What is Salmonella pathogenicity island?

Q: What is the primary virulence factor for Streptococcuspneumoniae?

A: Streptococcus pneumoniae also is known as pneumococcus is a gram-positive coccus. They are…

Q: Do common fungi such as bread mold produce antimicrobial compounds?

A: The fungi are cosmopolitan and are almost found everywhere. There are variety of fungi present…

Q: How can type IV pili facilitate pathogenesis? What are hami?

A: Pathogenesis is characterized as the origin and development of a disease. In many cases, the tissue…

Q: What are the possible sources of Salmonella spp.that cause food infections?

A: The food poisoning caused by the species of this bacterium leads to a very serious form of…

Q: There is an outbreak of enteric fever in a small Community. What is the causative bacteria; and how…

A: Another name of enteric fever is Typhoid fever. This type of fever has the following stages: The…

Q: Is Plasmodium falciparum treatable?

A: Plasmodium falciparum is involved in causing malaria in humans and are single-celled protozoan…

Q: What is the etiologicalagent and the mainmanifestations of cholera?

A: Cholera is the contagious bacterial disease that usually spreads through the ingestion of…

Q: Which coliform bacteria are the most difficult to distinguish from the Salmonella or Shigella…

A: In humans, Shigella and Salmonella are microorganisms that cause gastroenteritis. Salmonella is the…

Q: What is the posaible preventative statistics of Listeriosis

A: Listeriosis is a severe foodborne infectious disease caused by the bacteria Listeria monocytogenes.…

Q: Does Micrococcus luteus produce lipase?

A: Lipase is a bio-catalyst which has promising use in industries. In the body lipase is produced by…

Q: Why is it clinically important to distinguish S. pneumoniae from otherα-hemolytic streptococci?

A: S. pneumoniae:        Streptococus pneumonia (pneumococcus) is a gram positive bacteria, which is…

Q: What foods are commonly implicated in cases of listeriosis?

A: The infection caused by the bacteria  Listeria monocytogenes is known as listeriosis. The population…

Q: Is salmonella typhimurium unicellular, colonial, or multicellular?

A:

Q: What is the difference of cytotoxin and enterotoxin of Salmonella typhi?

A: A cytotoxin is defined as “a poison that damages cells”. Cytotoxins can be either chemical or…

Q: what is the culture media of salmonella typhi

A: Salmonella typhi is the causative organism of typhoid in human beings. It belongs to the family…

Q: Why is Salmonella typhi a gram negative bacilli? Explain.

A: The crystal violet stain utilised in the Gram staining method of microbial classification is not…

Q: Why can Koch’s postulates not be used to identify the causes of diseases due to polymicrobial…

A: Koch's postulates are four criteria that denote the causative relationship between the microbe and…

Q: What medical conditions commonly predispose patients to mycoticinfection?

A: Fungi are the multicellular eukaryotic organisms. They are heterotrophs and contain chitin in their…

Q: What is the habitat of candida auris infection?

A: Candida aurius is a fungal species belonging to family saccharoomycetacae. It causes candidiasis in…

Q: What virulence factor, present in Streptococcuspneumoniae but absent from Salmonella enterica,…

A: A disease is a state of unhealthiness of the physical body, mind and social interaction. A disease…

Q: What major virulence factors are produced by Salmonella?

A: The ability of the pathogen to multiply within the host or the degree of pathology caused by the…

Q: What are the causative agent mode of transmission and clinical symptoms of enteroaggregative E.coli…

A: Enteroaggregative E.coli -  Causative agent - Escherichia coli EAEC is a pathotype of E. coli.

Q: Why do healthy adults usually not contract Clostridium difficileinfections?

A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism such as bacteria…

Q: What does it mean for salmonellosis to have an iceberg effect?

A: The term ‘Disorder’ defines an illness that deteriorates the normal physical and mental conditions.…

Q: What two characteristics separate Salmonella from Shigella? What media can be used for this…

A: Enteric pathogens are microbes that affect the intestine and cause infections. These include…

Q: How do Salmonella typhi microorganisms live intracellularly? How are they able to replicate in…

A: Salmonella typhi is a rod shaped, flagellated, Gram Negative bacteria which is responsible for the…

Q: The most common bacterial cause of diarrhea in the United States is________________

A:

Q: What is the vector ofChagas’ disease? How is thedisease transmitted?

