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Registros recuperados: 7
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Characterization of Brazilian soybean cultivars using microsatellite markers Genet. Mol. Biol.
Priolli,Regina Helena Geribello; Mendes-Junior,Celso Teixeira; Arantes,Neylson Eustáquio; Contel,Eucleia Primo Betioli.
Microsatellite markers or SSR (Simple Sequence Repeats) have proved to be an excellent tool for cultivar identification, pedigree analysis and the evaluation of genetic distance among organisms. Soybean cultivars have been characterized mainly by morphological and biochemical traits. However, these traits have not been sufficient to characterize the large number of cultivars eligible to receive protection under the Brazilian Cultivar Protection Act. In order to define new soybean cultivar markers, the alleles of twelve SSR loci of 186 Brazilian soybean cultivars were studied by estimating the variation in their size range and their respective frequencies. On average, 5.3 alleles per locus were detected, with a mean genetic diversity of 0.64 ± 0.12. These...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max (L.) Merrill; Simple sequence repeat; Microsatellites; Molecular markers; Soybean elite cultivars.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572002000200012
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Development of trinucleotide (GGC)n SSR markers in peanut (Arachis hypogaea L.) Electron. J. Biotechnol.
Yuan,Mei; Gong,Limin; Meng,Ronghua; Li,Shuangling; Dang,Phat; Guo,Baozhu; He,Guohao.
Cultivated peanut (Arachis hypogaea L.) is an oilseed crop of economic importance. It is native to South America, and it is grown extensively in the semi-arid tropics of Asia, Africa, and Latin America. Given an extremely narrow genetic base, efforts are being made to develop simple sequence repeat (SSR) markers to provide useful genetic and genomic tools for the peanut research community. A SSR-enriched library to isolate trinucleotide (GGC)n SSRs in peanut was constructed. A total of 143 unique sequences containing (GGC)n repeats were identified. One hundred thirty eight primer pairs were successfully designed at the flanking regions of SSRs. A suitable polymerase was chosen to amplify these GC-rich sequences. Although a low level of polymorphism was...
Tipo: Journal article Palavras-chave: Cultivated peanut; Microsatellites; Polymorphism; Simple sequence repeat.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582010000600005
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Genetic divergence among accessions of melon from traditional agriculture of the Brazilian Northeast. Repositório Alice
ARAGAO, F. A. S.; TORRES FILHO, J.; NUNES, G. H. S.; QUEIRÓZ, M. A.; BORDALLO, P. do N.; BUSO, G. S. C.; FERREIRA, M. A.; COSTA, Z. P.; BEZERRA NETO, F..
Tipo: Separatas Palavras-chave: Simple sequence repeat; Cluster; Descriptors; Cucumis Melo; Germplasm.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/980721
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Genetic variability of Brazilian Indian landraces of Arachis hypogaea L. Repositório Alice
FREITAS, F. O.; MORETZSOHN, M. C.; VALLS, J. F. M..
Tipo: Separatas Palavras-chave: Groundnut; Peanut; Microsatellite; Simple sequence repeat; Microssatélite; Amendoim; Arachis Hypogaea; Genetic relationships.
Ano: 2007 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/189217
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Isolation of simple sequence repeats from groundnut Electron. J. Biotechnol.
Tang Wang,Chuan; Dao Yang,Xin; Xu Chen,Dian; Lin Yu,Shan; Zhen Liu,Guang; Yi Tang,Yue; Zhi Xu,Jian.
SSRs have proved to be the most powerful tool for variety identification in groundnut of similar origin, and have much potential in genetic and breeding studies. To facilitate SSR discovery in groundnut, we proposed a highly simplified SSR isolation protocol based on multiple enzyme digestion/ligation, mixed biotin-labeled probes and streptavidin coated magnetic beads hybridization capture strategy. Of the 272 colonies randomly picked for sequencing, 119 were found to have unique SSR inserts
Tipo: Journal article Palavras-chave: Groundnut; Isolation; Simple sequence repeat.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582007000300015
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Mating system in a natural population of Theobroma grandiflorum (Willd. ex Spreng.) Schum., by microsatellite markers Genet. Mol. Biol.
Alves,Rafael M.; Artero,Angela S.; Sebbenn,Alexandre M.; Figueira,Antonio.
The aim of this research was to study the mating system of a natural population of Theobroma grandiflorum (cupuassu) from Nova Ipixuna, Pará state, using microsatellite markers. Eight polymorphic microsatellite loci were analyzed in eight families, each represented by 10 six-month old seedlings derived from open-pollinated pods. The estimation for the multilocus outcrossing rate (<img border=0 id="_x0000_i1026" src="../../img/revistas/gmb/v26n3/a25img01.gif" align=absmiddle>m = 1.0) and individual outcrossing rate (<img border=0 id="_x0000_i1027" src="../../img/revistas/gmb/v26n3/a25img01.gif" align=absmiddle> = 1.0) for this population suggests that T. grandiflorum may be a perfect outbreeding (allogamous) species. Likewise, for the studied...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazonia; Germplasm; Cupuassu; Genetic conservation; Simple sequence repeat.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572003000300025
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The genetic diversity among strawberry breeding resources based on SSRs Scientia Agricola
Lim,Soohwan; Lee,Jeongyeo; Lee,Hyun Joo; Park,Kun-Hyang; Kim,Dae-Soo; Min,Sung Ran; Jang,Won Seok; Kim,Tae II; Kim,HyeRan.
ABSTRACT: Cultivated strawberry (Fragaria × ananassa Duch.) is a high value horticultural crop. In this study, the genetic diversity of 160 strawberry accessions was determined using five highly polymorphic simple sequence repeat (SSR) markers. Sixty different alleles were identified, with allele frequencies in the range of 0.006 to1. Similarity scores were in the range of 0.034 to 0.963 (average: 0.507). The accessions were categorized into five groups. Group 1 contained two diploid Fragaria vesca species and one unknown accession. Group 2 contained one accession (F x ananassa). Group 3 contained 20 F × ananassa accessions and six unknown accessions. Group 4 contained 48 F. × ananassa accessions, one octaploid Fragaria chiloensis species, and six unknown...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fragaria × ananassa; Simple sequence repeat; Cultivar identification.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162017000300226
Registros recuperados: 7
Primeira ... 1 ... Última
 

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