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Action of cadmium and Roundup Original in ovarian development of Bombus morio e Bombus atratus (Hymenoptera: Bombini)

Grant number: 11/22001-3
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2012
Effective date (End): July 31, 2013
Field of knowledge:Biological Sciences - Zoology - Applied Zoology
Principal Investigator:Fábio Camargo Abdalla
Grantee:Marina Pedrosa
Host Institution: Centro de Ciências e Tecnologias para a Sustentabilidade (CCTS). Universidade Federal de São Carlos (UFSCAR). Sorocaba , SP, Brazil


Most studies related to the disappearance and decline of populations of the genus Bombus regarding survey studies of abundance and richness of the genus in a particular area and location. Experimental bioassays with xenobiotics followed by morphological analysis of specific target internal organs in Brazilian native bees, such some species of Bombus should be done. The xenobiotics are present in most industrial wastes released in the air, soil and water. Therefore, the main goal of the project is to analyze the impact of the metal-trace cadmium and Roundup® (glyphosate) on the ovarian cycle of two bee species, Bombus morio and B. atratus. For the last purposes, the ovarian cycle of these bees will be analyzed under routine morphological and histochemical technique for investigation of the nuclear metabolism (CEC-variant). (AU)

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