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Scientists have discovered the missing genes and enzyme that tobacco plants use to synthesize nicotine, solving a 200-year-old mystery. The finding could enable safer biotech production of medicines and vaccines using tobacco plants without nicotine contamination.
The article explains the biochemical mechanism of GLP-1 agonists, including the new drug retatrutide, and how they regulate appetite and energy metabolism by mimicking natural hormones.
OpenAI releases GPT-Rosalind, a specialized life sciences model optimized for protein reasoning, chemical analysis, genomics, and scientific workflows.