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Kaur, Tanveer
- Non-Fermenters - Emerging Health Care Pathogens
Abstract Views :224 |
PDF Views:162
Authors
Mandeep Kaur
1,
Satish Gupte
2,
Maninder Kaur
1,
Prerna Aggarwal
1,
Ashwini Manhas
1,
Manju Bala
1,
Tanveer Kaur
1
Affiliations
1 Department of Microbiology, Gian Sagar Medical College & Hospital, Rajpura, IN
2 Department of Microbiology, GianSagar Medical College and Hospital, Gian Sagar Medical College & Hospital, Rajpura, IN
1 Department of Microbiology, Gian Sagar Medical College & Hospital, Rajpura, IN
2 Department of Microbiology, GianSagar Medical College and Hospital, Gian Sagar Medical College & Hospital, Rajpura, IN
Source
SMU Medical Journal, Vol 2, No 2 (2015), Pagination: 266-277Abstract
Aerobic nonfermenting gram-negative bacilli (nonfermenters) are a heterogeneous group of organisms that are either incapable of utilizing carbohydrates as a source of energy or degrade them via oxidative rather than fermentative pathway. These organisms are common inhabitants of soil and water. Nonfermenters can cause a vast variety of infections and account for approximately 15%of all Gram negative bacilli cultured from clinical specimens. Their infection are endogenous or exogenous origin, depending on several factor such as use of immunosuppressant substance, abusive use of wide spectrum antimicrobial agents, prolong surgical procedure and inadequate instrumentation. Pseudomonas cause endocarditis, osteomyelitis, urinary tract infections, gastrointestinal infections, meningitis, and, commonly septicaemia. Acinetobacter has emerged as an important nosocomial organism causing infectious outbreaks in critically ill patients leading to high mortality and morbidity. Burkholderia cepacia shows fast growth on immune-depleted patients - like cystic fibrosis patients (CFPs). Sphingomonas paucimobilis can produce biofilms or attach to preexisting biofilms, where they become integrated and survive for days. Most infections caused by nonfermenters have been nosocomial, often related to contamination of hospital equipment or fluids and have occurred in immunocompromised hosts. Non-fermenting Gram-negative bacilli are innately resistant to many antibiotics and are known to produced extrended spectrum β-lactmases and metallo β-lactmases. This review article highlights the different clinical conditions caused by the nonfermenters.Keywords
Nonfermenters, Pseudomonas, Burkholderia cepacia, Acinetobacter, Sphingobacterium.References
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- Environmental Pathogens Related to Human Infections
Abstract Views :174 |
PDF Views:116
Authors
Affiliations
1 Department of Microbiology, Gian Sagar Medical College & Hospital, Rajpura, IN
1 Department of Microbiology, Gian Sagar Medical College & Hospital, Rajpura, IN
Source
SMU Medical Journal, Vol 2, No 2 (2015), Pagination: 286-294Abstract
Environmental pathogens are microorganisms that normally spend a substantial part of their lifecycle outside human hosts, but when introduced to humans cause diseases. They are borne in the water, soil, air, food, and other elements of our surroundings. Their adverse effects on human health cannot be controlled without first obtaining a thorough understanding of their environmental habitats and the epidemiology of the diseases they cause. To achieve this understanding, surveillance of the environment to determine the numbers and distribution of environmental pathogens is needed. The impacts of environmental pathogens can be felt by almost every person, So the public needs to be made better aware of their presence and risks. More study and research is needed on these environmental microbes for appropriate drug and vaccine development for the control of these infections. This review article highlights some of important environmental microbes associated with human infections.Keywords
Environmental Pathogens, Fomites, Biofilms, Aerosols.References
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- Current Concepts of Commonly Used Vaccines
Abstract Views :191 |
PDF Views:105
Authors
Affiliations
1 Department of Microbiology, Gian Sagar Medical College & Hospital, Rajpura, IN
2 Department of Microbiology, GianSagar Medical College and Hospital, Banur, Punjab, IN
1 Department of Microbiology, Gian Sagar Medical College & Hospital, Rajpura, IN
2 Department of Microbiology, GianSagar Medical College and Hospital, Banur, Punjab, IN
Source
SMU Medical Journal, Vol 2, No 2 (2015), Pagination: 306-316Abstract
Today's world need vaccines for the prevention of infectious diseases, cancer therapy, and many more. Vaccines reduce the mortality rates in the world from infectious diseases such as measles, polio and diphtheria. The concept of vaccination is very old. Conventional vaccines are composed of Live or Attenuated microorganisms. But they may not be sufficient in current scenario, so further research is going on for development of vaccine which should be cost-effective and having specific immune responses. The current concept of vaccines is a challenge which could produce both humoral and cell-mediated immunity. In this review we are discussing about the types, concept, economics, and newer trends for vaccines production.Keywords
Vaccines, Types, Concept, Trends.References
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- Therapeutic Replacements to Antibiotics
Abstract Views :212 |
PDF Views:110
Authors
Affiliations
1 Department of Microbiology, Gian Sagar Medical College and Hospital, Rajpura, IN
1 Department of Microbiology, Gian Sagar Medical College and Hospital, Rajpura, IN
Source
SMU Medical Journal, Vol 3, No 1 (2016), Pagination: 211-230Abstract
For more than half a century, the human society has been relying primarily on antibiotics to treat infectious diseases caused by pathogenic bacteria. After the development of antibiotics, a general belief arose that the problem of bacterial infections would be solved. But the more use of antibiotics for the treatment of bacterial infection resulting in Multidrug-resistant bacterial infections. The emergence of infectious disease caused by drug-resistant bacteria requires alternatives to conventional antibiotics. Immunity play important role to treat infectious diseases. Certain type of immunomodulators are used to boost the immunity against infectious diseases. Immunomodulators are biological or synthetic substances that can modulate any aspect of the immune system including both adaptive and innate arms of the immune system. Vaccines play an important role in providing and improving immunity to a particular disease. Monoclonal antibodies are currently being developed against certain infectious agents, including cytomegalovirus and human immunodeficiency virus. Prebiotics and probiotics are used to promote the growth and multiplication of specific beneficial gut microflora. Micronutrients such as selenium, zinc, and vitamin A and macronutrient such as Protein, Fat, Carbohydrates known to modulate immunity . Bacteriophages, Bacterial cell wall hydrolases and Antimicrobial peptides are also used as alternative to antibiotics in certain bacterial infections. Bacteriophages are 'bacterium eaters' that kill bacterium by causing its lysis (bacteriolysis). This review article highlights various types of alternatives to antibiotics which are used for the treatment of bacterial infections.Keywords
Antibiotics, Immunity, Vaccine, Bacteriophages, Antimicrobioal Peptides.- Current Concepts of Medical Microbiology Laboratory
Abstract Views :250 |
PDF Views:121
Authors
Affiliations
1 Department of Microbiology, Gian Sagar Medical College and Hospital, Rajpura, IN
1 Department of Microbiology, Gian Sagar Medical College and Hospital, Rajpura, IN