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A. Costa de Oliveira

Publications of : A. Costa de Oliveira
Plant Genetics   Research Article

Iron excess in rice: from phenotypic changes to functional genomics of WRKY transcription factors

Iron (Fe) is an essential microelement for all living organisms playing important roles in several metabolic reactions. Rice (Oryza sativa L.) is commonly cultivated in paddy fields, where Fe goes through a reduction reaction from Fe3+ to Fe2+. Since Fe2+ is more soluble, it can reach toxic levels inside plant cells, constituting an important target for studies. Her.. Read More»

Genet. Mol. Res. 16(3): gmr16039694

DOI: 10.4238/gmr16039694

Plant Genetics   Research Article

Relationships between four measures of genetic distance and breeding behavior in spring wheat

    G. Benin, G. Matei, A. Costa de Oliveira, G.O. Silva, T.R. Hagemann, C. Lemes da Silva, E.S. Pagliosa and E. Beche

We estimated the genetic distances among 10 spring wheat genotypes based on pedigree data, morphological traits and AFLP markers, used individually and combined with morphological traits, to find the best predictors of general- and specific-combining abilities among parental genotypes. Ten wheat parents were crossed in a diallel form, disregarding reciprocal hybrids, totaling 45 combinations. T.. Read More»

Genet. Mol. Res. 11(3): 2012.June.15.3

DOI: 10.4238/2012.June.15.3

Human Genetics   Research Article

Expression profile of rice Hsp genes under anoxic stress

    L.M. Mertz-Henning, C. Pegoraro, L.C. Maia, E. Venske, C.V. Rombaldi and A. Costa de Oliveira

Although flooding is one of the most important environmental stresses worldwide, not all plant species are intolerant to its effects. Species from semi-aquatic environments, such as rice, have the capacity to cope with flooding stress. Heat-shock proteins (Hsps) are thought to contribute to cellular homeostasis under both optimal and adverse growth conditions. Studi.. Read More»

Genet. Mol. Res. 15(2): gmr.15027954

DOI: 10.4238/gmr.15027954

Plant Genetics   Research Article

Identification and characterization of the bZIP transcription factor involved in zinc homeostasis in cereals

Members of the basic leucine zipper family, as bZIP19, are considered to be essential regulators of the adaptation to zinc deficiency. Knowing that this gene as well as its targets are conserved in the plant kingdom, we followed an in silico approach to identify and characterize the bzip19 gene in cereals. Through BLASTp in Phytozome database, 33 bzip19 genes were i.. Read More»

Genet. Mol. Res. 16(2): gmr16029558

DOI: 10.4238/gmr16029558