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Publications (last updated 14th July 2023) ORCID ID: 0000-0002-0521-0977

In Press/In Preparation

Published Work - 2020-present

Záhonová, K., Low, R.S., Warren, C.J., Cantoni, D., Herman, E.K., Yiangou, L., Ribeiro, C.A., Phanprasert, Y., Brown, I.R., Rueckert, S., Baker, N.L., Tachezy, J., Betts, E.L., Gentekaki, E., van der Giezen, M., Clark, C.G., Jackson, A.P., Dacks, J.B. & Tsaousis, A.D. 2023 Evolutionary cell biological analysis of Proteromonas reveals the path to cellular reduction and anaerobicity in the hyper-prevalent gut microbe Blastocystis. Curr. Biol. 33:2449-2464 PubMed Entry Open access article

Stensvold, C.R., Ascuña, K., Chihi, A., Belkessa, S., Kurt, Ö, El-Badry, A., van der Giezen, M., Clark, C.G. 2023 Further insight into the genetic diversity of Entamoeba coli and Entamoeba hartmanni. J. Eukaryot. Microbiol. 70:e12949 PubMed Entry

Filtenborg Hocke, E., Jamy, M., Burki, F., Clark, C.G., Stensvold, C.R. 2022 Unravelling the phylogeny of a common intestinal protist: Intra-generic diversity of Endolimax. Protist 173:125908 PubMed Entry

Mornico, D., Hon, C.-C., Koutero, M., Weber, C., Coppée, J.-Y., Clark, C.G., Dillies, M.-A., Guillen, N. 2022 RNA sequencing reveals widespread transcription of natural antisense RNAs in Entamoeba species. Microorganisms 10:396 PubMed Entry Open Access Article

Stensvold, C.R., Tan, K.S.W., Clark, C.G. 2020 Parasite of the month: Blastocystis. Trends Parasitol. 36: 315-316 PubMed Entry

Stensvold, C.R., Clark, C.G. 2020 Preempting Pandora's Box: Blastocystis subtypes revisited. Trends Parasitol. 36: 229-232 PubMed Entry

Stensvold, C.R., Lebbad, M., Hansen, A., Beser, J., Belkessa, S., Andersen, L.O., Clark, C.G. 2020 Differentiation of Blastocystis and parasitic archamoebids encountered in untreated wastewater samples by amplicon-based next-generation sequencing. Parasite Epidemiol. Control 9:e00131 PubMed Entry Open Access Article

Published Work - 2017-2019

Jinatham, V., Popluechai, S., Clark, C.G., Gentekaki, E. 2019 Entamoeba chiangraiensis n. sp. (Amoebozoa: Entamoebidae) isolated from the gut of Asian swamp eel (Monopterus albus) in northern Thailand. Parasitology 146:1719-1724. PubMed Entry

Robertson, L.J., Clark, C.G., Debenham, J.J., Dubey, J.P., Kváč, M., Li, J., Ponce-Gordo, F., Ryan, U., Schares, G., Suk, C., Tsaousis A.D. 2019 Are molecular tools clarifying or confusing our understanding of the public health threat from zoonotic enteric protozoa in wildlife? Int. J. Parasitol. Parasites Wildl. 9:323-341. PubMed Entry Open Access Article

Wilson, I.W., Weedall, G.D., Lorenzi, H., Howcroft, T., Hon, C.-C., Deloger, M., Guillén, N., Paterson, S., Clark, C.G., Hall, N. 2019 Genetic diversity and gene family expansions in members of the genus Entamoeba. Genome Biol. Evol. 11:688-705. PubMed Entry Open Access Article.

Elsheikha, H.M., Regan, C.S., Clark, C.G. 2018 Novel Entamoeba findings in Non-Human Primates. Trends Parasitol. 34: 283-294. PubMed Entry

Gentekaki, E., Curtis, B.A., Stairs, C., Klimeš, V., Eliáš, M., Salas, D., Herman, E.K., Eme, E., Arias, M.C., Henrissat, B., Hilliou, F., Klute, M., Suga, H., Malik, S.-B., Pightling, A.W., Kolisko, M., Rachubinski, R.A., Schlacht, A., Soanes, D.M., Tsaousis, A.D., Archibald, J.M., Ball, S.G., Dacks, J.B., Clark, C.G., van der Giezen, M., Roger, A.J. 2017 Extreme genome diversity in the hyper-prevalent parasitic eukaryote Blastocystis. PLoS Biology 15: e2003769. PubMed Entry Open Access Article.

Published Work - 2015-2016

Jacob, A.S., Andersen, L.O., Bitar, P.P., Richards, V.P., Shah, S., Stanhope, M.J., Stensvold, C.R., Clark, C.G. 2016 Blastocystis mitochondrial genomes appear to show multiple independent gains and losses of start and stop codons. Genome Biol. Evol. 8: 3340-3350. PubMed Entry Open Access Article.

