Gram-stained bacteria C016 / 7500
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Gram-stained bacteria C016 / 7500
Gram-stained bacteria. Computer artwork showing gram-positive (blue) and gram-negative (red) bacteria. Gram-positive bacteria are those that are stained dark blue or violet by Gram staining, whereas gram-negative bacteria, which cannot retain the crystal violet stain, instead take up the counterstain (safranin or fuchsine) and appear red or pink. Gram-positive organisms are able to retain the crystal violet stain because of the thick peptidoglycan layer (blue, right). Because gram-negative bacteria have thin, insignificant peptidoglycan layers (red, left) they cannot retain the stain
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9245061
© HANS-ULRICH OSTERWALDER/SCIENCE PHOTO LIBRARY
Bacteria Bacterial Bacteriological Bacteriology Bacterium Comparing Comparison Gram Negative Gram Positive Layers Micro Organism Micro Organisms Microbiology Microorganism Microorganisms Stained Staining Biochemical Biochemistry Cutouts Microbiological
EDITORS COMMENTS
This print showcases the intricate world of bacteria through a stunning computer artwork. The image, titled "Gram-stained bacteria C016 / 7500" presents a visual representation of gram-positive and gram-negative bacteria. In this mesmerizing illustration, we witness the stark contrast between these two types of microorganisms. The blue hues elegantly depict the gram-positive bacteria, which are stained dark blue or violet during Gram staining. This phenomenon occurs due to their thick peptidoglycan layer that enables them to retain the crystal violet stain. On the other hand, the red shades symbolize gram-negative bacteria that cannot hold onto this stain but instead take up a counterstain (safranin or fuchsine), appearing red or pink in color. Through this artwork, we gain insight into the biochemical differences between these bacterial groups. The thin and insignificant peptidoglycan layers of gram-negative organisms are represented by vibrant red on the left side of the image, while on the right side, we observe how thick peptidoglycan layers allow for retention of stains in gram-positive organisms. With its white background and meticulous detailing, this illustration serves as an invaluable resource for bacteriology enthusiasts and researchers alike. It offers a unique opportunity to compare and study different bacterial species at a microscopic level while appreciating their diverse biological characteristics within microbiology's vast realm.
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