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Hae Jin Jeong	8 Articles
Expressed Sequence Tags of Trichinella spiralis Muscle Stage Larvae Hae Kyung Park, Seong Won Chang, Se Won Kang, Min Kyoung Cho, Sun Hee Choi, Yeon Chul Hong, Yong Seok Lee, Hae Jin Jeong, Hak Sun Yu Korean J Parasitol 2008;46(2):59-63. Published online June 20, 2008 DOI: https://doi.org/10.3347/kjp.2008.46.2.59 Abstract PDF In order to obtain greater insight into the relevant genomic expression patterns of Trichinella spiralis, 992 expressed sequence tags (ESTs) were collected from a cDNA library of T. spiralis muscle stage larvae and assembled into 60 clusters and 385 singletons. Of them, 445 (44.7%) ESTs were annotated to their homologous genes, and small fractions were matched to known genes of nematodes. The annotated ESTs were classified into 25 eukaryotic orthologous groups (KOG). Cytochrome C oxidase (34 clones) was found to be most frequent species. Citations Citations to this article as recorded by Characterisation of a high-frequency gene encoding a strongly antigenic cystatin-like protein from Trichinella spiralis at its early invasion stage Bin Tang, Mingyuan Liu, Libo Wang, Shenye Yu, Haining Shi, Pascal Boireau, Vasile Cozma, Xiuping Wu, Xiaolei Liu Parasites & Vectors.2015;[Epub] CrossRef Molecular characterization of 45kDa aspartic protease of Trichinella spiralis Jong Nam Park, Sang Kyun Park, Min Kyoung Cho, Mi-Kyung Park, Shin Ae Kang, Dong-Hee Kim, Hak Sun Yu Veterinary Parasitology.2012; 190(3-4): 510. CrossRef Protease-Activated Receptor 2 Is Involved in Th2 Responses againstTrichinella spiralisInfection Mi Kyung Park, Min Kyoung Cho, Shin Ae Kang, Hye-Kyung Park, Yun Seong Kim, Ki Uk Kim, Soon Cheol Ahn, Dong-Hee Kim, Hak Sun Yu The Korean Journal of Parasitology.2011; 49(3): 235. CrossRef Identification of host immune regulation candidate genes of Toxascaris leonina by expression sequenced tags (ESTs) analysis Min Kyoung Cho, Keun Hee Lee, Sun Joo Lee, Se Won Kang, Mee Sun Ock, Yeon Chul Hong, Yong Seok Lee, Hak Sun Yu Veterinary Parasitology.2009; 164(2-4): 242. CrossRef 8,938 View 84 Download Crossref Natural occurrence of Mycobacterium as an endosymbiont of Acanthamoeba isolated from a contact lens storage case Hak Sun Yu, Hae Jin Jeong, Yeon-Chul Hong, Seong-Yong Seol, Dong-Il Chung, Hyun-Hee Kong Korean J Parasitol 2007;45(1):11-18. Published online March 20, 2007 DOI: https://doi.org/10.3347/kjp.2007.45.1.11 Abstract PDF Recent in vitro studies have revealed that a certain Mycobacterium can survive and multiply within free-living amoebae. It is believed that protozoans function as host cells for the intracellular replication and evasion of Mycobacterium spp. under harmful conditions. In this study, we describe the isolation and characterization of a bacterium naturally observed within an amoeba isolate acquired from a contact lens storage case. The bacterium multiplied within Acanthamoeba, but exerted no cytopathic effects on the amoeba during a 6-year amoebic culture. Trasnmission electron microscopy showed that the bacteria were randomly distributed within the cytoplasm of trophozoites and cysts of Acanthamoeba. On the basis of the results of 18S rRNA gene analysis, the amoeba was identified as A. lugdunensis. A 16S rRNA gene analysis placed this bacterium within the genus Mycobacterium. The bacterium evidenced positive reactivity for acid-fast and fluorescent acid-fast stains. The bacterium was capable of growth on the Middlebrook 7H11-Mycobacterium-specific agar. The identification and characterization of bacterial endosymbionts of free-living protozoa bears significant implications for our understanding of the ecology and the identification of other atypical mycobacterial pathogens. Citations Citations to this article as recorded by A Comparative Genomic Approach to Determine the Virulence Factors and Horizontal Gene Transfer Events of Clinical Acanthamoeba Isolates Xiaobin Gu, Xiuhai Lu, Shudan Lin, Xinrui Shi, Yue Shen, Qingsong Lu, Yiying Yang, Jing Yang, Jiabei Cai, Chunyan Fu, Yongliang Lou, Meiqin Zheng, Tim Downing, Kirti Megha Microbiology Spectrum.2022;[Epub] CrossRef A Systematic Review of