Research Topics
| Thangam MenonSummaryCountry: India Publications
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Publications
Biotypes of group A streptococci isolated from childrenM Palani Kumar
Department of Microbiology, Dr ALM PGIBMS, University of Madras, Taramani, Chennai-600 113, India
J Med Microbiol 53:229-30. 2004..Biotype 10 was observed most frequently among clinical isolates and biotypes 3 and 4 were most common among carrier isolates...
vir types of Streptococcus pyogenes in Chennai, South IndiaCharmaine Lloyd
J Med Microbiol 57:1176-7. 2008
Occurrence of group C Streptococci in children in a South Indian villageThangam Menon
Department of Microbiology, Dr ALM PGIBMS, University of Madras, Taramani, Chennai
Indian J Pathol Microbiol 46:528-9. 2003..Four out of 13 strains were identified as S. equisimilis...
Group A streptococcal infections of the pharynx in a rural population in south IndiaThangam Menon
Department of Microbiology, Dr ALM PGIBMS, University of Madras, Chennai, India
Indian J Med Res 119:171-3. 2004..The aim of this study was to screen children in a rural community in south India for throat carriage of group A streptococci and to clinically assess them for signs of rheumatic heart disease...
Infective endocarditis due to Acinetobacter baumannii complex--a case reportThangam Menon
Department of Microbiology, Dr A L Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai 600113
Indian J Pathol Microbiol 49:576-8. 2006..Patient was initially treated with Ceftraixone and Gentamicin and subsequently with Ampicillin and Amikacin but did not respond to treatment and died of sepsis before therapy with Imipenem could be started...
Cutaneous zygomycosis due to Rhizopus oryzae in a patient with acute lymphoblastic leukemiaT Sundararajan
Department of Microbiology, Dr ALM Postgraduate Institute of Basic Medical Sciences, University of Madras, Chennai, India
Mycoses 47:521-3. 2004..The diagnosis was based on observation of hyphal elements in cutaneous biopsy and isolation of the fungus in culture. The patient responded to surgical intervention and treatment with amphotericin B...
Comparison of double disc and three dimensional methods to screen for ESBL producers in a tertiary care hospitalT Menon
Department of Microbiology, Dr AL Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai 600 113, India
Indian J Med Microbiol 24:117-20. 2006..TDTs were found to be better than DDS in the detection of ESBLs. Continued monitoring of drug resistance is necessary in clinical settings for proper disease management...
Carriage of Candida species in oral cavities of HIV infected patients in South IndiaC P Girish Kumar
Department of Microbiology, Dr A L Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, Tamil Nadu, India
Mycoses 52:44-8. 2009..25S rDNA PCR analysis of C. albicans revealed preponderance of genotype A strains. Interestingly, 42.6% of rinse specimens grew multiple Candida species, with the combination of C. albicans and C. krusei (39.1%) being the most frequent...
Esterase activity of Candida species isolated from immunocompromised hostsChethrapilly Purushothaman Girish Kumar
Department of Microbiology, Dr. A. L. Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, India
Rev Iberoam Micol 23:101-3. 2006..The remaining Candida species did not produce a positive test response. These findings indicate that Tween 80 opacity test cannot be used as the sole phenotypic trait in the differentiation of C. albicans and C. dubliniensis...
Antifungal susceptibility testing of Candida tropicalis biofilms against fluconazole using calorimetric indicator resazurinP M Punithavathy
Department of Microbiology, Dr A L Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, India
Indian J Pathol Microbiol 55:72-4. 2012..Phenotypic characteristics of sessile cells in biofilms are known to be different from those of their free-living, planktonic counterparts. Biofilm forming strains often show increased resistance to antimicrobial agents...
Rapid discrimination between strains of beta haemolytic streptococci by intact cell mass spectrometryM Palani Kumar
Department of Microbiology, Dr ALM Postgraduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, India
Indian J Med Res 119:283-8. 2004..INTERPRETATION & CONCLUSION: MALDI-TOF-MS may be a potential tool in discriminating between strains of beta haemolytic streptococci, and also in the characterisation of untypable strains of group A streptococci...
Antibiotic resistant beta-hemolytic streptococciCharmaine A C Lloyd
Dr A L Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Chennai, India
Indian J Pediatr 74:1077-80. 2007..An antibiotic-sensitivity study was conducted on 117 strains of group A streptococcus (GAS), 60 strains of group G streptococcus (GGS) and 20 strains of group C streptococcus (GCS) in order to understand current resistance trends...
Molecular analysis and susceptibility profiling of Candida albicans isolates from immunocompromised patients in South IndiaC P Girish Kumar
Department of Microbiology, Dr. AL Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, TN, India
Mycopathologia 161:153-9. 2006..6%), fluconazole (3.6%), itraconazole (7.3%) and voriconazole (5.5%) was observed. No association was seen between antifungal resistance and genotype/serotype status...
Use of CHROMagar in the differentiation of common species of CandidaV G Sivakumar
Department of Microbiology, Dr A L Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Chennai, India
Mycopathologia 167:47-9. 2009..Occasional strains of C. tropicalis produced colonies with a greenish tinge making it difficult to differentiate from C. albicans...
