Christina Hazard
@christinahazard.bsky.social
CNRS Researcher | Group Leader | Soil Microbial and Viral Ecology and Biogeochemical Cycling | https://soilmicrobes.fr/ | @soilmicrobes.bsky.social
Reposted by Christina Hazard
The final edition of the ACTIONr Network Newsletter is now available!
This issue includes the Editorial: “Insights from ACTIONr and Side Projects on Nitrification Inhibitors – Mechanisms, Performance, and Practical Implications”
Read it here: www.actionr.eu/actionr-news...
This issue includes the Editorial: “Insights from ACTIONr and Side Projects on Nitrification Inhibitors – Mechanisms, Performance, and Practical Implications”
Read it here: www.actionr.eu/actionr-news...
ACTIONr Newsletter #06 (October 2025) - ACTIONr
Read the last Newsletter of the ACTIONr network, and discover among others: -Editorial by the ACTIONr team: “Insights from ACTIONr and Side Projects on Nitrification Inhibitors Mechanisms, Performance...
www.actionr.eu
November 6, 2025 at 9:57 AM
The final edition of the ACTIONr Network Newsletter is now available!
This issue includes the Editorial: “Insights from ACTIONr and Side Projects on Nitrification Inhibitors – Mechanisms, Performance, and Practical Implications”
Read it here: www.actionr.eu/actionr-news...
This issue includes the Editorial: “Insights from ACTIONr and Side Projects on Nitrification Inhibitors – Mechanisms, Performance, and Practical Implications”
Read it here: www.actionr.eu/actionr-news...
Reposted by Christina Hazard
📣 PhD Scholarship Opportunity for International Students!
Are you looking to do a PhD in soil microbial and viral ecology?
✍️ Get in touch now!!
✅ Requirements: Masters degree, Distinguished CV, Highly motivated
⏳ Application deadline: November 24
www.univ-lyon1.fr/recherche/fo...
Are you looking to do a PhD in soil microbial and viral ecology?
✍️ Get in touch now!!
✅ Requirements: Masters degree, Distinguished CV, Highly motivated
⏳ Application deadline: November 24
www.univ-lyon1.fr/recherche/fo...
APPEL A PROJET
www.univ-lyon1.fr
October 21, 2025 at 5:36 PM
📣 PhD Scholarship Opportunity for International Students!
Are you looking to do a PhD in soil microbial and viral ecology?
✍️ Get in touch now!!
✅ Requirements: Masters degree, Distinguished CV, Highly motivated
⏳ Application deadline: November 24
www.univ-lyon1.fr/recherche/fo...
Are you looking to do a PhD in soil microbial and viral ecology?
✍️ Get in touch now!!
✅ Requirements: Masters degree, Distinguished CV, Highly motivated
⏳ Application deadline: November 24
www.univ-lyon1.fr/recherche/fo...
Reposted by Christina Hazard
PhD opportunity with me at University of Edinburgh linked with Forest Research, funded by E5 DTP.
On the microbial mechanisms of soil carbon cycling in tree-planted upland soils. Apply before 14th Dec. Please share with your network.
Pic: one of our Scottish sites.
e5-dtp.ed.ac.uk/project?item...
On the microbial mechanisms of soil carbon cycling in tree-planted upland soils. Apply before 14th Dec. Please share with your network.
Pic: one of our Scottish sites.
e5-dtp.ed.ac.uk/project?item...
October 17, 2025 at 3:25 PM
PhD opportunity with me at University of Edinburgh linked with Forest Research, funded by E5 DTP.
On the microbial mechanisms of soil carbon cycling in tree-planted upland soils. Apply before 14th Dec. Please share with your network.
Pic: one of our Scottish sites.
e5-dtp.ed.ac.uk/project?item...
On the microbial mechanisms of soil carbon cycling in tree-planted upland soils. Apply before 14th Dec. Please share with your network.
Pic: one of our Scottish sites.
e5-dtp.ed.ac.uk/project?item...
Reposted by Christina Hazard
Latest publication! 📢
Using nitrifying microbes as a tool for testing the toxicity of agriculture pesticides ☠️!
