Personal information

Biofilm, Interspecies interaction, Bacterial-fungal interaction, Quorum sensing, Mucormycosis, Staphylococcus
India

Activities

Employment (3)

Panjab University: Chandigarh, Punjab, IN

2014 to present | Assistant Professor (Microbial Biotechnology)
Employment
Source: Self-asserted source
Rachna Singh

Stanford University School of Medicine: Stanford, CA, US

2012 to 2013 | Fulbright-Nehru Postdoctoral Research Fellow (Microbiology and Immunology)
Employment
Source: Self-asserted source
Rachna Singh

Postgraduate Institute of Medical Education and Research: Chandigarh, Chandigarh, IN

2010 to 2012 | Research Associate (Medical Microbiology)
Employment
Source: Self-asserted source
Rachna Singh

Education and qualifications (3)

Postgraduate Institute of Medical Education and Research: Chandigarh, Chandigarh, IN

2007 to 2010 | Ph.D. (Medical Microbiology)
Education
Source: Self-asserted source
Rachna Singh

Panjab University: Chandigarh, Punjab, IN

2004 to 2006 | M.Sc. (Honors School) (Microbiology)
Education
Source: Self-asserted source
Rachna Singh

Panjab University: Chandigarh, Punjab, IN

2001 to 2004 | B.Sc. (Honors School) (Microbiology)
Education
Source: Self-asserted source
Rachna Singh

Professional activities (10)

Society for Indian Human and Animal Mycologists: National, IN

Membership
Source: Self-asserted source
Rachna Singh

Panjab University: Chandigarh, Punjab, IN

Gold Medalist, B.Sc. (Honors School) (Microbiology)
Distinction
Source: Self-asserted source
Rachna Singh

Panjab University: Chandigarh, Punjab, IN

Gold Medalist, M.Sc. (Honors School) (Microbiology)
Distinction
Source: Self-asserted source
Rachna Singh

Indian Council of Medical Research: New Delhi, Delhi, IN

Junior Research Fellowship
Distinction
Source: Self-asserted source
Rachna Singh

Indian Association of Medical Microbiologists : National, IN

Membership
Source: Self-asserted source
Rachna Singh

Council of Scientific and Industrial Research: New Delhi, Delhi, IN

Junior and Senior Research Fellowship (JRF/SRF-NET)
Distinction
Source: Self-asserted source
Rachna Singh

Council of Scientific and Industrial Research: New Delhi, Delhi, IN

Research Associateship
Distinction
Source: Self-asserted source
Rachna Singh

Council of Scientific and Industrial Research: New Delhi, Delhi, IN

Senior Research Associateship
Distinction
Source: Self-asserted source
Rachna Singh

Council for International Exchange of Scholars: Washington D.C., District of Columbia, US

Fulbright-Nehru Postdoctoral Research Fellowship
Distinction
Source: Self-asserted source
Rachna Singh

Association of Microbiologists of India : National, IN

Membership
Source: Self-asserted source
Rachna Singh

Funding (5)

Development and evaluation of peptide-derived moieties for antimicrobial activity, particularly antifungal activity against pathogenic Zygomycetes

2021-10 to 2024-10 | Grant
Indian Council of Medical Research (New Delhi, IN)
Source: Self-asserted source
Rachna Singh

Advisory-cum-technical service consultancy for evaluation of antimicrobial activity

2020 to present | Contract
Cedrus Bio-products Ltd. (Solan, Himachal Pradesh, IN)
Source: Self-asserted source
Rachna Singh

Identification of quorum sensing molecule(s) in Rhizopus arrhizus and their potential as diagnostic target(s)

2016 to 2019 | Grant
Department of Science and Technology (DST-SERB), Govt. of India (New Delhi, IN)
Source: Self-asserted source
Rachna Singh

Interspecies interactions between zygomycetes and bacteria: novel insights into microbial pathogenesis and therapeutic interventions

2014 to 2020 | Grant
Department of Science and Technology (DST-INSPIRE Faculty Scheme), Govt. of India (New Delhi, IN)
Source: Self-asserted source
Rachna Singh

The Role of Biofilm Matrix, Surface Hydrophobicity and Sigma S in Increased Biofilm Formation by Uropathogenic Escherichia coli Under Simulated Microgravity

2012-08-01 to 2013-08-01 | Grant
Council for International Exchange of Scholars (Washington D.C., US)
Source: Self-asserted source
Rachna Singh via DimensionsWizard