Intracellular Microorganisms within Acanthamoeba to Understand Potential Impact for Infection Binod Rayamajhee, Dinesh Subedi, Hari Kumar Peguda, Mark Duncan Willcox, Fiona L. Henriquez, Nicole Carnt Pathogens.2021; 10(2): 225. CrossRef Detection of Free-Living Amoebae and Their Intracellular Bacteria in Borehole Water before and after a Ceramic Pot Filter Point-of-Use Intervention in Rural Communities in South Africa Clarissa van der Loo, Catheleen Bartie, Tobias George Barnard, Natasha Potgieter International Journal of Environmental Research and Public Health.2021; 18(8): 3912. CrossRef The key factors contributing to the risk, diagnosis and treatment of non-tuberculous mycobacterial opportunistic infections Anna Grzegorzewicz, Mariola Paściak Postępy Higieny i Medycyny Doświadczalnej.2021; 75(1): 696. CrossRef Co-Existence of Free-Living Amoebae and Potential Human Pathogenic Bacteria Isolated from Rural Household Water Storage Containers Natasha Potgieter, Clarissa van der Loo, Tobias George Barnard Biology.2021; 10(12): 1228. CrossRef The core microbiome of sessile ciliate Stentor coeruleus is not shaped by the environment Olivia Lanzoni, Andrey Plotnikov, Yuri Khlopko, Giulio Munz, Giulio Petroni, Alexey Potekhin Scientific Reports.2019;[Epub] CrossRef Repertoire of free-living protozoa in contact lens solutions Ibtissem Bouchoucha, Aurore Aziz, Louis Hoffart, Michel Drancourt BMC Ophthalmology.2016;[Epub] CrossRef Current and Past Strategies for Bacterial Culture in Clinical Microbiology Jean-Christophe Lagier, Sophie Edouard, Isabelle Pagnier, Oleg Mediannikov, Michel Drancourt, Didier Raoult Clinical Microbiology Reviews.2015; 28(1): 208. CrossRef Looking in amoebae as a source of mycobacteria M. Drancourt Microbial Pathogenesis.2014; 77: 119. CrossRef Molecular characterization and ultrastructure of a new amoeba endoparasite belonging to the Stenotrophomonas maltophilia complex Daniele Corsaro, Karl-Dieter Müller, Rolf Michel Experimental Parasitology.2013; 133(4): 383. CrossRef Identification of Free-Living Amoebae and Amoeba-Associated Bacteria from Reservoirs and Water Treatment Plants by Molecular Techniques Alicia Garcia, Pilar Goñi, Joanna Cieloszyk, Maria Teresa Fernandez, Laura Calvo-Beguería, Encarnacion Rubio, Maria Francisca Fillat, Maria Luisa Peleato, Antonio Clavel Environmental Science & Technology.2013; 47(7): 3132. CrossRef Cooccurrence of Free-Living Amoebae and Nontuberculous Mycobacteria in Hospital Water Networks, and Preferential Growth of Mycobacterium avium in Acanthamoeba lenticulata Alida R. Ovrutsky, Edward D. Chan, Marinka Kartalija, Xiyuan Bai, Mary Jackson, Sara Gibbs, Joseph O. Falkinham, Michael D. Iseman, Paul R. Reynolds, Gerald McDonnell, Vincent Thomas Applied and Environmental Microbiology.2013; 79(10): 3185. CrossRef Detection of Bacterial Endosymbionts in Clinical Acanthamoeba Isolates Alfonso Iovieno, Dolena R. Ledee, Darlene Miller, Eduardo C. Alfonso Ophthalmology.2010; 117(3): 445. CrossRef Biodiversity of amoebae and amoeba-associated bacteria in water treatment plants Daniele Corsaro, Gemma Saucedo Pages, Vicente Catalan, Jean-François Loret, Gilbert Greub International Journal of Hygiene and Environmental Health.2010; 213(3): 158. CrossRef Free-living amoebae and their intracellular pathogenic microorganisms: risks for water quality Vincent Thomas, Gerald McDonnell, Stephen P. Denyer, Jean-Yves Maillard FEMS Microbiology Reviews.2010; 34(3): 231. CrossRef Free-living amoebae, a training field for macrophage resistance of mycobacteria I.B. Salah, E. Ghigo, M. Drancourt Clinical Microbiology and Infection.2009; 15(10): 894. CrossRef Endosymbionts of Acanthamoeba Isolated from Domestic Tap Water in Korea Seon Hee Choi, Min Kyoung Cho, Soon Cheol Ahn, Ji Eun Lee, Jong Soo Lee, Dong-Hee Kim, Ying-Hua Xuan, Yeon Chul Hong, Hyun Hee Kong, Dong Il Chung, Hak Sun Yu The Korean Journal of Parasitology.2009; 47(4): 337. CrossRef Survival of amoebae on building materials T. Yli-Pirilä, J. Kusnetsov, M.