Congrats Eleftheria Bachtsevani -first paper of your PhD! Great collaboration with co-first author Maria Kolovou, and Dimitrios Karpoyzas & Evangelia Papadopoulou (Univ. of Thessaly)
Using nitrifying microbes as a tool for testing the toxicity of agriculture pesticides ☠️!
Congrats Eleftheria Bachtsevani -first paper of your PhD! Great collaboration with co-first author Maria Kolovou, and Dimitrios Karpoyzas & Evangelia Papadopoulou (Univ. of Thessaly)
Single Species In Vitro Assays with Nitrifying Bacteria and Archaea for Assessing the Toxicity of Pesticides on Soil Microorganisms
Single species tests on surrogate organisms from different trophic levels constitute a cornerstone in aquatic and terrestrial ecotoxicology, representing a major tool for assessing pesticide ecotoxici...
pubs.acs.org
September 30, 2025 at 5:25 PM
Latest publication! 📢
Using nitrifying microbes as a tool for testing the toxicity of agriculture pesticides ☠️!
Congrats Eleftheria Bachtsevani -first paper of your PhD! Great collaboration with co-first author Maria Kolovou, and Dimitrios Karpoyzas & Evangelia Papadopoulou (Univ. of Thessaly)
Using nitrifying microbes as a tool for testing the toxicity of agriculture pesticides ☠️!
Congrats Eleftheria Bachtsevani -first paper of your PhD! Great collaboration with co-first author Maria Kolovou, and Dimitrios Karpoyzas & Evangelia Papadopoulou (Univ. of Thessaly)
📢 We are thrilled to announce the International Soil Virus Conference 2026 in conjunction with the Saint Loup Research Institute.
🗓️ June 16 – 18, 2026
📍 Château de Saint Loup sur Thouet, France
👇 RSVP by October 31st, 2025
#virus #phage #ISVC2026
🗓️ June 16 – 18, 2026
📍 Château de Saint Loup sur Thouet, France
👇 RSVP by October 31st, 2025
#virus #phage #ISVC2026
ISVC2026
International Soil Virus Conference 2026! We are excited to announce and provide RSVP details for the next International Soil Virus Conference that will be held in Saint-Loup Lamaire, France on Jun…
soilmicrobes.fr
September 9, 2025 at 6:41 PM
Reposted by Christina Hazard
Hot off the press! 📣
We demonstrate that soil physicochemical gradients alter virus community structure but not the presence of those infecting individual (cultivated) bacteria hosts 🦠🧫
@Sungeun Lee @graemenicol.bsky.social @christinahazard.bsky.social
We demonstrate that soil physicochemical gradients alter virus community structure but not the presence of those infecting individual (cultivated) bacteria hosts 🦠🧫
@Sungeun Lee @graemenicol.bsky.social @christinahazard.bsky.social
Soil pH influences the composition of bacteriophage communities infecting individual hosts
Bacteriophages (phages) are predicted to infect a range of hosts in highly diverse soil bacterial communities. However, selection of host communities …
www.sciencedirect.com
August 23, 2025 at 6:26 PM
Hot off the press! 📣
We demonstrate that soil physicochemical gradients alter virus community structure but not the presence of those infecting individual (cultivated) bacteria hosts 🦠🧫
@Sungeun Lee @graemenicol.bsky.social @christinahazard.bsky.social
We demonstrate that soil physicochemical gradients alter virus community structure but not the presence of those infecting individual (cultivated) bacteria hosts 🦠🧫
@Sungeun Lee @graemenicol.bsky.social @christinahazard.bsky.social
Reposted by Christina Hazard
A full fun week of nitrification at #ICoN9 in Bremen! We got to share our latest work on nitrifier viruses, NOB-AOA interactions, and discuss BNIs. 😁
June 27, 2025 at 7:52 PM
A full fun week of nitrification at #ICoN9 in Bremen! We got to share our latest work on nitrifier viruses, NOB-AOA interactions, and discuss BNIs. 😁
Reposted by Christina Hazard
📣 PhD Scholarship Funding Opportunity!
