Enterobacteriaceae

This SEM depicts a P. mirabilis (ATCC 29906) biofilm growing on PC (polycarbonate) coupons using a CDC biofilm reactor.Created: 2003

Under a high magnification of 10000X, this colorized scanning electron micrograph (SEM) revealed the presence of four Gram-negative Salmonella typhimurium bacteria, that had been isolated from a pure culture. See PHIL 10976 for a black and white version of this image.How do people catch Salmonella??Salmonella live in the intestinal tracts of humans and other animals, including birds. Salmonella are usually transmitted to humans by eating foods contaminated with animal feces. Contaminated foods usually look and smell normal. Contaminated foods are often of animal origin, such as beef, poultry, milk, or eggs, but any food, including vegetables, may become contaminated. Thorough cooking kills Salmonella. Food may also become contaminated by the hands of an infected food handler who did not wash hands with soap after using the bathroom.Created: 2009

This SEM depicts a P. mirabilis (ATCC 29906) biofilm growing on PC (polycarbonate) coupons using a CDC biofilm reactor.Created: 2003

Under a high magnification of 10000X, this scanning electron micrograph (SEM) revealed the presence of four Gram-negative Salmonella typhimurium bacteria, that had been isolated from a pure culture. See PHIL 10977 for a colorized version of this image.How do people catch Salmonella??Salmonella live in the intestinal tracts of humans and other animals, including birds. Salmonella are usually transmitted to humans by eating foods contaminated with animal feces. Contaminated foods usually look and smell normal. Contaminated foods are often of animal origin, such as beef, poultry, milk, or eggs, but any food, including vegetables, may become contaminated. Thorough cooking kills Salmonella. Food may also become contaminated by the hands of an infected food handler who did not wash hands with soap after using the bathroom.Created: 2009

This SEM depicts a P. mirabilis (ATCC 29906) biofilm growing on PC (polycarbonate) coupons using a CDC biofilm reactor.Created: 2003

Under a moderate magnification of 5000X, this scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria, that had been isolated from a pure culture. See PHIL 10975 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009

This SEM depicts a P. mirabilis (ATCC 29906) biofilm growing on PC (polycarbonate) coupons using a CDC biofilm reactor.Created: 2003

Under a very high magnification of 15000X, this colorized scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria, which had been grown in a pure culture. See PHIL 10973 for a black and white version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009

This SEM depicts a P. mirabilis (ATCC 29906) biofilm growing on PC (polycarbonate) coupons using a CDC biofilm reactor.Created: 2003

Under a high magnification of 12000X, this colorized scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria, which had been grown in a pure culture. See PHIL 10970 for a black and white version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009

This SEM depicts a P. mirabilis (ATCC 29906) biofilm growing on PC (polycarbonate) coupons using a CDC biofilm reactor.Created:

Under a magnification of 5000X, this colorized scanning electron micrograph (SEM) revealed the presence of numbers of clustered Gram-negative Salmonella typhimurium bacteria that were isolated from what was a pure culture specimen. See PHIL 10968 for a black and white version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009

This low-mag SEM reveals surface irregularities in a biofilm coupon growing a 24hr biofilm of P. mirabilis (ATCC 29906).Created: 2003

This photograph depicts the colonial growth pattern displayed by Salmonella typhimurium bacteria cultured on a Hektoen enteric (HE) agar medium; S. typhimurium colonies grown on HE agar are blue-green in color, for this organism is a lactose non-fermenter, but it does produce hydrogen sulfide, (H2S), therefore there can be black-colored deposits present.Created: 1976

This low-mag SEM shows surface irregularities in biofilm culture material (polycarbonate) growing P. mirabilis bacteria.Created:

Under a very high magnification of 25000X, this scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium, which was imaged right at the point where it was undergoing the process of cell division, resulting in the formation of two separate organisms. This dividing bacterium had been isolated from a pure culture. See PHIL 10995 for a colorized version of this image.Created: 2008

Proteus mirabilis. Dienes's reaction.Created: 1975

Under a very high magnification of 15000X, this colorized scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium, which was imaged right at the point where it was undergoing the process of cell division, resulting in the formation of two separate organisms. This dividing bacterium had been isolated from a pure culture. See PHIL 10992 for a black and white version of this image.Created:

Scanning Electron Micrograph of a Flea. See PHIL 11436 for a colorized version of this image.Created:

Under a very high magnification of 15000X, this scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium, which was imaged right at the point where it was undergoing the process of cell division, resulting in the formation of two separate organisms. This dividing bacterium had been isolated from a pure culture. See PHIL 10993 for a colorized version of this image.Created: 2009

This image depicts a Petri dish containing a sheep’s blood agar (SBA) medium, which had been inoculated with Gram-negative Yersinia pestis bacteria. Y. pestis is the pathogen responsible for causing human plague. This was the appearance of the colonial growth after 96 hours of incubation at 25º C.People usually get plague from being bitten by a rodent flea that is carrying the plague bacterium or by handling an infected animal. Millions of people in Europe died from plague in the Middle Ages, when human homes and places of work were inhabited by flea-infested rats. Today, modern antibiotics are effective against plague, but if an infected person is not treated promptly, the disease is likely to cause illness or death.Created: 2009

Under a very high magnification of 20000X, this scanning electron micrograph (SEM) revealed the presence of a single Gram-negative Salmonella typhimurium bacterium that had been isolated from a pure culture. See PHIL 10991 for a colorized version of this image.What sort of germ is Salmonella?Salmonella is actually a group of bacteria that can cause diarrheal illness in humans. They are microscopic living creatures that pass from the feces of people or animals to other people or other animals. There are many different kinds of Salmonella bacteria. Salmonella serotype Typhimurium and Salmonella serotype Enteritidis are the most common in the United States. Salmonella germs have been known to cause illness for over 100 years. They were discovered by an American scientist named Salmon, for whom they are named.Created: 2009

This image depicts a Petri dish containing a sheep’s blood agar (SBA) medium, which had been inoculated with Gram-negative Yersinia pestis bacteria. Y. pestis is the pathogen responsible for causing human plague. This was the appearance of the colonial growth after 72 hours of incubation at 37º C.People usually get plague from being bitten by a rodent flea that is carrying the plague bacterium or by handling an infected animal. Millions of people in Europe died from plague in the Middle Ages, when human homes and places of work were inhabited by flea-infested rats. Today, modern antibiotics are effective against plague, but if an infected person is not treated promptly, the disease is likely to cause illness or death.Created: 2009

Under a moderately-high magnification of 8000X, this scanning electron micrograph (SEM) revealed the presence of a grouping of Gram-negative Salmonella typhimurium bacteria that had been isolated from a pure culture. See PHIL 10989 for a colorized version of this image.How do people catch Salmonella?Created: 2009