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Charfi R, Guyonnet C, Untrau M, Giacometti G, Paper T, Poyart C, Plainvert C, Tazi A. Performances of two rapid LAMP-based techniques for the intrapartum detection of Group B Streptococcus vaginal colonization. Ann Clin Microbiol Antimicrob 2024; 23:37. [PMID: 38664821 PMCID: PMC11046945 DOI: 10.1186/s12941-024-00695-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
PURPOSE Group B Streptococcus (GBS) is the leading cause of invasive infections in newborns. The prevention of GBS neonatal disease relies on the administration of an intrapartum antibiotic prophylaxis to GBS-colonized women. In recent years, rapid intrapartum detection of GBS vaginal colonization using real-time nucleic acid amplification tests (NAATs) emerged as an alternative to antenatal culture screening methods. METHODS We compared the performances of two loop-mediated isothermal amplification (LAMP) tests, the Ampliflash® GBS and the PlusLife® GBS tests, to standard culture for GBS detection in vaginal specimens from pregnant women. The study was conducted from April to July 2023 in a French hospital of the Paris area. RESULTS A total of 303 samples were analyzed, including 85 culture-positive samples (28.1%). The Ampliflash® GBS test and the PlusLife® GBS tests gave a result for 100% and 96.3% tests, respectively. The performances of the tests were as follows: sensitivity 87.1% (95% confidence interval (CI) 78.3-92.6) and 98.7% (95% CI 93.0-99.8), specificity 99.1% (95% CI 96.7-99.8), and 91.9% (95% CI 87.3-95.0), respectively. False negative results of the Ampliflash® GBS test correlated with low-density GBS cultures. Time-to-results correlated with GBS culture density only for the PlusLife® GBS test (p < 0.001). CONCLUSION Both techniques provide excellent analytical performances with high sensitivity and specificity together with a short turnaround time and results available in 10 to 35 min. Their potential to further reduce the burden of GBS neonatal disease compared with antenatal culture screening needs to be assessed in future clinical studies.
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Affiliation(s)
- Rym Charfi
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
| | - Cécile Guyonnet
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France
| | | | | | | | - Claire Poyart
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France
| | - Céline Plainvert
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France
| | - Asmaa Tazi
- Université Paris Cité, CNRS, INSERM, Institut Cochin, Paris, F-75014, France.
- Service de Bactériologie, Centre National de Référence des Streptocoques, Assistance Publique - Hôpitaux de Paris Centre Université Paris Cité, Hôpital Cochin, 27 rue du Faubourg Saint-Jacques, Paris, 75014, France.
- Fédération Hospitalo-Universitaire Fighting Prematurity - FHU Préma, Paris, France.
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Wang F, Yi L, Ming F, Dong R, Wang F, Chen R, Hu X, Chen X, Sun B, Tang YW, Zhu Y, Wu L. Evaluation of the Xpert Xpress GBS test for rapid detection of group B Streptococcus in pregnant women. Microbiol Spectr 2024; 12:e0220623. [PMID: 38054718 PMCID: PMC10783076 DOI: 10.1128/spectrum.02206-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 11/10/2023] [Indexed: 12/07/2023] Open
Abstract
IMPORTANCE This was the first study evaluating the performance of the Xpert Xpress group B Streptococcus (GBS) test using rectovaginal swabs from Chinese pregnant women. Compared to the other three assays, the Xpert Xpress GBS test demonstrated high sensitivity and specificity when screening 939 pregnant women for GBS in rectovaginal specimens. Additionally, its reduced time to obtain results makes it valuable for the rapid detection of GBS.
