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Plant Genetics   Research Article

Characterization of aapP and nopP genes related to the biological nitrogen fixation efficiency with soybean in contrasting strains of Bradyrhizobium japonicum

Authors: J.G. Perin, M.B.D. Bertéli, J.S. do Valle, G.A. Linde, L.D. Paccola-Meirelles, N.B. Colauto and F.G. Barcellos

Soybean (Glycine max) is considered one of the most economically important agricultural crops in Brazil. Due to the high protein content of its grains, this crop demands a greater amount of nitrogen (N) for production. In general, for soybean, nitrogen fertilization costs through chemical fertilizers are considered high. Howev.. Read More»

Genet. Mol. Res. 17(1):
gmr16039867
DOI:
10.4238/gmr16039867
Plant Genetics   Research Article

First record of soybean stem fly Melanagromyza sojae (Diptera: Agromyzidae) in Paraguay confirmed by molecular evidence

Authors: J.V.C. Guedes, J.A. Arnemann, L.E. Curioletti, L.M. Burtet, M.L. Ramírez-Paredes, D. Noschang, F. Irala de Oliveira and W.T. Tay

We provided the first scientific record of Melanagromyza sojae (Zehntner, 1900), through molecular characterization of partial mtDNA COI gene, that confirms the occurrence of this pest in Paraguay. Previously reported in Brazil, an outbreak of larvae of M. sojae known as the soybean stem fly (SSF) that belongs to the family Ag.. Read More»

Genet. Mol. Res. 16(3):
gmr16039707
DOI:
10.4238/gmr16039707
Plant Genetics   Research Article

Evaluation of genetic diversity among soybean (Glycine max) genotypes using univariate and multivariate analysis

Authors: M.M. Oliveira, L.B. Sousa, M.C. Reis, E.G. Silva Junior, D.B.O. Cardoso, O.T. Hamawaki and A.P.O. Nogueira

The genetic diversity study has paramount importance in breeding programs; hence, it allows selection and choice of the parental genetic divergence, which have the agronomic traits desired by the breeder. This study aimed to characterize the genetic divergence between 24 soybean genotypes through their agronomic traits, using .. Read More»

Genet. Mol. Res. 16(2):
gmr16029661
DOI:
10.4238/gmr16029661
Plant Genetics   Research Article

Quantative trait loci of seed traits for soybean in multiple environments

Authors: J.Y. Che, J.J. Ding4, C.Y. Liu, D.W. Xin, H.W. Jiang, G.H. Hu and Q.S. Chen

Seed length and seed width are an important factor to the soybean yield. So the quantitative trait loci (QTL) location for seed length and seed width could assistant the breeding of soybean. In this study, the QTL underlying seed length and seed width were studied. A recombinant inbred line population of soybeans derived from .. Read More»

Genet. Mol. Res. 13(2):
http://dx.doi.org/2014.May.23.11
DOI:
http://dx.doi.org/10.4238/2014.May.23.11
Plant Genetics   Research Article

Isolation and expression analysis of the soybean GmPic gene

Authors: A.-H. Sha, H. Wu, X.-M. Fu, Q.-L. Zhang, Q.-L. Guo, Y.-H. Chen and X.-A. Zhou

The differential screening method was used to isolate the soy photoperiodic response-related genes and to further elucidate the molecular mechanisms of the soybean photoperiodic response. The light-sensitive species Zhong Dou 24 was used to receive long-time sunshine, short-time sunshine, and natural sunshine treatment. The cD.. Read More»

Genet. Mol. Res. 13(2):
http://dx.doi.org/2014.June.11.2
DOI:
http://dx.doi.org/10.4238/2014.June.11.2
Plant Genetics   Research Article

Selecting soybean resistant to the cyst nematode Heterodera glycines using simple sequence repeat (microssatellite) markers

Authors: S.M.C.G. Espindola O.T. Hamawaki A.P. Oliveira C.D.L. Hamawaki R.L. Hamawaki L.M. Takahashi

The soybean cyst nematode (SCN) is a major cause of soybean yield reduction. The objective of this study was to evaluate the efficiency of marker-assisted selection to identify genotypes resistant to SCN race 3 infection, using Sat_168 and Sat-141 resistance quantitative trait loci. The experiment was carried out under greenhouse conditions, using soybean.. Read More»

Genet. Mol. Res. 15(1):
gmr.15016850
DOI:
10.4238/gmr.15016850
Plant Genetics   Research Article

Iron translocation in Pleurotus ostreatus basidiocarps: production, bioavailability, and antioxidant activity

Authors: M.E. Yokota1, P.S. Frison1, R.C. Marcante1, L.F. Jorge1, J.S. Valle1, D.C. Dragunski2, N.B. Colauto1 and G.A. Linde10

Translocation of minerals from substrate to mushrooms can change the medicinal characteristics, commercial value, and biological efficiency of mushroom. In the present study, we demonstrated that addition of iron to the substrate reduces the yield of Pleurotus ostreatus mushroom. The biological efficiency of the mushroom varied from 36.53% on the unsupple.. Read More»

Genet. Mol. Res. 15(1):
gmr.15017888
DOI:
10.4238/gmr.15017888
Plant Genetics   Research Article

Cloning and functional prediction of differentially expressed genes in the leaves of Glycine max parents and hybrids at the seedling stage

Authors: J. Zhang, D. Yao, P. Wang, S.Y. Guan, J. Ma and Y.P. Fu

Here, we compare the molecular mechanism of soybean heterosis through the differential expression of basic cloning. Specifically, we cloned 22 differentially expressed cDNA fragments from hybrid combinations of Jilin 38 x EXP (which had obvious yield advantages) and their parents. In addition, we compared the homology of these.. Read More»

Genet. Mol. Res. 13(3):
2014.February.13.15
DOI:
10.4238/2014.February.13.15
Plant Genetics   Research Article

Esterase polymorphisms for analysis of genetic diversity and structure of soybean (Glycine max) cultivars

Authors: L.C. Valentini, C.A. Mangolin, S.A.O. Collet and M.F.P.S. Machado

We used native polyacrylamide gel electrophoresis to identify polymorphism levels in a- and b-esterase loci from leaf tissues of Brazilian soybean cultivars for the analysis of population genetic diversity and structure, and to investigate relationships between conventional and genetically modified cultivars. The cultivars inc.. Read More»

Genet. Mol. Res. 10(4):
2011.October.13.4
DOI:
10.4238/2011.October.13.4
Plant Genetics   Research Article

Genetic analysis of the major gene plus polygene model in soybean resistance to Leguminivora glycinivorella

Authors: J. Zhang, D. Yao, J. Ma, Y.-P. Fu, J. Qu and P.-W. Wang

In order to investigate the genetic characteristics of soybean Leguminivora glycinivorella resistance and to improve soybean resistance insectivorous breeding efficiency by applying the multi-generation joint analysis method of the major gene plus polygene model, 5 pedigrees and generations (P1, F1, P2, F2, and F2:3) .. Read More»

Genet. Mol. Res. 13(3):
2014.July.4.13
DOI:
10.4238/2014.July.4.13