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Amino acid sequence presented on a computer screen as one-letter codes.
Revving the Motor: Full-Length Protein Sequencing with Nanopore Technology
Jeff Nivala develops nanopore-based sequencing techniques to help advance proteomics. 
Revving the Motor: Full-Length Protein Sequencing with Nanopore Technology
Revving the Motor: Full-Length Protein Sequencing with Nanopore Technology

Jeff Nivala develops nanopore-based sequencing techniques to help advance proteomics. 

Jeff Nivala develops nanopore-based sequencing techniques to help advance proteomics. 

amino acids

A tilted LED screen showing color-coded DNA sequences.
Expanding the Genetic Alphabet
Kamal Nahas, PhD | Aug 7, 2024 | 5 min read
Synthetic biologists repurposed rarely used codons to install novel amino acids into proteins and expand the capabilities of protein engineering.
Julie Trolle and Jef Boeke
Self Sufficient Cells?
Katherine Irving | Jun 1, 2023 | 4 min read
Animal cells cannot produce 9 of the 20 amino acids they need to function. Some researchers are looking to change that.
A 3D rendering of an albumin’s protein structure.
Providing Stability In Vivo, In Vitro, and In Culture
The Scientist and MilliporeSigma | 3 min read
Albumins enable researchers to bind, sequester, and stabilize important molecules across research applications.
Histology of brain
Rare Autism-Linked Mutation Starves Growing Neurons of Essential Nutrients
Lauren Schenkman, Spectrum | Apr 18, 2023 | 4 min read
The mutation prevents certain amino acids from entering neurons, causing the cells to die early in development.
Illustration of green fluorescent bacterial cells.
Cocaine Use Creates Feedback Loop with Gut Bacteria: Mouse Study
Alejandra Manjarrez, PhD | Nov 1, 2022 | 3 min read
A jolt of norepinephrine in the mouse gut facilitates colonization by certain microbes, which in turn deplete glycine, enhancing cocaine-induced behaviors.
800x560-sept-15-2021
Using Nanopores to Sense and Sequence Proteins
The Scientist | 1 min read
Aleksei Aksimentiev and Stefan Howorka discuss challenges in amino acid sensing with nanopores and approaches to design efficient protein sequencing technology.
Illustration of blue and gray amino acids loosely forming protein
Fungal Cold Adaptation Linked to Protein Structure Changes: Study
Patience Asanga | Sep 20, 2022 | 4 min read
Environmental pressure seems to spawn changes in the intrinsically disordered regions of enzymes in polar yeasts, allowing them to adapt to extreme cold.
Artist’s rendition of bright blue microbes among intestinal lining
Study Links Depression with High Levels of an Amino Acid
Dan Robitzski | Jun 14, 2022 | 5 min read
Experiments in animals and observations in humans suggest that the amount of proline circulating in one’s plasma has a strong association with depression severity.
An illustration depicting pores on a membrane
DNA Nanopore Sequencing Adapted for Protein Sequence Comparisons
Sophie Fessl, PhD | Feb 14, 2022 | 3 min read
Researchers link a stretch of DNA to a peptide of interest and measure current changes as the molecule is pulled by a helicase through a nanopore.
Illustration of a DNA-peptide conjugate molecule being pulled through a nanopore in a membrane.
Infographic: Reading Proteins with Nanopores
Sophie Fessl, PhD | Feb 14, 2022 | 1 min read
Adapting DNA nanopore sequencing to peptides allows researchers to identify single amino acid differences.
Cracking Down on Cancer: A Profile of Owen Witte
Diana Kwon | Apr 1, 2020 | 9 min read
Through his studies on cancer-causing viruses, the University of California, Los Angeles, professor has helped develop lifesaving treatments.
Sergiu Pasca Builds Brains to Study Developmental Disease
Emily Makowski | Dec 1, 2019 | 3 min read
The Stanford University professor helped develop a technique to grow brain organoids from induced pluripotent stem cells.
Image of the Day: Fractal Formation
Emily Makowski | Nov 4, 2019 | 1 min read
A mixture of chemicals induces reactions reminiscent of life on pyrite.
Bats May Have Taken on Viruses To Stay in Flight
Ashley Yeager | Feb 22, 2018 | 2 min read
Dampening the immune response to stay up in the air may have helped bats become tolerant to viral infections.
Genes’ Composition Guides More-Optimal Diets
Ruth Williams | Jun 1, 2017 | 2 min read
Fruit flies and mice grow better and eat less when the amino acid balance of their food reflects that coded by their exomes.
A Different Way of Doing Things
Kivanç Birsoy and David M. Sabatini | Apr 1, 2016 | 10 min read
Cancer cells exhibit altered metabolic processes that may serve as promising targets for new therapies.
Metabolic Reprogramming
Kivanç Birsoy and David M. Sabatini | Mar 31, 2016 | 1 min read
How cancer cells fuel their rapid growth
Fingerprints Yield Sex Info
Karen Zusi | Nov 5, 2015 | 2 min read
The amino acids left behind in a human fingerprint can be used to determine whether an individual is male or female.
Early Code
Jef Akst | Jun 3, 2015 | 2 min read
New research points to key properties of transfer RNA molecules and amino acids that may have supported the origin of life on Earth.
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