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Affiliation(s)
- Feiling Wang
- Clinical Laboratory, Shenzhen Baoan Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Lehui Yi
- Clinical Laboratory, Shenzhen Baoan Women’s and Children’s Hospital, Shenzhen, Guangdong, China
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong, China
| | - Fang Ming
- Department of Obstetrics, Shenzhen Key Medical Discipline, Maternal-Fetal Medicine Institute, Shenzhen Bao'an Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Rui Dong
- Clinical Laboratory, Shenzhen Baoan Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Feng Wang
- Clinical Laboratory, Shenzhen Baoan Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Ruirui Chen
- Department of Obstetrics, Shenzhen Key Medical Discipline, Maternal-Fetal Medicine Institute, Shenzhen Bao'an Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Xiaoling Hu
- Clinical Affairs, Cepheid, Sunnyvale, California, USA
| | - Xuri Chen
- Department of Obstetrics, Shenzhen Key Medical Discipline, Maternal-Fetal Medicine Institute, Shenzhen Bao'an Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Bo Sun
- Department of Obstetrics, Shenzhen Key Medical Discipline, Maternal-Fetal Medicine Institute, Shenzhen Bao'an Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Yi-Wei Tang
- Medical Affairs, Cepheid, Sunnyvale, California, USA
- Danaher Diagnostic Platform China, Shanghai, China
| | - Yuanfang Zhu
- Department of Obstetrics, Shenzhen Key Medical Discipline, Maternal-Fetal Medicine Institute, Shenzhen Bao'an Women’s and Children’s Hospital, Shenzhen, Guangdong, China
| | - Lijuan Wu
- Clinical Laboratory, Shenzhen Baoan Women’s and Children’s Hospital, Shenzhen, Guangdong, China
- Department of Obstetrics, Shenzhen Key Medical Discipline, Maternal-Fetal Medicine Institute, Shenzhen Bao'an Women’s and Children’s Hospital, Shenzhen, Guangdong, China
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3
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Lemaire C, Cheminet M, Duployez C, Artus M, Ballaa Y, Devos L, Plainvert C, Poyart C, Le Gall F, Tazi A, Lanotte P. A LAMP-based assay for the molecular detection of group B Streptococcus. Eur J Clin Microbiol Infect Dis 2023; 42:1245-1250. [PMID: 37702956 DOI: 10.1007/s10096-023-04656-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/07/2023] [Indexed: 09/14/2023]
Abstract
PURPOSE Streptococcus agalactiae remains a major pathogen in human health, especially in neonatal infection. Detection in pregnant women is essential to initiate intrapartum antibiotic prophylaxis. This study compared the HiberGene loop-mediated isothermal amplification (LAMP) assay to culture, the reference method, for the detection of group B Streptococcus (GBS) in pregnant women. METHODS This was a prospective multicenter study conducted in four French hospitals. Three hundred fifty-four non-redundant routine care vaginal swabs were analyzed by both methods, LAMP assay and culture. Clinicians and patients were blinded to the results of the LAMP assay. RESULTS Three hundred thirty-seven samples presented concordant results, 15 presented discordant results, and 2 were invalid using the LAMP assay (excluded from the study). Compared to culture, the LAMP assay had a sensitivity of 87.7%, a specificity of 98%, a negative predictive value of 97.6%, and a positive predictive value of 89.3%. CONCLUSION The HiberGene GBS LAMP assay is an easy test that possesses good performances compared with the reference method, culture. It could be used in case of emergency when a quick result is needed.
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Affiliation(s)
- Coralie Lemaire
- Service de Bactériologie-Virologie, CHRU de Tours, Université de Tours, 37044, Tours, France
| | - Mélinda Cheminet
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
| | - Claire Duployez
- Laboratoire de Bactériologie, CHU de Lille, Université de Lille, 59000, Lille, France
| | - Mathilde Artus
- Laboratoire de Biologie Médicale, CH de Quimper, 29000, Quimper, France
| | - Yassine Ballaa
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
| | - Laura Devos
- Laboratoire de Bactériologie, CHU de Lille, Université de Lille, 59000, Lille, France
| | - Céline Plainvert
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
- Centre National de Référence Des Streptocoques, Hôpital Cochin, 75014, Paris, France
| | - Claire Poyart
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
- Centre National de Référence Des Streptocoques, Hôpital Cochin, 75014, Paris, France
| | - Florence Le Gall
- Laboratoire de Biologie Médicale, CH de Quimper, 29000, Quimper, France
| | - Asmaa Tazi
- Assistance Publique - Hôpitaux de Paris, Hôpitaux Universitaires Paris Centre, Hôpital Cochin, Service de Bactériologie, Université Paris Cité, 75014, Paris, France
- Centre National de Référence Des Streptocoques, Hôpital Cochin, 75014, Paris, France
| | - Philippe Lanotte
- Service de Bactériologie-Virologie, CHRU de Tours, Université de Tours, 37044, Tours, France.