-R. Hirvonen, M. Seuri, A. Nevalainen Indoor Air.2009; 19(2): 113. CrossRef Occurrence of Free-Living Amoebae in Communities of Low and High Endemicity for Buruli Ulcer in Southern Benin Miriam Eddyani, Johan F. De Jonckheere, Lies Durnez, Patrick Suykerbuyk, Herwig Leirs, Françoise Portaels Applied and Environmental Microbiology.2008; 74(21): 6547. CrossRef Relationship between mycobacteria and amoebae: ecological and epidemiological concerns V. Thomas, G. McDonnell Letters in Applied Microbiology.2007; 45(4): 349. CrossRef 11,058 View 97 Download Crossref A serological survey of Dirofilaria immitis infection in pet dogs of Busan, Korea, and effects of chemoprophylaxis Kang Hyun Byeon, Bong Jin Kim, Sun-Mi Kim, Hak Sun Yu, Hae Jin Jeong, Mee-Sun Ock Korean J Parasitol 2007;45(1):27-32. Published online March 20, 2007 DOI: https://doi.org/10.3347/kjp.2007.45.1.27 Abstract PDF The status of Dirofilaria immitis infection was assessed in pet dogs of Busan, Korea, and chemoprophylactic effects of microfilaricidal medication were evaluated. A total of 294 pet dogs older than 6 mo were examined, 217 of which had been maintained indoors, and 77 had been kept outdoors. The Snap^R kit and direct microscopic examinations of the peripheral blood were used. The mean overall parasite positive rates were 10.2% and 6.5%, respectively. Outdoor dogs evidenced adult worm infection rate of 31.2% and microfilaria infection rate of 18.2%. The indoor dogs, however, evidenced adult worm infection rate of 2.8% and microfilaria infection rate of 2.3%. The prevalence in males was more than 2 times that of females. The changing pattern of infection rates by age evidenced a gradual increase, from 2- to 6-year-old dogs, after which, a decrease in infection rates was noted. With regard to chemoprophylaxis, the infection rates of complete and incomplete chemoprophylaxis groups were found to be 2-3 times lower than that of the non-chemoprophylaxis group. The results of the present study indicate that the risk of exposure to D. immitis in pet dogs is quite high, particularly in male outdoor dogs, and chemoprophylactic measures were quite effective. Citations Citations to this article as recorded by Filariasis in dogs brought to the Veterinary Teaching Hospital, University of Peradeniya, Sri Lanka Sandani S. Thilakarathne, Nayana Wijayawardhane, Piyumali K. Perera, Chandima Mallawa, Rupika S. Rajakaruna Parasitology Research.2023; 122(2): 461. CrossRef Molecular detection of Dirofilaria immitis and its Wolbachia endosymbionts in dogs from Myanmar Saw Bawm, Yadanar Khaing, Hla Myet Chel, Myint Myint Hmoon, Shwe Yee Win, Min Bo, Tint Naing, Lat Lat Htun Current Research in Parasitology & Vector-Borne Diseases.2023; 4: 100148. CrossRef Detection of Dirofilaria immitis using microscopic, serological and molecular techniques among dogs in Cabo Frio, RJ, Brazil Taíssa Angélica Lemos Trancoso, Nathália da Conceição Lima, Alynne Silva Barbosa, Daniela Leles, Ana Beatriz Monteiro Fonseca, Norma Vollmer Labarthe, Otilio Machado Pereira Bastos, Claudia Maria Antunes Uchôa Revista Brasileira de Parasitologia Veterinária.2020;[Epub] CrossRef The global status of Dirofilaria immitis in dogs: a systematic review and meta-analysis based on published articles Davood Anvari, Elahe Narouei, Ahmad Daryani, Shahabeddin Sarvi, Mahmood Moosazadeh, Hajar Ziaei Hezarjaribi, Mohammad Reza Narouei, Shirzad Gholami Research in Veterinary Science.2020; 131: 104. CrossRef Prevalence of dirofilariasis in shepherd and stray dogs in Iranshahr, southeast of Iran Davood Anvari, Dariush Saadati, Abolghasem Siyadatpanah, Shirzad Gholami Journal of Parasitic Diseases.2019; 43(2): 319. CrossRef Molecular Analysis of Canine Filaria and Its Wolbachia Endosymbionts in Domestic Dogs Collected from Two Animal University Hospitals in Bangkok Metropolitan Region, Thailand Hathaithip Satjawongvanit, Atchara Phumee, Sonthaya Tiawsirisup, Sivapong Sungpradit, Narisa Brownell, Padet Siriyasatien, Kanok Preativatanyou Pathogens.2019; 8(3): 114. CrossRef Incidence of Dirofilaria immitis in dogs presented at University of Nigeria, Nsukka Veterinary Teaching Hospital using wet smear and buffy coat techniques Chukwuebuka Iniobong Ikenna Ugochukwu, Nebolisah Omekam, Emmanuel Ikenna Ugochukwu Asian Pacific Journal of Tropical Disease.2016; 6(8): 627. CrossRef Prevalence