Micro Biology Collection

Budding yeast cell. Computer artwork of asection through a yeast ( Candida albicans )cell that is reproducing asexually. A daughtercell (top left) is budding from the parent cell

Sleeping sickness parasite
Sleeping sickness. Artwork of a trypanosome (Trypanosoma brucei) moving past human red blood cells in the blood. This protozoan is the cause of sleeping sickness (African trypanosomiasis)

Avian flu virus, computer artwork. A virus is a tiny pathogenic particle comprising genetic material enclosed in a protein coat. The coat contains surface proteins (spikes)

Salmonella bacteria, SEM
Salmonella bacteria, coloured scanning electron micrograph (SEM). These Gram-negative rod-shaped bacteria can cause food poisoning when eaten in contaminated food

Acrosphaera radiolarian, SEM
Acrosphaera radiolarian. Coloured scanning electron micrograph (SEM) of the shell of a Acrosphaera sp. radiolarian. Radiolaria are single-celled protozoans that are found in marine plankton

Calcareous phytoplankton, SEM
Calcareous phytoplankton. Coloured scanning electron micrograph (SEM) of the external mineralised structures (coccospheres) of small marine algal organisms called coccolithophores

Anthrax cultures, historical diagram
Anthrax cultures. 1876 diagram of Bacillus anthracis (Anthrax) bacteria cultured by Robert Koch. Along with Louis Pasteur, Koch is considered the founder of modern medical bacteriology

Salmonella bacteria, SEM
Salmonella bacteria, coloured scanning electron micrograph (SEM). Each rod-shaped structure is an individual bacterium. These bacteria occur mainly in human and animal intestines

Diatom, SEM
Diatom. Coloured scanning electron micrograph (SEM) of the Arachnoidiscus sp. diatom. The diatoms are a group of photosynthetic, single- celled algae containing about 10, 000 species

Diatom, SEM
Diatom. Coloured scanning electron micrograph (SEM) of a Stephanopyxis sp. diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species

E. coli bacteria, SEM
E. coli bacteria. Coloured scanning electron micrograph (SEM) of Escherichia coli bacteria. These bacteria are a normal part of the intestinal flora in humans and other animals

Diatom, SEM
Diatom. Coloured scanning electron micrograph (SEM) of a Triceratium morlandii diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species

PSCI2A-00015
Louis Pasteur in his laboratory. Hand-colored photogravure of an illustration by Albert Edelfelt

Herpes virus replicating, computer artwork.Viruses are only able to replicate in a host cell.The glycoprotein spikes in the virus envelope(green)

Embryonic stem cell and needle, SEM
Embryonic stem cell and needle. Coloured scanning electron micrograph (SEM) of an embryonic stem cell (ESC) sitting in the eye of a needle

Coloured TEM of Yersinia pestis bacteria
False colour transmission electron micrograph (SEM) of Yersinia pestis, a species of Gram negative, non- motile, capsulated

Candida fungus, SEM
Candida fungus. Coloured scanning electron micrograph (SEM) of budding threads (hyphae) of a Candida fungus. The budding areas are where asexual reproduction is producing new fungus cells

HIV particle, computer artwork. HIV (human immunodeficiency virus) causes AIDS (acquired immune deficiency syndrome). The virus consists of an RNA genome

Avian flu virus, computer artwork. A virus is a tiny pathogenic particle comprising genetic material enclosed in a protein coat. The coat contains surface proteins (spikes)

Coloured SEM of mitochondria in ovarian cells
Mitochondria. Coloured Scanning Electron Micro- graph (SEM) of mitochondria and smooth endoplasmic reticulum in an ovarian granulosa- lutein cell

Cell types, artwork
Cell types. Cutaway artwork with a scale bar (upper right, in micrometres) showing the relative sizes of eukaryotic cells (those containing a nucleus) and prokaryotic cells (those lacking a nucleus)

Cell division, fluorescent micrograph
Cell division. Immunofluorescent light micrograph of a human epithelial cell (centre) during the late anaphase stage of mitosis

Norovirus particles, TEM
Norovirus particles. Coloured transmission electron micrograph (TEM) of norovirus particles. Norovirus is a genus of RNA (ribonucleic acid)

