H.O. Santos
Expression of catalase, alcohol dehydrogenase, and malate dehydrogenase in rot grains upon fungicide use on maize hybrids grown at different spacings
In this study, we evaluated the fungicide effect on the incidence of rot grains and expression of catalase (CAT), alcohol dehydrogenase (ADH), and malate dehydrogenase (MDH) enzymes in commercial maize hybrids grown with conventional and reduced spacing in Guarapuava, PR, Brazil. The experiment was designed in random blocks with a 3 × 8-factorial scheme, total.. Read More»
Genet. Mol. Res. 16(2): gmr16029634
DOI: 10.4238/gmr16029634
Genes related to high temperature tolerance during maize seed germination
The identification of genes related to heat tolerance is fundamental for the development of high-quality seeds that are tolerant to heat stress condition. The objective of this study was to evaluate maize lineages and the gene expression involved in high temperature tolerance during germination using physiological tests, proteomics, and transcriptome analysis. Seeds from six maize lineages (30,.. Read More»
Genet. Mol. Res. 14(4): 2015.December.22.31
DOI: 10.4238/2015.December.22.31
Expression of genes related to tolerance to low temperature for maize seed germination
The aim of this study was to characterize maize lines tolerant to cold temperatures during the germination process. Seeds from lines with different levels of tolerance to low temperatures were used; 3 lines were classified as tolerant and 3 as susceptible to low germination temperatures. A field was set up to multiply seeds from selected lines. After the seeds were harvested and classified, we .. Read More»
Genet. Mol. Res. 14(1): http://dx.doi.org/2015.March.30.28
DOI: http://dx.doi.org/10.4238/2015.March.30.28
Heat-resistant protein expression during germination of maize seeds under water stress
Low water availability is one of the factors that limit agricultural crop development, and hence the development of genotypes with increased water stress tolerance is a challenge in plant breeding programs. Heat-resistant proteins have been widely studied, and are reported to participate in various developmental processes and to accumulate in response to stress. This study aimed to evaluate hea.. Read More»
Genet. Mol. Res. 15(3): gmr.15038535
DOI: 10.4238/gmr.15038535
Physiological quality and gene expression during the development of habanero pepper (Capsicum chinense Jacquin) seeds
Phytohormones have different characteristics and functions, and they may be subject to changes in their gene expression and synthesis during seed development. In this study, we evaluated the physiological qualities of habanero peppers (Capsicum chinense Jacquin) during seed development and the expression of genes involved in germination. Seeds were obtained from fruits harvested at different st.. Read More»
Genet. Mol. Res. 14(2): 2015.May.12.11
DOI: 10.4238/2015.May.12.11
Physiological and enzymatic alterations in sesame seeds submitted to different osmotic potentials
With the imminence of global climate changes that affect the temperature and the rainfall uniformity, it is growing the concern about the adaptation of crops to the water deficit. Thus, the objective of this study was to evaluate alterations in physiological and enzymatic mechanisms during the germination process of sesame seeds under different water availability. T.. Read More»
Genet. Mol. Res. 16(3): gmr16039425
DOI: 10.4238/gmr16039425
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