Phospholipase and proteinase activities of clinical isolates of Candida from immunocompromised patientsC P Girish Kumar
Department of Microbiology, Dr ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, 600 113, India
Mycopathologia 161:213-8. 2006..1% Sap activity. In contrast, non-C. albicans species demonstrated only 29.6% PL and 70.3% Sap activity, indicating interplay of other virulence determinants in these yeasts in colonization and disease...
Biofilm production by clinical isolates of Candida speciesC P Girish Kumar
Department of Microbiology, Dr. A. L. Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, India
Med Mycol 44:99-101. 2006..3%) blood stream' isolates and 18 of the 22 (81.8%) oral isolates were biofilm producers. Biofilm producing blood stream isolates were significantly more among non-C. albicans Candida (93.1%) in comparison to C. albicans (42.9%)...
Tobacco agar: a new medium for chlamydosporulation in Candida albicans and Candida dubliniensisC P Girish Kumar
Department of Microbiology Dr A. L. Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chennai, India
Med Mycol 43:473-5. 2005..All the strains of C. dubliniensis and 96% of isolates of C. albicans tested produced chlamydospores after 24 h incubation on tobacco agar, whereas none of the other seven species produced chlamydospores...
Environmental isolation of Cryptococcus neoformans and Cryptococcus gattii from living trees in Guindy National Park, Chennai, South IndiaC P Girish Kumar
Department of Microbiology, Dr A L Mudaliar Post Graduate Institute of Basic Medical Sciences, University of Madras, Chennai, India
Mycoses 53:262-4. 2010..neoformans varieties in these tree species anywhere in the world. The isolation of C. gattii from Syzygium cumini represents the first isolation from South India...
Pharyngeal carriage of group A streptococci in school children in ChennaiCharmaine A C Lloyd
Department of Microbiology, Dr A L Mudaliar Post Graduate Institute of Basic Medical Sciences Chennai, India
Indian J Med Res 124:195-8. 2006..INTERPRETATION & CONCLUSION: The high carriage rate of beta haemolytic streptococci seen in children poses a threat to the community and should be checked. Regular screening needs to be done in various parts of the country...
Candidosis in children with onco-hematological diseases in Chennai, south IndiaChethrapilly Purushothaman Girish Kumar
Department of Microbiology, Dr ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Chennai, India
Jpn J Infect Dis 58:218-21. 2005..2% (5/29) resistance to fluconazole. This study reinforces the need for the systematic surveillance of candidosis for the correct management of such life-threatening infections...
Isolation, distribution and prevalence of various species of enterococci isolated from clinical specimens in a tertiary care hospitalN Anbumani
Department of Microbiology, Sri Ramachandra Medical College and Research Institute Deemed University, Porur, Chennai
Indian J Pathol Microbiol 48:534-7. 2005..faecalis (79.79%), and E. faecium (11.11%) predominating. E. hirae (3.03%), E. gallinarum (3.03%), and E. casseliflavus (3.03%), were the other members of Enterococcus species identified...
Bactericidal activity of different types of honey against clinical and environmental isolates of Pseudomonas aeruginosaVenkatachalam Mullai
Department of Microbiology, Dr ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani, Chen nai, India
J Altern Complement Med 13:439-41. 2007..In this study, we have assessed the antibacterial activity of different types of honey (manuka honey from Australia, heather honey from the United Kingdom, and locally marketed Indian honey)...
Prevalence of antibodies to hepatitis A and hepatitis E virus in urban school children in ChennaiB Mohanavalli
Department of Microbiology, Dr. A.L. Mudaliar Post Graduate Institute of Basic Medical Sciences, Taramani, Chennai 600 113, India
Indian Pediatr 40:328-31. 2003..3-16.7%. The study suggests the necessity for developing a vaccine for HEV to prevent the frequent occurrence of HEV outbreaks in India, since natural HEV exposure does not bestow significant protection as observed in HAV...
speA and speC toxin genes among group A streptococcus isolates from school children in Chennai, IndiaCharmaine Lloyd
J Med Microbiol 56:1574-5. 2007
emm type diversity of beta-haemolytic streptococci recovered in Chennai, IndiaThangam Menon
J Med Microbiol 57:540-2. 2008
Pacemaker pocket infection associated with septicemia caused by Pseudomonas aeruginosaB Nandhakumar
Int J Infect Dis 12:107-8. 2008
Bacteriological etiology of impetigoMeenakshi Rajagopalan
Dept of Consultant, Microbiology, HCTVD
J Commun Dis 36:212-3. 2004
Streptobacillus moniliformis endocarditisNandhakumar Balakrishnan
Emerg Infect Dis 12:1037-8. 2006
Bartonella quintana and Coxiella burnetii as causes of endocarditis, IndiaNandhakumar Balakrishnan
Emerg Infect Dis 14:1168-9. 2008
DRS is far less divergent than streptococcal inhibitor of complement of group A streptococcusVivek Sagar
Department of Experimental Medicine and Biotechnology, PGIMER, Chandigarh, 160012 India
J Bacteriol 189:2933-5. 2007..Molecular characterization showed that the drs gene sequence is highly conserved, unlike the sic gene sequence. However, the variation in gene size observed was due to the presence of extra internal repeat sequences...
Evaluation of crystal violet impregnated filter paper strips for transport and selective isolation of beta-haemolytic streptococciB Malathy
J Med Microbiol 56:569-70. 2007
