Thesis topic proposal
Péter Kaló
Genetic analysis of symbiotic nitrogen fixation


Institute: Hungarian University of Agriculture and Life Sciences, Gödöllő
Doctoral School of Biological Sciences

Thesis supervisor: Ágota Domonkos
co-supervisor: Péter Kaló
Location of studies (in Hungarian): Hungarian University of Agricultural and Life Scieces, Doctoral School of Biological Sciences
Abbreviation of location of studies: MATE

Description of the research topic:

Legumes compose the third largest family of flowering plants. Medicago truncatula and other leguminous plants are able to establish nitrogen-fixing symbiotic associations with soil bacteria belonging to the genus rhizobia. The legume-rhizobial symbiosis accounts for a significant proportion of biological nitrogen fixation worldwide. Symbiotic nitrogen fixation takes place in specialized organs on the root, termed nodules. The aim of our research is to study the molecular steps of the induction, invasion and function of the symbiotic nodule to better understand the molecular basis of symbiotic nitrogen fixation. We use plant symbiotic mutants to analyze the development of the symbiotic nodule. In order to assess the actual function of the genes (Nod or Fix genes) conditioning the mutant phenotype. The project of the PhD student(s) would be to characterize the symbiotic phenotype of the mutants, identify the impaired genes, characterize their gene products and determine its function in the symbiotic process.

Required language skills: English
Number of students who can be accepted: 2

Deadline for application: 2022-10-31

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