Stensvold, C.R., Clark, C.G. 2016 Molecular identification and subtype analysis of Blastocystis. Curr. Protocols Microbiol. 43: 20A.2.1-20A.2.10. PubMed Entry

Clark, C.G., Stensvold, C.R. 2016 Blastocystis: Isolation, xenic cultivation, and cryopreservation. Curr. Protoc. Microbiol. 43: 20A.1.1-20A.1.8. PubMed Entry

Stensvold, C.R., Clark, C.G. 2016 Current status of Blastocystis: A personal view. Parasitol. Int. 65: 763-771. PubMed Entry

Jacob, A.S., Busby, E.J., Levy, A.D., Komm, N., Clark, C.G. 2016 Expanding the Entamoeba universe: new hosts yield novel ribosomal lineages. J. Euk. Microbiol. 63:69-78. PubMed Entry

Abu Madi, M.M., Aly, M., Behnke, J.M., Clark, C.G., Balkhy, H. 2015 The distribution of Blastocystis subtypes in isolates from Qatar. Parasit. Vectors 8:465 PubMed Entry Online access.

Clark, C.G., Stensvold, C.R. 2015 The continuously expanding universe of Entamoeba. Chapter 2 in Amebiasis: Biology and Pathogenesis of Entamoeba (T. Nozaki and A. Bhattacharya, eds.), Springer, pp.9-25 Publisher's page for book

Published Work - 2013-2014

Clark, C.G., Röser, D., Stensvold, C.R. 2014 Transmission of Dientamoeba fragilis: pinworm or cysts? Trends Parasitol. 30: 136-140. PubMed Entry

Kumari, V., Iyer, L.R., Roy, R., Bhargava, V., Panda, S., Paul, J., Verweij, J.J., Clark, C.G., Bhattacharya, A., Bhattacharya, S. 2013 Genomic distribution of SINEs in Entamoeba histolytica strains: Implication for genotyping. BMC Genomics 14: 432. PubMed Entry Open Access Article.

Stensvold, C.R., Clark, C.G., Röser, D. 2013 Limited intra-genetic diversity in Dientamoeba fragilis housekeeping genes. Infect. Genet. Evol. 18: 284-286. PubMed Entry

Alfellani, M.A., Taner-Mulla, D., Jacob, A.S., Atim Imeede, C., Yoshikawa, H., Stensvold, C.R., Clark, C.G. 2013 Genetic diversity of Blastocystis in livestock and zoo animals. Protist 164: 497-509. PubMed Entry

Alfellani, M.A., Jacob, A.S., Ortíz Perea, N., Krecek, R.C., Taner-Mulla, D., Verweij, J.J., Levecke, B., Tannich, E., Clark, C.G., Stensvold, C.R. 2013 Diversity and distribution of Blastocystis sp. subtypes in non-human primates. Parasitology 140: 966-971. PubMed Entry

Clark, C.G., van der Giezen, M., Alfellani, M.A., Stensvold, C.R. 2013 Recent developments in Blastocystis research. Adv. Parasitol. 82: 1-32. PubMed Entry

Alfellani, M.A., Stensvold, C.R., Vidal-Lapiedra, A., Onuoha, E.S.U., Fagbenro-Beyioku, A.F., Clark, C.G. 2013 Variable geographic distribution of Blastocystis subtypes and its potential implications. Acta Trop. 126: 11-18. PubMed Entry

Published Work - 2011-2012:

Royer, T.L., Gilchrist, C., Kabir, M., Arju, T., Ralston, K.S., Haque, R., Clark, C.G., Petri, Jr., W.A. 2012 Entamoeba bangladeshi nov. sp., Bangladesh. Emerg. Infect. Dis. 18: 1543-1545. PubMed Entry Open Access Article.

Forsell, J., Granlund, M., Stensvold, C.R., Clark, C.G., Evengård., B. 2012 Subtype analysis of Blastocystis isolates in Swedish patients. Eur. J. Clin. Microbiol. Infect. Dis. 31: 1689-1696. PubMed Entry

Weedall, G.D., Clark, C.G., Koldkjaer, P., Kay, S., Bruchhaus, I., Tannich, E., Paterson S., Hall, N. 2012 Genomic diversity of the human intestinal parasite Entamoeba histolytica. Genome Biol. 13: R38. Open Access Article PubMed Entry

Stensvold, C.R., Alfellani, M., Clark, C.G. 2012 Levels of genetic diversity vary dramatically between Blastocystis subtypes. Infect. Genet. Evol. 12: 263-273. PubMed Entry

Stensvold, C.R., Lebbad, M., Clark, C.G. 2012 Last of the human protists: the phylogeny and genetic diversity of Iodamoeba. Mol. Biol. Evol. 29: 39-42. PubMed Entry