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Tittel-Elmer M, de Tejada BM, Renzi G, Schrenzel J. Performance of the HiberGene Group B Streptococcus kit, a loop-mediated isothermal amplification-based assay for GBS screening during pregnancy. Eur J Clin Microbiol Infect Dis 2023; 42:217-219. [PMID: 36449147 PMCID: PMC9836968 DOI: 10.1007/s10096-022-04534-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022]
Abstract
Timely and accurate detection of Group B Streptococcus (GBS) carriage in pregnant women allows for targeted peripartum prophylaxis. Replacing culture-based screening by molecular biology assays enables faster results obtention, better targeted antibiotic prophylaxis, and reduces the laboratory workload. Here, we present a comparative analysis between a Loop Mediated Isothermal Amplification assay (HiberGene GBS kit) and culture (gold-standard). The HiberGene GBS kit showed a sensitivity of 97.9% and a specificity of 96.8% compared with culture. The limit of detection was estimated at 103 cfu/ml and results were obtained within 30 min. HiberGene GBS assay can be used for peripartum GBS screening and targeted antibiotic prophylaxis provided sample processing can be swiftly performed around the clock.
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Affiliation(s)
- Mireille Tittel-Elmer
- Bacteriology Laboratory, Division of Laboratory Medicine, Department of Diagnostics, Geneva University Hospitals, Geneva, Switzerland
| | - Begoña Martinez de Tejada
- Obstetrics Division, Departement of Pediatrics, Gynecology and Obstetrics, Geneva University Hospitals, Geneva, Switzerland ,Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Gesuele Renzi
- Bacteriology Laboratory, Division of Laboratory Medicine, Department of Diagnostics, Geneva University Hospitals, Geneva, Switzerland
| | - Jacques Schrenzel
- Bacteriology Laboratory, Division of Laboratory Medicine, Department of Diagnostics, Geneva University Hospitals, Geneva, Switzerland ,Faculty of Medicine, University of Geneva, Geneva, Switzerland ,Genomic Research Laboratory, Division of Infectious Diseases, Department of Medicine, Geneva University Hospitals, Geneva, Switzerland
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Choi Y, Han HS, Chong GO, Le TM, Nguyen HDT, Lee OEM, Lee D, Seong WJ, Seo I, Cha HH. Updates on Group B Streptococcus Infection in the Field of Obstetrics and Gynecology. Microorganisms 2022; 10:microorganisms10122398. [PMID: 36557651 PMCID: PMC9780959 DOI: 10.3390/microorganisms10122398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 11/27/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022] Open
Abstract
Group B Streptococcus (GBS, Streptococcus agalactiae) is a Gram-positive bacterium that is commonly found in the gastrointestinal and urogenital tracts. However, its colonization during pregnancy is an important cause of maternal and neonatal morbidity and mortality worldwide. Herein, we specifically looked at GBS in relation to the field of Obstetrics (OB) along with the field of Gynecology (GY). In this review, based on the clinical significance of GBS in the field of OBGY, topics of how GBS is being detected, treated, and should be prevented are addressed.
