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Last data update: Feb 7, 2019. (Total: 2221 publications since 2011)

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Records 1-48 (of 48 Records)

Query Trace: all>>Venkatachalam Udhayakumar[CDC Author]
Screening for Pfhrp2/3-Deleted Plasmodium falciparum, Non-falciparum, and Low-Density Malaria Infections by a Multiplex Antigen Assay. Mateusz M Plucinski, Camelia Herman, Sophie Jones, Rafael Dimbu, Filomeno Fortes, Dragan Ljolje, Naomi Lucchi, Sean C Murphy, Nahum T Smith, Kurtis R Cruz, Annette M Seilie, Eric S Halsey, Venkatachalam Udhayakumar, Michael Aidoo, and Eric Rogier The Journal of infectious diseases 2018 Sep Similar articles in PubMed
Field evaluation of a real time loop-mediated isothermal amplification assay (RealAmp) for malaria diagnosis in Cruzeiro do Sul, Acre, Brazil. Giselle Maria Rachid Viana, Luciana Silva-Flannery, Danielle Regina Lima Barbosa, Naomi Lucchi, Suiane Costa Negreiros do Valle, Samela Farias, Nayara Barbalho, Paola Marchesini, Juliana Chedid Nogaredi Rossi, Venkatachalam Udhayakumar, Marinete Marins Póvoa, and Alexandre Macedo de Oliveira PloS one 2018 (7) e0200492 Similar articles in PubMed
PET-PCR for Detection of Plasmodium falciparum Plasmepsin 2 G ene copy number. Samaly Santos Souza, Mariangela L'Episcopia, Carlo Severini, Venkatachalam Udhayakumar, and Naomi W Lucchi Antimicrobial agents and chemotherapy 2018 Jun Similar articles in PubMed
Efficacy and safety of artemether-lumefantrine, artesunate-amodiaquine, and dihydroartemisinin-piperaquine for the treatment of uncomplicated Plasmodium falciparum malaria in three provinces in Angola, 2017. Elizabeth Davlantes, Pedro Rafael Dimbu, Carolina Miguel Ferreira, Maria Florinda Joao, Dilunvuidi Pode, Jacinto Félix, Edgar Sanhangala, Benjamin Nieto Andrade, Samaly Dos Santos Souza, Eldin Talundzic, Venkatachalam Udhayakumar, Chantelle Owens, Eliane Mbounga, Lubbe Wiesner, Eric S Halsey, José Franco Martins, Filomeno Fortes, and Mateusz M Plucinski Malaria journal 2018 Apr 17(1) 144 Similar articles in PubMed
Major Threat to Malaria Control Programs by Plasmodium falciparum Lacking Histidine-Rich Protein 2, Eritrea. Araia Berhane, Karen Anderson, Selam Mihreteab, Karryn Gresty, Eric Rogier, Salih Mohamed, Filmon Hagos, Ghirmay Embaye, Anderson Chinorumba, Assefash Zehaie, Simone Dowd, Norman C Waters, Michelle L Gatton, Venkatachalam Udhayakumar, Qin Cheng, and Jane Cunningham Emerging infectious diseases 2018 Mar (3) 462-470 Similar articles in PubMed
Prevalence of molecular markers of artemisinin and lumefantrine resistance among patients with uncomplicated Plasmodium falciparum malaria in three provinces in Angola, 2015. Dragan Ljolje, Pedro Rafael Dimbu, Julia Kelley, Ira Goldman, Douglas Nace, Aleixo Macaia, Eric S Halsey, Pascal Ringwald, Filomeno Fortes, Venkatachalam Udhayakumar, Eldin Talundzic, Naomi W Lucchi, and Mateusz M Plucinski Malaria journal 2018 Feb (1) 84 Similar articles in PubMed
