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Author Marie Desnos Ollivier

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The genus Madurella: Molecular identification and epidemiology in Sudan.

Elhadi A Ahmed, Bakri Y M Nour, Adam D Abakar, Samirah Hamid, Ahmed A Mohamadani, Mohamed Daffalla, Mogahid Mahmoud, Hisham N Eltayb, Marie Desnos-Ollivier, Sybren de Hoog, Sarah A Ahmed,

Eumycetoma (mycotic mycetoma) is the fungal form of mycetoma, a subcutaneous infection occurring in individuals living in endemic areas of the disease. The Sudan is hyperendemic for mycetoma, with the highest incidence being reported from Gezira State, Central Sudan. The present study was conducted at the Gezira Mycetoma Center and ... Read more >>

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2020, 14(7):e0008420]

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Central nervous system candidiasis beyond neonates: Lessons from a nationwide study.

Hélène Chaussade, Xavier Cazals, Guillaume Desoubeaux, Gregory Jouvion, Marie-Elisabeth Bougnoux, Agnes Lefort, Claire Rivoisy, Marie Desnos-Ollivier, Fabrice Chretien, Taieb Chouaki, Bérengère Gruson, Louis Bernard, Olivier Lortholary, Fanny Lanternier, ,

Though candidiasis is the most frequent invasive fungal infection, Candida spp. central nervous system (CNS) infections are rare but severe. To further describe clinico-patho-radiological presentations of this entity, we report a retrospective study from January 2005 to December 2018 including patients aged ≥ 28 days with proven or probable CNS candidiasis in ... Read more >>

Med. Mycol. (Medical mycology)
[2020, :]

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Epidemiological investigation for grouped cases of Trichosporon asahii using whole genome and IGS1 sequencing.

Marie Desnos-Ollivier, Corinne Maufrais, Marc Pihet, Christine Aznar, Françoise Dromer, ,

BACKGROUND:Trichosporonosis is a rare invasive infection in humans mainly due to Trichosporon asahii, and especially recovered from patients having haematological malignancy. Since 2012, IGS1 region sequencing is used as a genotyping method to distinguish isolates, with high frequency of one haplotype worldwide and a geographic specificity for some haplotypes. OBJECTIVES:We ... Read more >>

Mycoses (Mycoses)
[2020, :]

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Tracing the Evolutionary History and Global Expansion of Candida auris Using Population Genomic Analyses.

Nancy A Chow, José F Muñoz, Lalitha Gade, Elizabeth L Berkow, Xiao Li, Rory M Welsh, Kaitlin Forsberg, Shawn R Lockhart, Rodney Adam, Alexandre Alanio, Ana Alastruey-Izquierdo, Sahar Althawadi, Ana Belén Araúz, Ronen Ben-Ami, Amrita Bharat, Belinda Calvo, Marie Desnos-Ollivier, Patricia Escandón, Dianne Gardam, Revathi Gunturu, Christopher H Heath, Oliver Kurzai, Ronny Martin, Anastasia P Litvintseva, Christina A Cuomo,

Candida auris has emerged globally as a multidrug-resistant yeast that can spread via nosocomial transmission. An initial phylogenetic study of isolates from Japan, India, Pakistan, South Africa, and Venezuela revealed four populations (clades I, II, III, and IV) corresponding to these geographic regions. Since this description, C. auris has been ... Read more >>

mBio (mBio)
[2020, 11(2):]

Cited: 2 times

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Yarrowia lipolytica causes sporadic cases and local outbreaks of infections and colonisation.

Marie Desnos-Ollivier, Valerie Letscher-Bru, Cecile Neuvéglise, Francoise Dromer,

BACKGROUND:Yarrowia lipolytica belongs to the normal human microbiota but is also found in substrates with high contents in lipids and used in biotechnological processes. It is sometimes reported as human pathogen and especially in catheter-related candidaemia. OBJECTIVES:Two apparently grouped cases of infections and/or contamination were reported involving 3 and 9 ... Read more >>

Mycoses (Mycoses)
[2020, 63(7):737-745]

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Madurella real-time PCR, a novel approach for eumycetoma diagnosis.