ofDirofilaria immitisinfection in dogs in Henan province, central China Shuai Wang, Nian Zhang, Zhenchao Zhang, Dong Wang, Zhijun Yao, Haizhu Zhang, Jingbo Ma, Bin Zheng, Hongbin Ren, Shiguo Liu Parasite.2016; 23: 43. CrossRef Epidemiological aspects of Dirofilaria immitis infection in dogs from Assam of Northeast India Kanta Bhattacharjee, Prabhat Chandra Sarmah Asian Pacific Journal of Tropical Disease.2014; 4: S255. CrossRef Microscopic, serologic and molecular surveys on Dirofilaria immitis in stray dogs, Turkey Sami Simsek, Yunusemre Ozkanlar, Ibrahim Balkaya, Mustafa Sinan Aktas Veterinary Parasitology.2011; 183(1-2): 109. CrossRef Public health issues concerning the widespread distribution of canine heartworm disease Alice C.Y. Lee, Susan P. Montgomery, Jerold H. Theis, Byron L. Blagburn, Mark L. Eberhard Trends in Parasitology.2010; 26(4): 168. CrossRef Comparison of selected canine vector-borne diseases between urban animal shelter and rural hunting dogs in Korea Sun Lim, Peter J Irwin, SeungRyong Lee, MyungHwan Oh, KyuSung Ahn, BoYoung Myung, SungShik Shin Parasites & Vectors.2010;[Epub] CrossRef Serological and molecular studies onDirofilaria immitisin dogs from Turkey S. Simsek, A.E. Utuk, E. Koroglu, M. Rishniw Journal of Helminthology.2008; 82(2): 181. CrossRef Ectopic Migration of an Adult Heartworm in a Dog with Dirofilariasis Hyun-Wook Oh, Hyung-Kyou Jun, Myung-Jo You, Mineo Hayasaki, Kun-Ho Song The Korean Journal of Parasitology.2008; 46(3): 171. CrossRef 8,523 View 135 Download Crossref Molecular characterization of bacterial endosymbionts of Acanthamoeba isolates from infected corneas of Korean patients Ying-Hua Xuan, Hak Sun Yu, Hae Jin Jeong, Sung-Yong Seol, Dong-Il Chung, Hyun-Hee Kong Korean J Parasitol 2007;45(1):1-9. Published online March 20, 2007 DOI: https://doi.org/10.3347/kjp.2007.45.1.1 Abstract PDF The endosymbionts of 4 strains of Acanthamoeba (KA/E9, KA/E21, KA/E22, and KA/E23) isolated from the infected corneas of Korean patients were characterized via orcein stain, transmission electron microscopic examination, and 16S rDNA sequence analysis. Double membrane-bound, rod-shaped endosymbionts were distributed randomly throughout both the trophozoites and cysts of each of Acanthamoeba isolates. The endosymbionts of KA/E9, KA/E22, and KA/E23 were surrounded by electron-translucent areas. No lacunae-like structures were observed in the endosymbionts of KA/E21, the bacterial cell walls of which were studded with host ribosomes. Comparative analyses of the 16S rDNA sequences showed that the endosymbionts of KA/E9, KA/E22 and KA/E23 were closely related to Caedibacter caryophilus, whereas the KA/E21 endosymbiont was assigned to the Cytophaga-Flavobacterium-Bacteroides (CFB) phylum. In the 4 strains of Acanthamoeba, the hosts of the endosymbionts were identified as belonging to the Acanthamoeba castellanii complex, which corresponds to the T4 genotype. Acanthamoeba KA/E21 evidenced characteristics almost identical to those of KA/E6, with the exception of the existence of endosymbionts. The discovery of these endosymbionts from Acanthamoeba may prove essential to future studies focusing on interactions between the endosymbionts and the amoebic hosts. Citations Citations to this article as recorded by Proteases of Acanthamoeba Behroz Mahdavi Poor, Jalil Rashedi, Vahid Asgharzadeh, Amirali Mirmazhary, Nazila Gheitarani Parasitology Research.2024;[Epub] CrossRef Presence and diversity of free-living amoebae and their potential application as water quality indicators Areum Choi, Ji Won Seong, Jeong Hyun Kim, Jun Young Lee, Hyun Jae Cho, Shin Ae Kang, Mi Kyung Park, Mi Jin Jeong, Seo Yeong Choi, Yu Jin Jeong, Hak Sun Yu Parasites, Hosts and Diseases.2024; 62(2): 180. CrossRef Contamination of fresh vegetables in municipal stores with pathogenic Acanthamoeba genotypes; a public health concern Marziye Fatemi, Maryam Niyyati, Soheila Rouhani, Seyed Ahmad Karamati, Hamed Mirjalali, Panagiotis Karanis International Journal of Environmental Health Research.2023; 33(10): 1010. CrossRef The life cycle-dependent transcriptional profile of the obligate intracellular amoeba symbiontAmoebophilus asiaticus