Interested in pursuing a PhD in soil virus ecology and biogeochemical cycling? 🦠
Have a Masters degree from abroad and ranked in the top 20% of your class? 🎓
Get in touch now! See our website for further details. Submission deadline in August.
Interested in pursuing a PhD in soil virus ecology and biogeochemical cycling? 🦠
Have a Masters degree from abroad and ranked in the top 20% of your class? 🎓
Get in touch now! See our website for further details. Submission deadline in August.
April 21, 2025 at 10:25 AM
📣 PhD Scholarship Funding Opportunity!
Interested in pursuing a PhD in soil virus ecology and biogeochemical cycling? 🦠
Have a Masters degree from abroad and ranked in the top 20% of your class? 🎓
Get in touch now! See our website for further details. Submission deadline in August.
Interested in pursuing a PhD in soil virus ecology and biogeochemical cycling? 🦠
Have a Masters degree from abroad and ranked in the top 20% of your class? 🎓
Get in touch now! See our website for further details. Submission deadline in August.
Reposted by Christina Hazard
Our paper is out and is open access!
Phosphate amendment drives bloom of RNA viruses after soil wet-up.
www.sciencedirect.com/science/arti...
@sieravirus.bsky.social @jeffinerca.bsky.social @graemenicol.bsky.social @christinahazard.bsky.social
Phosphate amendment drives bloom of RNA viruses after soil wet-up.
www.sciencedirect.com/science/arti...
@sieravirus.bsky.social @jeffinerca.bsky.social @graemenicol.bsky.social @christinahazard.bsky.social
Phosphate amendment drives bloom of RNA viruses after soil wet-up
Soil rewetting after a dry period results in a surge of activity and succession in both microbial and DNA virus communities. Less is known about the r…
www.sciencedirect.com
March 25, 2025 at 5:12 AM
Our paper is out and is open access!
Phosphate amendment drives bloom of RNA viruses after soil wet-up.
www.sciencedirect.com/science/arti...
@sieravirus.bsky.social @jeffinerca.bsky.social @graemenicol.bsky.social @christinahazard.bsky.social
Phosphate amendment drives bloom of RNA viruses after soil wet-up.
www.sciencedirect.com/science/arti...
@sieravirus.bsky.social @jeffinerca.bsky.social @graemenicol.bsky.social @christinahazard.bsky.social
Reposted by Christina Hazard
Great week teaching DNA-SIP and participating in a workshop on microbial ecology and biogeochemistry at ESALQ, Uni São Paulo. Great research and hospitality! Thank you @lucascanisares.bsky.social, Tsai Siu Mui, Maurício Roberto Cherubin, @agenciafapesp.bsky.social and CCARBON/USP for hosting us!
March 22, 2025 at 4:01 PM
Great week teaching DNA-SIP and participating in a workshop on microbial ecology and biogeochemistry at ESALQ, Uni São Paulo. Great research and hospitality! Thank you @lucascanisares.bsky.social, Tsai Siu Mui, Maurício Roberto Cherubin, @agenciafapesp.bsky.social and CCARBON/USP for hosting us!
Reposted by Christina Hazard
Our perspective on soil virus ecology research is out!
Fantastic collab with
@christinahazard.bsky.social @karthik-a.bsky.social @lukehillary.bsky.social @urineri.bsky.social @simrouxvirus.bsky.social @gtrubl.bsky.social @KurtWilliams @jeffinerca.bsky.social @graemenicol.bsky.social @JoanneEmerson
Fantastic collab with
@christinahazard.bsky.social @karthik-a.bsky.social @lukehillary.bsky.social @urineri.bsky.social @simrouxvirus.bsky.social @gtrubl.bsky.social @KurtWilliams @jeffinerca.bsky.social @graemenicol.bsky.social @JoanneEmerson
Beneath the surface: Unsolved questions in soil virus ecology
Soil virus ecology is an exciting but still nascent field of research in soil microbiology. While there has been a recent surge in soil virus research…
www.sciencedirect.com
March 13, 2025 at 7:59 AM
Our perspective on soil virus ecology research is out!
