Filipe de Sousa

Doktorand

Tel: 031-786 2658
E-post: filipe.de.sousa@bioenv.gu.se
Fax: 031-786 2560

Forskning

Untangling causes of conflict among gene phylogenies using mass sequencing and genomic libraries in the legume genus Medicago

I have a background in plant Taxonomy, and I have done research in two genera of Angiosperms, Apuleia (Fabaceae), from South America, and Cyphostemma (Vitaceae), an african genus.

My PhD project is focused on the conflict between gene phylogenies, and I will use genus Medicago (Fabaceae) to test hypothesis concerning factors that cause gene tree incongruence. This genus was chosen because one of the species, M. truncatula, has a sequenced genome, which makes it possible to chose the best DNA regions for analysis.

The main aims of the project are:

1. To develop a technique for filtering genomic DNA extracts and recover target regions (linked blocks) for mass sequencing

2. To develop methods to identify and distinguish the factors behind gene tree incongruence (lineage sorting, hybridisation, paralogy)

3.To test hypotheses regarding the evolutionary biology of Medicago (e.g., hybrid origin of lineages)

Publication list

SOUSA, F., LEWIS, G.P. & HAWKINS J.A. (2010). A revision of the South American genus Apuleia (Leguminosae, Cassieae). Kew Bulletin 65: 225–232

SOUSA, F., FIGUEIREDO, E. & SMITH, G.F. (2010). Cyphostemma mendesii (Vitaceae), a new species from Angola. Phytotaxa 7: 35–39

SOUSA, F., FIGUEIREDO, E. & SMITH, G.F. (2011). Vitaceae. A new and an overlooked record of Cyphostemma (Planch.) Alston in Angola. Bothalia 41(2): 160–161.

SOUSA, F., FIGUEIREDO, E. & SMITH, G.F. (2011). The genus Cyphostemma (Planch.) Alston (Vitaceae) in Angola. Bradleya 29: 79 – 92