Changzhi Wang
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czwang.bsky.social
Changzhi Wang
@czwang.bsky.social
A bioinformatic PhD. Working on waterborne pathogen+AMR in the group lead by Peiying Hong. Personal page: https://chiongchih.github.io/. All views on my own.
Reposted by Changzhi Wang
A student just shared this with me and it is AWESOME hadley.github.io/genzplyr/
dplyr but make it bussin fr fr no cap
`genzplyr` is an alternative syntax for `dplyr` that replaces boring old function names with GenZ slang. Your data wrangling is about to hit different.
hadley.github.io
December 11, 2025 at 9:23 PM
Reposted by Changzhi Wang
@prczhaoyansong.bsky.social’s deep dive into the dark matter of compost communities is now out 🎉 Genomic islands hijack jumbo phages—whose capsids enable transfer of large tracts of DNA—shedding new light on the scale & scope of phage-mediated gene flow 😎

www.pnas.org/doi/10.1073/...
Jumbo phage–mediated transduction of genomic islands | PNAS
Bacteria acquire new genes by horizontal gene transfer, typically mediated by mobile genetic elements (MGEs). While plasmids, bacteriophages, and c...
www.pnas.org
October 28, 2025 at 6:36 PM
Reposted by Changzhi Wang
New paper with my (amazing) friend and mentor @jrpenades.bsky.social
Really looking forward to see what plasmid aficionados think of this one!!
With @asantoslopez.bsky.social @wfigueroac3.bsky.social Akshay Sabins and others
www.cell.com/cell-reports...
Non-conjugative plasmids limit their mobility to persist in nature
Sabnis et al. explain why non-conjugative plasmids move at a low rate in nature. While increased mobility can easily evolve by incorporating phage DNA into plasmids, this is disadvantageous because it...
www.cell.com
October 22, 2025 at 1:12 PM
Reposted by Changzhi Wang
New pre-print: Plasmid dependent phage effectively eliminate AMR bacteria and block plasmid transmission in the chicken gut microbiome

Fun collaboration with Tao He lab (JAAS) and @brockhurstlab.bsky.social lab (Manchester)
#phagesky#microsky

www.biorxiv.org/content/10.1...
Plasmid dependent phage eliminate pathogenic bacteria and antibiotic resistance plasmids from the chicken gut microbiome
Conjugative plasmids are a key reservoir of antimicrobial resistance (AMR) in commensal and pathogenic bacteria within the gut microbiome. Plasmid-dependent phage (PDPs) are a promising therapeutic op...
www.biorxiv.org
October 27, 2025 at 8:19 AM
Reposted by Changzhi Wang
Our @narjournal.bsky.social manuscript is out! It explores the growth of the GTDB (gtdb.ecogenomic.org) since its inception, as well as updates to the website, methodology, policies, and major taxonomic and nomenclatural changes over the past three years.

academic.oup.com/nar/advance-...
GTDB release 10: a complete and systematic taxonomy for 715 230 bacterial and 17 245 archaeal genomes
Abstract. The Genome Taxonomy Database (GTDB; https://gtdb.ecogenomic.org) provides a phylogenetically consistent and rank normalized genome-based taxonomy
academic.oup.com
October 22, 2025 at 2:20 PM
Reposted by Changzhi Wang
I wrote a new tutorial on competitive metagenomic read recruitment (and profiling of the results with #anvio), for those of us nerds who would like to get their hands dirty with data:

anvio.org/tutorials/co...
Competitive metagenomic read recruitment explained
A tutorial on the nuts and bolts of competitive read recruitment
anvio.org
October 25, 2025 at 10:50 AM
Reposted by Changzhi Wang
I thought I'd try this technical molecular microbiology question here. #MicroSky

Does anyone have experience with cloning 7-10 kbp fragments into a vector for Gram-positives?