Fantastic collab with
@christinahazard.bsky.social @karthik-a.bsky.social @lukehillary.bsky.social @urineri.bsky.social @simrouxvirus.bsky.social @gtrubl.bsky.social @KurtWilliams @jeffinerca.bsky.social @graemenicol.bsky.social @JoanneEmerson
Fantastic collab with
@christinahazard.bsky.social @karthik-a.bsky.social @lukehillary.bsky.social @urineri.bsky.social @simrouxvirus.bsky.social @gtrubl.bsky.social @KurtWilliams @jeffinerca.bsky.social @graemenicol.bsky.social @JoanneEmerson
Reposted by Christina Hazard
📣 Come join us at the ACTIONr PhD summer school in Greece!
“Biological Nitrification Inhibition: Integrating Microbial Functions, Plant Traits, and Technological Innovations for Sustainable Nitrogen Cycling”
Free registration & lodging! 😁👇
“Biological Nitrification Inhibition: Integrating Microbial Functions, Plant Traits, and Technological Innovations for Sustainable Nitrogen Cycling”
Free registration & lodging! 😁👇
March 7, 2025 at 4:06 PM
📣 Come join us at the ACTIONr PhD summer school in Greece!
“Biological Nitrification Inhibition: Integrating Microbial Functions, Plant Traits, and Technological Innovations for Sustainable Nitrogen Cycling”
Free registration & lodging! 😁👇
“Biological Nitrification Inhibition: Integrating Microbial Functions, Plant Traits, and Technological Innovations for Sustainable Nitrogen Cycling”
Free registration & lodging! 😁👇
Reposted by Christina Hazard
Come join us!!!
🚨 ACTIONr's NI Workshop at ICoN9!
📅 June 27, 2025
📍 Max Planck Institute, Bremen, Germany
Explore nitrification inhibitors in agroecosystems. Limited to 50 participants — register for ICoN9 first!
More info: www.mpi-bremen.de/en/ICoN9-Con...
🚨 ACTIONr's NI Workshop at ICoN9!
📅 June 27, 2025
📍 Max Planck Institute, Bremen, Germany
Explore nitrification inhibitors in agroecosystems. Limited to 50 participants — register for ICoN9 first!
More info: www.mpi-bremen.de/en/ICoN9-Con...
BNI Workshop
www.mpi-bremen.de
February 5, 2025 at 9:50 PM
Come join us!!!
🚨 ACTIONr's NI Workshop at ICoN9!
📅 June 27, 2025
📍 Max Planck Institute, Bremen, Germany
Explore nitrification inhibitors in agroecosystems. Limited to 50 participants — register for ICoN9 first!
More info: www.mpi-bremen.de/en/ICoN9-Con...
🚨 ACTIONr's NI Workshop at ICoN9!
📅 June 27, 2025
📍 Max Planck Institute, Bremen, Germany
Explore nitrification inhibitors in agroecosystems. Limited to 50 participants — register for ICoN9 first!
More info: www.mpi-bremen.de/en/ICoN9-Con...
I’ve switched universities! You can find me here 👇
📣 Exiting news! We have moved to a different university in Lyon. You can now find us at University Claude Bernard Lyon 1 at the Microbial Ecology Laboratory @ecomicrolyon 🇫🇷🦠🍄🟫🌱🧫🧬🔬🥼🧪🧑🔬
January 10, 2025 at 5:53 PM
I’ve switched universities! You can find me here 👇
Reposted by Christina Hazard
Check out our recent publication on our continued research on soil viruses of nitrifers! @MiaSungeunLEE @christinahazard.bsky.social @graemenicol.bsky.social academic.oup.com/ismej/articl...
Activity of novel virus families infecting soil nitrifiers is concomitant with host niche differentiation
Abstract. Chemolithoautotrophic nitrifiers are model groups for linking phylogeny, evolution, and ecophysiology. Ammonia-oxidizing bacteria (AOB) typically
academic.oup.com
December 31, 2024 at 2:42 PM
Check out our recent publication on our continued research on soil viruses of nitrifers! @MiaSungeunLEE @christinahazard.bsky.social @graemenicol.bsky.social academic.oup.com/ismej/articl...