Malheiros, A.F., Stensvold, C.R., Clark, C.G., Braga,G.B., Shaw, J.J. 2011 Molecular characterization of Blastocystis obtained from members of the indigenous Tapirapé ethnic group from the Brazilian Amazon region, Brazil. Am. J. Trop. Med. Hyg. 85: 1050-1053. PubMed Entry

Pritt, B.S., Clark, C.G. 2011 Entamoeba and Entamoeba histolytica. in eLS. John Wiley & Sons, Ltd: Chichester, UK. [DOI: 10.1002/9780470015902.a0001963.pub3] www.els.net

Prokopi, M., Chatzitheodorou, T., Ackers, J.P., Clark, C.G. 2011 A preliminary investigation of microsatellite-based genotyping in Trichomonas vaginalis. Trans. R. Soc. Trop. Med. Hyg. 105: 479-481. PubMed Entry

Stensvold, C.R., Lebbad, M., Victory, E.L., Verweij, J.J., Tannich, E., Alfellani, M., Legarraga, P., Clark, C.G. 2011 Increased sampling reveals novel lineages of Entamoeba: consequences of genetic diversity and host specificity for taxonomy and molecular detection. Protist 162: 525-541. PubMed Entry

Published Work - 2009-2010:

Clark, C.G., Gillin, F.D., Bhattacharya, A., Bhattacharya, S., Mirelman, D. 2010 In memoriam: Louis S. "Buddy" Diamond (1920-2009). J. Eukaryot. Microbiol. 57: 449-451. PubMed Entry

Pérez-Brocal, V., Shahar-Golan, R., Clark, C.G. 2010 A linear molecule with two large inverted repeats: the mitochondrial genome of the stramenopile Proteromonas lacertae. Genome Biol. Evol. 2: 257-266. PubMed Entry Open Access Article

Stensvold, C.R., Lebbad, M., Clark, C.G. 2010 Genetic characterisation of uninucleated cyst-producing Entamoeba spp. from ruminants. Int. J. Parasitol. 40: 775-778 PubMed Entry

Clark, C.G., Johnson, P.J., Adam R.D., eds. 2010 Anaerobic Parasitic Protozoa: Genomics and Molecular Biology, Caister Academic Press Ltd, Norwich, GB Publisher's description

Tsaousis, A.D., Stechmann, A., Hamblin, K.A., van der Giezen, M., Pérez-Brocal, V., Clark, C.G. 2010 The Blastocystis mitochondrion-like organelles. in Anaerobic Parasitic Protozoa: Genomics and Molecular Biology (C.G. Clark, P.J. Johnson, and R.D. Adam, eds.), Caister Academic Press Ltd, Norwich, GB, pp. 205-219

Jackson, C.J., Barton, R.C., Clark, C.G., Kelly, S.L. 2009 Molecular characterization of a subgroup IE intron with wide distribution in the large subunit rRNA genes of dermatophyte fungi. Med. Mycol. 47:609-617 PubMed Entry

Davis, P.H., Chen, M., Zhang, X., Clark, C.G., Townsend, R.R., Stanley, S.L. Jr. 2009 Proteomic comparison of Entamoeba histolytica and Entamoeba dispar and the role of E. histolytica alcohol dehydrogenase 3 in virulence. PLoS Negl. Trop. Dis. 3: e415 PubMed Entry Open Access Article

Stensvold, C.R., Alfellani, M.A., Nørskov-Lauritsen, S., Prip, K., Victory, E.L., Maddox, C., Nielsen, H.V., Clark, C.G. 2009 Subtype distribution of Blastocystis isolates from synanthropic and zoo animals and identification of a new Blastocystis sp. subtype. Int. J. Parasitol. 39: 473-479 PubMed Entry

Published Work - 2007-2008:

Pérez-Brocal, V., Clark, C.G. 2008 Analysis of two genomes from the mitochondrion-like organelle of the intestinal parasite Blastocystis: complete sequences, gene content and genome organization. Mol. Biol. Evol. 25:2475-2482 PubMed Entry Open Access Article

Pritt, B.S., Clark, C.G. 2008 Amebiasis. Mayo Clin. Proc. 83:1154-1160 PubMed Entry

Ali, I.K.M., Clark, C.G., Petri, W.A., Jr. 2008 Molecular epidemiology of amebiasis. Infect. Genet. Evol. 8: 698-707 PubMed Entry

Clark, C.G. 2008 Cryptic diversity in intestinal protists. Parasite 15: 317-320 PubMed Entry

Mukherjee, C., Clark, C.G., Lohia, A. 2008 Entamoeba shows reversible variation in ploidy under different growth conditions and between life cycle phases. PLoS Negl. Trop. Dis. 2: e281 PubMed Entry Open Access Article

