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Marlon Felix Pazian

Past Recent Members

I received a Ph.D. in Biological Sciences (Zoology) from the Universidade Estadual Paulista (UNESP-Brazil) in 2013. I performed Postdoctoral research in University of Lisbon (March 2013 to February 2014) and I am currently working in the Evolutionary Genetics Group, in the Chromosomal Evolution Subgroup of cE3c. My present research focuses on Sex Chromosomes origin and evolution of retrotransposons in the hybrid complex Squalius alburnoides. For eight years I have been involved in Fish Cytogenetics research using as model fresh water fishes, with emphasis on origin and evolution of sex chromosomes and evolution of repetitive sequences.

Our team collaborates with national and international groups, experts in Cytogenetics and Evolution (UTAD/Vila Real; ISA/Lisbon; IAPG/Czech Republic; UEPG/Brazil; Universidad Complutense de Madrid/Spain).

My current research is driven by three overarching objectives:

1. To compare status of parental and hybrid genomic DNA aiming to analyze the effect of hybridization in these fish genomes, since it might increase TEs ‘activity’ and subsequent chromosomal rearrangements;

2. To examine genomic interactions and get an indirect estimate of genomic differentiation of the species involved, since it is known that massive introgression may occur;

3. How sex chromosomes originate and evolve in fishes?