A next-generation sequencing and bioinformatics protocol for Malaria drug Resistance marker Surveillance (MaRS). Eldin Talundzic, Shashidhar Ravishankar, Julia Kelley, Dhruviben Patel, Mateusz Plucinski, Sarah Schmedes, Dragan Ljolje, Brooke Clemons, Susan Madison-Antenucci, Paul M Arguin, Naomi W Lucchi, Fredrik Vannberg, and Venkatachalam Udhayakumar Antimicrobial agents and chemotherapy 2018 Feb Similar articles in PubMed
The emergence and spread of kelch 13 mutations associated with artemisinin resistance in Plasmodium falciparum parasites in twelve Thai provinces from 2007 - 2016. Theerayot Kobasa, Eldin Talundzic, Rungniran Sug-Aram, Patcharida Boondat, Ira F Goldman, Naomi W Lucchi, Pratin Dharmarak, David Sintasath, Mark Fukuda, Toni Whistler, John MacArthur, Venkatachalam Udhayakumar, Preecha Prempree, and Nipon Chinanonwait Antimicrobial agents and chemotherapy 2018 Jan Similar articles in PubMed
Expanding the malaria molecular diagnostic options: opportunities and challenges for loop-mediated isothermal amplification tests for malaria control and elimination. Naomi W Lucchi, Daouda Ndiaye, Sumudu Britton, and Venkatachalam Udhayakumar Expert review of molecular diagnostics 2018 Jan Similar articles in PubMed
Molecular Characterization of a Cluster of Imported Malaria Cases in Puerto Rico. Stella M Chenet, Luciana Silva-Flannery, Naomi W Lucchi, Ljolje Dragan, Emilio Dirlikov, Kimberly Mace, Brenda Rivera-García, Paul M Arguin, and Venkatachalam Udhayakumar The American journal of tropical medicine and hygiene 2017 Jul Similar articles in PubMed
Molecular diagnosis of Plasmodium ovale by photo-induced electron transfer fluorogenic primers: PET-PCR. David Akerele, Dragan Ljolje, Eldin Talundzic, Venkatachalam Udhayakumar, and Naomi W Lucchi PloS one 2017 12(6) e0179178 Similar articles in PubMed
Molecular profile of malaria drug resistance markers of Plasmodium falciparum in Suriname. Stella M Chenet, Sheila Akinyi Okoth, Julia Kelley, Naomi Lucchi, Curtis S Huber, Stephen Vreden, Alexandre Macedo de Oliveira, John W Barnwell, Venkatachalam Udhayakumar, and Malti R Adhin Antimicrobial agents and chemotherapy 2017 Apr Similar articles in PubMed
Histidine-rich protein 2 (pfhrp2) and pfhrp3 gene deletions in Plasmodium falciparum isolates from select sites in Brazil and Bolivia. Giselle Maria Rachid Viana, Sheila Akinyi Okoth, Luciana Silva-Flannery, Danielle Regina Lima Barbosa, Alexandre Macedo de Oliveira, Ira F Goldman, Lindsay C Morton, Curtis Huber, Arletta Anez, Ricardo Luiz Dantas Machado, Luís Marcelo Aranha Camargo, Suiane Costa Negreiros do Valle, Marinete Marins Póvoa, Venkatachalam Udhayakumar, and John W Barnwell PloS one 2017 12(3) e0171150 Similar articles in PubMed
First Full Draft Genome Sequence of Plasmodium brasilianum. Eldin Talundzic, Shashidhar Ravishankar, Vishal Nayak, Dhruviben S Patel, Christian Olsen, Mili Sheth, Dhwani Batra, Vladimir Loparev, Fredrik O Vannberg, Venkatachalam Udhayakumar, and John W Barnwell Genome announcements 2017 Feb (6) Similar articles in PubMed
Efficacy of artemether-lumefantrine, artesunate-amodiaquine, and dihydroartemisinin-piperaquine for treatment of uncomplicated Plasmodium falciparum malaria in Angola, 2015. Mateusz M Plucinski, Pedro Rafael Dimbu, Aleixo Panzo Macaia, Carolina Miguel Ferreira, Claudete Samutondo, Joltim Quivinja, Marília Afonso, Richard Kiniffo, Eliane Mbounga, Julia S Kelley, Dhruviben S Patel, Yun He, Eldin Talundzic, Denise O Garrett, Eric S Halsey, Venkatachalam Udhayakumar, Pascal Ringwald, and Filomeno Fortes Malaria journal 2017 Feb 16(1) 62 Similar articles in PubMed
