CV Lattes
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Universidade de São Paulo (USP). Instituto de Biociências (IB) (Institutional affiliation from the last research proposal) Birthplace: Brazil
graduated in Physics at Universidade de São Paulo (1991), Master in Physics from Universidade de São Paulo (1993), Ph.d. in Physics from Universidade de São Paulo (1997), post-doc at the Department of Biology in Universtiy of Virginia (1999-2000) and at the Department of Applied Physics at Universidade de São Paulo (2001-2006). Now professor at Departamento de Fisiologia, Instituto de Biociências, Universidade de São Paulo, and Investigador Correspondiente of CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina) since 2014, acting on the following subjects: chronobiology, coupled oscillators, synchronization, photoperiodism, mathematical models, suprachiasmatic nucleus and circadian rhythms. (Source: Lattes Curriculum)
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In this international, collaborative project, we intend to extend the characterization of the daily temporal organization from behavioral to molecular level in subterranean rodents (Ctenomys coludo), known as tuco-tucos from Anillaco. In the Laboratory, we intend to get: 1) Temporal profile of general activity, body temperature (Tb) and behavior in tuco-tucos kept in burrowing boxes, whi…
In this Brazil/Argentina collaboration project, we intend to investigate the seasonality in physiological and behavioral aspects of subterranean rodents (Ctenomys aff. knighti). In the first 10 years of this research, our chronobiological fieldwork was mostly carried out in large semi-natural arenas. We have finally achieved the technical conditions to perform free-living physiological an…
Photoperiodism is the temporal adjustment of physiology and behavior of organisms by the annual variation of daylength/nightlength (photoperiod), allowing synchronization with the seasons. In this project, we intend to study seasonality and photoperiodism in rodents (Ctenomys aff. knighti) that inhabit the extreme photic subterranean environment, continuing our parallel laboratory, field …
(Only some records are available in English at this moment)
Daily biological rhythms are generated internally and are synchronized mainly by the light/dark cycle of the environment, allowing physiological and behavioral anticipation of daily environmental challenges. In mammals, the central oscillator, or structure that regulates daily rhythms, is situated in the suprachiasmatic nuclei (SCN) of the hypothalamus. One of the main rhythms regulated b…
In this Argentine/Brazil/USA collaboration project, we will expand the chronobiological study of an endemic species of neotropical subterranean rodents, the tuco-tucos (Ctenomys coludo), through the first characterization of the temporal expression of circadian clock genes in the suprachiasmatic nuclei (SCN) and extra-SCN regions in this species. The SCN are the hypothalamic structures re…
Annual biological rhythms are in general synchronized by the annual variation of photoperiod (daily ratio between the length of day and night). Little is known about the existence of annual rhythmicity and synchronization mechanisms in organisms that live in extreme photic environments such as caves, underground tunnels and abyssal regions. It is possible that, for these organisms, other …
Photoperiodism is the temporal adjustment of physiology and behavior to the annual variation of day length, allowing synchronization to the seasons. In this project, we intend to study photoperiodism in two physiological processes involving circadian oscillators, with a theoretical approach based on computer simulations. First, we are going to evaluate the photoperiodic processing in a su…
Biological rhythms displaying periods of 24h and 365 days are synchronized by the Earth´s environmental cycles such as the daily light/dark and the annual photoperiodic (ratio between day and night lengths) cycles, respectively. Little is known about annual rhythmicity and photoperiodism in organisms that live in extreme photic environments such as caves, underground tunnels and abyssal r…
(Only some records are available in English at this moment)
This collaborative research initiative between the Laboratório de Cronobiologia Binacional (LaBiCrono) and Professor Dr. Horacio de la Iglesia's laboratory at the University of Washington aims to delve into the molecular chronobiology of tuco-tucos, a subterranean neotropical rodent species that exhibits intriguing natural light exposure patterns. Dr. de la Iglesia's expertise in circadia…
In mammals, daily rhythms in physiology and behavior are regulated by a circadian system, composed of a central oscillator in the suprachiasmatic nucleus (SCN) and peripheral oscillators in all body tissues. In central and peripheral oscillators, a self-sustained rhythm is generated by an intracellular mechanism composed of interlocked molecular transcriptional/translational feedback loop…
Studies that show discrepancy between daily activity patterns between laboratory and field have become increasingly common and suggest that there are factors in the field that are not reproduced in the laboratory. Recently, it was proposed that food availability could be one of the fundamental differences between field and laboratory that can alter the temporal daily pattern of activity. …
(Only some records are available in English at this moment)
| 1 / 1 | Ongoing grants |
| 13 / 11 | Completed research grants |
| 2 / 2 | Ongoing scholarships in Brazil |
| 10 / 8 | Completed scholarships in Brazil |
| 5 / 4 | Completed scholarships abroad |
| 31 / 26 | All research grants and scholarships |
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