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| Bacci Jr.,M.; Miranda,V.F.O.; Martins,V.G.; Figueira,A.V.O.; Lemos,M.V.; Pereira,J.O.; Marino,C.L.. |
| To determine the phylogenetic relationship between sugarcane cultivars and other members of the Saccharinae subtribe, we identified the fast evolving ITS1-5.8S-ITS2 (ITS = internal transcribed spacer; 5.8S = 5.8S ribosomal DNA) region of the sugarcane genome in the Sugarcane Expressed Sequence Tag (SUCEST) genome project database. Parsimony analysis utilizing this region and homologs belonging to the 23 closely related Andropogoneae currently deposited in the GenBank database has shown sugarcane as the sister group of Saccharum sinense. However, because there are few parsimony-informative characters and high homoplasy in the ITS1-5.8S-ITS2 region we were not able to determine with confidence the phylogenetic relationship between sugarcane and some of the... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572001000100023 |
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| Rocha,D.C.; Rodella,R.A.; Marino,C.L.; Martins,D.. |
| This work aims to carry out a comparative analysis using RAPD molecular markers in four Commelina weed species from the state of Paraná and C. benghalensis populations from the states of Paraná and São Paulo, Brazil. The genomic plant DNA sample was extracted from the leaves, separated, randomly fragmented and amplified by PCR. Random amplified polymorphic DNA fragments (RAPD markers) were analyzed by using POPGENE statistical program. Eighty-five primer sequences were tested but only three were suitable as molecular markers producing 37 DNA polymorphic fragments for comparisons among four Commelina species and 22 polymorphic fragments for comparisons among C. benghalensis populations. The results showed that there were inter-specific and intra-specific... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biotype; Commelinaceae; Molecular markers; Weeds. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582009000300001 |
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