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Ivain Martinossi

Ivain Martinossi

Postdoctoral Fellow
Department of Biology

ivain.martinossi@ntnu.no
Realfagbygget, DU1 217, Gløshaugen
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About Publications Teaching

About

I am an evolutionary biologist with a strong taste for ecology. My work focuses on sexual reproduction, with a special interest for animals with separate sexes. More particularly, I am fascinated by the interactions between environmental variables, population dynamics and reproductive behavior.

During my PhD studies, I used the seed beetle Callosobruchus maculatus to investigate the ecological sensitivity of sex-specific selection and sexual conflict, using combined empirical and theoretical methods. In a later project, I developed mathematical models exploring the evolution of competition for mating in males and females from anisogamy. Finally, looking at another aspect of sexual reproduction, I studied the impact of a deleterious meiotic drivers on the mating system of Podospora anserina, a hermaphroditic fungus capable of self-fertilization.

I joined NTNU to be part of the DYNAMAR project, which investigates how environmental variation can affect sexual selection through life-history and reproductive behavior in the two-spotted goby Pomatoschitus flavescens. This fish is an exceptional model system for the study of ecological impacts on sexual selection, due to the plasticity of its reproductive behavior. My work will include data collection in the field, bioinformatics analysis and theoretical modeling.

Publications

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2023

  • Martinossi-Allibert, Ivain Hugo Pascal; Ament-Velásquez, Sandra Lorena; Saupe, Sven J.; Johannesson, Hanna. (2023) To self or not to self? Absence of mate choice despite costly outcrossing in the fungus Podospora anserina. Journal of Evolutionary Biology. volum 36 (1).
    Academic article

2022

  • Ament-Velásquez, S. Lorena; Vogan, Aaron A.; Granger-Farbos, Alexandra; Bastiaans, Eric; Martinossi-Allibert, Ivain Hugo Pascal; Saupe, Sven J.; de Groot, Suzette; Lascoux, Martin; Debets, Alfons J. M.; Clavé, Corinne; Johannesson, Hanna. (2022) Allorecognition genes drive reproductive isolation in Podospora anserina. Nature Ecology and Evolution. volum 6 (7).
    Academic article

Journal publications

  • Martinossi-Allibert, Ivain Hugo Pascal; Ament-Velásquez, Sandra Lorena; Saupe, Sven J.; Johannesson, Hanna. (2023) To self or not to self? Absence of mate choice despite costly outcrossing in the fungus Podospora anserina. Journal of Evolutionary Biology. volum 36 (1).
    Academic article
  • Ament-Velásquez, S. Lorena; Vogan, Aaron A.; Granger-Farbos, Alexandra; Bastiaans, Eric; Martinossi-Allibert, Ivain Hugo Pascal; Saupe, Sven J.; de Groot, Suzette; Lascoux, Martin; Debets, Alfons J. M.; Clavé, Corinne; Johannesson, Hanna. (2022) Allorecognition genes drive reproductive isolation in Podospora anserina. Nature Ecology and Evolution. volum 6 (7).
    Academic article

Teaching

Courses

  • BI3062 - Science Seminars, Marine
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