A: The disease is a condition or illness or sickness of the living animal or plant body or of one of…

Q: Is Bacillus cereus pathogenic?

A: Bacillus Cereus bacteria commensal or pathogenic to foods

Q: what is the media of culturing salmonella typhi?

A: Salmonella typhi  Salmonella typhi is a parasitic bacteria that infect blood and intestine of human…

Q: Identify the food sources of Listeria monocytogenesinfections. How does Listeria evade the immune…

A: Listeria monocytogenes is a pathogenic bacteria that is capable of causing an infection known as…

Q: What are unique features in the epidemiology of E. coli O157:H7(STEC)?

A: Features of E.coli 0157:H7 It grows in moderate temperature condition thus they are MESOPHILIC.…

Q: How does Salmonella typhimurium avoid being killed by phagocytes.

A: Salmonella manipulates inflammatory pathways and the autophagy process.  Salmonella evades the…

Q: What is the difference between food infection and foodintoxication? Into which category does…

A: Introduction  Microbes can inhabit wide range of habitat. They can be found in extreme conditions…

Q: How staphylococcus capitis differ from streptococcus salivarius?

A: Staphylococcus capitis is part of the normal flora of the human skin.  It is associated with…

Q: Is Saccharomyces boulardii safe?

A: Saccharomyces boulardii is a tropical species of yeast first isolated from lychee and mangosteen…

Q: Is meticillin-resistant Staphylococcus hospital-acquired infection? aureus (MRSA) the only major

A: Introduction - Staphylococcus aureus is a Gram-positive, round-shaped bacterium that belongs to the…

Q: explain the parasite listeria monocytogenes and listeriosis and how to minimize this disease. please…

A: Answer: PARASITE = These are microorganisms which prey the other microorganism for their live and…

Q: What precautions can be taken to prevent rickettsial infections?

A: Rickettsial diseases and related contaminations, (for example, anaplasmosis, ehrlichiosis, and Q…

Q: What is the gram reaction, oxygen requirement, size, incubation period and number of days being…

A: Mucormycosis represents a group of life-threatening infections caused by fungi of the order…

Q: Is staphylococcus epidermis an enteric pathogen?

A: Enteric pathogens are the pathogens of the intestines. These are usually bacteria.

Q: Why are staphylococci well suited for the colonization of skin?

A: Staphylococcus is a gram positive bacteria. Bacteria are microscopic single-celled prokaryotes that…

Q: What are the major virulence factors of Bacillus anthracis?

A: Bacteria are prokaryotic organisms that have an undefined nucleus and nuclear membrane. Most of the…

Q: How do Koch’s postulates ensure that cause and effect of agiven disease are clearly differentiated?

A: Robot Koch was a famous microbiologist as he studied several bacterial diseases. His postulates…

Q: How does Clostridium Perfringens contribute to the virulence of the pathogens, and give one specific…

A: Food contaminated by the bacterium Clostridium perfringens causes food poisoning. It is responsible…

Q: Which streptococci are implicated in the development of dental caries? What is the mechanism of…

A: Dental caries is also known as tooth decay. Caries cause the hole in a tooth and called as a cavity.…

Q: What medical conditions commonly predispose patients to m ycotic infection?

A: Conditions that predispose patients to any of the opportunistic fungal pathogens are as follows:…

Q: What is the normal habitat of Staphylococcus aureus? Howdoes S. aureus spread from person to person?

A: Staphylococcus aureus is a Gram-positive, round-shaped bacterium that is a member of the Firmicutes.…

Reproductive system infection

The biological process through which parents produce new children is called reproduction. A reproductive system is a group of internal and external organs that collaborate to allow males and females to reproduce. Many experts believe that the reproductive system is one of the most important systems in the body due to its crucial function in the survival of the species. Among the body's basic systems, the reproductive tract is the one that differs the most between sexes, and it is also the only one that does not operate until puberty.