Amir Arastehfar, Wilson Lim, Farnaz Daneshnia, Wendy W J van de Sande, Ahmed H Fahal, Marie Desnos-Ollivier, Gerrit S de Hoog, Teun Boekhout, Sarah A Ahmed,

The genus Madurella comprising four species, M. fahalii, M. mycetomatis, M. pseudomycetomatis, and M. tropicana, represents the prevalent cause of eumycetoma worldwide. The four species are phenotypically similar and cause an invariable clinical picture, but differ markedly in their susceptibility to antifungal drugs, and epidemiological pattern. Therefore, specific identification is ... Read more >>

PLoS Negl Trop Dis (PLoS neglected tropical diseases)
[2020, 14(1):e0007845]

Cited: 0 times

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Tracing the evolutionary history and global expansion of Candida auris using population genomic analyses

Nancy Chow, José Muñoz, Lalitha Gade, Elizabeth Berkow, Xiao Li, Rory Welsh, Kaitlin Forsberg, Shawn Lockhart, Rodney Adam, Alexandre Alanio, Ana Alastruey-Izquierdo, Sahar Althawadi, Ana Belén Araúz, Ronen Ben-Ami, Amrita Bharat, Belinda Calvo, Marie Desnos-Ollivier, Patricia Escandón, Dianne Gardam, Revathi Gunturu, Christopher Heath, Oliver Kurzai, Ronny Martin, Anastasia Litvintseva, Christina Cuomo,

Abstract Candida auris has emerged globally as a multidrug-resistant yeast that can spread via nosocomial transmission. An initial phylogenetic study of isolates from Japan, India, Pakistan, South Africa, and Venezuela revealed four populations (Clades I, II, III, and IV) corresponding to these geographic regions. Since this description, C. auris has ... Read more >>

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Dual DNA Barcoding for the Molecular Identification of the Agents of Invasive Fungal Infections.

Minh Thuy Vi Hoang, Laszlo Irinyi, Sharon C A Chen, Tania C Sorrell, , Wieland Meyer,

Invasive fungal infections, such as aspergillosis, candidiasis, and cryptococcosis, have significantly increased among immunocompromised people. To tackle these infections the first and most decisive step is the accurate identification of the causal pathogen. Routine identification of invasive fungal infections has progressed away from culture-dependent methods toward molecular techniques, including DNA ... Read more >>

Front Microbiol (Frontiers in microbiology)
[2019, 10:1647]

Cited: 1 time

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Genotypes and population genetics of cryptococcus neoformans and cryptococcus gattii species complexes in Europe and the mediterranean area.

Massimo Cogliati, Marie Desnos-Ollivier, Ilka McCormick-Smith, Volker Rickerts, Kennio Ferreira-Paim, Wieland Meyer, Teun Boekhout, Ferry Hagen, Bart Theelen, Joäo Inácio, Beatriz Alonso, Maria F Colom, Luciana Trilles, Maria Teresa Montagna, Antonella De Donno, Serdar Susever, Cagri Ergin, Aristea Velegraki, Mohamed S Ellabib, Simona Nardoni, Cristina Macci, Laura Trovato, Ludovico Dipineto, Sevim Akcaglar, Emilija Mlinaric-Missoni, Sebastien Bertout, Ana C F Vencá, Ana C Sampaio, Giuseppe Criseo, Stéphane Ranque, Nilgün Çerikçioğlu, Anna Marchese, Luigi Vezzulli, Macit Ilkit, Vincenzo Pasquale, Itzhack Polacheck, Shawn R Lockhart,

A total of 476 European isolates (310 Cryptococcus neoformans var. grubii, 150 C. neoformans var. neoformans, and 16 C. gattii species complex) from both clinical and environmental sources were analyzed by multi-locus sequence typing. Phylogenetic and population genetic analyses were performed. Sequence analysis identified 74 sequence types among C. neoformans ... Read more >>

Fungal Genet. Biol. (Fungal genetics and biology : FG & B)
[2019, 129:16-29]

Cited: 6 times

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Database establishment for the secondary fungal DNA barcode translational elongation factor 1α (TEF1α) 1.

