14013 - Case study from Santa Catarina, Brazil: GM contamination detected in maize variety

  • Hanna Hagen Bjørgaas Universidade Federal do Santa Catarina (Brazil) GenØk - Center for Biosafety (Norway)


Genetically modified (GM) maize has been planted in Brazil since the 2007/2008 growing season. Crosspollination from GM to non-GM maize, i.e. GM contamination, may have severe negative impact on genetic diversity, in addition to lost access to non-GM markets. Such contamination has previously been detected in Latin America, and is of great concern for farmers who wish to grow non-GM maize. In this study, we aimed to detect genetic contamination from GM maize to non-GM maize, and analyze the social context of such GM contamination, in a model system in Santa Catarina, Brazil. The transgenic protein Cry1Ab was detected in one non-GM maize field using lateral flow strips, and a Polymerase Chain Reaction confirmed the presence of the p35s promotor. In this case, lack of information about the national regulations of minimum distances between GM and non-GM maize might have enabled the GM contamination event.


Hanna Bjørgaas has a master's degree in Biodiversity and evolution from the University of Oslo, and is currently working in a research cooperation between GenØk (Center of Biosafety, Norway) and UFSC (Universidade Federal de Santa Catarina, Brasil).
Como Citar
BJØRGAAS, Hanna Hagen. 14013 - Case study from Santa Catarina, Brazil: GM contamination detected in maize variety. Cadernos de Agroecologia, [S.l.], v. 8, n. 2, dez. 2013. ISSN 2236-7934. Disponível em: <http://aba-agroecologia.org.br/revistas/index.php/cad/article/view/14013>. Acesso em: 22 jul. 2017.
VIII CBA-Agroecologia - Desenvolvimento Rural/Saúde e soberania alimentar


Transgenic; Lateral Flow Strips; PCR; Coexistence; Brazil