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Agronomy 2018, 8(10), 225; https://doi.org/10.3390/agronomy8100225

Towards the Understanding of Important Coconut Endosperm Phenotypes: Is there an Epigenetic Control?

1
Philippine Genome Center—Program for Agriculture, Livestock, Forestry and Fisheries, Office of the Vice-Chancellor for Research and Extension, University of the Philippines Los Baños, Los Baños, 4031 Laguna, Philippines
2
Genetics and Molecular Biology Division, Institute of Biological Sciences, College of Arts and Sciences, University of the Philippines Los Baños, Los Baños 4031 Laguna, Philippines
3
Philippine Coconut Authority—Albay Research Center, Guinobatan, 4503 Albay, Philippines
4
Biochemistry Laboratory, Institute of Plant Breeding, College of Agriculture and Food Science, University of the Philippines Los Baños, Los Baños, 4031 Laguna, Philippines
*
Author to whom correspondence should be addressed.
Received: 24 July 2018 / Revised: 28 September 2018 / Accepted: 28 September 2018 / Published: 13 October 2018
(This article belongs to the Special Issue The Regulatory Functions of Epigenetic Mechanisms in Plants)
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Abstract

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. View Full-Text
Keywords: coconut; Makapuno; Lono; epigenomics; endosperm development; tissue culture; virgin coconut oil coconut; Makapuno; Lono; epigenomics; endosperm development; tissue culture; virgin coconut oil
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Angeles, J.G.C.; Lado, J.P.; Pascual, E.D.; Cueto, C.A.; Laurena, A.C.; Laude, R.P. Towards the Understanding of Important Coconut Endosperm Phenotypes: Is there an Epigenetic Control? Agronomy 2018, 8, 225.

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