438 research outputs found

    Germination data of four Mediterranean species of coastal sand dunes

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    The present work gathers new germination assays of four Mediterranean species of coastal sand dunes. The studied species are: Anthemis maritima L. subsp. maritima, Crucianella maritima L., Eryngium maritimum L. and Thinopyrum junceum (L.) Á.Löve. Seeds were collected at the time of natural seed dispersal in two sites in the South of Sardinia. The germination tests were carried out at the Sardinian Germplasm Bank (BG-SAR). Our results show a high germination capability and germination rate for the tested plant species

    Exploring the genetic diversity of Ethiopian grass pea (Lathyrus sativus) using EST-SSR markers

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    Expressed sequence tags (ESTs) in public databases and cross-species transferable markers are considered to be a cost-effective means for developing sequence-based markers for less-studied species. In this study, EST-simple sequence repeat (SSR) markers developed from Lathyrus sativus L. EST sequences and cross-transferable EST-SSRs derived from Medicago truncatula L. were utilized to investigate the genetic diversity among grass pea populations from Ethiopia. A total of 45 alleles were detected using eleven EST-SSRs with an average of four alleles per locus. The average polymorphism information content for all primers was 0.416. The average gene diversity was 0.477, ranging from 0.205 for marker Ls942 to 0.804 for MtBA32F05. F(ST) values estimated by analysis of molecular variance were 0.01, 0.15, and 0.84 for among regions, among accessions and within accessions respectively, indicating that most of the variation (84%) resides within accessions. Model-based cluster analysis grouped the accessions into three clusters, grouping accessions irrespective of their collection regions. Among the regions, high levels of diversity were observed in Gojam, Gonder, Shewa and Welo regions, with Gonder region showing a higher number of different alleles. From breeding and conservation aspects, conducting a close study on a specific population would be advisable for genetic improvement in the crop, and it would be appropriate if future collection and conservation plans give due attention to under-represented regions. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s11032-011-9662-y) contains supplementary material, which is available to authorized users

    MIKC type genes of the MADS-box family in wheat: molecular and phylogenetic analysis

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    Este artigo pretende verificar como o discurso das revistas femininas vincula a identidade da mulher portuguesa à beleza física e sensual, projeta uma imagem irreal do ideal de vida feminino e mitifica o papel da sexualidade. O corpus selecionado para esta pesquisa, constitui-se por edições da revista Activa e Happy Woman (Happy Woman), sendo o recorte temporal escolhido de Janeiro a Dezembro de 2012. Os magazines escolhidos constituem atualmente as revista femininas mais lida em Portugal, segundo dados recolhidos pelo estudo Bareme Imprensa do grupo Marktest.This article analyses how the speech of woman magazines relate the identity of the Portuguese women to physical and sexual beauty, project an illusory ideal of feminine life and builds up the myth of sexuality. The corpus selected for this research consists in editions from the magazine Activa and Happy Woman (Happy Woman), published between January and December 2012. The selected magazines are the most read female magazines in Portugal, according to the study Bareme Imprensa from Marktest

    The PDI (Protein Disulfide Isomerase) gene family in wheat

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