What is OUP-mediated translation initiation? Find out @ nature.com/articles/s41467-0…. Fantastic work driven by our dynamic PDRA:PhD duo. @OJ_Bryant and Filip Lastovka, @TranslatingRNA @CamPathology

#TansleyReview RNA elements and their biotechnological applications in plants Lastovka et al. @TranslatingRNA @Lomonossoff_Lab @HadrienPeyret 📖 nph.onlinelibrary.wiley.com/…

Funded 4 year #PhD opportunity! Explore how bacteria control protein synthesis in unexpected ways 🧬🦠 Start: January 2026| location UofCambridge. Apply now: findaphd.com/phds/project/fu…

Moving to bcy23 @translatingrna.bsky.social please contact me there :-)

Are you fascinated by how pathogens hijack host cells to make proteins and establish infection? Join us at Chung Lab @TranslatingRNA for a fully-funded 4-year PhD! @CamPathology and @Cambridge_Uni. Apply now: jobs.cam.ac.uk/job/48957/ findaphd.com/phds/project/fu…

10th century incense recipe found in @ParkerLibCCCC, colleagues/students from @CorpusCambridge made it, in chapel, giving @MattBullimore something special for year ahead. Reminds me how cool/bizarre it can be to work at a 650 year old institution 😅 bbc.co.uk/news/articles/cx2k…

🚨 SAVE-the-DATE 🚨 International Advances in Plant Virology 2025 (IAPV25) 📅 April 8-11 2025, Murcia 🇪🇸 In collab w @virtigation @Euphresco 🕸️ cvent.me/mNNvzA

Check out our latest paper where we identify a new C-terminal export signal in flagellar Type III secretion substrates which provides further evidence against a subunit capture/chain mechanism for flagellar assembly. doi.org/10.1128/mbio.03067-2…

Check out our new paper @ nature.com/articles/s41467-0… from my time working in the fantastic Chung lab @TranslatingRNA. Also check out our "Behind the Paper" post go.nature.com/3GCnE09. @ Filip Lastovka, @TranslatingRNA, @CamPathology, @OJ_Bryant. More to come from us soon!

We are very pleased to invite applications for an exciting new position of Professor of Synthetic Biology or Engineering Biology. Come and work with us and our @EngBioIRC group to build bridges across @Cambridge_Uni. More details here: jobs.cam.ac.uk/job/43556/

Evolution's secret to C4 photosynthesis also includes translation! 🌱 Our work reveals how translational control of photosynthesis genes adapts to light in C3 rice and C4 sorghum. @CRAGENOMICA @jmhibber @TranslatingRNA @Thepallavisingh @TinaSchreier biorxiv.org/content/10.1101/…

Fantastic end to Experience Postgrad Life Sciences 2023- 8wk paid internship in Cambridge for aspiring scientists. Breathtakingly gd presentations from our interns & dinner @ Corpus Christi College. @JanetDeaneLab @jrkumita @FlorianMerkle @Cambridge_SBS @IMS_MRL @TranslatingRNA

I'm recruiting a NIH funded postdoc to investigate circRNAs in virus infection! RTs appreciated! jobs.ac.uk/job/CSK115/resear…

Day 30 of great biology papers. 🎆The final day.🎆 "General Nature of the Genetic Code for Proteins," by F. Crick, S. Brenner, L. Barnett & R.J. Watts-Tobin (1961). This paper is, in my opinion, the most impressive in the history of molecular biology. Here's why... **** When the structure of DNA was solved in 1953, molecular biology was a relatively barren landscape. By that, I mean that messenger RNA had not yet been discovered, nobody was quite sure whether there was any link between DNA and proteins, and there were zero technologies to isolate a gene, let alone sequence one. And yet, just 8 years after that seminal paper, these four scientists used a simple experiment — and fragmentary evidence — to correctly determine that... 1. Each amino acid in a protein is encoded by a triplet code... 2. The letters in this code do not overlap (e.g. AUGACC is read by the ribosome as 'AUG' and 'ACC,' rather than 'AUG,' 'UGA,' 'GAC' etc.)... 3. There is a start codon. Again, they discovered all of these things in the absence of tools to sequence DNA, or to compare a DNA sequence with a protein's amino acids. But before I tell you how they did it, I want to set the scene. The year 1961 was, essentially, the annus mirabilis for molecular biology: - In May, two separate groups reported that they had isolated and proved the existence of messenger RNA, and they postulated that it probably carried information from DNA to proteins. - Jacob and Monod argued that there are two types of genes: Those that encode proteins, and others that regulate gene expression. - Marshall Nirenberg showed that a chain of RNA containing the letters "UUUUUUUUUUUU" encoded a protein filled with phenylalanine amino acids, thus demonstrating a profound, initial insight into the genetic code. (See the excellent review by Matthew Cobb: onlinelibrary.wiley.com/doi/…) With these prior experiments in mind, Brenner, Barnett, Crick, and Watts-Tobin set out to understand how, exactly, the genetic code works. Their experiments began with a bacteriophage that infects bacteria, called T4. When these bacteriophage are doused with mutagens, and their genetic material is altered, they sometimes lose their ability to infect bacteria. Now, there is also a dye, called acridine, that causes single nucleotides to be added or deleted from a piece of DNA. This is quite important, because most other mutagens just randomly change sections of DNA. But acridine always adds or removes just one nucleotide. So Crick put these two things together and had a brilliant idea. He took a T4 bacteriophage, exposed it to acridine, and found that it had lost its ability to infect E. coli. This strain was called FC0 — Francis Crick Zero. But then, he (and the others) used acridine to add or remove more letters in the bacteriophage DNA until it regained its ability to infect bacteria. If they added one base and then removed one base, the phage infected the bacteria. If they added two bases, the phage did not infect bacteria. If they added three bases, the phage infected bacteria. From these observations, they argued that the genetic code must use triplets to encode each amino acid. It was a brilliant takeaway, based on partial experimental evidence. From the paper: "The simplest postulate to make is that the shift of the reading frame produces some triplets the reading of which is ‘unacceptable’; for example, they may be ‘nonsense’, or stand for ‘end the chain’, or be unacceptable in some other way to the complications of protein structure." Even though the "combination of mutations strongly suggested that the code was based on units of three bases, the experiments could not prove that to be the case – a code using groups of six bases was consistent with the results," writes Cobb in his review. "This, however, would raise all sorts of problems by massively increasing the number of either meaningless or degenerate sequences (there would be 4096 possible combinations of bases, rather than a mere 64). As Crick later put it, this was 'hardly likely to be taken seriously.'" In his classic book on the history of molecular biology, The Eighth Day of Creation, Horace Judson called this experiment, "a classic of intellectual clarity, precision and rigour." And I agree. Thanks for reading this series! Paper: nature.com/articles/1921227a… Full text: labs.bio.unc.edu/Goldstein/1…

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