We are trying, but the vectors we generally use become quite unstable when we try to clone in a fragment of that size.
September 11, 2025 at 7:52 PM
Reposted by Changzhi Wang
Antimicrobial Resistance (AMR) could cause 10 million deaths by 2050. At PLAS-FIGHTER, we are working to change this!
🔎 We study how plasmids spread resistance to open up new avenues for future containment and diagnostic strategies.
Find out more 👇
plasmidlab.es/project/

#AntibioticResistance
Project - Plasmidlab
PLAS-FIGHTER Exploiting plasmid-bacteria interactions to fight
plasmidlab.es
September 8, 2025 at 8:41 AM
Grateful to KAUST BESE for featuring our Nature Water study on wastewater surveillance of AMR. Huge thanks to Prof. Pei-Ying, our collaborators and BESE community for the support. Excited to keep pushing impactful public-health research forward. #KAUST discovery.kaust.edu.sa/en/article/2...
Wastewater surveillance tracks spread of antibiotic resistance
A study conducted during COVID-19 travel restrictions sheds light on the relationship between mass gatherings and the spread of antibiotic resistance.
discovery.kaust.edu.sa
September 3, 2025 at 12:42 PM
Reposted by Changzhi Wang
Latest study with the super-human friend that is Zong. Gen epi of carbapenemase-producing Enterobacter in China. Lots of within and between hospital spread and increasing in incidence

journals.asm.org/doi/10.1128/...
The clinical impact and dissemination of carbapenemase-producing Enterobacter: a genome-based study in China | Microbiology Spectrum
Carbapenemase-producing Enterobacter (CPEn) causes difficult-to-treat infections and has emerged globally as a significant antimicrobial resistance threat. Here, we generated genome sequences of 128 CPEn clinical isolates with accompanying clinical data. ...
journals.asm.org
August 14, 2025 at 7:34 AM
Reposted by Changzhi Wang
New paper in collaboration with the @asantoslopez.bsky.social lab!

www.biorxiv.org/content/10.1...
August 13, 2025 at 6:39 AM
Reposted by Changzhi Wang
July 22, 2025 at 8:50 AM
Reposted by Changzhi Wang
Curious about plasmid biology? Our latest paper is out now in Nature Communications! 🚨

doi.org/10.1038/s414...

We analyzed thousands of diverse bacterial plasmids to shed light for the first time on a key aspect of plasmid biology: plasmid copy number. 1/7 👇
Universal rules govern plasmid copy number - Nature Communications
Plasmids exhibit a broad range of sizes and copies per cell, and these two parameters appear to be negatively correlated. Here, Ramiro-Martínez et al. analyse the copy number of thousands of diverse b...
doi.org
July 2, 2025 at 10:07 AM
Reposted by Changzhi Wang
International comparison reveals gender differences in antimicrobial resistance - an analysis of more than 14,000 open gut metagenomes indicates that in high-income countries women had more antibiotic resistance than men www.utu.fi/en/news/pres... /w @katammp.bsky.social @mahkamehsalehi.bsky.social
International comparison reveals gender differences in antimicrobial resistance
A recent study led by the University of Turku, Finland, analysed the DNA map of more than 14,000 gut metagenomes in a global dataset and found that there are differences in antibiotic resistance be
www.utu.fi
June 22, 2025 at 8:51 AM
My new publication in #NatureWater!
Our study reveals how mass gatherings like Hajj and Umrah contribute to the spread of #AMR in Saudi Arabia, using wastewater-based surveillance during and after COVID-19.
#Metagenomics #WastewaterSurveillance
www.nature.com/articles/s44...
Wastewater surveillance unveils the impact of mass gatherings on antimicrobial resistance after the COVID-19 pandemic in Saudi Arabia - Nature Water
Mass gatherings can impact the antimicrobial resistance in the environment. Surveillance of wastewater in areas of Saudi Arabia affected by mass gatherings after the lifting of COVID-19 pandemic restr...
www.nature.com
June 12, 2025 at 11:30 AM
Reposted by Changzhi Wang
The deadline for the VIB.AI group leader positions is approaching - send in your CV and short research plan before 14th June to start your BioML research lab in Leuven or Ghent
We want to connect:
To link model builders with data generators.
To bring together scientists asking why cells behave the way they do, and others figuring out how to model that behavior.

