<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Carapa guianensis is a widespread Neotropical tree species that produces a seed adapted for water dispersal. We conducted a pilot study of chloroplast DNA (cpDNA) variation in order to investigate the consequences of hydrochory on genetic diversity and geographic population structure in the lower Amazon basin. A survey of cpDNA haplotype variation reveals a strong regional structure, which suggests limited gene flow by seeds. Within site variation was detected only in one floodplain forest (varzea), suggesting that seed dispersal by water in these forests has the potential to mix maternal lineages. Several phylogeographic hypotheses are discussed with respect to these data.</p></abstract>

Carapa guianensis is a widespread Neotropical tree species that produces a seed adapted for water dispersal. We conducted a pilot study of chloroplast DNA (cpDNA) variation in order to investigate the consequences of hydrochory on genetic diversity and geographic population structure in the lower Amazon basin. A survey of cpDNA haplotype variation reveals a strong regional structure, which suggests limited gene flow by seeds. Within site variation was detected only in one floodplain forest (varzea), suggesting that seed dispersal by water in these forests has the potential to mix maternal lineages. Several phylogeographic hypotheses are discussed with respect to these data.

Chloroplast DNA Variation of Carapa guianensis in the Amazon basin

Silvae Genetica

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

{"article-title":"Chloroplast DNA Variation of Carapa guianensis in the Amazon basin"}

Carapa guianensis is a widespread Neotropical tree species that produces a seed adapted for water dispersal. We conducted a pilot study of chloroplast DNA...

Chloroplast DNA Variation of Carapa guianensis in the Amazon basin

Publié en ligne: 19 oct. 2017

Pages: 270 - 274

Reçu: 01 juin 2005

DOI: https://doi.org/10.1515/sg-2005-0039

Mots clés
cpDNA, Amazonia, Amazon River, Carapa guianensis, seed dispersal

© 2017

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

Chloroplast DNA Variation of Carapa guianensis in the Amazon basin

Publié en ligne: 19 oct. 2017

Pages: 270 - 274

Reçu: 01 juin 2005

DOI: https://doi.org/10.1515/sg-2005-0039

Mots cléscpDNA, Amazonia, Amazon River, Carapa guianensis, seed dispersal

© 2017

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

Mots clés
cpDNA, Amazonia, Amazon River, Carapa guianensis, seed dispersal