Stechmann, A., Hamblin, K., Pérez-Brocal, V., Gaston, D., Richmond, G.S., van der Giezen, M., Clark, C.G. Roger, A.J. 2008 Organelles in Blastocystis that blur the distinction between mitochondria and hydrogenosomes. Curr. Biol. 18: 580-585 PubMed Entry Open Access Article

Ali, I.K.M., Solaymani-Mohammadi, S., Akhter, J., Roy, S., Gorrini, C., Calderaro, A., Parker, S.K., Haque, R., Petri, W.A. Jr., Clark, C.G. 2008 Tissue invasion by Entamoeba histolytica: Evidence of genetic selection and/or DNA reorganization events in organ tropism. PLoS Negl. Trop. Dis. 2: e219 PubMed Entry Open Access Article

Tawari, B., Ali, I.K.M., Scott, C., Quail, M.A., Berriman, M., Hall, N., Clark, C.G. 2008 Patterns of evolution in the unique tRNA gene arrays of the genus Entamoeba. Mol. Biol. Evol. 25: 187-198 PubMed Entry Open Access Article

Clark, C.G., Alsmark, U.C.M., Tazreiter, M., Saito-Nakano, Y., Ali, V., Marion, S., Weber, C., Mukherjee, C., Bruchhaus, I., Tannich, E., Leippe, M., Sicheritz-Ponten, T., Foster, P.G., Samuelson, J., Noël, C.J., Hirt, R.P., Embley, T.M., Gilchrist, C.A., Mann, B.J., Singh, U., Ackers, J.P., Bhattacharya, S., Bhattacharya, A., Lohia, A., Guillén, N., Duchêne, M., Nozaki, T., Hall, N. 2007 Structure and content of the Entamoeba histolytica genome. Adv. Parasitol. 65: 51-190 PubMed Entry

Clark, C.G., Windsor, J.J., Tannich, E. 2007 On the identification of some Entamoeba species - response to Ponce-Gordo and Martínez-Díaz. Int. J. Syst. Evol. Microbiol. 57: 1176 PubMed Entry

Stensvold, C.R., Suresh, G.K., Tan, K.S.W., Thompson, R.C.A., Traub, R.J., Viscogliosi, E., Yoshikawa, H., Clark, C.G. 2007 Terminology for Blastocystis subtypes - a consensus. Trends Parasitol. 23: 93-96 PubMed Entry

Ali, I.K.M., Mondal, U., Roy, S., Haque, R., Petri Jr., W.A., Clark, C.G. 2007 Evidence for a link between parasite genotype and outcome of infection with Entamoeba histolytica. J. Clin. Microbiol. 45: 285-289 PubMed Entry

Published Work - 2005-2006:

Clark, C.G. 2006 The genome of Entamoeba histolytica. in Genomics and Evolution of Microbial Eukaryotes (L.A. Katz and D. Bhattacharya, eds.), Oxford University Press, Oxford, GB. 169-180.

Clark, C.G., Kaffashian, F., Tawari, B., Windsor, J.J., Twigg-Flesner, A., Davies-Morel, M.C.G., Blessmann, J., Ebert, F., Pesche, B., Le Van, A., Jackson, C.J., Macfarlane, L., Tannich E. 2006 New insights into the phylogeny of Entamoeba species provided by analysis of four new small-subunit ribosomal RNA genes. Int. J. Syst. Evol. Microbiol. 56: 2235-2239 PubMed Entry

Windsor, J.J., Macfarlane, L., Clark, C.G. 2006 Internal transcribed spacer dimorphism and diversity in Dientamoeba fragilis. J. Eukaryot. Microbiol. 53: 188-192 PubMed Entry

Scicluna, S.M., Tawari, B., Clark, C.G. 2006 DNA barcoding of Blastocystis. Protist 157: 77-85 PubMed Entry

Clark, C.G., Ali, I.K.M., Zaki, M., Loftus, B.J., Hall, N. 2006 Unique organisation of tRNA genes in Entamoeba histolytica. Mol. Biochem. Parasitol. 146: 24-29 PubMed Entry

Clark, C.G. 2006 Methods for the investigation of diversity in Entamoeba histolytica. Arch. Med. Res. 37: 258-261 PubMed Entry

Ali, I.K.M., Zaki, M., Clark, C.G. 2005 Use of PCR amplification of tRNA gene-linked short tandem repeats for genotyping Entamoeba histolytica. J. Clin. Microbiol. 43: 5842-5847 PubMed Entry

van der Giezen, M., Tovar, J., Clark, C.G. 2005 Mitochondrion-derived organelles in protists and fungi. in International Review of Cytology, vol. 244. (K. Jeon, ed.) Elsevier Academic Press, San Diego, CA, USA. 175-225 PubMed Entry

