E.V.R. Von Pinho
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
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
Physiological quality and gene expression related to heat-resistant proteins at different stages of development of maize seeds
We quantified and characterized the expression of heat-resistant proteins during seed development of maize lines with distinct levels of tolerance to high drying temperature. A corn field was planted for multiplication of seeds of different lines, two tolerant and two non-tolerant to high drying temperatures. Harvest of the seeds was carried out at various stages of development and they were th.. Read More»
Genet. Mol. Res. 12(3): 2013.September.13.7
DOI: 10.4238/2013.September.13.7
Gene expression in the lignin biosynthesis pathway during soybean seed development
The study of gene expression in plants is fundamental, and understanding the molecular mechanisms involved in important biological processes, such as biochemical pathways or signaling that are used or manipulated in improvement programs, are key for the production of high-quality soybean seeds. Reports related to gene expression of lignin in seeds are scarce in the literature. We studied the ex.. Read More»
Genet. Mol. Res. 12(3): 2013.February.28.2
DOI: 10.4238/2013.February.28.2
Gene expression of coffee seed oxidation and germination processes during drying
Coffee (Coffea arabica L.) seeds are sensitive to desiccation and oxidative stress during drying processes. We investigated the effect of drying and moisture levels on germination-related gene expressions associated with enzymatic systems that prevent oxidative stress in coffee seeds. Coffee seeds collected at physiological maturity were subjected to slow and quick drying to 40, 30, 20, and 12%.. Read More»
Genet. Mol. Res. 12(4): 2013
DOI: 10.4238/2013
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
Identification of earl millet cultivars using both microsatellites and enzymatic markers
The increasing number of protected and registered cultivars and problems involving seed commercialization make distinction and identification of cultivars imperative. Millet (Pennisetum glaucum), a crop species with protected cultivars in Brazil, has been the target of seed piracy. Thus, with the objective of identifying different lots with regard to origin, we characterized six cultivars of comme.. Read More»
Genet. Mol. Res. 12(1): 2013.January.7.1
DOI: 10.4238/2013.January.7.1
Relationship among physiological quality, heterosis, and amylase gene expression in maize seeds
In this study, we analyzed heterosis, amylase enzyme gene expression, and the physiological quality of maize seeds with different genotypes and sizes, which were subjected to aging and not subjected to aging. We used seeds from 2 maize lines that differed with regard to physiological quality, the hybrid, and the reciprocal hybrid; they were classified into 2 sizes and were subjected to aging an.. Read More»
Genet. Mol. Res. 14(3): 2015.July.31.10
DOI: 10.4238/2015.July.31.10
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