Works (40)

Antibiofilm activity of truncated Staphylococcus aureus phenol soluble modulin α2 (SaΔ1Δ2PSMα2) against Candida auris in vitro and in an animal model of catheter-associated infection

Microbial Pathogenesis
2024-11 | Journal article
Contributors: Anjna Kumari; Anayata Sharma; Laxmi Kumari; Sandip V. Pawar; Rachna Singh
Source: check_circle
Crossref

Repurposing the non-steroidal anti-inflammatory drug diflunisal as an adjunct therapy with amphotericin B against mucoralean fungi

Journal of Medical Microbiology
2024-11-22 | Journal article
Contributors: Anjna Kumari; Jasdeep Kaur; Pallavi Sharma; Mahaldeep Kaur; Rachna Singh
Source: check_circle
Crossref

A novel indirect ELISA for serodiagnosis of mucormycosis using antigens from Rhizopus arrhizus

Mycoses
2024-05 | Journal article
Contributors: Hansraj Choudhary; Harsimran Kaur; Shreya Singh; Rachna Singh; Valliappan Muthu; Roshan Verma; Shivaprakash M. Rudramurthy; Ritesh Agarwal; Sanjay Jain; Amanjit Bal et al.
Source: check_circle
Crossref

In vitro and in vivo evaluation of DNase I in reinstating antibiotic efficacy against Klebsiella pneumoniae biofilms

Pathogens and Disease
2023-01-17 | Journal article
Contributors: Anayata Sharma; Praveen Rishi; Rachna Singh
Source: check_circle
Crossref

The Indigenous Volatile Inhibitor 2-Methyl-2-butene Impacts Biofilm Formation and Interspecies Interaction of the Pathogenic Mucorale Rhizopus arrhizus

Microbial Ecology
2022-02 | Journal article
Contributors: Mahaldeep Kaur; Anjna Kumari; Rachna Singh
Source: check_circle
Crossref

Quorum-sensing effector pyocyanin but not farnesol and acyl homoserine lactone exhibit antibacterial activity.

Indian Journal of Medical Research
2022-01 | Journal article
Source: Self-asserted source
Rachna Singh

Nasal Microbiota Imbalance as a Contributory Link in the Emergence of COVID-19 Associated Mucormycosis

ACS Infectious Diseases
2021-08-13 | Journal article
Contributors: Rachna Singh; Anjna Kumari
Source: check_circle
Crossref

Rapid and Simple Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC) Method for Simultaneous Quantifications of Triazole Antifungals in Human Serum

Mycopathologia
2021-03 | Journal article
Part of ISSN: 0301-486X
Part of ISSN: 1573-0832
Source: Self-asserted source
Rachna Singh

Volatile self-inhibitor of spore germination in pathogenic Mucorale Rhizopus arrhizus

FEMS Microbiology Ecology
2020-09-01 | Journal article
Contributors: Mahaldeep Kaur; Rachna Singh
Source: check_circle
Crossref

Antibiofilm Activity of Small Molecules Produced by Staphylococcus epidermidis against Staphylococcus aureus

Applied and Environmental Microbiology
2020-05-01 | Journal article
Part of ISSN: 0099-2240
Contributors: Anjna Kumari; Rachna Singh
Source: Self-asserted source
Rachna Singh via Crossref Metadata Search
grade
Preferred source (of 2)‎

Facially Amphiphilic Cholic Acid–Lysine Conjugates as Promising Antimicrobials

ACS Omega
2020-02 | Journal article
Part of ISSN: 2470-1343
Contributors: Poonam Singla; Mahaldeep Kaur; Anjna Kumari; Laxmi Kumari; Sandip V. Pawar; Rachna Singh; Deepak B. Salunke
Source: Self-asserted source
Rachna Singh via Crossref Metadata Search

Antagonistic Interaction of Staphylococcus aureus and Staphylococcus epidermidis with Rhizopus arrhizus Mediated by Phenol Soluble Modulins and Organic Acids

ACS Infectious Diseases
2019-11-08 | Journal article
Contributors: Anjna Kumari; Rupinder Tewari; Rachna Singh
Source: check_circle
Crossref

Medically Important Interactions of Staphylococci with Pathogenic Fungi

Future Microbiology
2019-09 | Journal article
Contributors: Anjna Kumari; Rachna Singh
Source: check_circle
Crossref