Loftus, B., Anderson, I., Davies, R., Alsmark, U.C., Samuelson, J., Amedeo, P., Roncaglia, P., Berriman, M., Hirt, R.P., Mann, B.J., Nozaki, T., Suh, B., Pop, M., Duchene, M., Ackers, J., Tannich, E., Leippe, M., Hofer, M., Bruchhaus, I., Willhoeft, U., Bhattacharya, A., Chillingworth, T., Churcher, C., Hance, Z., Harris, B., Harris, D., Jagels, K., Moule, S., Mungall, K., Ormond, D., Squares, R., Whitehead, S., Quail, M.A., Rabbinowitsch, E., Norbertczak, H., Price, C., Wang, Z., Guillen, N., Gilchrist, C., Stroup, S.E., Bhattacharya, S., Lohia, A., Foster, P.G., Sicheritz-Ponten, T., Weber, C., Singh, U., Mukherjee, C., El-Sayed, N.M., Petri, W.A., Clark, C.G., Embley, T.M., Barrell, B., Fraser, C.M., Hall, N. 2005 The genome of the protist parasite Entamoeba histolytica. Nature 433: 865-868. PubMed Entry

Published Work - 2003-2004:

Windsor, J.J., Clark, C.G., Macfarlane, L. 2004 Molecular typing of Dientamoeba fragilis. Br. J. Biomed. Sci. 61: 153-155. PubMed Entry

Johnson, E.H., Windsor, J.J., Clark, C.G. 2004 Emerging from obscurity: biological, clinical, and diagnostic aspects of Dientamoeba fragilis. Clin. Microbiol. Rev. 17 :553-570. PubMed Entry

Clark, C.G. 2004 Entamoeba histolytica and Entamoeba dispar, the non-identical twins. in The Pathogenic Enteric Protozoa: Giardia, Entamoeba, Cryptosporidium and Cyclospora. (C.R. Sterling and R.D. Adam, eds), Kluwer Academic Publishers, Boston MA, USA. 15-26

Blessmann, J., Ali, I.K.M., Ton Nu, P.A., Dinh, B.T., Viet Ngo, T.Q., Le Van, A., Clark, C.G., Tannich, E. 2003 Longitudinal study of intestinal Entamoeba histolytica infections in asymptomatic adult carriers. J. Clin. Microbiol. 41: 4745-4750. PubMed Entry

Zaki, M., Verweij, J.J., Clark, C.G. 2003 Entamoeba histolytica: Direct PCR-based typing of strains using faecal DNA. Exp. Parasitol. 104: 77-80. PubMed Entry

Zaki, M., Reddy, S.G., Jackson, T.F.H.G., Ravdin, J.I., Clark, C.G. 2003 Genotyping of Entamoeba species in South Africa: Diversity, stability and transmission patterns within families. J. Infect. Dis. 187: 1860-1869. PubMed Entry

Wang, Z., Samuelson, J., Clark, C.G., Eichinger, D., Paul, J., Van Dellen, K., Hall, N., Anderson, I., Loftus, B. 2003 Gene discovery in the Entamoeba invadens genome. Mol. Biochem. Parasitol. 129: 23-31. PubMed Entry

Bakatselou, C., Beste, D., Kadri, A.O., Somanath, S., Clark, C.G. 2003 Analysis of genes of mitochondrial origin in the genus Entamoeba. J. Eukaryot. Microbiol. 50: 210-214. PubMed Entry

Ali, I.K.M., Hossain, M.B., Roy, S., Ayeh-Kumi, P.F., Petri Jr., W.A., Haque, R., Clark, C.G. 2003 Entamoeba moshkovskii infections in children, Bangladesh. Emerg. Infect. Dis. 9: 580-584 PubMed Entry Article on-line

Published Work - 2001-2002:

Clark, C.G., Zaki, M., Ali, I.K.M. 2002 Genetic diversity in Entamoeba histolytica. J. Biosci. 27: 603-607. pdf file of article

Clark, C.G., Diamond, L.S. 2002 Methods for cultivation of luminal parasitic protists of clinical importance. Clin. Microbiol. Rev. 15: 329-341. PubMed Entry

Zaki, M., Meelu, P., Sun, W., Clark, C.G. 2002 Simultaneous differentiation and typing of Entamoeba histolytica and Entamoeba dispar. J. Clin. Microbiol. 40: 1271-1276. PubMed Entry

Ghosh, S., Zaki, M., Clark, C.G., Bhattacharya, S. 2001 Recombinational loss of a ribosomal DNA unit from the circular episome of Entamoeba histolytica HM-1:IMSS. Mol. Biochem. Parasitol. 116: 105-108. PubMed Entry

Verweij, J.J., Polderman, A.M., Clark, C.G. 2001 Genetic variation among human isolates of uninucleated cyst-producing Entamoeba species. J. Clin. Microbiol. 39: 1644-1646. PubMed Entry

