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Maize

Plant Genetics   Research Article

Genome-wide analysis of the maize (Zea may L.) CPP-like gene family and expression profiling under abiotic stress

Authors: X.Y. Song, Y.Y. Zhang, F.C. Wu and L. Zhang

Cysteine-rich polycomb-like (CPP) proteins are members of a small family of transcription factors, which have been identified and characterized in Arabidopsis, rice, and soybean. In this study, we investigated CPP-like genes in the maize genome. The results revealed 13 putative CPP-like genes, which were found to encode 17 distinct transcripts and were di.. Read More»

Genet. Mol. Res. 15(3):
gmr.15038023
DOI:
10.4238/gmr.15038023
Plant Genetics   Research Article

Genetic analysis of two new quantitative trait loci for ear weight in maize inbred line Huangzao4

Authors: X.-H. Liu, Z.-P. Zheng, Z.-B. Tan, Z. Li and C. He

Ear weight is one of the most important agronomic traits considered necessary in maize (Zea mays L.) breeding projects. To determine its genetic basis, a population consisting of 239 recombinant inbred lines, derived from the cross Mo17 x Huangzao4, was used to detect quantitative trait loci (QTLs) for ear weight under two nit.. Read More»

Genet. Mol. Res. 9(4):
vol9-4gmr858
DOI:
10.4238/vol9-4gmr858
Plant Genetics   Research Article

Genome-wide identification, classification, and analysis of two-component signal system genes in maize

Authors: Z.X. Chu, Q. Ma, Y.X. Lin, X.L. Tang, Y.Q. Zhou, S.W. Zhu, J. Fan and B.J. Cheng

Cytokinins play many vital roles in plant development and physiology. In plants, cytokinin signals are sensed and transduced by the two-component signal system. This signaling cascade is typically composed of three proteins: a sensory histidine kinase, a histidine phosphotransfer protein, and a response regulator. Through a co.. Read More»

Genet. Mol. Res. 10(4):
2011.December.8.3
DOI:
10.4238/2011.December.8.3
Plant Genetics   Research Article

Detection of genetically modified maize and soybean in feed samples

Authors: S. Meri�§, ��. ��ak�±r, N. Turgut-Kara and ��. Ar�±1,

Despite the controversy about genetically modified (GM) plants, they are still incrementally cultivated. In recent years, many food and feed products produced by genetic engineering technology have appeared on store shelves. Controlling the production and legal presentation of GM crops are very important for the environment an.. Read More»

Genet. Mol. Res. 13(1):
http://dx.doi.org/2014.February.25.2
DOI:
http://dx.doi.org/10.4238/2014.February.25.2
Plant Genetics   Research Article

Prediction of maize hybrid performance using similarity in state and similarity by descent information

Authors: D.V. Ferreira, R.G. Von Pinho, M. Balestre and R.L. Oliveira

We evaluated the efficiency of the best linear unbiased predictor (BLUP) and the influence of the use of similarity in state (SIS) and similarity by descent (SBD) in the prediction of untested maize hybrids. Nine inbred lines of maize were crossed using a randomized complete diallel method. These materials were genotyped with .. Read More»

Genet. Mol. Res. 9(4):
vol9-4gmr955
DOI:
10.4238/vol9-4gmr955
Plant Genetics   Research Article

Cloning and functional analysis of the promoter of a maize starch synthase III gene (ZmDULL1)

Authors: J.D. Wu, C.P. Jiang, H.S. Zhu, H.Y. Jiang, B.J. Cheng and S.W. Zhu

The ZmDULL1 gene encodes a starch synthase and is a determinant of the structure of endosperm starch in maize (Zea mays L.). However, little is known regarding the regulatory mechanism of the ZmDULL1 gene. In this study, we isolated and characterized the ZmDULL1 promoter (PDULL1), which is the 5' flanking region of ZmDULL1 in maize. Sequence analysis show.. Read More»

Genet. Mol. Res. 14(2):
2015.May.22.17
DOI:
10.4238/2015.May.22.17
Plant Genetics   Research Article

Genetic diversity, population structure, and association mapping of agronomic traits in waxy and normal maize inbred lines

Authors: K.J. Sa, J.Y. Park, S.H. Choi, B.W. Kim, K.J. Park and J.K. Lee

Understanding genetic diversity, population structure, and linkage disequilibrium is a prerequisite for the association mapping of complex traits in a target population. In this study, the genetic diversity and population structure of 40 waxy and 40 normal inbred maize lines were investigated using 10 morphological traits and 200 simple sequence repeat (S.. Read More»

Genet. Mol. Res. 14(3):
2015.July.3.26
DOI:
10.4238/2015.July.3.26
Plant Genetics   Research Article

Influence of sugars and hormones on the genes involved in sucrose metabolism in maize endosperms

Authors: X.D. Ren, H.M. Liu, Y.H. Liu, Y.F. Hu, J.J. Zhang and Y.B. Huang

Starch is the major storage product in the endosperm of cereals. Its synthesis is closely related to sucrose metabolism. In our previous study, we found that the expression of most of the genes involved in starch synthesis might be regulated by sugars and hormones in the maize endosperm. However, little is known regarding the transcriptional regulation of.. Read More»

Genet. Mol. Res. 14(1):
2015.March.6.13
DOI:
10.4238/2015.March.6.13
Plant Genetics   Research Article

Variation characteristics of the nitrate reductase gene of key inbred maize lines and derived lines in China

Authors: J.J. Zhang, X.Q. Zhang, Y.H. Liu, H.M. Liu, Y.B. Wang, M.L. Tian and Y.B. Huang

Key inbred lines have played a fundamental role in maize genetics and breeding. Research on variation characteristics of key genes from key inbred lines and from derived lines is important for early identification and evaluation of inbred maize lines. The nitrate reductase (NR) gene, which plays a central role in nitrate acqui.. Read More»

Genet. Mol. Res. 9(3):
vol9-3gmr931
DOI:
10.4238/vol9-3gmr931
Plant Genetics   Research Article

Effects of using phenotypic means and genotypic values in GGE biplot analyses on genotype by environment studies on tropical maize (Zea mays)

Authors: I.S.C. Granato, R. Fritsche-Neto, M.D.V. Resende and F.F. Silva

The objective of this study was to examine the effects of the type and intensity of nutritional stress, and of the statistical treatment of the data, on the genotype x environment (G x E) interaction for tropical maize (Zea mays). For this purpose, 39 hybrid combinations were evaluated under low- and high-nitrogen and -phospho.. Read More»

Genet. Mol. Res. 15(4):
gmr.15048747
DOI:
10.4238/gmr.15048747