Wieland Meyer, Laszlo Irinyi, Minh Thuy Vi Hoang, Vincent Robert, Dea Garcia-Hermoso, Marie Desnos-Ollivier, Chompoonek Yurayart, Chi-Ching Tsang, Chun-Yi Lee, Patrick C Y Woo, Ivan Mikhailovich Pchelin, Silke Uhrlaß, Pietro Nenoff, Ariya Chindamporn, Sharon Chen, Paul D N Hebert, Tania C Sorrell, ,

With new or emerging fungal infections, human and animal fungal pathogens are a growing threat worldwide. Current diagnostic tools are slow, non-specific at the species and subspecies levels, and require specific morphological expertise to accurately identify pathogens from pure cultures. DNA barcodes are easily amplified, universal, short species-specific DNA sequences, ... Read more >>

Genome (Genome)
[2019, 62(3):160-169]

Cited: 2 times

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Population Structure of Candida parapsilosis: No Genetic Difference Between French and Uruguayan Isolates Using Microsatellite Length Polymorphism.

Marie Desnos-Ollivier, Victoria Bórmida, Philippe Poirier, Céline Nourrisson, Dinorah Pan, Stéphane Bretagne, Andrès Puime, Françoise Dromer, , ,

Candida parapsilosis is a human commensal yeast, frequently involved in infection worldwide and especially in neonates. It is the second species responsible for bloodstream infections in Uruguay and the third species in France. We were interested in knowing whether the population structure of isolates responsible for candidemia in France and ... Read more >>

Mycopathologia (Mycopathologia)
[2018, 183(2):381-390]

Cited: 2 times

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Investigating Clinical Issues by Genotyping of Medically Important Fungi: Why and How?

Alexandre Alanio, Marie Desnos-Ollivier, Dea Garcia-Hermoso, Stéphane Bretagne,

Genotyping studies of medically important fungi have addressed elucidation of outbreaks, nosocomial transmissions, infection routes, and genotype-phenotype correlations, of which secondary resistance has been most intensively investigated. Two methods have emerged because of their high discriminatory power and reproducibility: multilocus sequence typing (MLST) and microsatellite length polymorphism (MLP) using short ... Read more >>

Clin. Microbiol. Rev. (Clinical microbiology reviews)
[2017, 30(3):671-707]

Cited: 11 times

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Fundamental niche prediction of the pathogenic yeasts Cryptococcus neoformans and Cryptococcus gattii in Europe.

Massimo Cogliati, Erika Puccianti, Maria T Montagna, Antonella De Donno, Serdar Susever, Cagri Ergin, Aristea Velegraki, Mohamed S Ellabib, Simona Nardoni, Cristina Macci, Laura Trovato, Ludovico Dipineto, Volker Rickerts, Sevim Akcaglar, Emilija Mlinaric-Missoni, Sebastien Bertout, Ana C F Vencà, Ana C Sampaio, Giuseppe Criseo, Stéphane Ranque, Nilgün Çerikçioğlu, Anna Marchese, Luigi Vezzulli, Macit Ilkit, Marie Desnos-Ollivier, Vincenzo Pasquale, Itzhack Polacheck, Antonio Scopa, Wieland Meyer, Kennio Ferreira-Paim, Ferry Hagen, Teun Boekhout, Françoise Dromer, Ashok Varma, Kyung J Kwon-Chung, Joäo Inácio, Maria F Colom,

Fundamental niche prediction of Cryptococcus neoformans and Cryptococcus gattii in Europe is an important tool to understand where these pathogenic yeasts have a high probability to survive in the environment and therefore to identify the areas with high risk of infection. In this study, occurrence data for C. neoformans and ... Read more >>

Environ. Microbiol. (Environmental microbiology)
[2017, 19(10):4318-4325]

Cited: 9 times

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Predisposing factors and outcome of uncommon yeast species-related fungaemia based on an exhaustive surveillance programme (2002-14).

