PerronGordonBousquet1995

Référence

Perron, M., Gordon, A.G., Bousquet, J. (1995) Species-Specific Rapd Fingerprints for the Closely-Related Picea-Mariana and P-Rubens. Theoretical and Applied Genetics, 91(1):142-149.

Résumé

Species-specific molecular markers were designed to assist in the identification of closely related black spruce (Picea mariana [B.S.P.] Mill) and red spruce (P. rubens Sarg.) in northeastern North America. Trees from six provenances of black spruce and three provenances of red spruce were sampled from outside the sympatric zone. They were first classified using a composite index of five qualitative morphological traits. The species-specific genetic markers were developed using random amplified polymorphic DNAs (RAPD) and a combination of bulk sample and individual tree analyses. Each species bulk sample was constructed from DNAs obtained from 12 trees that were from outside the sympatric zone and showed a morphological composite index specific of each species. A total of 161 primers were screened with the bulk samples. From these, 52 primers showing segregating fingerprints were further screened with the individual trees. Most of the markers observed were shared by the two species, and there was less diversity in P. rubens. A small number of markers were found to be monomorphic or nearly monomorphic and specific to either P. mariana or P. rubens. These markers remained species-specific when F-1 progenies derived from independent intraspecific crosses were screened, and they were subsequently found to co-segregate in hybrids derived from independent interspecific crosses here used as controls.

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@ARTICLE { PerronGordonBousquet1995,
    AUTHOR = { Perron, M. and Gordon, A.G. and Bousquet, J. },
    TITLE = { Species-Specific Rapd Fingerprints for the Closely-Related Picea-Mariana and P-Rubens },
    JOURNAL = { Theoretical and Applied Genetics },
    YEAR = { 1995 },
    VOLUME = { 91 },
    PAGES = { 142-149 },
    NUMBER = { 1 },
    NOTE = { Times Cited: 37 Article English Cited References Count: 24 Rj834 },
    ABSTRACT = { Species-specific molecular markers were designed to assist in the identification of closely related black spruce (Picea mariana [B.S.P.] Mill) and red spruce (P. rubens Sarg.) in northeastern North America. Trees from six provenances of black spruce and three provenances of red spruce were sampled from outside the sympatric zone. They were first classified using a composite index of five qualitative morphological traits. The species-specific genetic markers were developed using random amplified polymorphic DNAs (RAPD) and a combination of bulk sample and individual tree analyses. Each species bulk sample was constructed from DNAs obtained from 12 trees that were from outside the sympatric zone and showed a morphological composite index specific of each species. A total of 161 primers were screened with the bulk samples. From these, 52 primers showing segregating fingerprints were further screened with the individual trees. Most of the markers observed were shared by the two species, and there was less diversity in P. rubens. A small number of markers were found to be monomorphic or nearly monomorphic and specific to either P. mariana or P. rubens. These markers remained species-specific when F-1 progenies derived from independent intraspecific crosses were screened, and they were subsequently found to co-segregate in hybrids derived from independent interspecific crosses here used as controls. },
    KEYWORDS = { DNA fingerprint molecular markers picea mariana picea rubens rapd chloroplast DNA introgression populations sitchensis hybrids glauca zones },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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