
Authors: D. Baretta, M. Nardino, I.R. Carvalho, A.J. de Pelegrin, M. Ferrari, V.J. Szareski, W.S. Barros, V.Q. de Souza, A.C. de Oliveira and L.C. da Maia
Lung cancer is the leading cause of cancer death in men and the second leading cause of cancer death in women worldwide. Fascin-1 and laminin-5 were associated with the invasiveness and prognoses of several cancers. The expression and the serum levels of fascin-1 and laminin-5 in patients with non-small cell lung cancer (NSCLC.. Read More»
Authors: E. Gralak, M.V. Faria, A.S.T. Figueiredo, D.A. Rizzardi, M. Neumann, M.C. Mendes, C.A. Scapim and S. Galbeiro
We assessed the impact of genetic divergence and the ability to combine corn hybrids used for the production of silage on the agronomic and bromatological traits of silage quality. We evaluated 18 corn hybrids used as genitors in a circulant diallel scheme in which each genitor hybrid participated in 9 hybrid combinations, and.. Read More»
Authors: L. Pereira-Defilippi, E.M. Pereira, F.M. Silva and G.V. Moro
The relative quantitative real-time expression of two expressed sequence tags (ESTs) codifying for key enzymes in nitrogen metabolism in maize, nitrate reductase (ZmNR), and glutamine synthetase (ZmGln1-3) was performed for genotypes inoculated with Azospirillum brasilense. Two commercial single-cross hybrids (AG7098 and 2B707.. Read More»
Authors: A.D. Lopes1, C.A. Scapim2, C.A. Mangolin3 and M.F.P.S. Machado3
The purpose of this study was to analyze the genetic diversity of 15 sugary-1 sweet corn lines by microsatellite markers. One hundred pairs of simple sequence repeat primers that were mapped for field corn were tested. Of these primers, 15% were polymorphic, and all were selected for the evaluation. These primers identified a total of 39 alleles among the.. Read More»
Authors: Y.T. Yu, G.K. Li, Z.L. Yang, J.G. Hu, J.R. Zheng and X.T. Qi
The development of molecular markers has contributed to progress in identifying the gene(s) responsible for favorable variations in maize studies. In this study, quantitative trait locus (QTL) mapping was conducted using simple sequence repeat markers in an F2 sweet corn population from a cross between parental line 1132 and s.. Read More»
Authors: R.W. Muhammad and A. Qayyum
We estimated the association of genetic parameters with production characters in 64 maize (Zea mays) genotypes in a green house in soil with 40-100% moisture levels (percent of soil moisture capacity). To identify the major parameters that account for variation among the genotypes, we used single linkage cluster analysis and principle component analysis. .. Read More»
Authors: I.B.O. Eloi, C.A. Mangolin, C.A. Scapim, C.S. Gon�§alves and M.F.P.S. Machado
We analyzed genetic structure and diversity among eight populations of popcorn, using SSR loci as genetic markers. Our objectives were to select SSR loci that could be used to estimate genetic diversity within popcorn populations, and to analyze the genetic structure of promising populations with high levels of heterozygosity .. Read More»
Authors: Z.P. Zheng, X.H. Liu, Y.B. Huang, X. Wu, C. He and Z. Li
Days to silking (DTS) is one of the most important traits in maize (Zea mays). To investigate its genetic basis, a recombinant inbred line population was subjected to high and low nitrogen (N) regimes to detect quantitative trait loci (QTLs) associated with DTS. Three QTLs were identified under the high N regime; these explain.. Read More»
Authors: G.Q. Hui1, G.Q. Wen2, X.H. Liu2, H.P. Yang1, Q. Luo1, H.X. Song3, L. Wen3,Y. Sun4 and H.M. Zhang1,5
Maize (Zea mays L.) kernel width is one of the most important traits that is related to yield and appearance. To understand its genetic mechanisms more clearly, a recombinant inbred line (RIL) segregation population consisting of 239 RILs was used for quantitative trait locus (QTL) mapping for kernel width. We found four QTLs on chromosomes 3 (one), 5 (tw.. Read More»
Authors: H.S. Nie, S.P. Li, X.H. Shan, Y. Wu, S.Z. Su, H.K. Liu, J.Y. Han and Y.P. Yuan
Heterosis has greatly contributed to conventional plant breeding and is widely used to increase crop plant productivity. However, although some studies have explored the mechanisms of heterosis at the genomic and transcriptome level, these mechanisms still remain unclear. The growth and development of maize seedlings and immat.. Read More»