Stéphane Bretagne, Charlotte Renaudat, Marie Desnos-Ollivier, Karine Sitbon, Olivier Lortholary, Françoise Dromer, ,

Using registry data to compare fungaemia caused by uncommon yeast species (UYS; i.e. other than Candida albicans , Candida glabrata , Candida parapsilosis , Candida tropicalis and Candida krusei ) and C. albicans -related fungaemia can reveal specific predisposing factors of UYS with potential impact on treatment strategies.We analysed 338 ... Read more >>

J. Antimicrob. Chemother. (The Journal of antimicrobial chemotherapy)
[2017, 72(6):1784-1793]

Cited: 11 times

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Rearranged Biosynthetic Gene Cluster and Synthesis of Hassallidin E in Planktothrix serta PCC 8927.

Claire Pancrace, Jouni Jokela, Nathalie Sassoon, Christelle Ganneau, Marie Desnos-Ollivier, Matti Wahlsten, Anu Humisto, Alexandra Calteau, Sylvie Bay, David P Fewer, Kaarina Sivonen, Muriel Gugger,

Cyanobacteria produce a wide range of natural products with antifungal bioactivity. The cyclic glycosylated lipopeptides of the hassallidin family have potent antifungal activity and display a great degree of chemical diversity. Here, we report the discovery of a hassallidin biosynthetic gene cluster from the filamentous cyanobacterium Planktothrix serta PCC 8927. ... Read more >>

ACS Chem. Biol. (ACS chemical biology)
[2017, 12(7):1796-1804]

Cited: 4 times

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Diversity of Pneumocystis jirovecii Across Europe: A Multicentre Observational Study.

Alexandre Alanio, Maud Gits-Muselli, Nicolas Guigue, Marie Desnos-Ollivier, Enrique J Calderon, David Di Cave, Damien Dupont, Axel Hamprecht, Philippe M Hauser, Jannik Helweg-Larsen, Marta Kicia, Katrien Lagrou, Martina Lengerova, Olga Matos, Willem J G Melchers, Florent Morio, Gilles Nevez, Anne Totet, Lewis P White, Stéphane Bretagne,

Pneumocystis jirovecii is an airborne human-specific ascomycetous fungus responsible for Pneumocystis pneumonia (PCP) in immunocompromised patients, affecting >500,000 patients per year (www.gaffi.org). The understanding of its epidemiology is limited by the lack of standardised culture. Recent genotyping data suggests a limited genetic diversity of P. jirovecii. The objective of the ... Read more >>

EBioMedicine (EBioMedicine)
[2017, 22:155-163]

Cited: 4 times

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The risk and clinical outcome of candidemia depending on underlying malignancy.

Olivier Lortholary, Charlotte Renaudat, Karine Sitbon, Marie Desnos-Ollivier, Stéphane Bretagne, Françoise Dromer, ,

To assess the risk factors and outcomes associated with fungemia caused by the six most commonly occurring Candida species in patients with and without malignancies.Analysis of the episodes of fungemia due to common Candida species in adults, based on an active hospital-based surveillance program (Paris area, France, 2002 to 2014).Of ... Read more >>

Intensive Care Med (Intensive care medicine)
[2017, 43(5):652-662]

Cited: 14 times

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Fluconazole and Echinocandin Resistance of Candida glabrata Correlates Better with Antifungal Drug Exposure Rather than with MSH2 Mutator Genotype in a French Cohort of Patients Harboring Low Rates of Resistance.

