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| Provedor de dados: |
Biological Sciences
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| País: |
Brazil
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| Título: |
Genetic similarities among four species of the Plectranthus (L’Hér.) genus - DOI: 10.4025/actascibiolsci.v32i1.880
Genetic similarity among four species of Plectranthus genus - DOI: 10.4025/actascibiolsci.v32i1.880
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| Autores: |
Bandeira, Juliana Magalhães; UFPel
Bianchi, Valmor João; UFPel
Rubin, Sílvia; UFPel
Peters, José Antonio; UFPel
Braga, Eugenia Jacira Bolacel; UFPel
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| Data: |
2009-12-02
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| Ano: |
2009
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| Palavras-chave: |
RAPD
Boldo
Genetic diversity
Medicinal plants Botânica
Genética Vegetal
Genética Molecular e de Microrganismos
Ciências Biológicas
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| Resumo: |
The Plectranthus genus comprises several species generally referred to as boldo, which are highly used in popular medicine due to their anti-dyspeptic, analgesic and digestion-stimulating properties. The amount of natural active principles can vary greatly in the related genotypes, which may lead to the inappropriate use of these plants. This work aimed to analyze the interspecific diversity among four species of the Plectranthus genus (P. grandis, P. barbatus, P. neochilus and P. amboinicus) and the intraspecific diversity of P. barbatus collected from different places in southern Brazil, by means of the RAPD technique. A higher genetic similarity was observed between the P. neochilus and P. amboinicus species (80%), followed by P. grandis and P. barbatus (77%). P. barbatus genotypes from Passo Fundo and Porto Alegre showed a genetic similarity which was close to 100%, while the genetic similarity for P. barbatus genotypes from other locations was higher than 96%. Although a low variability among genotypes of this species was found in this study, RAPD markers allowed a clear differentiation among the analyzed genotypes, showing a 53% mean genetic similarity, with a high correlation value (r = 0.99), which proves a high agreement between the genetic similarity and clustering data.
Medicinal plants are widely used by the population, therefore they are important sources of natural chemical products. Plectranthus includes species related as “boldo” that have anti-dyspeptics, analgesic and stimulants of digestion properties. Related species or genotypes can differ widely in the amount of natural active principles, in such case the lack of genetic fitness can lead to the use of not appropriate plants to the population health. Molecular techniques can be used for DNA-fingerprinting of plants providing its correct identification. This work aimed at verifying the genetic diversity among four species of Plectranthus genus (P. grandis, P. barbatus, P. neochilus e P. amboinicus) collected from different places, using the RAPD technique. Higher genetic similarity was observed between species P. neochilus and P. amboinicus (80%), followed by P. grandis and P. barbatus (77%). P. barbatus genotypes from different places presented higher genetic similarity (near 100%). The variability detected by RAPD markers allowed a clear differentiation among the four analyzed species, showing a genetic similarity average of 53%, with a high correlation value (r = 0.99), demonstrating high representation of the genetic similarity in the graphic.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Português
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| Identificador: |
http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/880
10.4025/actascibiolsci.v32i1.880
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| Editor: |
Universidade Estadual De Maringá
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| Relação: |
http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/880/880
http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/880/5090
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| Formato: |
application/pdf
application/pdf
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| Fonte: |
Acta Scientiarum. Biological Sciences; v. 32, n. 1 (2010); 43-48
Acta Scientiarum. Biological Sciences; v. 32, n. 1 (2010); 43-48
1807-863X
1679-9283
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| Direitos: |
DECLARATION OF ORIGINALITY AND CESSATION OF COPYRIGHTI Declare that current article is original and has not been submitted for publication, in part or in whole, to any other national or international journal. I also declare that once published in the Acta Scientiarum. Biological Sciences, a publication of the Universidade Estadual de Maringá, it will not be submitted by me or by any co-author to any other scientific communication mean. In my name and in the name of co-authors, I shall cede the copyright of the above mentioned article to the Universidade Estadual de Maringá and I declare that I know that the non-observance of this norm may make me liable for the penalties contemplated in the Law for the Protection of Authors’ Rights (Act 9609 of the 19th February 1998).
DECLARAÇÃO DE ORIGINALIDADE E CESSÃO DE DIREITOS AUTORAIS Declaro que o presente artigo é original, não tendo sido submetido à publicação em qualquer outro periódico nacional ou internacional, quer seja em parte ou em sua totalidade. Declaro, ainda, que uma vez publicado na revista Acta Scientiarum. Biological Sciences, editada pela Universidade Estadual de Maringá, o mesmo jamais será submetido por mim ou por qualquer um dos demais co-autores a qualquer outro meio de divulgação científica. Através deste instrumento, em meu nome e em nome dos demais co-autores, porventura existentes, cedo os direitos autorais do referido artigo à Universidade Estadual de Maringá e declaro estar ciente de que a não observância deste compromisso submeterá o infrator a sanções e penas previstas na Lei de Proteção de Direitos Autorias (Nº9609, de 19/02/98).
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