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Tipo de Documento: Artigo
Título : Analysis of genetic diversity of a native population of Myrcia lundiana Kiaersk. plants using ISSR markers
Autor : Alves, Mercia Freitas
Nizio, Daniela Aparecida de Castro
Brito, Fabiany de Andrade
Sampaio, Taís Santos
Muniz, Ana Veruska Cruz da Silva
Arrigoni-Blank, Maria de Fátima
Carvalho, Sheila Valéria Álvares
Blank, Arie Fitzgerald
Fecha de publicación : 2016
Resumen: Myrcia lundiana Kiaersk. is a tree of the family Myrtaceae found in tropical and subtropical areas of the southern hemisphere that produces essential oil. The aim of this study was to characterize the genetic diversity of M. lundiana plants from a native population of Parque Nacional de Itabaiana, using inter-simple sequence repeat molecular markers. Thirty-five primers were tested, 20 of which were polymorphic, resulting in 135 polymorphic and informative bands. Results of the cluster analysis, obtained using the unweighted pair group method with arithmetic mean, grouped plants into three clusters: Cluster I - MLU001, MLU002, MLU003, MLU004, MLU005, MLU006, MLU018, MLU019, MLU020, MLU021, MLU022; MLU008, MLU011, MLU012, MLU014, MLU015, MLU017, MLU026, and MLU028; Cluster II - MLU007, MLU009, MLU010, MLU013, and MLU016; and Cluster III - MLU023, MLU024, MLU025, and MLU027. Jaccard similarity coefficients for pair-wise comparisons of plants ranged between 0.15 and 0.87. MLU014 and MLU015 presented low genetic diversity, with a similarity index of 0.87. Conversely, MLU007 and MLU019 presented high diversity, with a similarity index of 0.15. According to the structure analysis, three distinct clusters were formed. Genetic diversity of M. lundiana plants was intermediate, and expansion of its genetic diversity is necessary. MLU026 and MLU028 are the most suitable for selection in breeding programs, since they clearly represent all of the diversity present in these plants. Moreover, these results provide important information on the existing genetic variability, highlighting the importance of Parque Nacional de Itabaiana for the conservation of this species.
Palabras clave : Myrcia lundiana
Conservation
Genetic diversity
ISSR
Conservação
Diversidade genética
ISSN : 1676-5680
Es parte de: Genetics and Molecular Research
Idioma : eng
Institución / Editorial : Fundação de Pesquisas Científicas de Ribeirão Preto (FUNPEC-RP)
Citación : ALVES, M. F. et al. Analysis of genetic diversity of a native population of Myrcia lundiana Kiaersk. plants using ISSR markers. Genetics and Molecular Research, Ribeirão Preto, v. 15, n. 4, 2016. Disponível em: <https://www.geneticsmr.com/abstract/analysis-of-genetic-diversity-of-a-native-population-of-myrcia-lundiana-kiaersk-plants-using-issr-markers-2090.html>. Acesso em: 01 fev. 2018.
License: Creative Commons Atribuição-Não Comercial-Compartilha Igual 4.0 Internacional (CC BY-NC-SA 4.0)
URI : http://ri.ufs.br/jspui/handle/riufs/7288
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