Sarah Dellière, Kelley Healey, Maud Gits-Muselli, Bastien Carrara, Alessandro Barbaro, Nicolas Guigue, Christophe Lecefel, Sophie Touratier, Marie Desnos-Ollivier, David S Perlin, Stéphane Bretagne, Alexandre Alanio,

Candida glabrata is a major pathogenic yeast in humans that is known to rapidly acquire resistance to triazole and echinocandin antifungal drugs. A mutator genotype (MSH2 polymorphism) inducing a mismatch repair defect has been recently proposed to be responsible for resistance acquisition in C. glabrata clinical isolates. Our objectives were ... Read more >>

Front Microbiol (Frontiers in Microbiology)
[2016, 7:2038]

Cited: 28 times

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Recurrent episodes of Candidemia due to Candida glabrata, Candida tropicalis and Candida albicans with acquired echinocandin resistance.

Marine Grosset, Marie Desnos-Ollivier, Cendrine Godet, Catherine Kauffmann-Lacroix, France Cazenave-Roblot,

Mixed fungal infection and acquired echinocandin resistance of Candida spp. remain infrequent. In this study we have reported the case of a patient hospitalized for tuberculosis who experienced multiple infections due to three common Candida species (C. albicans, C. glabrata, C. tropicalis). Furthermore, consecutive isolates from blood cultures and heart ... Read more >>

Med Mycol Case Rep (Medical mycology case reports)
[2016, 14:20-23]

Cited: 6 times

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Environmental distribution of Cryptococcus neoformans and C. gattii around the Mediterranean basin.

Massimo Cogliati, Roberta D'Amicis, Alberto Zani, Maria Teresa Montagna, Giuseppina Caggiano, Osvalda De Giglio, Stella Balbino, Antonella De Donno, Francesca Serio, Serdar Susever, Cagri Ergin, Aristea Velegraki, Mohamed S Ellabib, Simona Nardoni, Cristina Macci, Salvatore Oliveri, Laura Trovato, Ludovico Dipineto, Volker Rickerts, Ilka McCormick-Smith, Sevim Akcaglar, Okan Tore, Emilija Mlinaric-Missoni, Sebastien Bertout, Michele Mallié, Maria da Luz Martins, Ana C F Vencà, Maria L Vieira, Ana C Sampaio, Cheila Pereira, Giuseppe Criseo, Orazio Romeo, Stéphane Ranque, Mohammed H Y Al-Yasiri, Meltem Kaya, Nilgun Cerikcioglu, Anna Marchese, Luigi Vezzulli, Macit Ilkit, Marie Desnos-Ollivier, Vincenzo Pasquale, Maya Korem, Itzhack Polacheck, Antonio Scopa, Wieland Meyer, Kennio Ferreira-Paim, Ferry Hagen, Bart Theelen, Teun Boekhout, Shawn R Lockhart, Kathrin Tintelnot, Anna Maria Tortorano, Françoise Dromer, Ashok Varma, Kyung J Kwon-Chung, Joäo Inácio, Beatriz Alonso, Maria F Colom,

FEMS Yeast Res. (FEMS yeast research)
[2016, 16(7):]

Cited: 0 times

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Environmental distribution of Cryptococcus neoformans and C. gattii around the Mediterranean basin.

Massimo Cogliati, Roberta D'Amicis, Alberto Zani, Maria Teresa Montagna, Giuseppina Caggiano, Osvalda De Giglio, Stella Balbino, Antonella De Donno, Francesca Serio, Serdar Susever, Cagri Ergin, Aristea Velegraki, Mohamed S Ellabib, Simona Nardoni, Cristina Macci, Salvatore Oliveri, Laura Trovato, Ludovico Dipineto, Volker Rickerts, Ilka McCormick-Smith, Sevim Akcaglar, Okan Tore, Emilija Mlinaric-Missoni, Sebastien Bertout, Michele Mallié, Maria da Luz Martins, Ana C F Vencà, Maria L Vieira, Ana C Sampaio, Cheila Pereira, Giuseppe Criseo, Orazio Romeo, Stéphane Ranque, Mohammed H Y Al-Yasiri, Meltem Kaya, Nilgun Cerikcioglu, Anna Marchese, Luigi Vezzulli, Macit Ilkit, Marie Desnos-Ollivier, Vincenzo Pasquale, Maya Korem, Itzhack Polacheck, Antonio Scopa, Wieland Meyer, Kennio Ferreira-Paim, Ferry Hagen, Bart Theelen, Teun Boekhout, Shawn R Lockhart, Kathrin Tintelnot, Anna Maria Tortorano, Françoise Dromer, Ashok Varma, Kyung J Kwon-Chung, Joäo Inácio, Beatriz Alonso, Maria F Colom,

