Prof. Gustavo Habermann obtained his Ph.D. in Botany, at the São Paulo State University (UNESP, Botucatu, SP Brazil) in 2004. He has been Assistant Professor of Plant Physiology and Ecophysiology of Plants in the Department of Botany (Institute of Biosciences in Rio Claro, SP Brazil) at UNESP since 2005. Dr. G. Habermann obtained the bachelor degree at the Agronomy Sciences Faculty (UNESP, Botucatu) in 1995, after having spent six months, asundergraduate student, at the Citrus Research and Education Center University of Florida (Institute of Food and Agricultural Sciences), USA, where he worked with Dr. Kenneth S. Derrick on Molecular Diagnosis of Citrus Blight. The field of interest, since his Master degree (1999) obtained at the São Paulo State University and the Campinas Agronomic Institute (IAC) in Brazil, has been plant physiology [photosynthesis, gas exchange, chlorophyll fluorescence, water stress and plant hormones (abscisic acid - ABA)], especially tree physiology, such as Citrus sp and, more recently, Cerrado woody species. After his postdoctoral period (2011) at the Munich Technical University (Freising, Germany), he was elected President of the Brazilian Society of Plant Physiology (BSPP) and President of the Editorial Board of the Brazilian Journal of Plant Physiology. He is also Associate Editor (Botany and Plant Physiology) of the Bragantia Journal, which has been the official Scientific Journal of IAC since 1941, and since 2016 he is the Editor-in-Chief of the Theoretical and experimental Plant Physiology. He is Section Editor for the Plant and Soil Journal (https://link.springer.com/journal/11104/editors). Since 2012, G. Habermann has been receiving a Research Productivity Fellowship from the Brazilian National Council for Scientific and Technological Development (CNPq). G. Habermann has published more than 61 papers in his field of expertise in important journals of Agriculture, Horticulture, Plant Biology, Plant Physiology and scientific editorial issues. Recently, he has published a book chapter about aluminum (Al3+) in Cerrado woody plants and how research initiatives trying to understand Al3+ physiological roles in native species of the Brazilian Savanna could support future investigations on aluminum resistance in crop plants. (Source: Lattes Curriculum)
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Aluminum (Al) is the third most available chemical element in the Earth's crust. In acidic soils (pH < 5.5) its phytotoxic form (Al3+) is found. The first and most conspicuous phytotoxic symptom is the growth inhibition of the roots, where Al covalently binds to the cell wall. Al also reduces leaf gas exchange rates, decreasing stomatal conductance (gs). Although the reduction in gas exch…
Each year millions of dollars are spent on soil liming for correcting acidity and excessive aluminum (Al3+) contents in agricultural soils of many regions, permitting Brazil to maintain its leadership in agribusiness. Among these regions, the Southeastern region in Brazil was originally occupied by the southern border of the Cerrado vegetation; the agricultural frontiers of Central Brazil…
The first and most evident symptom of aluminum (Al) toxicity is the decrease in root growth, which can occur in a matter of hours. In addition, Al may cause decreased shoot growth and reduced gas exchange and photochemical reactions. Most of the studies try to show that damage caused by Al in the aerial part is of indirect character (long-distance) due to the water deficiency, consequence…
Aluminum (Al) is toxic to most plants. In acidic soils (pH < 5) it is found in one of its phytotoxic forms, Al3 +. In plants sensitive to Al, the first and most conspicuous toxicity symptom is the inhibition of root growth, where Al is chemically retained. In addition, Al also causes indirect symptoms such as reduced shoot growth. Sensitive plants exposed to Al show reduced CO2 assimilati…
Edaphic aluminum (Al) decreases the growth of most plants cultivated in acidic soils. However, some woody species from the Cerrado vegetation accumulate Al in leaves without apparent damage to their metabolism. The reasons why these plants are not sensitive to Al in acidic soils are still unknown. The exudation of organic acids (OAs) from root tips seems to be one of the major Al resistan…
(Only some records are available in English at this moment)
It has been suggested that the low stomatal conductance (gs) caused by aluminum(Al) exposure is explained by the Al-induced root growth inhibition that would causereduced water uptake. Nevertheless, in the last years, studies have evidenced that it canbe, actually, explained by multifactor effects. Recent studies have shown increase inabscisic acid (ABA) concomitant to reduction in gs in …
It is believed that the aluminum (Al)-induced decrease in leaf hydration is due to its direct effect of Al on reducing the root growth, which would have low root surface and volume for water uptake. However, there is previous evidence suggesting that the Al-induced decrease in stomatal conductance (gs) could be related to a low intrinsic root capacity for water uptake and transport. While…
Under acidic conditions, malate efflux via TaALMT1 channel is induced by aluminum (Al) in wheat (Triticum aestivum L.). When Al is chelated with organic acids, the roots are allowed to grow normally, thus conferring great yields. Recent studies suggest that great yield in an Al-tolerant wheat line can also be reached under alkaline conditions by the same organic acid exsudation mechanism …
(Only some records are available in English at this moment)
| 3 / 2 | Completed research grants |
| 17 / 12 | Completed scholarships in Brazil |
| 4 / 4 | Completed scholarships abroad |
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