<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Using PCR-RFLP analysis, a comparative study on the restriction site polymorphism within 8 genes and regions of the Abies chloroplast DNA has been conducted covering 15 Asian, 6 North American and 7 Mediterranean species. A variable degree of divergence was observed among individual species of a given region as well as between geographical groups. A group of the Mediterranean firs, consisting of closely related species, differed profoundly from both Asian and North American representatives. Although a higher level of restriction site variants was detected among the Asian firs, two thirds of them were allocated to the difference between A. mariesii and the other Asian firs. The North American species exhibited the highest level of polymorphism resulting in several subgroups on a cladogram. At the individual species level, the Asian species A. mariesii and the North American species A. lasiocarpa diverged conspicuously from their counterparts in their respective regions. The results of restriction site polymorphism analysis are discussed with ragard to crossability and taxonomic status of individual species.</p></abstract>

Using PCR-RFLP analysis, a comparative study on the restriction site polymorphism within 8 genes and regions of the Abies chloroplast DNA has been conducted covering 15 Asian, 6 North American and 7 Mediterranean species. A variable degree of divergence was observed among individual species of a given region as well as between geographical groups. A group of the Mediterranean firs, consisting of closely related species, differed profoundly from both Asian and North American representatives. Although a higher level of restriction site variants was detected among the Asian firs, two thirds of them were allocated to the difference between A. mariesii and the other Asian firs. The North American species exhibited the highest level of polymorphism resulting in several subgroups on a cladogram. At the individual species level, the Asian species A. mariesii and the North American species A. lasiocarpa diverged conspicuously from their counterparts in their respective regions. The results of restriction site polymorphism analysis are discussed with ragard to crossability and taxonomic status of individual species.

Chloroplast DNA Variation in Some Representatives of the Asian, North American and Mediterranean Firs (Abies spp)

Silvae Genetica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Using PCR-RFLP analysis, a comparative study on the restriction site polymorphism within 8 genes and regions of the Abies chloroplast DNA has been conducted...

Chloroplast DNA Variation in Some Representatives of the Asian, North American and Mediterranean Firs (Abies spp)

Pubblicato online: 27 ott 2017

Pagine: 99 - 104

Ricevuto: 30 gen 2004

DOI: https://doi.org/10.1515/sg-2004-0018

Parole chiave
Abies, chloroplast DNA, restriction site variation, relationships, species differentiation

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Chloroplast DNA Variation in Some Representatives of the Asian, North American and Mediterranean Firs (Abies spp)

Pubblicato online: 27 ott 2017

Pagine: 99 - 104

Ricevuto: 30 gen 2004

DOI: https://doi.org/10.1515/sg-2004-0018

Parole chiaveAbies, chloroplast DNA, restriction site variation, relationships, species differentiation

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Parole chiave
Abies, chloroplast DNA, restriction site variation, relationships, species differentiation