E Selberherr, T Penz, L König, B Conrady, A Siegl, M Horn, S Schmitz-Esser FEMS Microbiology Ecology.2022;[Epub] CrossRef A Systematic Review of Intracellular Microorganisms within Acanthamoeba to Understand Potential Impact for Infection Binod Rayamajhee, Dinesh Subedi, Hari Kumar Peguda, Mark Duncan Willcox, Fiona L. Henriquez, Nicole Carnt Pathogens.2021; 10(2): 225. CrossRef Molecular characterization of bacterial, viral and fungal endosymbionts of Acanthamoeba isolates in keratitis patients of Iran Elham Hajialilo, Mostafa Rezaeian, Maryam Niyyati, Mohammad Reza Pourmand, Mehdi Mohebali, Mehdi Norouzi, Kobra Razavi Pashabeyg, Sassan Rezaie, Sadegh Khodavaisy Experimental Parasitology.2019; 200: 48. CrossRef Nuclear Group I introns with homing endonuclease genes in Acanthamoeba genotype T4 Daniele Corsaro, Danielle Venditti European Journal of Protistology.2018; 66: 26. CrossRef Molecular identification of bacterial endosymbionts of Sappinia strains Daniele Corsaro, Claudia Wylezich, Julia Walochnik, Danielle Venditti, Rolf Michel Parasitology Research.2017; 116(2): 549. CrossRef Identification of Paenibacillus as a Symbiont in Acanthamoeba Vinicius José Maschio, Gertrudes Corção, Francielle Bücker, Karin Caumo, Marilise Brittes Rott Current Microbiology.2015; 71(3): 415. CrossRef Identifying endosymbiont bacteria associated with free‐living amoebae Pilar Goñi, María Teresa Fernández, Encarnación Rubio Environmental Microbiology.2014; 16(2): 339. CrossRef Acanthamoeba castellanii cysts: new ultrastructural findings Bibiana Chávez-Munguía, Lizbeth Salazar-Villatoro, Anel Lagunes-Guillén, Maritza Omaña-Molina, Martha Espinosa-Cantellano, Adolfo Martínez-Palomo Parasitology Research.2013; 112(3): 1125. CrossRef Functional expression and characterization of an iron-containing superoxide dismutase of Acanthamoeba castellanii Jung-Yeon Kim, Byoung-Kuk Na, Kyoung-Ju Song, Mi-Hyun Park, Yun-Kyu Park, Tong-Soo Kim Parasitology Research.2012; 111(4): 1673. CrossRef A bacterial genome in transition - an exceptional enrichment of IS elements but lack of evidence for recent transposition in the symbiont Amoebophilus asiaticus Stephan Schmitz-Esser, Thomas Penz, Anja Spang, Matthias Horn BMC Evolutionary Biology.2011;[Epub] CrossRef Is Acanthamoeba pathogenicity associated with intracellular bacteria? Graeme Neil Paterson, Michael Rittig, Ruqaiyyah Siddiqui, Naveed Ahmed Khan Experimental Parasitology.2011; 129(2): 207. CrossRef Detection of Bacterial Endosymbionts in Clinical Acanthamoeba Isolates Alfonso Iovieno, Dolena R. Ledee, Darlene Miller, Eduardo C. Alfonso Ophthalmology.2010; 117(3): 445. CrossRef Bilateral Acanthamoeba Keratitis After Orthokeratology Eun Chul Kim, Man Soo Kim Cornea.2010; 29(6): 680. CrossRef Free-living amoebae and their intracellular pathogenic microorganisms: risks for water quality Vincent Thomas, Gerald McDonnell, Stephen P. Denyer, Jean-Yves Maillard FEMS Microbiology Reviews.2010; 34(3): 231. CrossRef Bilateral Acanthamoeba Keratitis After Orthokeratology Eun Chul Kim, Man Soo Kim Cornea.2009; 28(3): 348. CrossRef Keratitis by Acanthamoeba triangularis: Report of Cases and Characterization of Isolates Ying-Hua Xuan, Byung-Suk Chung, Yeon-Chul Hong, Hyun-Hee Kong, Tae-Won Hahn, Dong-Il Chung The Korean Journal of Parasitology.2008; 46(3): 157. CrossRef Diversity of Bacterial Endosymbionts of Environmental Acanthamoeba Isolates Stephan Schmitz-Esser, Elena R. Toenshoff, Susanne Haider, Eva Heinz, Verena M. Hoenninger, Michael Wagner, Matthias Horn Applied and Environmental Microbiology.2008; 74(18): 5822. CrossRef 10,235 View 94 Download Crossref Comparison of specific activity and cytopathic effects of purified 33 kDa serine proteinase from Acanthamoeba strains with different degree of virulence Won-Tae Kim, Hyun-Hee Kong, Young-Ran Ha, Yeon-Chul Hong, Hae Jin Jeong, Hak Sun Yu, Dong-Il Chung Korean J Parasitol 2006;44(4):321-330. Published online December 20, 2006 DOI: https://doi.org/10.3347/kjp.2006.44.4.321 Abstract PDF The pathogenic mechanism of granulomatous amebic encephalitis (GAE) and amebic keratitis (AK) by Acanthamoeba has yet to be clarified. Protease has been recognized to