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Affiliation(s)
- Yeseul Choi
- Graduate Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Hyung-Soo Han
- Graduate Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- Department of Physiology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- Clinical Omics Institute, Kyungpook National University, Daegu 41405, Republic of Korea
| | - Gun Oh Chong
- Clinical Omics Institute, Kyungpook National University, Daegu 41405, Republic of Korea
- Department of Obstetrics and Gynecology, Kyungpook National University Chilgok Hospital, Daegu 41404, Republic of Korea
| | - Tan Minh Le
- Graduate Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Hong Duc Thi Nguyen
- Graduate Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Olive EM Lee
- Graduate Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Donghyeon Lee
- Graduate Program, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- BK21 Four Program, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Won Joon Seong
- Department of Obstetrics and Gynecology, Kyungpook National University Chilgok Hospital, Daegu 41404, Republic of Korea
| | - Incheol Seo
- Department of Immunology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
- Correspondence: (I.S.); (H.-H.C.)
| | - Hyun-Hwa Cha
- Department of Obstetrics and Gynecology, Kyungpook National University Chilgok Hospital, Daegu 41404, Republic of Korea
- Correspondence: (I.S.); (H.-H.C.)
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van der Linden M, Jaschek M, Junker J, Levina N, Weidenhaupt B. Evaluation of the 'HG Group B Streptococcus' loop-mediated isothermal amplification assay for accurate identification of Streptococcus agalactiae. J Med Microbiol 2022; 71. [PMID: 36748534 DOI: 10.1099/jmm.0.001609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
This study evaluated the HiberGene Group B Streptococcus test, a CE-IVD-approved molecular assay for rapid detection of Streptococcus agalactiae [Group B Streptococcus (GBS)] in human clinical specimens. Performance of the assay in terms of specificity, sensitivity and genotype inclusivity was investigated using an extended specificity panel of 113 human and animal GBS isolates, and eight isolates from other streptococcal species, from the isolate collection of the German National Reference Center for Streptococci. Broth cultures were tested according to the manufacturer's protocol, including lysis, heat denaturation and isothermal amplification. All 104/104 (100 %) human GBS isolates of nine serotypes (Ia, Ib, II, III, IV, V, VI, VII, VIII and non-typeable) were correctly identified by the assay as GBS. Additionally, 7/9 (78 %) GBS isolates from elephants were also correctly identified. Six isolates of other streptococcal species/subspecies (Streptococcus anginosus, S. constellatus, S. castoreus, S. dysgalactiae and S. dysgalactiae equisimilis) were correctly reported as negative. Two S. pyogenes (Group A Streptococcus) isolates gave invalid results. The HG Group B Streptococcus assay identified human GBS isolates in culture with 100 % sensitivity.
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Affiliation(s)
- Mark van der Linden
- German National Reference Center for Streptococci, Department of Medical Microbiology, University Hospital RWTH Aachen, Pauwelsstrasse 30, D-52074 Aachen, Germany
| | - Mareike Jaschek
- German National Reference Center for Streptococci, Department of Medical Microbiology, University Hospital RWTH Aachen, Pauwelsstrasse 30, D-52074 Aachen, Germany
| | - Julia Junker
- German National Reference Center for Streptococci, Department of Medical Microbiology, University Hospital RWTH Aachen, Pauwelsstrasse 30, D-52074 Aachen, Germany
| | - Natascha Levina
- German National Reference Center for Streptococci, Department of Medical Microbiology, University Hospital RWTH Aachen, Pauwelsstrasse 30, D-52074 Aachen, Germany
| | - Bruno Weidenhaupt
- German National Reference Center for Streptococci, Department of Medical Microbiology, University Hospital RWTH Aachen, Pauwelsstrasse 30, D-52074 Aachen, Germany