If you're working on AI in biology, consider joining!
https://tinyurl.com/y35m6khy
June 4, 2025 at 7:16 AM
Reposted by Changzhi Wang
We have a new 3-year postdoc position in our group at the @hifmb.de to study plasmids and plasmids systems of the marine environment to survey their utility in microbial responses to environmental change.

Please see the official job ad here, and spread the word:

jobs.awi.de/Vacancies/20...
PostDoc in ecology and evolution of plasmids in polar waters at HIFMB (f/d/m)
Layout AWI HIPP extern, englisch
jobs.awi.de
June 5, 2025 at 8:09 AM
Reposted by Changzhi Wang
When things add up: environmental structure and microbial interactions drive antibiotic-resistance plasmid evolution.

New paper from the lab, and the third chapter of Lars Zandbergen’s thesis!

www.biorxiv.org/cgi/content/...
When things add up: environmental structure and microbial interactions drive antibiotic-resistance plasmid evolution
Antimicrobial resistance is recognized as a major global health threat. Pathogens can rapidly evolve resistance which diminishes the impact of antimicrobial treatments. The presence of other microbes ...
www.biorxiv.org
May 8, 2025 at 9:36 AM
Reposted by Changzhi Wang
Starship giant transposable elements cluster by host taxonomy using k-mer-based phylogenetics. #TransposableElements #TEs #Kmer #Phylogenetics #Genomics #Bioinformatics #G3 🧬 🖥️
academic.oup.com/g3journal/ad...
June 2, 2025 at 5:06 PM
Reposted by Changzhi Wang
We made three pangenome graphs 🧬 public, one for the Japanese, one for the Saudi population, and a merged graph (JaSaPaGe). Useful for 🖥️ bioinformatics on either population, or to evaluate how pangenome graphs behave when two different populations are included. jasapage.bio2vec.net/view for PanGene
Phased genome assemblies and pangenome graphs of human populations of Japan and Saudi Arabia
The selection of a reference sequence in genome analysis is critical, as it serves as the foundation for all downstream analyses. Recently, the pangenome graph has been proposed as a data model that i...
www.biorxiv.org
December 23, 2024 at 9:05 AM
Reposted by Changzhi Wang
@prczhaoyansong.bsky.social posted an update of elegant work on genomic islands. Captured via real-time expts, the GIs define a widespread class of MGE (eg VPI-1 de V. cholerae), encode a diverse cargo of genes & exploit jumbo phages for horizontal transfer 😎👇

www.biorxiv.org/content/10.1...
Jumbo phage-mediated transduction of genomic islands
Bacteria acquire new genes by horizontal gene transfer (HGT), typically mediated by mobile genetic elements (MGEs). While plasmids, bacteriophages and certain integrative and conjugative elements (ICE...
www.biorxiv.org
May 18, 2025 at 10:19 AM
🎓 Officially passed my PhD defense today. :)
After years of wastewater, metagenomes, and a lot of coffee, it's finally done.
Grateful to my advisor, thesis committee, collaborators, and everyone who supported me along the way.
May 6, 2025 at 2:04 PM
Reposted by Changzhi Wang
This large multi-center study shows cancer patients are infected with #AMR bacteria at 1.2 to 3 times higher rates due to frequent hospital visits and antibiotic use. This highlights the need for better antibiotic #stewardship and surveillance in these patients.

www.thelancet.com/journals/lan...
Incidence and prevalence of antimicrobial resistance in outpatients with cancer: a multicentre, retrospective, cohort study
AMR proportions and IRRs for most key pathogens were up to three-times higher in isolates from outpatients with cancer than those without cancer, highlighting the need for enhanced surveillance, infec...
www.thelancet.com
May 4, 2025 at 5:59 AM
Reposted by Changzhi Wang
Genomes from long-read metagenomic assemblies contain rampant errors, highlighting the pressing need for stricter evaluation methods in long-read assembly algorithms. Read more in our paper with the Eren group. @floriantrigodet.bsky.social @merenbey.bsky.social
April 28, 2025 at 9:29 PM