Objective
The molecular basis of the reduction in the number of nodules that legumes form in soils with low pH are not clear yet. It has been propose that the elicitation of a hypersensitive reaction(HR) is part of the mechanism by which the plant controls infection, and therefore, regulates nodulation. The aim of the Project is to test whether the reduction in the number of nodules at low pH is associated to a stronger elicitation response in the plant triggered by the acid stress. In order to achieve this objective different Medicago spp will be used including two acidic resistant. These different Medicago spp will be inoculated with acid-sensitive and tolerant Rhizobium strains. Cytological and morphological features of the infective process under acidic and neutral pH will be analyzed and compared in order to test whether the low pH causes an increase in the number of aborted infection threads. This, together with the measurement of the evolution of endogenous ethylene as well as the analysis of the level of expression of proteins involve in plant defense mechanisms will give us some more evidences to know whether a HR of the plant is involved in the control of nodulation in acidic conditions.
Training content (objective, benefit and expected impact) The objective of the training is the study of the role of the plant in the control of nodulation during the symbiosis between Rhizobium and legumes under acidic conditions. This study will help to achieve a better understanding of the molecular basis of the R. meliloti-Medicago symbiotic interaction under different environmental conditions. This knowledge might in later stages provide a tool for improving the efficiency of this symbiosis under special conditions as low pH.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences biochemistry biomolecules proteins
- natural sciences biological sciences biological behavioural sciences ethology biological interactions
- natural sciences chemical sciences organic chemistry aliphatic compounds
- agricultural sciences agriculture, forestry, and fisheries agriculture grains and oilseeds legumes
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
18008 GRANADA
Spain
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.