Members of the MADS-box transcription factor family play essential roles in almost every
developmental process in plants. Many MADS-box genes have conserved functions across …

DNA methylation is an important epigenetic mark involved in diverse biological processes.
In plants, DNA methylation can be established through the RNA-directed DNA methylation …

MEDEA (MEA) is an Arabidopsis Polycomb group gene that is imprinted in the endosperm.
The maternal allele is expressed and the paternal allele is silent. MEA is controlled by …

Polycomb-group (PcG) genes encode chromatin proteins involved in stable and heritable
transcriptional silencing. PcG proteins participate in distinct multimeric complexes that …

Imprinted genes are expressed primarily or exclusively from either the maternal or paternal
allele, a phenomenon that occurs in flowering plants and mammals. Flowering plant …

Epigenetics refers to heritable changes in patterns of gene expression that occur without
alterations in DNA sequence. The epigenetic mechanisms involve covalent modifications of …

Polyploidization, a widespread phenomenon among plants, is considered a major
speciation mechanism. Polyploid plants have a high degree of immediate post-zygotic …

Genomic imprinting is an epigenetic phenomenon leading to parent-of-origin specific
differential expression of maternally and paternally inherited alleles. In plants, genomic …

Based on their evolutionary origin, MADS box transcription factor genes have been divided
into two classes, namely, type I and II. The plant-specific type II MIKC MADS box genes have …

Parental genomes in the endosperm are marked by differential DNA methylation and are
therefore epigenetically distinct. This epigenetic asymmetry is established in the gametes …