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Ousmane H. Cisse

@ousmanecis.bsky.social
181 followers 209 following 12 posts

Microbiology | fungal pathogens focus pneumocystis | posts don’t represent employer scholar.google.com/citations?user=s…

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Ousmane H. Cisse @ousmanecis.bsky.social · 18/09/2026
www.science.org/doi/10.1126/...
science.org
Unanticipated global emergence and evolution of Pneumocystis jirovecii mutations and resistance driven by a human-targeted drug
A human-targeted drug selects for drug-resistant Pneumocystis jirovecii strains that drive global transmission and outbreaks in transplant recipients.
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Ousmane H. Cisse @ousmanecis.bsky.social · 30/05/2026
Interesting study from Landry’s team journals.plos.org/plosgenetics...
journals.plos.org
Predicting antifolate resistance in the unculturable fungal pathogen Pneumocystis jirovecii
Author summary Pneumocystis jirovecii is a fungal pathogen causing pneumonia in immunocompromised humans. Infections by P. jirovecii are treated using drugs that prevent this pathogen from making fola...
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Reposted by Ousmane H. Cisse
Zebrafish Rock! 🎃 @zebrafishrock.bsky.social · 24/05/2026
😬
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Ousmane H. Cisse @ousmanecis.bsky.social · 24/05/2026
pubmed.ncbi.nlm.nih.gov/42159109/
pubmed.ncbi.nlm.nih.gov
Detection of Pneumocystis Jirovecii in Immunocompetent Children with Lower Respiratory Tract Infection - PubMed
The clinical significance of detection of Pneumocystis jiroveci in immunocompetent children with LRTI should be further investigated, and specific therapy could be considered individually based on cli...
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Reposted by Ousmane H. Cisse
Christine Faulkner @pdchristine.bsky.social · 19/05/2026
Emma Turley started her PhD expecting the effector ChEC108 would aid Colletotrichum establish infection, but she instead discovered that when it makes it's way to plasmodesmata it's bound by host HIPP6, triggering PD closure and impeding infection. #PlantScience
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Reposted by Ousmane H. Cisse
The Lancet Microbe @lancetmicrobe.bsky.social · 09/09/2025
Our September issue is now online: www.thelancet.com/journals/lan... Our journal is #OpenAccess, so you are free to explore all of our content. But these hashtags offer a flavour: #SARS-CoV-2 #HIV #Pneumocystis #tuberculosis #TB #gonorrhoea #Citrobacter #AMR #Salmonella #IDSky #ClinMicro #OA
Cover of The Lancet Microbe's September issue with a "Light micrograph of a lung sample from an AIDS patient showing cysts of Pneumocystis [jirovecii]".
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Reposted by Ousmane H. Cisse
bioRxivpreprint @biorxivpreprint.bsky.social · 31/08/2025
Homology-mediated transformation of frog-killing fungus Batrachochytrium dendrobatidis illuminates chytrid development and pathogenesis www.biorxiv.org/content/10.1101/202…
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Ousmane H. Cisse @ousmanecis.bsky.social · 31/08/2025
Interesting perspective - few more to add from fungal pathogens perspective. Also pathogens and hosts often operate on different molecular clocks. journals.plos.org/plosbiology/...
journals.plos.org
Why are there so few pathogens? Ecology and evolution in pathogen emergence
Why are there so few pathogens, and what determines their emergence? This Perspective argues that ecological and evolutionary forces (host availability, geographic exposure and microbial innovation) w...
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Reposted by Ousmane H. Cisse
FEMS Journals @femsjournals.bsky.social · 28/06/2025
In this review, @liangma20854 et al. discuss #Pneumocystis epidemiology, coinfection, cross-infection, and coevolution aspects. #pneumonia buff.ly/3X0yKSR #FEMSMicrobiolRev
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Ousmane H. Cisse @ousmanecis.bsky.social · 02/07/2025
www.biorxiv.org/content/10.1... - really cool study from U. Cincinnati
biorxiv.org
Extracellular Vesicle-Mediated Delivery of Genetic Material for Transformation and CRISPR/Cas9-based Gene Editing in Pneumocystis murina
