that this technique is unbiased. Conclusions The observed profile of the surface area and hemoglobin content of malaria infected-RBCs can potentially be used as a diagnostic parameter to distinguish P. knowlesi and P. falciparum infection. In addition, we showed that holotomography could be used to study each Plasmodium species in greater depth, supporting strategies for the development of diagnostic and treatment strategies for malaria. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-022-05182-1.
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Affiliation(s)
- Moh Egy Rahman Firdaus
- Department of Medical Environmental Biology and Tropical Medicine, Kangwon National University School of Medicine, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Fauzi Muh
- Department of Medical Environmental Biology and Tropical Medicine, Kangwon National University School of Medicine, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Ji-Hoon Park
- Department of Medical Environmental Biology and Tropical Medicine, Kangwon National University School of Medicine, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | | | - Sung-Hun Na
- Department of Obstetrics and Gynecology, Kangwon National University School of Medicine, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Won-Sun Park
- Department of Physiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Kwon-Soo Ha
- Department of Molecular and Cellular Biochemistry, Kangwon National University School of Medicine, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Jin-Hee Han
- Department of Medical Environmental Biology and Tropical Medicine, Kangwon National University School of Medicine, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Eun-Taek Han
- Department of Medical Environmental Biology and Tropical Medicine, Kangwon National University School of Medicine, Chuncheon, Gangwon-do, 24341, Republic of Korea.
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Ressurreição M, Moon RW, Baker DA, van Ooij C. Synchronisation of Plasmodium falciparum and P. knowlesi In Vitro Cultures Using a Highly Specific Protein Kinase Inhibitor. Methods Mol Biol 2022; 2470:101-120. [PMID: 35881342 DOI: 10.1007/978-1-0716-2189-9_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Synchronisation of Plasmodium cultures is essential to investigate the complexities of time-dependent events associated with the asexual blood stage of the malaria parasite life cycle. Here we describe a procedure using ML10, a highly specific inhibitor of the parasite cyclic GMP-dependent protein kinase (PKG), to attain high synchronicity of Plasmodium falciparum and P. knowlesi asexual blood-stage cultures and to obtain high levels of arrested mature schizonts as well as viable released merozoites. Additionally, we describe how to use ML10 to improve the transfection efficiency of P. falciparum parasites and also how to derive the half maximal effective concentration (EC50) of ML10 in other P. falciparum laboratory lines and clinical isolates.
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Affiliation(s)
- Margarida Ressurreição
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | - Robert William Moon
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | - David Andrew Baker
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | - Christiaan van Ooij
- Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK.
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Ressurreição M, Thomas JA, Nofal SD, Flueck C, Moon RW, Baker DA, van Ooij C. Use of a highly specific kinase inhibitor for rapid, simple and precise synchronization of Plasmodium falciparum and Plasmodium knowlesi asexual blood-stage parasites. PLoS One 2020; 15:e0235798. [PMID: 32673324 PMCID: PMC7365400 DOI: 10.1371/journal.pone.0235798] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 06/22/2020] [Indexed: 12/15/2022] Open
Abstract
During the course of the asexual erythrocytic stage of development, Plasmodium spp. parasites undergo a series of morphological changes and induce alterations in the host cell. At the end of this stage, the parasites egress from the infected cell, after which the progeny invade a new host cell. These processes are rapid and occur in a time-dependent manner. Of particular importance, egress and invasion of erythrocytes by the parasite are difficult to capture in an unsynchronized culture, or even a culture that has been synchronized within a window of one to several hours. Therefore, precise synchronization of parasite cultures is of paramount importance for the investigation of these processes. Here we describe a method for synchronizing Plasmodium falciparum and Plasmodium knowlesi asexual blood stage parasites with ML10, a highly specific inhibitor of the cGMP-dependent protein kinase (PKG) that arrests parasite growth approximately 15 minutes prior to egress. This inhibitor allows parasite cultures to be synchronized so that all parasites are within a window of development of several minutes, with a simple wash step. Furthermore, we show that parasites remain viable for several hours after becoming arrested by the compound and that ML10 has advantages, owing to its high specificity and low EC50, over the previously used PKG inhibitor Compound 2. Here, we demonstrate that ML10 is an invaluable tool for the study of Plasmodium spp. asexual blood stage biology and for the routine synchronization of P. falciparum and P. knowlesi cultures.
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Affiliation(s)
- Margarida Ressurreição
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - James A. Thomas
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Stephanie D. Nofal
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Christian Flueck
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Robert W. Moon
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - David A. Baker
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Christiaan van Ooij
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, United Kingdom
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