Biofilm formation by Candida auris isolated from colonising sites and candidemia cases

Mycoses
2019-08 | Journal article
Contributors: Rachna Singh; Mahaldeep Kaur; Arunaloke Chakrabarti; Shamanth A. Shankarnarayan; Shivaprakash M. Rudramurthy
Source: check_circle
Crossref

Bile Acid Oligomers and Their Combination with Antibiotics to Combat Bacterial Infections

Journal of Medicinal Chemistry
2018 | Journal article
EID:

2-s2.0-85056802877

Contributors: Singla, P.; Dalal, P.; Kaur, M.; Arya, G.; Nimesh, S.; Singh, R.; Salunke, D.B.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Relevance of antifungal penetration in biofilm-associated resistance of Candida albicans and non-albicans Candida species

Journal of Medical Microbiology
2018 | Journal article
EID:

2-s2.0-85049389853

Contributors: Singh, R.; Kumari, A.; Kaur, K.; Sethi, P.; Chakrabarti, A.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Role of biofilm morphology, matrix content and surface hydrophobicity in the biofilm-forming capacity of various Candida species

Journal of Medical Microbiology
2018 | Journal article
EID:

2-s2.0-85048059298

Contributors: Kumari, A.; Mankotia, S.; Chaubey, B.; Luthra, M.; Singh, R.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Encompassment of Benzyl Isothiocyanate in cyclodextrin using ultrasonication methodology to enhance its stability for biological applications

Ultrasonics Sonochemistry
2017 | Journal article
EID:

2-s2.0-85017283444

Contributors: Uppal, S.; Kaur, K.; Kumar, R.; Kahlon, N.K.; Singh, R.; Mehta, S.K.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Invasive candidiasis in the Southeast-Asian region

Candida albicans: Cellular and Molecular Biology: Second Edition
2017 | Book
EID:

2-s2.0-85053208535

Contributors: Singh, R.; Chakrabarti, A.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Payload hardware and experimental protocol development to enable future testing of the effect of space microgravity on the resistance to gentamicin of uropathogenic Escherichia coli and its σ<sup>s</sup>-deficient mutant

Life Sciences in Space Research
2017 | Journal article
EID:

2-s2.0-85019493458

Contributors: Matin, A.C.; Wang, J.-H.; Keyhan, M.; Singh, R.; Benoit, M.; Parra, M.P.; Padgen, M.R.; Ricco, A.J.; Chin, M.; Friedericks, C.R. et al.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Cellular response of Escherichia coli to microgravity and microgravity analogue culture

Effect of Spaceflight and Spaceflight Analogue Culture on Human and Microbial Cells: Novel Insights into Disease Mechanisms
2016 | Book
EID:

2-s2.0-85012207585

Contributors: Singh, R.; Matin, A.C.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Penetration barrier contributes to bacterial biofilm-associated resistance against only select antibiotics, and exhibits genus-, strain- and antibiotic-specific differences

Pathogens and Disease
2016 | Journal article
EID:

2-s2.0-85010263470

Contributors: Singh, R.; Sahore, S.; Kaur, P.; Rani, A.; Ray, P.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Mucormycosis in India: Unique features

Mycoses
2014 | Journal article
EID:

2-s2.0-85027940313

Contributors: Chakrabarti, A.; Singh, R.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Quorum sensing-mediated regulation of staphylococcal virulence and antibiotic resistance

Future Microbiology
2014 | Journal article
EID:

2-s2.0-84903266725

Contributors: Singh, R.; Ray, P.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Sigma S-dependent antioxidant defense protects stationary-phase Escherichia coli against the bactericidal antibiotic gentamicin

Antimicrobial Agents and Chemotherapy
2014 | Journal article
EID:

2-s2.0-84907279958

Contributors: Wang, J.-H.; Singh, R.; Benoit, M.; Keyhan, M.; Sylvester, M.; Hsieh, M.; Thathireddy, A.; Hsieh, Y.-J.; Matin, A.C.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Exophiala dermatitidis endocarditis on native aortic valve in a postrenal transplant patient and review of literature on E. dermatitidis infections

Mycoses
2013 | Journal article
EID:

2-s2.0-84876339863

Contributors: Patel, A.K.; Patel, K.K.; Darji, P.; Singh, R.; Shivaprakash, M.R.; Chakrabarti, A.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