The molecular epidemiology of Pf k13 mutations in Senegal using targeted amplicon deep sequencing. Eldin Talundzic, Yaye D Ndiaye, Awa B Deme, Christian Olsen, Dhruviben S Patel, Shweta Biliya, Rachel Daniels, Fredrik O Vannberg, Sarah K Volkman, Venkatachalam Udhayakumar, and Daouda Ndiaye Antimicrobial agents and chemotherapy 2017 Jan Similar articles in PubMed
Evaluation of the Illumigene Malaria LAMP: A Robust Molecular Diagnostic Tool for Malaria Parasites. Naomi W Lucchi, Marie Gaye, Mammadou Alpha Diallo, Ira F Goldman, Dragan Ljolje, Awa Bineta Deme, Aida Badiane, Yaye Die Ndiaye, John W Barnwell, Venkatachalam Udhayakumar, and Daouda Ndiaye Scientific reports 2016 Nov 36808 Similar articles in PubMed
Genetic Characterisation of Plasmodium falciparum Isolates with Deletion of the pfhrp2 and/or pfhrp3 Genes in Colombia: The Amazon Region, a Challenge for Malaria Diagnosis and Control. Erika Jimena Dorado, Sheila Akinyi Okoth, Lidia Madeline Montenegro, Gustavo Diaz, John W Barnwell, Venkatachalam Udhayakumar, and Claribel Murillo Solano PloS one 2016 (9) e0163137 Similar articles in PubMed
Non-falciparum malaria in Dakar: a confirmed case of Plasmodium ovale wallikeri infection. Mamadou A Diallo, Aida S Badiane, Khadim Diongue, Awa Deme, Naomi W Lucchi, Marie Gaye, Tolla Ndiaye, Mouhamadou Ndiaye, Louise K Sene, Abdoulaye Diop, Amy Gaye, Yaye D Ndiaye, Diama Samb, Mamadou S Yade, Omar Ndir, Venkatachalam Udhayakumar, and Daouda Ndiaye Malaria journal 2016 15(1) 429 Similar articles in PubMed
Prevalence of pfhrp2 and/or pfhrp3 Gene Deletion in Plasmodium falciparum Population in Eight Highly Endemic States in India. Praveen Kumar Bharti, Himanshu Singh Chandel, Amreen Ahmad, Sri Krishna, Venkatachalam Udhayakumar, and Neeru Singh PloS one 11(8) e0157949 Similar articles in PubMed
Plasmodium falciparum Drug-Resistant Haplotypes and Population Structure in Postearthquake Haiti, 2010. Lindsay Carol Morton, Curtis Huber, Sheila Akinyi Okoth, Sean Griffing, Naomi Lucchi, Dragan Ljolje, Jacques Boncy, Roland Oscar, David Townes, Meredith McMorrow, Michelle A Chang, Venkatachalam Udhayakumar, and John W Barnwell The American journal of tropical medicine and hygiene 2016 Jul Similar articles in PubMed
Plasmodium vivax malaria recurrence after radical treatment with chloroquine-primaquine standard regimen in Turbo, Colombia: Results from a prospective study. Lina Zuluaga-Idárraga, Silvia Blair, Sheila Akinyi Okoth, Venkatachalam Udhayakumar, Paula L Marcet, Ananias A Escalante, Neal Alexander, and Carlos Rojas Antimicrobial agents and chemotherapy 2016 May Similar articles in PubMed
Use of Malachite Green-Loop Mediated Isothermal Amplification for Detection of Plasmodium spp. Parasites. Naomi W Lucchi, Dragan Ljolje, Luciana Silva-Flannery, and Venkatachalam Udhayakumar PloS one 2016 (3) e0151437 Similar articles in PubMed
