Jonathan Coxhead
@4130chromo.bsky.social
1.1K followers 690 following 500 posts
Head of #Genomics Core Facility at NCL 🧬 Single-Cell 🧬 Spatial-Transcriptomics 🧬 Next-Generation Sequencing 🧬 MTBing 🚵🏻‍♂️ Dad & Husband 👨‍👩‍👧‍👦 | ⚽🔴⚪ SAFC 🎫 | 🦋 own views.
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4130chromo.bsky.social
Impact of RNA extraction on respiratory microbiome analysis using third-generation sequencing bmcgenomics.biomedcentral.com/articles/10....
Impact of RNA extraction on respiratory microbiome analysis using third-generation sequencing - BMC Genomics
The respiratory microbiome, which comprises bacteria, fungi, and viruses, plays a crucial role in respiratory health and disease. However, its study is limited by the low microbial biomass in respiratory samples and the dominance of host RNA. Metatranscriptomics offers comprehensive insights into active microbial communities and their interactions with the host but requires optimized RNA extraction protocols for robust and unbiased analysis. This study evaluated two RNA extraction kits—one employing chemical lysis (CL) and another combining chemical and mechanical lysis (CML)—to determine their effectiveness for metatranscriptomic analysis of respiratory samples. The CML protocol significantly increased double-stranded DNA (dsDNA) library yields, leading to higher sequencing read counts for both sample types (p < 0.0001). The read length was unaffected by the lysis protocol for the BAL and NPS samples. Taxonomic profiling revealed that CML enhanced the detection of robust microorganisms, such as gram-positive bacteria and fungi, without compromising viral detection. The CML protocol demonstrated superior recovery of genetic material, particularly for fungi and gram-positive bacteria, making it better suited for comprehensive metatranscriptomic analyses. These findings underscore the need for tailored RNA extraction strategies on the basis of sample type and research objectives. Optimized metatranscriptomic protocols are pivotal for advancing our understanding of the respiratory microbiome and its role in health and disease.
bmcgenomics.biomedcentral.com
Reposted by Jonathan Coxhead
carolecadwalla.bsky.social
NEW: The British politician, his Russian intelligence handler & a Kremlin plot against the US & Ukraine.

My new piece about Nathan Gill and Nigel Farage for @thenerve_news in which we ask:

Why, even now, is no-one asking questions?

t.co/BUTtpK9C4S
4130chromo.bsky.social
Do you ring batman often 😉
Reposted by Jonathan Coxhead
theorblive.bsky.social
Buddhist Hipsters — our NEW ALBUM is here!

Listen or own it on Ltd. edition vinyl & CD: orb.lnk.to/BuddhistH

"Dreamt of an escalator from the clouds - Buddhists, hipsters & Roger Eno calling me down. Now he’s on the record with friends."

Enjoy… and welcome to the future!
4130chromo.bsky.social
The US hardly seems like the most peaceful of places, under it's current president 🤷
4130chromo.bsky.social
A brilliant set by 'The Wedding Present' at @boilershop.bsky.social tonight with @earprotectreq.bsky.social David, and Anth.

👏👏👏
4130chromo.bsky.social
Automated environmental metagenomics using Oxford nanopore sequencing bmcgenomics.biomedcentral.com/articles/10....
Automated environmental metagenomics using Oxford nanopore sequencing - BMC Genomics
Background Long-read sequencing has revolutionised metagenomics through improved metagenome assembly, taxonomic classification and functional characterisation. Automation can enhance the throughput, reproducibility, and accuracy of library preparation. However, the validation of automated library preparation protocols remains undetermined for metagenomic workflows, which are particularly sensitive to methodological perturbation. Here, we compare long-read metagenomic sequencing of environmental samples through parallel manual and automated protocols. Results Although automated library preparation led to minor reduction in read and contig lengths, taxonomic classification rate and alpha diversity was slightly higher than manual libraries, including the detection of more rare taxa. Despite this, no significant difference in microbial community structure was identified between manual and automated libraries. Conclusions Despite minor differences in sequencing and classification metrics, automated and manual library preparation resulted in comparable characterization of environmental community metagenomes. These findings demonstrate the suitability of automation for high-throughput long-read metagenomics, with broad applicability to automated long-read sequencing for improved efficiency and reproducibility.
bmcgenomics.biomedcentral.com
4130chromo.bsky.social
Well done Mhairi - another excellent Diagnostics Northeast @diagnosticsne.bsky.social conference delivered! Some great speakers and interactions, really enjoyed it 👏👏👏🧬🧬