In vitro antifungal activity of Indian liposomal amphotericin B against clinical isolates of emerging species of yeast and moulds, and its comparison with amphotericin B deoxycholate, voriconazole, itraconazole and fluconazole

Mycoses
2013 | Journal article
EID:

2-s2.0-84871621171

Contributors: Rudramurthy, S.M.; Jatana, M.; Singh, R.; Chakrabarti, A.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Methicillin-resistant Staphylococcus aureus carriage screening in intensive care

Indian Journal of Critical Care Medicine
2013 | Journal article
EID:

2-s2.0-84885674708

Contributors: Ray, P.; Singh, R.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Presence of virulence determinants amongst Staphylococcus aureus isolates from nasal colonization, superficial &amp; invasive infections

Indian Journal of Medical Research
2013 | Journal article
EID:

2-s2.0-84881031238

Contributors: Bhatty, M.; Ray, P.; Singh, R.; Jain, S.; Sharma, M.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Vancomycin modulated autolysis in Staphylococcus aureus: Does it vary with the susceptibility and planktonic or biofilm phenotype?

FEMS Immunology and Medical Microbiology
2012 | Journal article
EID:

2-s2.0-84860539499

Contributors: Singh, R.; Ray, P.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Biofilm formation by zygomycetes: Quantification, structure and matrix composition

Microbiology
2011 | Journal article
EID:

2-s2.0-80052355250

Contributors: Singh, R.; Shivaprakash, M.R.; Chakrabarti, A.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Methicillin-resistant Staphylococcus aureus in developed and developing countries: implications and solutions

World Health Organization (WHO), Special issue on Antimicrobial Resistance in South-East Asia (Regional Health Forum, WHO South-East Asia region)
2011 | Newsletter article
Source: Self-asserted source
Rachna Singh

Staphylococcus aureus: an ancient pathogen, an epidemiological and pathogenetic enigma

Staphylococcus aureus biology and infections: recent developments.
2011 | Book chapter
Source: Self-asserted source
Rachna Singh

The emerging epidemiology of mould infections in developing countries

Current Opinion in Infectious Diseases
2011 | Journal article
EID:

2-s2.0-80055000208

Contributors: Chakrabarti, A.; Singh, R.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Comment on: Densely adherent growth mode, rather than extracellular polymer substance matrix build-up ability, contributes to high resistance of Staphylococcus epidermidis biofilms to antibiotics

Journal of Antimicrobial Chemotherapy
2010 | Journal article
EID:

2-s2.0-77955643793

Contributors: Singh, R.; Ray, P.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Enhanced production of exopolysaccharide matrix and biofilm by a menadione-auxotrophic Staphylococcus aureus small-colony variant

Journal of Medical Microbiology
2010 | Journal article
EID:

2-s2.0-77951643061

Contributors: Singh, R.; Ray, P.; Das, A.; Sharma, M.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Molecular biology in infectious diseases

Bulletin, Postgraduate Institute of Medical Education and Research, Chandigarh
2010 | Journal article
EID:

2-s2.0-84873454154

Contributors: Ray, P.; Singh, R.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

MRT letter: Spatial distribution of vancomycin-induced damage in Staphylococcus epidermidis biofilm: An electron microscopic study

Microscopy Research and Technique
2010 | Journal article
EID:

2-s2.0-77954877496

Contributors: Singh, R.; Ray, P.; Das, A.; Sharma, M.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Penetration of antibiotics through Staphylococcus aureus and Staphylococcus epidermidis biofilms

Journal of Antimicrobial Chemotherapy
2010 | Journal article
EID:

2-s2.0-77955593345

Contributors: Singh, R.; Ray, P.; Das, A.; Sharma, M.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Role of persisters and small-colony variants in antibiotic resistance of planktonic and biofilm-associated Staphylococcus aureus: An in vitro study

Journal of Medical Microbiology
2009 | Journal article
EID:

2-s2.0-67650732735

Contributors: Singh, R.; Ray, P.; Das, A.; Sharma, M.
Source: Self-asserted source
Rachna Singh via Scopus - Elsevier

Peer review (8 reviews for 5 publications/grants)

Review activity for ACS applied materials & interfaces. (1)
Review activity for Indian journal of microbiology. (4)
Review activity for Journal of medical microbiology. (1)
Review activity for Langmuir : (1)
Review activity for PloS one. (1)