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CitEST libraries Genet. Mol. Biol.
Targon,Maria Luísa P. Natividade; Takita,Marco Aurélio; Amaral,Alexandre M. do; Souza,Alessandra A. de; Locali-Fabris,Eliane Cristina; Dorta,Sílvia de Oliveira; Borges,Kleber Martins; Souza,Juliana Mendonça de; Rodrigues,Carolina Munari; Lucheta,Adriano Reis; Freitas-Astúa,Juliana; Machado,Marcos Antonio.
In order to obtain a better understanding of what is citrus, 33 cDNA libraries were constructed from different citrus species and genera. Total RNA was extracted from fruits, leaves, flowers, bark, seeds and roots, and subjected or not to different biotic and abiotic stresses (pathogens and drought) and at several developmental stages. To identify putative promoter sequences, as well as molecular markers that could be useful for breeding programs, one shotgun library was prepared from sweet orange (Citrus sinensis var. Olimpia). In addition, EST libraries were also constructed for a citrus pathogen, the oomycete Phythophthora parasitica in either virulent or avirulent form. A total of 286,559 cDNA clones from citrus were sequenced from their 5’ end,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: ESTs; Shotgun; Citrus; Phytopathogen.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572007000500030
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Sulfur in agriculture Rev. Bras. Ciênc. Solo
Lucheta,Adriano Reis; Lambais,Marcio Rodrigues.
Sulfur (S) deficiency in soils is becoming increasingly common in many areas of the world as a result of agronomic practices, high biomass exportation and reduced S emissions to the atmosphere. In this review, the incidence and commercial exploitation of S pools in nature are discussed, as well as the importance of S for plants and the organic and inorganic S forms in soil and their transformations, especially the process of microbiological oxidation of elemental sulfur (S0) as an alternative to the replenishment of S levels in the soil. The diversity of S0-oxidizing microorganisms in soils, in particular the genus Thiobacillus, and the biochemical mechanisms of S0 oxidation in bacteria were also addressed. Finally, the main methods to measure the S0...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fertilization; Agriculture; Microbial diversity; Soil fertility.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832012000500001
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