play an important role in the pathogenesis of GAE and AK. In the present study, we have compared specific activity and cytopathic effects (CPE) of purified 33 kDa serine proteinases from Acanthamoeba strains with different degree of virulence (A. healyi OC-3A, A. lugdunensis KA/E2, and A. castellanii Neff). Trophozoites of the 3 strains revealed different degrees of CPE on human corneal epithelial (HCE) cells. The effect was remarkably reduced by adding phenylmethylsulfonylfluoride (PMSF), a serine proteinase inhibitor. This result indicated that PMSF-susceptible proteinase is the main component causing cytopathy to HCE cells by Acanthamoeba. The purified 33 kDa serine proteinase showed strong activity toward HCE cells and extracellular matrix proteins. The purified proteinase from OC-3A, the most virulent strain, demonstrated the highest enzyme activity compared to KA/E2, an ocular isolate, and Neff, a soil isolate. Polyclonal antibodies against the purified 33 kDa serine proteinase inhibit almost completely the proteolytic activity of culture supernatant of Acanthamoeba. In line with these results, the 33 kDa serine proteinase is suggested to play an important role in pathogenesis and to be the main component of virulence factor of Acanthamoeba. Citations Citations to this article as recorded by Calcium ions in tap water may increase the adhesion ability of Acanthamoeba, potentially enhancing its cytopathic effects on corneal cells Yu-Jen Wang, Yao-Tsung Chang, Tsun-Hsien Hsiao, Chun-Hsien Chen, Chih-Ming Tsai, Jian-Ming Huang Parasite.2025; 32: 71. CrossRef Proteases of Acanthamoeba Behroz Mahdavi Poor, Jalil Rashedi, Vahid Asgharzadeh, Amirali Mirmazhary, Nazila Gheitarani Parasitology Research.2024;[Epub] CrossRef Characterization of novel extracellular proteases produced by Acanthamoeba castellanii after contact with human corneal epithelial cells and their relevance to pathogenesis Alvie Loufouma-Mbouaka, Tania Martín-Pérez, Martina Köhsler, Zeynep Danisman, Maya Schwarz, Rounik Mazumdar, Ascel Samba-Louaka, Julia Walochnik Parasites & Vectors.2024;[Epub] CrossRef Comparative cytotoxicity of Acanthamoeba castellanii-derived conditioned medium on human corneal epithelial and stromal cells Abdullah Alhazmi, Laura E. Sidney, Andy Hopkinson, Hany M. Elsheikha Acta Tropica.2024; 257: 107288. CrossRef Assessment of in vitro dynamics of pathogenic environmental Acanthamoeba T4 and T9 genotypes isolated from three recreational lakes in Klang Valley, Malaysia over the HaCaT cell monolayer Rohaya Abdul Halim, Hasseri Halim, Rosnani Hanim Mohd Hussain, Shafiq Aazmi, Naveed Ahmed Khan, Ruqaiyyah Siddiqui, Tengku Shahrul Anuar Journal of Water and Health.2024; 22(12): 2289. CrossRef Identification of an Antimicrobial Protease from Acanthamoeba via a Novel Zymogram Alvaro de Obeso Fernández del Valle, Luis Javier Melgoza-Ramírez, María Fernanda Esqueda Hernández, Alfonso David Rios-Pérez, Sutherland K. Maciver Processes.2023; 11(9): 2620. CrossRef Acanthamoeba Mannose and Laminin Binding Proteins Variation across Species and Genotypes Daniele Corsaro Microorganisms.2022; 10(11): 2162. CrossRef In Vitro Cytopathogenic Activities of Acanthamoeba T3 and T4 Genotypes on HeLa Cell Monolayer Rosnani Hanim Mohd Hussain, Mohamed Kamel Abdul Ghani, Naveed Ahmed Khan, Ruqaiyyah Siddiqui, Shafiq Aazmi, Hasseri Halim, Tengku Shahrul Anuar Pathogens.2022; 11(12): 1474. CrossRef Differential expression of Acanthamoeba castellanii proteins during amoebic keratitis in rats Ana Carolina Carvalho-Silva, Camila H. Coelho, Cecília Cirelli, Frederico Crepaldi, Isabela Aurora Rodrigues-Chagas, Cinthia Furst, Daniel Carvalho Pimenta, Juliano Simões de Toledo, Ana Paula Fernandes, Adriana Oliveira Costa Experimental Parasitology.2021; 221: 108060. CrossRef Peganum harmala Extract Has Antiamoebic Activity to Acanthamoeba triangularis Trophozoites and Changes Expression of Autophagy-Related Genes Rachasak Boonhok, Suthinee Sangkanu, Julalak Chuprom, Mayuna Srisuphanunt, Roghayeh Norouzi, Abolghasem Siyadatpanah, Farzaneh Mirzaei, Watcharapong Mitsuwan, Sueptrakool Wisessombat, Maria de Lourdes Pereira, Mohammed Rahmatullah, Polrat Wilairatana, Chr