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Dr.

Stefanos Siozios

Postdoc
he/him

Contact & Availability

Office: Room B.01.09 @ iDiv, Puschstrasse 4, 04103 Leipzig
Phone: +49 341 9733225
Office Hours: If the door is open, please feel free to stop by.

About Me & Research

Short Bio:
A central focus of my work is the study of the evolution and ecology of bacterial symbionts of arthropods, especially insects. I use next-generation “omics” approaches (genomics, metagenomics and transcriptomics), including nanopore sequencing technologies, to characterise symbiont community composition and function, and to understand how symbiont diversity is linked to functional traits that benefit the host. I am also particularly interested in developing and applying nanopore sequencing methodologies for arthropod metabarcoding, microbiome analysis, and environmental DNA (eDNA) studies.

Research Interests:

  • Microbial genomics and metagenomics (symbiomics)
  • Evolutionary and ecological dynamics of microbial symbionts
  • Host–microbe interactions
  • Arthropod metabarcoding and microbiome profiling
Fun Fact: Most used lab equipment: The coffee machine!

Career

  • 2023 - now: : Wissenschaftlicher Mitarbeiter, Naturwissenschaftlichen Fakultät I, MLU Halle- Wittenberg - Deutsches Zentrum für integrative Biodiversitätsforschung (iDiv), Germany
  • 2017 - 2023: Research Assistant, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, UK
  • 2015 - 2017: Marie Curie Research Fellow, Institute of Integrative Biology, University of Liverpool, UK
  • 2014 - 2015: Postdoctoral Research Assistant, Department of Environmental and Natural Resources Management, University of Patras, Greece
  • 2011 - 2014: Postdoctoral Researcher, Research and Innovation Center, Fondazione Edmund Mach, Italy

Publications & Teaching

Selected Publications:

  • Siozios S, Jimenez, P.N., Azagi T, Sprong H, Frost CL, Parratt SR, Taylor G, Brettell L, Liew KC, Croft L, King KC, Brockhurst MA, Hypša V, Novakova E, Darby AC, Hurst GDD. (2024). Genome dynamics across the evolutionary transition to endosymbiosis. Current Biology. 34(24):5659-5670.e7. DOI Link
  • Davison HR, Hurst GDD, Siozios S. (2023). ‘Candidatus Megaira’ are diverse symbionts of algae and ciliates with the potential for defensive symbiosis. Microbial Genomics 9, 000950. DOI Link
  • Davison HR, Pilgrim J, Wybouw N, Parker J, Pirro S, Hunter-Barnett S, Campbell PM, Blow F, Darby AC, Hurst GDD, Siozios S. (2022). Genomic diversity across the Rickettsia and ‘Candidatus Megaira’ genera and proposal of genus status for the Torix group. Nature Communications 13:2630. DOI Link
  • Drew GC, Budge GE, Frost CL, Neumann P, Siozios S, Yañez O, Hurst GDD. (2021). Transitions in symbiosis: evidence for environmental acquisition and social transmission within a clade of heritable symbionts. The ISME journal 15, 2956– 2968. DOI Link
  • Pilgrim J, Ander M, Garros C, Baylis M, Hurst GDD, and Siozios S (2017). Torix group Rickettsia are widespread in Culicoides biting midges (Diptera: Ceratopogonidae), reach high frequency and carry unique genomic features. Environmental Microbiology, 19(10):4238-4255. DOI Link

Teaching:

  • Project module “Evolutionary Animal Ecology” (M.Sc.)
  • Project module “Methoden in der Evolutionsökologie” (B.Sc.)
  • yDiv Course “Metabarcoding: From theory to practice”

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