Colour TEM of genetically-altered E. coli bacteria
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Colour TEM of genetically-altered E. coli bacteria
Genetically-altered bacteria. Coloured Trans- mission Electron Micrograph (TEM) of Escherichia coli bacteria which have been genetically engin- eered to produce human insulin. Diabetics need insulin to control their blood sugar level. The bacteria are mostly magenta, whilst their insulin- production sites are orange. E. coli is a normal inhabitant of the human gut. Genetic material can be inserted into E. coli using viruses or special strands (plasmids) of genetic material. The new genes alter the behaviour of the bacteria, and are passed on to their offspring. The bacteria are raised in a culture and pure insulin is extracted from them. Magnification: x4000 at 35mm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6392167
© VOLKER STEGER/SCIENCE PHOTO LIBRARY
Bacteria Bio Technology Ecoli Escherichia Coli Genetic Engineering Insulin Insulin Production Recombinant Synthesis Bio Chemistry Genetics
EDITORS COMMENTS
This print showcases the intricate world of genetically-altered E. coli bacteria, a breakthrough in the field of genetic engineering. The image, captured using Coloured Transmission Electron Micrograph (TEM) technology, reveals Escherichia coli bacteria that have been specifically engineered to produce human insulin. Insulin plays a crucial role in managing blood sugar levels for individuals with diabetes, and this innovative approach offers hope for more efficient insulin production. In this mesmerizing composition, the majority of the bacteria appear in a striking magenta hue, while their insulin-production sites stand out in vibrant orange. Escherichia coli is commonly found within the human gut as part of its natural microbial community. However, through sophisticated techniques involving viruses or specialized strands called plasmids containing genetic material, scientists are able to insert new genes into these bacteria. These modified genes then alter the behavior of E. coli and can be passed down to future generations. To harness their potential as miniature factories for insulin synthesis, these genetically-altered E. coli are cultivated under controlled conditions. From this culture emerges pure insulin that can be extracted and utilized by those who rely on it for managing their diabetes. With an impressive magnification level of x4000 at 35mm size, this photograph from Science Photo Library provides a glimpse into the fascinating realm where biochemistry intersects with genetics and biotechnology. It serves as a testament to humanity's relentless pursuit of scientific progress and our ability to manipulate nature's building blocks for medical advancements without mentioning any
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