Marcelo Visentini Kitahara in research grants and scholarships supported by FAPESP.
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Covering less than 0.1% of the ocean flor, warm, shallow-water coral reefs are recognized for supporting over a quarter of the worlds' marine biodiversity and also for the critical ecosystem services they provide to human kind. Nonetheless, due to the ongoing climate change and other anthropogenic challenges, about 75% of the coral reefs are considered threatened, with several already sev…
In contrast to their shallow-water counterparts, azooxantines cold-water corals do not live in symbiosis with photosynthetic dinoflagellates. The South Atlantic holds numerous records of azooxantines species. These records encompass more than 60 species and grow under the influence of water masses originating in high northern and southern latitudes. These waters have very different proper…
Endeavoring to improve our understanding in scleractinian evolution as a lineage and as a system, the present proposal consists of two stages motivated to create and consolidate a research line on RNA/DNA deep sequencing and its usefulness at the Marine Science Department of the São Paulo Federal University (DCMar-UNIFESP). Based on the first azooxanthellate coral transcriptomes (1 specie…
The circadian rhythm is one of the primary cycles known to dictate the behavior and physiological processes of most forms of life, including corals, which have been shown to have profound fluctuations within a diel cycle. Regarding scleractinian corals, available information is limited in some aspects: (1) these cycles have been studied in only a few species; (2) most of those studies wer…
Genetic diversity is an essential source for biodiversity, providing the raw material for evolution by natural selection. When interconnected, populations tend to preserve greater genetic diversity compared to more isolated populations, which in turn are more susceptible to genetic drift effects. In contrast, more isolated populations at the species' distribution limits have been identifi…
Since their debut in shallow waters (circa 240 Mya), the vast majority of scleractinian corals have established a symbiotic relationship with photosynthetic dinoflagellates of the family Symbiodiniaceae. These endosymbionts, commonly known as zooxanthellae, assist corals in their nutrient production through photosynthetic activities, typically averaging densities of 1-5x106, per square ce…
Environmental rhythms regulate the behavior and physiology of all living organisms. The most conspicuous rhythm is the light:dark cycle, regulating metabolic states, physiologic process, reproduction, and behavioral activities either by an endogenous circadian clock or as a simple response to light. The circadian clock mechanism as well as gene expression profiles are widely known for mod…
Biological invasions are considered one of the main threats to global biodiversity and ecosystem functioning. In the oceans, generate impacts on benthic and pelagic marine communities, and consequently on the marine landscapes. In the mid-1980s, the coral species Tubastraea coccinea and Tubastraea tagusensis were accidentally introduced to the Brazilian coast, probably embedded in oil and…
(Only some records are available in English at this moment)
Environmental rhythms modulate the behavior and physiology of all living organisms and outcomes as cyclic phenotypes. The day/night cycle is the most noticeable cycle regulating a range of biological rhythms either by an endogenous circadian clock or by a direct response to the light:dark cycle itself. In Anthozoa, light can influence important physiological and behavioral responses, such…
Scleractinian corals are basal metazoans pertaining to the phylum Cnidaria, which are currently threatened by increasing global temperature and ocean acidification. These climate changes are associated with the loss of coral symbiotic algae (zooxanthellae), as well as to the dissolution of coral carbonatic skeleton. The evolutionary history of the order Scleractinia has not been completel…
| 1 / 1 | Ongoing research grants |
| 2 / 2 | Completed research grants |
| 3 / 3 | Ongoing scholarships in Brazil |
| 6 / 6 | Completed scholarships in Brazil |
| 2 / 2 | Completed scholarships abroad |
| 14 / 14 | All research grants and scholarships |
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