Independent Emergence of the Plasmodium Falciparum Kelch Propeller Domain Mutant Allele C580Y in Guyana. Stella M Chenet, Sheila Akinyi Okoth, Curtis S Huber, Javin Chandrabose, Naomi W Lucchi, Eldin Talundzic, Karanchand Krishnalall, Nicolas Ceron, Lise Musset, Alexandre Macedo de Oliveira, Meera Venkatesan, Reyaud Rahman, John W Barnwell, and Venkatachalam Udhayakumar The Journal of infectious diseases 2015 Dec Similar articles in PubMed
Clonal population expansion in an outbreak of Plasmodium falciparum on the northwest coast of Ecuador. Fabián E Sáenz, Lindsay C Morton, Sheila Akinyi Okoth, Gabriela Valenzuela, Claudia A Vera-Arias, Eileen Vélez-Álvarez, Naomi W Lucchi, L Enrique Castro, and Venkatachalam Udhayakumar Malaria journal 2014 13 Suppl 1497 Similar articles in PubMed
Molecular Investigation into a Malaria Outbreak in Cusco, Peru: Plasmodium falciparum BV1 Lineage is Linked to a Second Outbreak in Recent Times. Sheila Akinyi Okoth, Stella M Chenet, Nancy Arrospide, Sonia Gutierrez, Cesar Cabezas, Jose Antonio Matta, and Venkatachalam Udhayakumar The American journal of tropical medicine and hygiene 2015 Oct Similar articles in PubMed
In vitro and molecular surveillance for antimalarial drug resistance in Plasmodium falciparum parasites in western Kenya reveals sustained artemisinin sensitivity and increased chloroquine sensitivity. Naomi W Lucchi, Franklin Komino, Sheila Akinyi Okoth, Ira Goldman, Philip Onyona, Ryan E Wiegand, Elizabeth Juma, Ya Ping Shi, John W Barnwell, Venkatachalam Udhayakumar, and Simon Kariuki Antimicrob. Agents Chemother. 2015 Sep 21. Similar articles in PubMed
Genetic Analysis and Species Specific Amplification of the Artemisinin Resistance-Associated Kelch Propeller Domain in P. falciparum and P. vivax. Eldin Talundzic, Stella M Chenet, Ira F Goldman, Dhruviben S Patel, Julia A Nelson, Mateusz M Plucinski, John W Barnwell, and Venkatachalam Udhayakumar PloS one 2015 (8) e0136099 Similar articles in PubMed
Robust Algorithm for Systematic Classification of Malaria Late Treatment Failures as Recrudescence or Reinfection using Microsatellite Genotyping. Mateusz M Plucinski, Lindsay Morton, Mary Bushman, Pedro Rafael Dimbu, and Venkatachalam Udhayakumar Antimicrob. Agents Chemother. 2015 Jul 20. Similar articles in PubMed
Deletion of Plasmodium falciparum Histidine-Rich Protein 2 (pfhrp2) and Histidine-Rich Protein 3 (pfhrp3) Genes in Colombian Parasites. Claribel Murillo Solano, Sheila Akinyi Okoth, Joseph F Abdallah, Zuleima Pava, Erika Dorado, Sandra Incardona, Curtis S Huber, Alexandre Macedo de Oliveira, David Bell, Venkatachalam Udhayakumar, and John W Barnwell PLoS ONE 2015 (7) e0131576 Similar articles in PubMed
Variation in Plasmodium falciparum Histidine-Rich Protein 2 (Pfhrp2) and Plasmodium falciparum Histidine-Rich Protein 3 (Pfhrp3) Gene Deletions in Guyana and Suriname. Sheila Akinyi Okoth, Joseph F Abdallah, Nicolas Ceron, Malti R Adhin, Javin Chandrabose, Karanchand Krishnalall, Curtis S Huber, Ira F Goldman, Alexandre Macedo de Oliveira, John W Barnwell, and Venkatachalam Udhayakumar PloS one 2015 (5) e0126805 Similar articles in PubMed
