ERC FUNDED PROJECTS

This project proposes an analysis of the reconfigurations established in the socio-political vocabulary of the western Saharan region – southern Morocco, Western Sahara and Mauritania – from the “post-empire” to the contemporary period. The project should produce an analysis of 1) the social and political structures shared in the region, 2) the local variations of those structures, based on case studies, 3) their specific configurations, based on social markers such as gender, age, and class, 4) the use of those structures in different historical periods. All these will be under theoretical and ethnographic scrutiny in order to achieve its main goal: 5) to understand the recent articulation of the social and political structures of the Western Saharan region, with broader and often exogenous political vocabularies. The methodology used in this project is based on readings associated with different social sciences, with a particular focus on anthropology, history, and political science. The members of the research team, with experience and linguistic competence in the different geographies involved in this project, are expected to conduct original field enquiries, enabling a significant enhancement of the theoretical and ethnographic knowledge associated with this region. The project’s main goal is to analyse the types of interplay established between pre-modern socio-political traditions and contemporary political expression and activism, in a particularly sensitive – and academically disregarded – region. Its effort to integrate a context that is usually compartmentalized, as well as to put together a group of researchers generally “isolated” in their particular areas of expertise, geographies, or nations, should also be valued. The project’s results should enable the different contexts under study to be integrated into the wider maps of current scientific research, providing, at the same time a dissemination of its outputs to an extended audience.

1 192 144 €

Start date: 2017-04-01, End date: 2021-03-31

Known, but mostly novel natural products (NPs) are in high demand – these are used in drugs, cosmetics and agrochemicals and serve also as research tools to probe biological systems. NP structures inspire chemists to develop new syntheses, and NP biosynthetic enzymes add to the metabolic engineer’s toolbox. The advent of next generation DNA-sequencing has revealed a vastly rich pool of NP biosynthetic gene clusters (BGCs) among bacterial genomes, most of which with no corresponding NP. Hence, opportunities abound for the discovery of new chemistry and enzymology that has the potential to push the boundaries of chemical space and enzymatic reactivity. Still, we cannot reliably predict chemistry from BGCs with unusual organization or encoding unknown functionalities, and, for molecules of unorthodox architecture, it is difficult to anticipate how their BGCs are organized. It is the valuable, truly novel chemistry and biochemistry that lies on these unexplored connections, that we aim to reveal with this proposal. To achieve it, we will work with a chemically-talented group of organisms – cyanobacteria, and with a specific structural class – fatty acids (FAs) – that is metabolized in a quite peculiar fashion by these organisms, paving the way for NP and enzyme discovery. On one hand, we will exploit the unique FA metabolism of cyanobacteria to develop a feeding strategy that will quickly reveal unprecedented FA-incorporating NPs. On the other, we will scrutinize the intriguing biosynthesis of three unique classes of metabolites that we have isolated recently and that incorporate and modify FA-moieties. We will find the BGCs for these compounds and dissect the functionality involved in such puzzling modifications to uncover important underlying enzymatic chemistry. This proposal is a blend of discovery- and hypothesis-driven research at the NP chemistry/biosynthesis interface that draws on the experience of the PI’s work on different aspects of cyanobacterial NPs.

1 462 938 €

Start date: 2018-01-01, End date: 2022-12-31

The chemical, pharmaceutical, and materials industries rely heavily upon chemicals from oil and natural gas feed-stocks (saturated hydrocarbons) that require considerable functionalisation prior to use. Catalytic oxidative functionalisation (e.g. CH4 + [O] + cat. → CH3OH), using first row transition metal catalysts, is potentially a sustainable, cheap, and green route to these high-commodity chemicals. However, catalytic oxidation remains a great modern challenge because such hydrocarbons contain remarkably strong inert C–H bonds that can only be activated with potent catalysts. We will take a Nature-inspired approach to designing and preparing powerful oxidation catalysts: we will interrogate the active oxidant, a metal-oxo (M=O) species, to guide our catalyst design. Specifically, we will prepare unprecedented Late first-row transition Metal-Oxo complexes (LM=O’s, LM = Co, Ni, Cu) that will activate the strongest of C–H bonds (e.g. CH4). This will be accomplished using a family of novel low coordinate ligands that will support LM=O’s. Due to their expected potent reactivity we will prepare LM=O’s under unique oxidatively robust, low-temperature conditions to ensure their stabilisation. The poorly understood factors (thermodynamics, metal, d-electron count) that control the reactivity of M=O’s will be thoroughly investigated. Based on these investigations LM=O reactivity will be manipulated and optimised. We expect LM=O’s will be significantly more reactive than any early transition metal-oxo’s (EM=O’s), because they will display a greater thermodynamic driving force for C–H activation. It is thus expected that LM=O’s will be capable of the activation of the strongest of C–H bonds (i.e. CH4). Driven by the knowledge acquired from these investigations, we will design and prepare the next generation of molecular oxidation catalysts - a family of late first-row transition metal compounds capable of catalysing hydrocarbon functionalisation under ambient conditions.

1 499 865 €

Start date: 2016-03-01, End date: 2021-02-28