Summary of the research lines
We are interested in studying the biology of nitric oxide (NO) in plants, marine microorganisms and from the rhizosphere. We have provided many evidence of physiological processes that are regulated by NO during growth and stress responses in plants, with emphasis on the signal cross-talk between NO and plant hormones. We described the first enzyme NO synthase (NOS) in the plant kingdom and we are currently focused on deciphering the role of NO in the assimilation, availability, and metabolism of nitrogen (N) in plants. Our goal is to obtain high crop yields with lower application of fertilizers and contribute to the sustainability of agriculture and the environment. We also analyze the role of NO in the plant response to UV-B. We are now working in the influence of NO in the DNA repair and the UV-B receptor stability. We are also interested in studying the functions of NO and abscisic acid (ABA) in the health of honey bees, and how to mitigate the population decline of these plant key pollinators in the world.
Financial support
- Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT)
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
- Universidad Nacional del Mar del Plata (UNMdP)
Members
Director
Lorenzo Lamattina
Involved in the search, definition and determination of the research lines, planning of experiments and discussion of results. Full Professor, involved in undergraduate and postgraduate teaching.
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+54 223 155 56 1184
Codirector
Raúl Cassia
CONICET career researcher
Role of NO in the response of plants to UV-B radiation, in morphological, physiological and genetic processes. Currently studying the role of NO in the mechanisms of DNA repair and stability of the UV-B UVR8 receptor.
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+54 223 6 102 791
María Belén Fernández
CIC career researcher
Cloning and characterization of functional homologs to the UV-B receptor UVR8. Role of CPD photolyases in the tomato response to UV-B. Potential agronomic applications.
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Germán Lukaszewicz
Post-doctoral position
Proteolyitic mechanisms involved in UVR8 turnover. Developing of a system to evaluate the influence of NO in AtUVR8 and ZmUVR8 stability. Analysis of NO-induced post-translational modifications.
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+54 223 689 6193
Lucas Latorre
PhD Student
Influence of conserved Cys and Trp residues in the turnover of AtUVR8. Role of RCC and C27 domains in the interaction of UVR8 with COP1 and RUP1/2. NO as possible modulator of these interactions.
Natalia Correa-Aragunde
CONICET career researcher
Searching for potential roles of the enzymes nitric oxide synthases (NOS) in the metabolism of N in photosynthetic organisms. Effect of the expression of the NOS enzyme of Synechococcus PCC 7335 (SyNOS) in the model organism Synechococcus elongatus.
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+54 223 565729
Noelia Foresi
CONICET career researcher
Identify and characterize the new nitric oxide synthases (NOS) and their function in the organisms of origin Ostreococcus tauri (unicellular alga) and Synechococcus PCC7335 (nitrogen fixing cyanobacterium).
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+54 223 5903796
Fiorella Del Castello
PhD student
Effect of the expression of the NOS enzyme of Synechococcus PCC 7335 (SyNOS) in Arabidopsis thaliana and the study its participation in the adaptation of the plants to N-limiting conditions.
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+54 223 5594316
Andres Nejamkin
PhD student
Study the effect of the expression of NOS enzymes, coming from photosynthetic microorganisms, in Solanaceae (Solanum tuberosum and Nicotiana tabacum). Characterization of their role in the efficient use of nutrients.
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+54 223 6049840