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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Cuticular wax composition in Cocos nucifera L.: Physicochemical analysis of wax components and mapping of their QTLs onto the coconut molecular linkage map
Tree Genetics and Genomes, Volume 5, No. 1, Year 2009
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Description
Cuticular waxes were extracted from the leaves of a coconut mapping population generated by the controlled cross of an East African Tall and a Rennell Island Tall genotype for the construction of molecular linkage maps. The wax composition was analyzed by capillary gas chromatography/mass spectrometry, and for eight of the wax compounds, their absolute and relative amounts were determined. As reported previously for a different coconut ecotype (Malayan Yellow Dwarf), lupeol methyl ether, isoskimmiwallin, and skimmiwallin were identified as the major components of coconut cuticular wax. The additional compounds were characterized as 3-β-methoxy lupane (lupane methyl ether), lupeol and the acetic acid esters of lupeol, skimmiwallinol, and isoskimmiwallinol, respectively. Minor, nonidentified compounds amounted to some 5% of total wax content and included triterpenoids, sterols, primary alcohols, and fatty acids. The variation detected for parents and progeny with respect to the wax components allowed quantitative trait locus (QTL) analyses for their biosynthetic pathways. A total of 46 QTLs could be mapped onto the coconut linkage map which was extended by amplified fragment length polymorphism and single sequence repeat markers into a high density map with more than 1,000 mapped DNA markers. Several colocated QTLs for different traits were detected reflecting the observed correlations among characters. © 2008 Springer-Verlag.
Authors & Co-Authors
Riedel, M.
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Riederer, Markus
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Becker, D.
Germany, Koln
Max Planck Institute for Plant Breeding Research
Herrán, A.
Spain, Derio
Neiker, Basque Institute for Agricultural Research and Development
Kullaya, Alois
Tanzania, Dar es Salaam
Mikocheni Agricultural Research Institute
Arana-López, G.
Mexico, Merida
Centro de Investigacion Cientifica de Yucatan
Peña-Rodríguez, L.
Mexico, Merida
Centro de Investigacion Cientifica de Yucatan
Billotte, Norbert
France, Paris
Cirad
Sniady, V.
Germany, Koln
Max Planck Institute for Plant Breeding Research
Rohde, W.
Germany, Koln
Max Planck Institute for Plant Breeding Research
Mexico, Merida
Centro de Investigacion Cientifica de Yucatan
Ritter, E.
Spain, Derio
Neiker, Basque Institute for Agricultural Research and Development
Statistics
Citations: 25
Authors: 11
Affiliations: 6
Identifiers
Doi:
10.1007/s11295-008-0168-7
ISSN:
16142942
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Study Approach
Quantitative