Pneumocystis species are obligate fungal pathogens that cause severe pneumonia, particularly in immunocompromised individuals. The absence of robust genetic manipulation tools has impeded our mechanis...
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Reposted by Ousmane H. Cisse
Jason Stajich @hyphaltip.bsky.social · 10/05/2025
share.transistor.fm/s/ee922716 - nice interview with Joe Heitman on Fungi
share.transistor.fm
Cosmic Radio Interview with Dr. Joseph Heitman: Professor and Chair of Molecular Genetics and Professor in Medicine at Duke University and CIFAR's Co-Director for the Fungal Kingdom: Threats & Opportu...
Join me on Cosmic Radio as we speak with Dr. Joseph Heitman. Dr. Heitman is a professor and Chair of Molecular Biology and Professor in Medicine at Duke University and CIFAR's Co-Director for the "Fun...
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Ousmane H. Cisse @ousmanecis.bsky.social · 23/04/2025
journals.asm.org/doi/abs/10.1...
journals.asm.org
Retracing the evolution of Pneumocystis species, with a focus on the human pathogen Pneumocystis jirovecii | Microbiology and Molecular Biology Reviews
SUMMARYEvery human being is presumed to be infected by the fungus Pneumocystis jirovecii at least once in his or her lifetime. This fungus belongs to a large group of species that appear to exclusivel...
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Ousmane H. Cisse @ousmanecis.bsky.social · 23/04/2025
www.biorxiv.org/content/10.1...
biorxiv.org
Single-Cell RNA Sequencing Defines Developmental Progression and Reproductive Transitions of Pneumocystis carinii
Pneumocystis species are host-obligate fungal pathogens that cause severe pneumonia in immunocompromised individuals. Despite their clinical importance, their life cycle remains poorly understood, in ...
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Ousmane H. Cisse @ousmanecis.bsky.social · 19/04/2025
pmc.ncbi.nlm.nih.gov/articles/PMC...
pmc.ncbi.nlm.nih.gov
CRISPR-mediated detection of Pneumocystis transcripts in bronchoalveolar, oropharyngeal, and serum specimens for Pneumocystis pneumonia diagnosis
Pneumocystis jirovecii pneumonia (PCP) is a leading cause of fungal pneumonia, but its diagnosis primarily relies on invasive bronchoalveolar lavage (BAL) specimens that are difficult to obtain. Oroph...
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Ousmane H. Cisse @ousmanecis.bsky.social · 19/04/2025
Interesting hypothesis worth exploring further www.nature.com/articles/s42...
nature.com
Pneumocystis jirovecii is a potential pivotal ecological driver contributing to shifts in microbial equilibrium during the early-life lower airway microbiome assembly - Communications Biology
Early-life lung microbiota is dynamic, with major shifts at 3–4 months. Transient microbes dominate, but some persist, influencing lung health. Pneumocystis jirovecii may be a key driver of microbial ...
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Ousmane H. Cisse @ousmanecis.bsky.social · 19/04/2025
journals.asm.org/doi/10.1128/...
journals.asm.org
Selective expression of Pneumocystis antigens in different patients during a suspected outbreak of Pneumocystis pneumonia | mBio
The fungus Pneumocystis causes severe pneumonia in patients with weakened immune systems. It possesses a genetic system to vary the antigens at the surface of its cells that are presented to the immun...
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Rebecca Drummond 🍄 @therad-lab.bsky.social · 07/04/2025
Nice article in The Telegraph today about importance of fungal infections and the need for more research. Lots of quotes from UK researchers! www.telegraph.co.uk/global-healt...
telegraph.co.uk
Fungal infections are ‘taking over the world’. Can they be stopped?
As a landmark WHO report warns of a lack of treatments and diagnosis, we investigate a threat that now kills twice as many people as TB
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Reposted by Ousmane H. Cisse
Ilan Schwartz @germhuntermd.bsky.social · 27/12/2024
Comparative efficacy and safety of treatment regimens for Pneumocystis jirovecii pneumonia in people living with HIV – A systematic review and network meta-analysis of randomized controlled trials Hatzl et al TLDR: “no clear best choice” www.clinicalmicrobiologyandinfection.com/article/S119...
Visual abstract
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