Molecular Epidemiology of Plasmodium falciparum Malaria Outbreak, Tumbes, Peru, 2010-2012. G Christian Baldeviano, Sheila Akinyi Okoth, Nancy Arrospide, Rommell V Gonzalez, Juan F Sánchez, Silvia Macedo, Silvia Conde, L Lorena Tapia, Carola Salas, Dionicia Gamboa, Yeni Herrera, Kimberly A Edgel, Venkatachalam Udhayakumar, and Andrés G Lescano Emerging Infect. Dis. 2015 May 21(5) 797-803 Similar articles in PubMed
Increasing Prevalence of a Novel Triple-Mutant Dihydropteroate Synthase Genotype in Plasmodium falciparum in Western Kenya. Naomi W Lucchi, Sheila Akinyi Okoth, Franklin Komino, Philip Onyona, Ira F Goldman, Dragan Ljolje, Ya Ping Shi, John W Barnwell, Venkatachalam Udhayakumar, and Simon Kariuki Antimicrob. Agents Chemother. 2015 Jul 59(7) 3995-4002 Similar articles in PubMed
Quality assurance of malaria rapid diagnostic tests used for routine patient care in rural Tanzania: microscopy versus real-time polymerase chain reaction. Irene M Masanja, Meredith L McMorrow, Mussa B Maganga, Debora Sumari, Venkatachalam Udhayakumar, Peter D McElroy, S Patrick Kachur, and Naomi W Lucchi Malar. J. 2015 1485 Similar articles in PubMed
Selection and spread of artemisinin-resistant alleles in Thailand prior to the global artemisinin resistance containment campaign. Eldin Talundzic, Sheila Akinyi Okoth, Kanungnit Congpuong, Mateusz M Plucinski, Lindsay Morton, Ira F Goldman, Patrick S Kachur, Chansuda Wongsrichanalai, Wichai Satimai, John W Barnwell, and Venkatachalam Udhayakumar PLoS Pathog. 2015 Apr 11(4) e1004789 Similar articles in PubMed
Prevalence of pfhrp2 and pfhrp3 gene deletions in Puerto Lempira, Honduras. Joseph F Abdallah, Sheila Akinyi Okoth, Gustavo A Fontecha, Rosa Elena Mejia Torres, Engels I Banegas, María Luisa Matute, Sandra Tamara Mancero Bucheli, Ira F Goldman, Alexandre Macedo de Oliveira, John W Barnwell, and Venkatachalam Udhayakumar Malar. J. 2015 1419 Similar articles in PubMed
The geography of malaria genetics in the Democratic Republic of Congo: A complex and fragmented landscape. Margaret Carrel, Jaymin Patel, Steve M Taylor, Mark Janko, Melchior Kashamuka Mwandagalirwa, Antoinette K Tshefu, Ananias A Escalante, Andrea McCollum, Md Tauqeer Alam, Venkatachalam Udhayakumar, Steven Meshnick, and Michael Emch Soc Sci Med 2015 May 133233-41 Similar articles in PubMed
Genetic Evidence of Importation of Drug-Resistant Plasmodium falciparum to Guatemala from the Democratic Republic of the Congo. Jaymin C Patel, Steve M Taylor, Patricia C Juliao, Christian M Parobek, Mark Janko, Luis Demetrio Gonzalez, Lucia Ortiz, Norma Padilla, Antoinette K Tshefu, Michael Emch, Venkatachalam Udhayakumar, Kim Lindblade, and Steven R Meshnick Emerging Infect. Dis. 2014 Jun 20(6) 932-40 Similar articles in PubMed
Molecular analysis of chloroquine and sulfadoxine-pyrimethamine resistance-associated alleles in Plasmodium falciparum isolates from Nicaragua. Sankar Sridaran, Betzabe Rodriguez, Aida Mercedes Soto, Alexandre Macedo de Oliveira, and Venkatachalam Udhayakumar Am. J. Trop. Med. Hyg. 2014 May 90(5) 840-5 Similar articles in PubMed
Genetic variation and recurrent parasitaemia in Peruvian Plasmodium vivax populations. Andrea M McCollum, Valeria Soberon, Carola J Salas, Meddly L Santolalla, Venkatachalam Udhayakumar, Ananias A Escalante, Paul C F Graf, Salomon Durand, Cesar Cabezas, and David J Bacon Malar. J. 2014 1367 Similar articles in PubMed