Pathogens.2021; 10(7): 842. CrossRef Extracellular protease profile of Acanthamoeba after prolonged axenic culture and after interaction with MDCK cells Cecília Cirelli, Elaine Isabela Soares Mesquita, Isabela Aurora Rodrigues Chagas, Cinthia Furst, Cynara Oliveira Possamai, Jonatas Santos Abrahão, Ludmila Karen dos Santos Silva, Marina Felipe Grossi, Carlos Alberto Tagliati, Adriana Oliveira Costa Parasitology Research.2020; 119(2): 659. CrossRef Busting biofilms: free-living amoebae disrupt preformed methicillin-resistant Staphylococcus aureus (MRSA) and Mycobacterium bovis biofilms Kevin H. Martin, Grace I. Borlee, William H. Wheat, Mary Jackson, Bradley R. Borlee Microbiology .2020; 166(8): 695. CrossRef Anti-amoebic potential of azole scaffolds and nanoparticles against pathogenic Acanthamoeba Shweta Walvekar, Ayaz Anwar, Areeba Anwar, Nanthini Sridewi, Mohammad Khalid, Yoon Yen Yow, Naveed Ahmed Khan Acta Tropica.2020; 211: 105618. CrossRef Identification and biochemical characterisation of Acanthamoeba castellanii cysteine protease 3 Zhixin Wang, Duo Wu, Hiroshi Tachibana, Meng Feng, Xun-jia Cheng Parasites & Vectors.2020;[Epub] CrossRef Extracellular vesicles and vesicle-free secretome of the protozoa Acanthamoeba castellanii under homeostasis and nutritional stress and their damaging potential to host cells Diego de Souza Gonçalves, Marina da Silva Ferreira, Susie Coutinho Liedke, Kamilla Xavier Gomes, Gabriel Afonso de Oliveira, Pedro Ernesto Lopes Leão, Gabriele Vargas Cesar, Sergio H. Seabra, Juliana Reis Cortines, Arturo Casadevall, Leonardo Nimrichter, Virulence.2018; 9(1): 818. CrossRef Characterization of extracellular proteases of Acanthamoeba genotype T4 isolated from different sources in Iran Behroz Mahdavi Poor, Abdolhossein Dalimi, Fatemeh Ghafarifar, Fariba Khoshzaban, Jalal Abdolalizadeh Parasitology Research.2017; 116(12): 3373. CrossRef Characterisation and expression analysis of trophozoite and cyst proteins of Acanthamoeba spp. isolated from Acanthamoeba keratitis (AK) patient Himansu Sekhar Behera, Gita Satpathy Molecular and Biochemical Parasitology.2016; 205(1-2): 29. CrossRef Microbial collagenases: challenges and prospects in production and potential applications in food and nutrition Gaurav Kumar Pal, Suresh PV RSC Advances.2016; 6(40): 33763. CrossRef Acanthamoeba culbertsoni: Electron‐Dense Granules in a Highly Virulent Clinical Isolate Bibiana Chávez‐Munguía, Lizbeth Salazar‐Villatoro, Maritza Omaña‐Molina, Martha Espinosa‐Cantellano, Elizabeth Ramírez‐Flores, Jacob Lorenzo‐Morales, Adolfo Martínez‐Palomo Journal of Eukaryotic Microbiology.2016; 63(6): 744. CrossRef Diversity, Structures, and Collagen-Degrading Mechanisms of Bacterial Collagenolytic Proteases Yu-Zhong Zhang, Li-Yuan Ran, Chun-Yang Li, Xiu-Lan Chen, F. E. Löffler Applied and Environmental Microbiology.2015; 81(18): 6098. 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Published online December 20, 2006 DOI: https://doi.org/10.3347/kjp.2006.44.4.313 Abstract PDF In an effort to characterize, on the molecular scale, the Acanthamoeba initially isolated from the cornea of an amoebic keratitis patient associated with overnight-wear orthokeratology lens in Korea, we conducted mitochondrial DNA restriction fragment length polymorphism, 18S rDNA sequencing, and drug sensitivity analyses on the isolate (KA/PE1). The patient was treated with polyhexamethylene biguanide, chlorhexidine and oral itraconazole, which resulted in resolution of the patient's ocular inflammation. The majority of the molecular characteristics of the KA/PE1 were determined to be identical, or quite similar, to those of A. castellanii Ma strain, which had been isolated also from amoebic keratitis. The risk of Acanthamoeba keratitis as a potential complication of overnight orthokeratology is briefly discussed. 