DNA methylation and expression of the EgDEF1 gene and neighboring retrotransposons in mantled somaclonal variants of oil palm. oleh Estelle Jaligot, Wei Yeng Hooi, Emilie Debladis, Frédérique Richaud, Thierry Beulé, Myriam Collin, Mawussé D T Agbessi, François Sabot, Olivier Garsmeur, Angélique D'Hont, Sharifah Shahrul Rabiah Syed Alwee, Alain Rival