Towards the understanding of important coconut endosperm phenotypes: Is there an epigenetic control?

Abstract

© 2018 Public Library of Science. All rights reserved. The coconut is a major crop of many tropical countries, with the endosperm being one of its main products. The coconut soft-endosperm variants, the Makapuno and the Lono, are emerging as economically important. This review describes this crop, its salient endosperm phenotypes and the prevailing hypotheses associated with these. We also collate the literature on the Makapuno and provide a comprehensive review of the scarce information on the Lono. We review the current tenets of plant DNA methylation and provide examples of altered phenotypes associated with such methylation changes. We explore how the changes in the methylome affect endosperm development and the tissue culture process. We further cite the epigenetic basis of an altered endosperm phenotype of a closely related species to the coconut, the oil palm. We discuss how such modifications could affect coconut endosperm development, yielding the Makapuno and Lono phenotypes.

Source or Periodical Title

Agronomy

Document Type

Article

Subject

Coconut, Endosperm Development, Epigenomics, Lono, Makapuno, Tissue Culture, Virgin Coconut Oil

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