Pathogenic Collection (page 28)

Pathogenic microorganisms are microscopic entities that pose a significant threat to human health

Pathogenic Collection: Trichophyton fungus, SEM

Trichophyton fungus, SEM
Trichophyton fungus. Coloured scanning electron micrograph (SEM) of a dermatophyte fungus belonging to the genus Trichophyton

MRSA. Graphic displaying MRSA surrounded by shapes representing bacteria. MRSA stands for methicillin-resistant Staphylococcus aureus. MRSA is a gram-positive, round (coccus) bacterium

Pathogenic Collection: MRSA bacteria, TEM

MRSA bacteria, TEM
MRSA bacteria. Coloured transmission electron micrograph (TEM) of methicillin-resistant Staphylococcus aureus (MRSA), a gram-positive, round (coccus) bacterium

Pathogenic Collection: Staphylococcus aureus bacteria, SEM

Staphylococcus aureus bacteria, SEM
Staphylococcus aureus bacteria, coloured scanning electron micrograph (SEM). These Gram-positive cocci (round) are found on the skin and mucous membranes of humans and many animals

Pathogenic Collection: Fungal spores, SEM

Fungal spores, SEM
Fungal spores. Coloured scanning electron micrograph (SEM) of fungal spores on a fruiting body of an Aspergillus sp. fungus. The name for such a fruiting body is a conidiophore

Pathogenic Collection: Streptococcus pneumoniae bacteria, SEM

Streptococcus pneumoniae bacteria, SEM
Streptococcus pneumoniae, coloured scanning electron micrograph (SEM). S. pneumoniae are oval, Gram-positive bacteria. They are part of the normal human bacterial flora

Pathogenic Collection: Streptococcus bacteria, SEM

Streptococcus bacteria, SEM
Streptococcus bacteria. Coloured scanning electron micrograph (SEM) of Streptococcus sp. bacteria. Streptococci are round Gram-positive bacteria

Pathogenic Collection: Norwalk viral infection, artwork

Norwalk viral infection, artwork
Norwalk viral infection. Conceptual computer artwork of infection of the gut (pink) by the norwalk virus, seen in a drop of water at lower right

Virus, artwork
Virus, computer artwork. Viruses contain a core of genetic material, either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) surrounded by a protein coat, or capsid

Pathogenic Collection: Virus particles, conceptual artwork

Virus particles, conceptual artwork
Virus particles, conceptual computer artwork. Viruses contain a core of genetic material, either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) surrounded by a protein coat, or capsid

Pathogenic Collection: Poliovirus particles, TEM

Poliovirus particles, TEM
Poliovirus particles. Coloured transmissionelectron micrograph (TEM) of poliovirus particles.Each virus consists of a protein coat (capsid)surrounding a core of RNA (ribonucleicacid)

Pathogenic Collection: Proteus vulgaris bacterium, TEM

Proteus vulgaris bacterium, TEM
Proteus vulgaris bacterium, colouredtransmission electron micrograph (TEM). The yellowthreads are flagella, hair-like structures thatthe bacterium beats for motility

Pathogenic Collection: Oral bacteria, TEM

Oral bacteria, TEM
Oral bacteria. Computer-enhanced colouredtransmission electron micrograph (TEM) of Porphyromonas gingivalis bacteria (formerlynamed Bacteroides gingivalis )

Pathogenic Collection: Helicobacter pylori bacteria in stomach

Helicobacter pylori bacteria in stomach
Helicobacter pylori bacteria. Colouredscanning electron micrograph (SEM) of Helicobacter pylori bacteria (pink), a causeof gastritis (stomach lining inflammation)

Pathogenic Collection: Listeria monocytogenes bacteria, TEM

Listeria monocytogenes bacteria, TEM
Listeria bacteria. Coloured transmissionelectron micrograph (TEM) of a Listeria monocytogenes bacterium (centre to bottomright). It is dividing by a process of unequalcell growth known as budding

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Pathogenic microorganisms are microscopic entities that pose a significant threat to human health. From budding yeast cells to avian flu viruses, these tiny organisms have the potential to cause widespread diseases and infections. In the world of pathogens, the avian flu virus stands out as one of the most notorious culprits. Its ability to jump from birds to humans has sparked global concerns about pandemics and led scientists on a quest for effective prevention strategies. Neutrophils, our body's first line of defense against infection, play a crucial role in engulfing harmful bacteria like MRSA (methicillin-resistant Staphylococcus aureus). This SEM image captures this incredible process, showcasing how neutrophils work tirelessly to protect us from pathogenic invaders. Salmonella bacteria are another well-known pathogen responsible for causing foodborne illnesses worldwide. This SEM image provides an up-close look at their unique structure and highlights their capacity for survival in various environments. The HIV particle is infamous for its devastating impact on the immune system. Understanding its intricate structure has been instrumental in developing antiretroviral therapies that help manage this deadly virus. Anthrax cultures depicted in historical diagrams remind us of past outbreaks and highlight the importance of ongoing research into preventing bioterrorism threats associated with this highly infectious disease. Norovirus particles captured through TEM imaging reveal their distinctive shape and shed light on why they are so contagious. Responsible for many cases of gastroenteritis, noroviruses can spread rapidly within communities if proper hygiene measures aren't followed diligently. Tuberculosis bacteria continue to be a major global health concern due to their ability to infect millions each year. Efforts towards improved diagnostics and treatment options remain critical in combating this persistent pathogen. E. coli bacteria serve as both harmless inhabitants of our gut flora but also dangerous pathogens when certain strains acquire virulence factors. This diverse bacterium reminds us that not all E. coli strains are created equal.