Tuberculosis bacteria. Computer artwork of Mycobacterium tuberculosis bacteria. These Gram- positive rod-shaped bacteria cause the disease tuberculosis

Pseudomonas aeruginosa bacteria, SEM
Pseudomonas aeruginosa bacteria, coloured scanning electron micrograph (SEM). These Gram-negative rod-shaped bacteria are found in soil and water, and as normal flora in the human intestine

Spiral spore chain of Streptomyces bacteria

Dividing yeast cells, SEM
Dividing yeast cells. Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast cells dividing. S. pombe is a single-celled fungus that is studied widely as a model organism for

Dividing yeast cells, SEM
Dividing yeast cells. Coloured scanning electron micrograph (SEM) of Schizosaccharomyces pombe yeast cells dividing. S. pombe is a single-celled fungus that is studied widely as a model organism for

Coloured TEM of a Salmonella bacterium
Salmonella sp. Coloured transmission electron micrograph (TEM) of a Salmonella sp. bacterium. The cell is rod-shaped with long hair-like flagellae

Bacteria infecting a macrophage, SEM
Bacteria infecting a macrophage. Coloured scanning electron micrograph (SEM) of Mycobacterium tuberculosis bacteria (purple) infecting a macrophage white blood cell

Flagellate bacteria. Computer artwork of a rod- shaped bacteria with polar flagella. Bacteria with a morphology similar to this include Helicobacter pylori and Salmonella sp

E. coli bacterium
Escherichia coli. Coloured transmission electron micrograph (TEM) of an Escherichia coli bacterium. E. coli are Gram-negative bacilli (rod-shaped) bacteria

E. coli bacteria
False-colour transmission electron micrograph of the bacterium Escherichia coli, a normal inhabitant of the human intestine

Pseudomonas aeruginosa bacteria, SEM
Pseudomonas aeruginosa bacteria, coloured scanning electron micrograph (SEM). These Gram-negative rod-shaped bacteria are found in soil and water, and as normal flora in the human intestine

E. coli bacterium, TEM
E. coli bacterium, coloured transmission electron micrograph (TEM). E. coli are Gram-negative rod-shaped bacteria that are part of the normal flora of the human gut

MRSA resistant Staphylococcus bacteria
MRSA: resistant Staphylococcus bacteria. Coloured transmission electron micrograph (TEM) of a deadly cluster of MRSA Staphylococcus aureus bacteria

Staphylococcus aureus bacteria
Staphylococcus aureus. Coloured Scanning Electron Micrograph (SEM) of Staphylococcus aureus bacteria. These Gram-positive bacteria cause skin infections

E. coli bacteria, SEM
E. coli bacteria. Coloured scanning electron micrograph (SEM) of Escherichia coli bacteria (purple) taken from the small intestine of a child. E

Hepatitis B viruses
Hepatitis B virus. Coloured transmission electron micrograph (TEM) of hepatitis B viruses (circles), a cause of liver inflammation

Louis Pasteur, French microbiologist
Louis Pasteur (1822-1895), French microbiologist and chemist. Louis Pasteur proved the germ theory of disease, which holds that germs attack the body from the outside

Macrophage engulfing TB bacteria, SEM
Macrophage engulfing TB bacteria. Coloured scanning electron micrograph (SEM) of a macrophage white blood cell (purple) engulfing a tuberculosis (Mycobacterium tuberculosis) bacterium (pink)

Coronavirus particles, TEM
Coronavirus particles. Coloured transmission electron micrograph (TEM) of three coronavirus particles. Different strains of coronavirus are responsible for diseases such as the common cold

Pasteurs Jubilee celebrations, 1892
Pasteurs Jubilee celebrations. Artwork of British surgeon Joseph Lister (in gown, walking up steps, 1827-1912) and French chemist Louis Pasteur (being approached by Lister)

Diatom frustule, SEM
Diatom frustule. Coloured scanning electron micrograph (SEM) of the frustule of a Pinnularia sp. diatom. The diatoms are a group of photosynthetic, single-celled algae containing about 10

Seed shrimp, light micrograph
Seed shrimp. Light micrograph of a seed shrimp (Cyclocypris sp.). The body of this freshwater crustacean is enclosed in two shells, which it can open and close using a special muscle