Zaki, M., Clark, C.G. 2001 Isolation and characterization of polymorphic DNA from Entamoeba histolytica. J. Clin. Microbiol. 39: 897-905. PubMed Entry

1999-2000:

Johnson, J.A., Clark, C.G. 2000 Cryptic genetic diversity in Dientamoeba fragilis. J. Clin. Microbiol. 38: 4653-4654. PubMed Entry

Clark, C.G. 2000 The evolution of Entamoeba, a cautionary tale. Res. Microbiol. 151: 599-603. PubMed Entry

Bakatselou, C., Kidgell, C., Clark, C.G. 2000 A mitochondrial-type hsp70 gene of Entamoeba histolytica. Mol. Biochem. Parasitol. 110: 177-182. PubMed Entry

Clark, C.G. 2000 Cryptic genetic variation in parasitic protozoa. J. Med. Microbiol. 49: 489-491. PubMed Entry

Clark, C.G., Espinosa Cantellano, M., Bhattacharya, A. 2000 Entamoeba histolytica: an overview of the biology of the organism. in: Amebiasis (Ravdin J.I., ed.) Imperial College Press, London, pp. 1-45.

Bhattacharya, A., Arya, R., Clark, C.G., Ackers, J.P. 2000 Absence of lipophosphoglycan-like glycoconjugates in Entamoeba dispar. Parasitology 120: 31-35. PubMed Entry

Diamond, L.S., Clark, C.G. 2000 Entamoeba and Entamoeba histolytica. In: The Encyclopedia of Life Sciences, McMillan Publishers Ltd, England; www.els.net

Silberman, J.D., Clark, C.G., Diamond, L.S., Sogin, M.L. 1999 Phylogeny of the genera Entamoeba and Endolimax as deduced from small subunit ribosomal RNA gene sequence analysis. Mol. Biol. Evol. 16: 1740-1751 PubMed Entry

Ramos, F., Zurabian, R., Morán, P., Ramiro, M., Gómez, A.,Clark, C.G., Melendro, E.I., García, G., Ximénez, C. 1999 The effect of formalin fixation on the PCR characterisation of Entamoeba histolytica. Trans. R. Soc. Trop. Med. Hyg. 93: 335-336 PubMed Entry

Tovar, J., Fischer, A., Clark, C.G. 1999 The mitosome, a novel organelle related to mitochondria in the amitochondriate parasite Entamoeba histolytica. Mol. Microbiol. 32: 1013-1021 PubMed Entry

1997-1998:

Haque, R., Ali, I.K.M., Clark, C.G., Petri, W.A., Jr. 1998 A case report of Entamoeba moshkovskii infection in a Bangladeshi child. Parasitol. Int. 47: 201-202

Clark, C.G., Silberman, J.D., Diamond, L.S., Sogin M.L. 1998 Molecular systematics of the intestinal amoebae. In: Evolutionary Relationships Among Protozoa (Coombs, G.H., Vickerman, K., Sleigh, M.A., Warren, A., eds.) Kluwer Academic Publishers, Dortrecht, The Netherlands, pp. 169-180

Clark, C.G. 1998 Entamoeba dispar: an organism reborn. Trans. R. Soc. Trop. Med. Hyg. 92: 361-364 PubMed Entry

Lujan, H.D., Conrad, J.T., Clark, C.G., Touz, M.C., Delbac, F., Vivares, C.P., Nash, T.E. 1998 Detection of microsporidia spore-specific antigens by monoclonal antibodies. Hybridoma 17: 237-43 PubMed Entry

Roger, A.J., Svärd, S.G., Tovar, J., Clark, C.G., Smith, M.W., Gillin, F.D., Sogin, M.L. 1998 A mitochondrial-like chaperonin 60 gene in Giardia lamblia: Evidence that diplomonads once harbored an endosymbiont related to the progenitor of mitochondria. Proc. Natl. Acad. Sci. USA 95: 229-234 PubMed Entry

Pung, O.J., Spratt, J., Clark, C.G., Norton, T.M., Carter, J. 1998 Trypanosoma cruzi infection of free-ranging lion-tailed macaques (Macaca silenus) and ring-tailed lemurs (Lemur catta) on St. Catherine's Island, Georgia, USA. J. Zoo Wildl. Med. 29: 25-30 PubMed Entry

Clark, C.G. 1997 Riboprinting: a general tool for the study of genetic diversity in microorganisms. J. Eukaryot. Microbiol. 44: 277-283 PubMed Entry

Dodson, J.M., Clark, C.G., Lockhart, L.A., Leo, B.M., Schroeder, J.W., Mann, B.J.1997 Comparison of adherence, cytotoxicity, and Gal/GalNAc lectin gene structure in Entamoeba histolytica and Entamoeba dispar. Parasitol. Int. 46: 225-235