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Singh A, Husein A, Singh S, Ghattargi V, Dhotre D, Shouche YS, Colaco S, Abhyankar V, Patekar S, Chhabria K, Kumar S, Urhekar AD, Modi D. False-positive detection of Group B Streptococcus (GBS) in chromogenic media (Strep B Carrot Broth) due to presence of Enterococcus faecalis in High Vaginal swabs. J Med Microbiol 2022; 71. [PMID: 35972461 DOI: 10.1099/jmm.0.001577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Introduction. Vaginal colonization of Group B Streptococcus (GBS) is associated with preterm births and neonatal sepsis. Thus routine screening of GBS in prenatal care is recommended.Hypothesis. Chromogenic media (carrot broth) aids in specific and rapid detection of GBS.Aim. To investigate the efficiency of Strep B Carrot Broth for detection of GBS in high vaginal swabs from pregnant women.Methods. In this study 201 vaginal swab samples were collected from pregnant women. Swabs were inoculated in chromogenic media (Strep B Carrot Broth). The positive and negative cultures were inoculated on blood agar and crome agar plates. The colonies were subjected to 16S rRNA sequencing and gene-specific PCR for confirmation. The Christie Atkins Munch Peterson (CAMP) and bile esculin agar (BEA) tests were used for biochemical confirmation. PCR was performed on genomic DNA isolated from uncultured vaginal swabs.Results. It was found that 20/201 (9.9 %) vaginal swab samples were positive in the Strep B Carrot Broth and 17/20 (85 %) and 19/20 (95 %) of these samples yielded colonies on blood agar and crome agar, respectively. Of the 181 carrot broth-negative samples, 1 (0.5 %) and 38 (20.9 %) yielded colonies on blood agar and crome agar plates, respectively. However, 16 s rRNA sequencing revealed that none of the 20 carrot broth-positive cultures were GBS and had sequence similarities to Enterococcus faecalis. This was also confirmed by using gene-specific PCR and BEA positivity. Furthermore, E. faecalis was detected by PCR in DNA isolated from 57 uncultured vaginal swabs samples, GBS could only be detected by PCR in four samples.Conclusion. Carrot broth-based culture can lead to false-positive detection due to the presence of E. faecalis. Thus GBS-positive results in carrot broth must be confirmed by the other molecular and biochemical tests before making a final diagnosis.
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Affiliation(s)
- Abhishek Singh
- Department of Microbiology, MGM Institute of Health Sciences, Kamothe Navi Mumbai, India.,Molecular and Cellular Biology Laboratory, ICMR-National Institute for Research in Reproductive and Child Health, Indian Council of Medical Research (ICMR), Parel, Mumbai, India
| | - Atahar Husein
- Molecular and Cellular Biology Laboratory, ICMR-National Institute for Research in Reproductive and Child Health, Indian Council of Medical Research (ICMR), Parel, Mumbai, India
| | - Salomi Singh
- Department of Obstetrics and Gynaecology, MGM Institute of Health Sciences, Kalamboli, Navi Mumbai, India
| | - Vikas Ghattargi
- National Centre for Microbial Resource (NCMR), National Centre for Cell Sciences, Pune, India
| | - Dhiraj Dhotre
- National Centre for Microbial Resource (NCMR), National Centre for Cell Sciences, Pune, India
| | - Yogesh S Shouche
- National Centre for Microbial Resource (NCMR), National Centre for Cell Sciences, Pune, India
| | - Stacy Colaco
- Molecular and Cellular Biology Laboratory, ICMR-National Institute for Research in Reproductive and Child Health, Indian Council of Medical Research (ICMR), Parel, Mumbai, India
| | - Vivek Abhyankar
- National Centre for Microbial Resource (NCMR), National Centre for Cell Sciences, Pune, India
| | - Suyash Patekar
- National Centre for Microbial Resource (NCMR), National Centre for Cell Sciences, Pune, India
| | - Karisma Chhabria
- Molecular and Cellular Biology Laboratory, ICMR-National Institute for Research in Reproductive and Child Health, Indian Council of Medical Research (ICMR), Parel, Mumbai, India
| | - Sushil Kumar
- Department of Obstetrics and Gynaecology, MGM Institute of Health Sciences, Kalamboli, Navi Mumbai, India
| | - A D Urhekar
- Department of Microbiology, MGM Institute of Health Sciences, Kamothe Navi Mumbai, India
| | - Deepak Modi
- Molecular and Cellular Biology Laboratory, ICMR-National Institute for Research in Reproductive and Child Health, Indian Council of Medical Research (ICMR), Parel, Mumbai, India
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