Phagocytosis of fungal spores, SEM
Phagocytosis of a fungus spore. Coloured scanning electron micrograph (SEM) of a neutrophil (blue) phagocytosing (engulfing and destroying) spores from the fungus Aspergillus fumigatus (red)

Hepatitis B viruses

Neutrophil cell trapping bacteria, SEM
Neutrophil cell trapping bacteria. Coloured scanning electron micrograph (SEM) of bacteria (rod-shaped) being trapped by a neutrophil cell

Influenza virus, computer artwork
Influenza virus. Computer artwork of an influenza (flu) virus. The virus consists of a core of RNA (ribonucleic acid) genetic material surrounded by a protein coat

Immunofluorescent LM of fibroblast cell nuclei
Cell nuclei. Immunofluorescent light micrograph of cultured fibroblast cells showing nuclei with " nucleolar necklaces"

Mycobacterium chelonae bacteria, SEM
Mycobacterium chelonae bacteria, coloured scanning electron micrograph (SEM). These Gram-positive rod-shaped bacteria are found in soil and water

Microbiology caricature, 19th century
Microbiology caricature. The researcher is handling jars labelled as bacterial cultures, while the magnified view at left shows a caricatured appearance of microbes as seen under a microscope

Influenza virus particles, TEM
Influenza virus particles, coloured transmission electron micrograph (TEM). This virus is the cause of the respiratory disease influenza (flu) in humans and other animals

Hepatitis C viruses, TEM
Hepatitis C viruses. Coloured transmission electron micrograph (TEM) of hepatitis C virus particles (green) infecting cultured liver cells (purple)

E. coli bacterium, TEM
E. coli bacterium. Coloured transmission electron micrograph (TEM) of an Escherichia coli bacterium in the early stages of binary fission, the process by which the bacterium divides

Cell division, fluorescent micrograph
Cell division. Immunofluorescent light micrograph of a human epithelial cell (centre) during the interphase stage of mitosis

Louis Pasteur, French microbiologist
Louis Pasteur (1822-1895), French microbiologist and chemist, in his laboratory. Louis Pasteur proved the germ theory of disease, which holds that germs attack the body from the outside

Cyanobacteria, SEM
Cyanobacteria. Coloured scanning electron micrograph (SEM) of cyanobacteria (formally known as blue-green algae, blue). Several spores (pink) are also seen

Dinoflagellate plankton, SEM
Dinoflagellate plankton. Coloured scanning electron micrograph (SEM) of the calcareous (calcium-based) test (shell) of a dinoflagellate Calciodinellum sp

Cholera bacteria, artwork
Cholera bacteria. Artwork of Vibrio cholerae bacteria in the small intestine. These Gram-negative rod-shaped bacteria have a single polar flagellum (tail-like structure)

Bacteria infecting a macrophage, SEM
Bacteria infecting a macrophage. Coloured scanning electron micrograph (SEM) of Mycobacterium tuberculosis bacteria (purple) infecting a macrophage white blood cell

Pseudomonas aeruginosa bacteria, SEM
Pseudomonas aeruginosa bacteria, coloured scanning electron micrograph (SEM). These Gram-negative rod-shaped bacteria are found in soil and water, and as normal flora in the human intestine

Adenovirus, artwork
Adenovirus. Computer artwork of an adenovirus, showing the surface structure of the viruss outer protein coat (capsid). Adenoviruses are known to infect humans

TEM of Lambda bacteriophages

Salmonella culture
MODEL RELEASED. Salmonella culture. Microbiologist holding a petri dish containing a culture of Salmonella sp. bacteria. These bacteria are the cause of salmonellosis (food poisoning) in humans

Mouse malaria parasite, SEM
Mouse malaria parasite. Coloured scanning electron micrograph (SEM) of a Plasmodium berghei protozoan (yellow) and red blood cells. P. berghei is the parasite that causes malaria in mice

Rift Valley fever virus, TEM

Vesicular stomatitis virus, TEM
Vesicular stomatitis virus. Coloured transmission electron micrograph (TEM) of vesicular stomatitis virus (VSV) particles (blue) budding from a host cell (red)