Ackers, J., Clark, C.G., Diamond, L.S., Duchêne, M., Espinosa Cantellano, M., Jackson, T.F.H.G., Martínez-Palomo, A., Mirelman, D., Muñoz Hernández, O., Pérez Tamayo, R., Petri, W., Reed, S., Ruíz-Palacios, G., Samuelson, J., Santos Preciado, J.I., Tannich, E., Takeuchi, T., Ximénez, C. 1997 WHO/PAHO/UNESCO report. A consultation with experts on amoebiasis. Epidemiol. Bull. PAHO 18: 13-14

Clark, C.G. 1997 Extensive genetic diversity in Blastocystis hominis. Mol. Biochem. Parasitol. 87: 79-83 PubMed Entry

Ortner, S., Clark, C.G., Binder, M., Scheiner, O., Wiedermann, G., Duchêne, M. 1997 Molecular biology of the hexokinase isoenzyme pattern that distinguishes pathogenic Entamoeba histolytica from nonpathogenic Entamoeba dispar. Mol. Biochem. Parasitol. 86: 85-94 PubMed Entry

Clark, C.G., Diamond, L.S. 1997 Intraspecific variation and phylogenetic relationships in the genus Entamoeba as revealed by riboprinting. J. Eukaryot. Microbiol. 44: 142-154 PubMed Entry

1995-1996:

Roger, A.J., Clark, C.G., Doolittle, W.F. 1996 A possible mitochondrial gene in the early-branching amitochondriate protist Trichomonas vaginalis. Proc. Natl. Acad. Sci. USA 93: 14618-14622 PubMed Entry

Silberman, J.D., Sogin, M.L., Leipe, D.D., Clark, C.G. 1996 Human parasite finds taxonomic home. Nature 380:398 PubMed Entry

Silberman, J.D., Clark, C.G., Sogin, M.L. 1996 Dientamoeba fragilis shares a recent common evolutionary history with the trichomonads. Mol. Biochem. Parasitol. 76: 311-314 PubMed Entry

Clark, C.G. 1995 Evolution of virulence in Entamoeba histolytica. Trop. Dis. Bull. 92: R147-R155

Clark, C.G. 1995 Axenic cultivation of Entamoeba dispar Brumpt 1925, Entamoeba insolita Geiman and Wichterman 1937 and Entamoeba ranarum Grassi 1879. J. Eukaryot. Microbiol. 42: 590-593 PubMed Entry

Clark, C.G., Roger, A.J. 1995 Direct evidence for secondary loss of mitochondria in Entamoeba histolytica. Proc. Natl. Acad. Sci. USA 92: 6518-6521 PubMed Entry

Diamond, L.S., Clark, C.G., Cunnick, C.C. 1995 YI-S, a casein-free medium for axenic cultivation of Entamoeba histolytica, related Entamoeba, Giardia intestinalis and Trichomonas vaginalis. J. Eukaryot. Microbiol. 42: 277-278 PubMed Entry

Clark, C.G., Martin, D.S., Diamond, L.S. 1995 Phylogenetic relationships among anuran trypanosomes as revealed by riboprinting. J. Eukaryot. Microbiol.42: 92-96 PubMed Entry

1993-1994:

Clark, C.G., Pung, O.J. 1994 Host-specificity of ribosomal DNA variation in sylvatic Trypanosoma cruzi from North America. Mol. Biochem. Parasitol. 66: 175-179 PubMed Entry

Petri, W.A., Jr., Clark, C.G., Diamond, L.S. 1994 Host-Parasite Relationships in Amebiasis [Meeting report]. J. Infect. Dis. 169: 483-484 PubMed Entry

Clark, C.G., Diamond, L.S. 1994 Pathogenicity, virulence and Entamoeba histolytica [Commentary]. Parasitol. Today 10: 46-47

Clark, C.G., Diamond, L.S. 1994 Pathogenicity or virulence - reply [Letter].Parasitol. Today 10: 263

Clark, C.G., Diamond, L.S. 1993 Entamoeba histolytica: a method for isolate identification. Exp. Parasitol. 77: 450-455 PubMed Entry

Clark, C.G., Diamond, L.S. 1993 Entamoeba histolytica: an explanation for the reported conversion of 'nonpathogenic' amebae to the 'pathogenic' form. Exp. Parasitol. 77: 456-460 PubMed Entry

Diamond, L.S., Clark, C.G. 1993 A redescription of Entamoeba histolytica Schaudinn, 1903 (emended Walker, 1911) separating it from Entamoeba dispar Brumpt, 1925. J. Eukaryot. Microbiol. 40:340-344 PubMed Entry

Clark, C.G. 1993 Speciation and clonality in Entamoeba histolytica [Letter]. Parasitol. Today 9: 293

Clark, C.G. 1993 PCR detection of pathogenic Entamoeba histolytica and differentiation from other intestinal protozoa by riboprinting. In: Diagnostic Molecular Microbiology (Persing, D.H., Smith, T.F., Tenover, F.C., White, T.J.,eds.) ASM Press, Washington, D.C., pp. 468-474