In order to elucidate the distribution of Cryptococcus neoformans and C. gattii in the Mediterranean basin, an extensive environmental survey was carried out during 2012-2015. A total of 302 sites located in 12 countries were sampled, 6436 samples from 3765 trees were collected and 5% of trees were found to ... Read more >>

FEMS Yeast Res. (FEMS yeast research)
[2016, 16(4):]

Cited: 13 times

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Novel Taxa Associated with Human Fungal Black-Grain Mycetomas: Emarellia grisea gen. nov., sp. nov., and Emarellia paragrisea sp. nov.

Andrew M Borman, Marie Desnos-Ollivier, Colin K Campbell, Paul D Bridge, Eric Dannaoui, Elizabeth M Johnson,

Eumycetoma is a debilitating, chronic, fungal infection that is endemic in India, Indonesia, and parts of Africa and South and Central America. It remains a neglected tropical disease in need of international recognition. Infections follow traumatic implantation of saprophytic fungi and frequently require radical surgery or amputation in the absence ... Read more >>

J. Clin. Microbiol. (Journal of clinical microbiology)
[2016, 54(7):1738-1745]

Cited: 11 times

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Multilocus sequence typing analysis reveals that Cryptococcus neoformans var. neoformans is a recombinant population.

Massimo Cogliati, Alberto Zani, Volker Rickerts, Ilka McCormick, Marie Desnos-Ollivier, Aristea Velegraki, Patricia Escandon, Tomoe Ichikawa, Reiko Ikeda, Anne-Lise Bienvenu, Kathrin Tintelnot, Okan Tore, Sevim Akcaglar, Shawn Lockhart, Anna Maria Tortorano, Ashok Varma,

Cryptococcus neoformans var. neoformans (serotype D) represents about 30% of the clinical isolates in Europe and is present less frequently in the other continents. It is the prevalent etiological agent in primary cutaneous cryptococcosis as well as in cryptococcal skin lesions of disseminated cryptococcosis. Very little is known about the ... Read more >>

Fungal Genet. Biol. (Fungal genetics and biology : FG & B)
[2016, 87:22-29]

Cited: 9 times

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Typing Candida Species Using Microsatellite Length Polymorphism and Multilocus Sequence Typing.

Dea Garcia-Hermoso, Marie Desnos-Ollivier, Stéphane Bretagne,

To gain more insight into the epidemiological relationships between isolates of Candida spp. obtained from various origins, several molecular typing techniques have been developed. Two methods have emerged in the 2000s as soon as enough knowledge of the Candida spp. genomes was available to choose adequate loci and primers, namely ... Read more >>

Methods Mol. Biol. (Methods in molecular biology (Clifton, N.J.))
[2016, 1356:199-214]

Cited: 5 times

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Application of Isothermal Amplification Techniques for Identification of Madurella mycetomatis, the Prevalent Agent of Human Mycetoma.

Sarah A Ahmed, Wendy W J van de Sande, Marie Desnos-Ollivier, Ahmed H Fahal, Najwa A Mhmoud, G S de Hoog,

Appropriate diagnosis and treatment of eumycetoma may vary significantly depending on the causative agent. To date, the most common fungus causing mycetoma worldwide is Madurella mycetomatis. This species fails to express any recognizable morphological characteristics, and reliable identification can therefore only be achieved with the application of molecular techniques. Recombinase ... Read more >>

J. Clin. Microbiol. (Journal of clinical microbiology)
[2015, 53(10):3280-3285]

Cited: 15 times

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