Paramyxovirus particles, TEM
Sendai virus. Coloured transmission electron micrograph (TEM) of Sendai virus particles (virions, orange). The protein coat (capsid) of one of the particles has split

Self-replicating nanobots, artwork
Self-replicating nanobots, conceptual computer artwork

Frozen sperm, conceptual image. Computer artwork of sperm cells frozen inside a block of ice, representing the long term preservation of donated sperm to be used in fertility treatments

Vinegar production, 19th century cutaway artwork. This is a trickling method developed in 1823 by the German chemist Schutzenbach. The barrel is divided into three sections

Rotavirus particle, artwork
Rotavirus particle. Cut-away artwork showing the structure of the rotavirus icosahedral capsid (protein coat). The capsid, which encloses the RNA (ribonucleic acid) genome

E. coli 0157: H7 bacteria
E. coli 0157:H7 bacteria. Coloured scanning electron micrograph (SEM) of Escherichia coli 0157:H7 bacteria, cause of foodborne illness

Salmonella bacterium dividing, SEM
Salmonella bacterium dividing. Coloured scanning electron micrograph (SEM) of of a Salmonella bacterium dividing. The two new daughter cells are seen at upper right and lower left

False-colour TEM of Salmonella typhi

Cholera toxin, molecular model
Cholera toxin. Molecular model of the secondary structure of cholera enterotoxin (intestinal toxin). The molecule consists of two subunits, A (top) and B (bottom)

False-colour TEM of bacterium E. Coli
False colour transmission electron micrograph of the bacterium Escherichia coli, a normal member of human intestinal flora

E. coli bacterium dividing

Chains of Streptococcus pyogenes bacteria

International biohazard symbol warning of a potential biological hazard. This symbol is used worldwide in laboratories and on containers where biologically active agents are present

Phagocytosis of fungus spores, SEM
Phagocytosis of fungus spores. Coloured scanning electron micrograph (SEM) of spores from the fungus Aspergillus fumigatus (red) being phagocytosed (engulfed and destroyed) by a dendritic cell (brown)

Anton van Leeuwenhoek, caricature
Anton van Leeuwenhoek. Caricature of the Dutch microbiologist Anton van Leeuwenhoek (1632-1723), looking through a magnifying glass to represent his discoveries in microbiology

Giardia lamblia protozoa, micrograph
Giardia lamblia protozoa, light micrograph. These single-celled parasitic protozoa infect the intestinal tract and are most common in tropical regions

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Microbiology is a fascinating field that delves into the intricate world of microscopic organisms. From budding yeast cells to calcareous phytoplankton, these tiny beings hold immense importance in our ecosystem. Take a closer look through the lens of a scanning electron microscope (SEM), and you'll be amazed by their intricate structures. One such example is the avian flu virus, which can cause devastating outbreaks among bird populations. Its unique shape and composition are revealed under SEM, highlighting its potential threat to both animals and humans alike. Diatoms, another group of microorganisms, showcase stunning beauty when observed through SEM. Their delicate silica shells form intricate patterns that resemble works of art. These diatoms play a crucial role in marine ecosystems as primary producers. E. coli bacteria, often associated with foodborne illnesses, reveal their rod-shaped structure under SEM. Understanding their morphology helps scientists develop strategies to combat infections caused by this notorious bacterium. The PSCI2A-00015 embryonic stem cell captured under SEM demonstrates its incredible regenerative capabilities. This versatile cell type holds great promise for future medical advancements and treatments. Salmonella bacteria also come into focus under SEM, displaying their flagella-covered surface responsible for motility and infection transmission. Studying these pathogens aids in developing effective prevention measures against salmonellosis. Intriguingly colored TEM images unveil Yersinia pestis bacteria responsible for causing deadly diseases like bubonic plague throughout history. Unveiling their detailed structure allows researchers to better understand how they function within host organisms. Another captivating diatom species reveals itself through SEM imaging - showcasing nature's artistic side once again. These single-celled algae contribute significantly to global carbon fixation while providing habitats for countless aquatic creatures. Candida fungus captures attention with its filamentous appearance when viewed at high magnification using SEM techniques. This opportunistic pathogen can cause various infections in humans ranging from mild oral thrush to life-threatening systemic infections.