Petri, W.A., Jr., Clark, C.G., Braga, L.L., Mann, B.J. 1993 International Seminar on Amebiasis [Meeting Report]. Parasitol. Today 9: 73-76

1991-1992:

Clark, C.G., Cunnick, C.C., Diamond, L.S. 1992 Entamoeba histolytica: is conversion of 'nonpathogenic' amebae to the 'pathogenic' form a real phenomenon? Exp. Parasitol. 74: 307-314 PubMed Entry

Clark, C.G., Diamond, L.S. 1992 Differentiation of pathogenic Entamoeba histolytica from other intestinal protozoa by riboprinting. Arch. Med.Res. 23: 15-16 PubMed Entry

Clark, C.G. 1992 Riboprinting: a molecular approach to the identification and taxonomy of protozoa. in Protocols in Protozoology, Volume1.(J.J. Lee, A.T. Soldo, eds) Allen Press, Lawrence, Kansas. D-4.1 -D-4.4.

Clark, C.G. 1992 DNA purification from polysaccharide-rich cells. in Protocols in Protozoology, Volume 1.(J.J. Lee, A.T. Soldo, eds) AllenPress, Lawrence, Kansas. D-3.1 - D-3.2.

Clark, C.G., Diamond, L.S. 1992 Colonization of the uterus by the oral protozoan Entamoeba gingivalis. Am. J. Trop. Med. Hyg. 46:158-160 PubMed Entry

Clark, C.G., Diamond, L.S. 1991 Ribosomal RNA genes of 'pathogenic' and 'nonpathogenic' Entamoeba histolytica are distinct. Mol. Biochem. Parasitol. 49: 297-302 PubMed Entry

Clark, C.G., Diamond, L.S. 1991 The Laredo strain and other Entamoeba histolytica-like amoebae are Entamoeba moshkovskii. Mol. Biochem. Parasitol. 46: 11-18 PubMed Entry

1987-1990:

Clark, C.G., Lai, E.Y., Fulton, C., Cross, G.A.M. 1990 Electrophoretic karyotype and linkage groups of the amoeboflagellate Naegleria gruberi. J. Protozool. 37: 400-408 PubMed Entry

Clark, C.G. 1990 Genome structure and evolution of Naegleria and its relatives. J. Protozool. 37: 2S-6S PubMed Entry

Clark, C.G., Cross, G.A.M., De Jonckheere, J.F. 1989 Evaluation of evolutionary divergence in the genus Naegleria by analysis of ribosomal DNA restriction enzyme patterns. Mol. Biochem. Parasitol. 34:281-296 PubMed Entry

Clark, C.G., Cross, G.A.M. 1988 Small-subunit ribosomal RNA sequence from Naegleria gruberi supports the polyphyletic origin of amoebas. Mol.Biol. Evol. 5: 512-518 PubMed Entry

Clark, C.G., Cross, G.A.M. 1988 Circular ribosomal RNA genes are a general feature of schizopyrenid amoebae. J. Protozool. 35: 326-329 PubMed Entry

Clark, C.G., Cross, G.A.M. 1987 rRNA genes of Naegleria gruberi are carried exclusively on a 14-kilobase-pair plasmid. Mol. Cell. Biol.7: 3027-3031 PubMed Entry

Campbell, D.A., Kubo, K., Clark, C.G., Boothroyd, J.C. 1987 Precise identification of cleavage sites involved in the unusual processing of trypanosome ribosomal RNA. J. Mol. Biol. 196: 113-124 PubMed Entry

Clark, C.G. 1987 On the evolution of ribosomal RNA. J. Mol. Evol.25: 343-350 PubMed Entry

1982-1986:

Clark, C.G., Tague, B.W., Ware, V.C., Gerbi, S.A. 1984 Xenopus laevis 28S ribosomal RNA: a secondary structure model and its evolutionary and functional implications. Nucl. Acids Res. 12: 6197-6220 PubMed Entry

Ware, V.C., Tague, B.W., Clark, C.G., Gourse, R.L., Brand, R.C., Gerbi, S.A.1983 Sequence analysis of 28S ribosomal DNA from the amphibian Xenopus laevis. Nucl. Acids Res. 11: 7795-7817 PubMed Entry

Gerbi, S.A., Gourse, R.L., Clark, C.G. 1982 Conserved regions within ribosomal DNA: locations and some possible functions. in The Cell Nucleus, Volume X (H. Busch, L. Rothblum, eds.) Academic Press, New York.351-386

Clark, C.G., Gerbi, S.A. 1982 Ribosomal RNA evolution by fragmentation of the 23S progenitor: maturation pathway parallels evolutionary emergence. J. Mol. Evol. 18: 329-336 PubMed Entry