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CrossRef Riboflavin and Ultraviolet Light A Therapy as an Adjuvant Treatment for Medically Refractive Acanthamoeba Keratitis Yasin A. Khan, Renata T. Kashiwabuchi, Suy Anne Martins, Juan M. Castro-Combs, Sachin Kalyani, Philip Stanley, David Flikier, Ashley Behrens Ophthalmology.2011; 118(2): 324. CrossRef Bilateral Acanthamoeba Keratitis After Orthokeratology Eun Chul Kim, Man Soo Kim Cornea.2010; 29(6): 680. CrossRef Twenty Years of Acanthamoeba Keratitis F R S Carvalho, A S Foronda, M J Mannis, A L Höfling-Lima, R Belfort, Denise de Freitas Cornea.2009; 28(5): 516. CrossRef Molecular Phylogeny of Acanthamoeba Hyun Hee Kong The Korean Journal of Parasitology.2009; 47(Suppl): S21. CrossRef Bilateral Acanthamoeba Keratitis After Orthokeratology Eun Chul Kim, Man Soo Kim Cornea.2009; 28(3): 348. CrossRef Trends in Microbial Keratitis Associated With Orthokeratology Kathleen G. Watt, Helen A. Swarbrick Eye & Contact Lens: Science & Clinical Practice.2007; 33(6): 373. CrossRef 14,223 View 110 Download Crossref Expressed sequence tags analysis of Blattella germanica Hyang Suk Chung, Tai Hyun Yu, Bong Jin Kim, Sun Mi Kim, Joo Yeong Kim, Hak Sun Yu, Hae Jin Jeong, Mee Sun Ock Korean J Parasitol 2005;43(4):149-156. Published online December 20, 2005 DOI: https://doi.org/10.3347/kjp.2005.43.4.149 Abstract PDF Four hundred and sixty five randomly selected clones from a cDNA library of Blattella germanica were partially sequenced and searched using BLAST as a means of analyzing the transcribed sequences of its genome. A total of 363 expressed sequence tags (ESTs) were generated from 465 clones after editing and trimming the vector and ambiguous sequences. About 42% (154/363) of these clones showed significant homology with other data base registered genes. These new B. germanica genes constituted a broad range of transcripts distributed among ribosomal proteins, energy metabolism, allergens, proteases, protease inhibitors, enzymes, translation, cell signaling pathways, and proteins of unknown function. Eighty clones were not well-matched by database searches, and these represent new B. germanica-specific ESTs. Some genes which drew our attention are discussed. The information obtained increases our understanding of the B. germanica genome. Citations Citations to this article as recorded by The Distribution Characteristics of Microsatellites in the Transcriptome of Periplaneta americana Lifang Zhang, Shangeng He Cytology and Genetics.2023; 57(5): 491. CrossRef Identification and characterization of microRNAs in American cockroach (Periplaneta americana) Qiao Yang, Zheng Bao, Mingyu Yang, Yongmei Shen, Xiuyue Zhang, Bisong Yue, Yang Meng, Zhenxin Fan Gene.2020; 743: 144610. 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Published online June 20, 2005 DOI: https://doi.org/10.3347/kjp.2005.43.2.47 Abstract PDF A survey was carried out from August to December 2004 in Pusan, Korea to document the presence of free-living amoeba (FLA), including the genus Acanthamoeba, in both contact lens storage cases and domestic tap water. Acanthamoeba was isolated from 5 (4.2%) in 120 contact lens storage cases. Four house tap water samples from residents, whose contact lens storage cases had been contaminated by Acanthamoeba, were also found to be contaminated with Acanthamoeba. Therefore, the contamination rate of FLA and Acanthamoeba in domestic tap water was investigated in order to examine the role of domestic tap water in Acanthamoeba contamination of contact lens storage cases. FLA and Acanthamoeba were identified in 97 (46.8%) and 16 (7.7%) of the 207 domestic tap water samples, respectively. There were no significant differences between the contamination rates of FLA in tap water according to the filtration plant of origin. No FLA was detected in the tap water directly supplied by the water purification plants. Water storage tanks appear to promote FLA colonization, including Acanthamoeba, in domestic tap water. This increases the risk of Acanthamoeba contamination in contact lens storage cases as well as increasing the risk of Acanthamoeba keratitis. Citations Citations to this article as recorded by Calcium ions in tap water may increase the adhesion ability of Acanthamoeba, potentially enhancing its cytopathic effects on corneal cells Yu-Jen Wang, Yao-Tsung Chang, Tsun-Hsien Hsiao, Chun-Hsien Chen, Chih-Ming Tsai, Jian-Ming Huang Parasite.2025; 32: 71. 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