Historical shifts in Brazilian P. falciparum population structure and drug resistance alleles. Sean M Griffing, Giselle M Rachid Viana, Tonya Mixson-Hayden, Sankar Sridaran, Mohammad Tauqeer Alam, Alexandre Macedo de Oliveira, John W Barnwell, Ananias A Escalante, Marinete Marins Povoa, and Venkatachalam Udhayakumar PLoS ONE 2013 8(3) e58984 Similar articles in PubMed
Genetic variation in the Plasmodium falciparum circumsporozoite protein in India and its relevance to RTS,S malaria vaccine. Mohammad Zeeshan, Mohammad Tauqeer Alam, Sumiti Vinayak, Hema Bora, Rupesh Kumar Tyagi, Mohd Shoeb Alam, Vandana Choudhary, Pooja Mittra, Vanshika Lumb, Praveen Kumar Bharti, Venkatachalam Udhayakumar, Neeru Singh, Vidhan Jain, Pushpendra Pal Singh, and Yagya Dutta Sharma PLoS ONE 2012 7(8) e43430 Similar articles in PubMed
A new single-step PCR assay for the detection of the zoonotic malaria parasite Plasmodium knowlesi. Naomi W Lucchi, Mitra Poorak, Jenna Oberstaller, Jeremy DeBarry, Ganesh Srinivasamoorthy, Ira Goldman, Maniphet Xayavong, Alexandre J da Silva, David S Peterson, John W Barnwell, Jessica Kissinger, and Venkatachalam Udhayakumar PLoS ONE 2012 7(2) e31848 Similar articles in PubMed
Genetic backgrounds of the Plasmodium falciparum chloroquine resistant transporter (pfcrt) alleles in Pakistan. Wasiq Faraz Rawasia, Sankar Sridaran, Jaymin C Patel, Joseph Abdallah, Najia Karim Ghanchi, John W Barnwell, Ananias A Escalante, Venkatachalam Udhayakumar, and Mohammad Asim Beg Infect. Genet. Evol. 2012 Mar 12(2) 278-81 Similar articles in PubMed
Variants in ABCB1, TGFB1, and XRCC1 genes and susceptibility to viral hepatitis A infection in Mexican Americans. Lyna Zhang, Ajay Yesupriya, Dale J Hu, Man-Huei Chang, Nicole F Dowling, Renée M Ned, Venkatachalam Udhayakumar, Mary Lou Lindegren, and Yury Khudyakov Hepatology 2012 Apr 55(4) 1008-18 Similar articles in PubMed
South American Plasmodium falciparum after the malaria eradication era: clonal population expansion and survival of the fittest hybrids. Sean M Griffing, Tonya Mixson-Hayden, Sankar Sridaran, Md Tauqeer Alam, Andrea M McCollum, César Cabezas, Wilmer Marquiño Quezada, John W Barnwell, Alexandre Macedo de Oliveira, Carmen Lucas, Nancy Arrospide, Ananias A Escalante, David J Bacon, and Venkatachalam Udhayakumar PLoS ONE 2011 6(9) e23486 Similar articles in PubMed
Applied genomics: data mining reveals species-specific malaria diagnostic targets more sensitive than 18S rRNA. Allison Demas, Jenna Oberstaller, Jeremy DeBarry, Naomi W Lucchi, Ganesh Srinivasamoorthy, Deborah Sumari, Abdunoor M Kabanywanyi, Leopoldo Villegas, Ananias A Escalante, S Patrick Kachur, John W Barnwell, David S Peterson, Venkatachalam Udhayakumar, and Jessica C Kissinger J. Clin. Microbiol. 2011 Jul 49(7) 2411-8 Similar articles in PubMed
CXCL4 and CXCL10 predict risk of fatal cerebral malaria. Nana O Wilson, Vidhan Jain, Christina E Roberts, Naomi Lucchi, Pradeep K Joel, Mrigendra P Singh, Avinash C Nagpal, Aditya P Dash, Venkatachalam Udhayakumar, Neeru Singh, and Jonathan K Stiles Dis. Markers 2011 30(1) 39-49 Similar articles in PubMed