Stack of petri dishes with bacterial cultures
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Stack of petri dishes with bacterial cultures
Bacterial cultures. View of a stack of petri dishes containing bacterial cultures. These petri dishes are filled with different coloured agar nutrient media on which bacteria are grown. Lines of bacteria can be seen growing on the two upper dishes where they were streaked. This involves running a platinum wire loop that has been placed in contact with a bacterial culture over the agar. By heating the loop, each successive set of streaked lines leaves fewer bacteria, until round colonies form around single bacteria. This technique is used to isolate particular strains of bacteria, which may then be incubated and grown in pure form
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6419264
© TEK IMAGE/SCIENCE PHOTO LIBRARY
Agar Plate Bacteria C Ulture Laboratory Equipment Micro Organism Research Nutrient Petri Dish Stack Streaking Health Care Micro Biology Microbiological
EDITORS COMMENTS
This print from Science Photo Library showcases a stack of petri dishes brimming with bacterial cultures. The vibrant array of colors in the agar nutrient media serves as an artistic backdrop for the microscopic world teeming within. As we gaze upon this still life, lines of bacteria can be observed flourishing on the top two dishes where they were expertly streaked. The technique employed to achieve these streaked lines involves a platinum wire loop that has been exposed to a bacterial culture and then carefully dragged across the agar surface. With each successive streak, fewer bacteria are left behind until round colonies eventually form around individual microorganisms. This meticulous process allows scientists to isolate specific strains of bacteria, which can then be incubated and grown in pure form for further study. In the realm of microbiology research, petri dish cultures play an indispensable role. These small yet mighty vessels provide an ideal environment for nurturing and studying microorganisms. They serve as windows into unseen worlds, enabling researchers to unravel mysteries surrounding health care, medicine, and various scientific disciplines. As we contemplate this mesmerizing image captured by Science Photo Library, it reminds us of the intricate beauty found within even the tiniest organisms that shape our understanding of life itself.
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