Parent-of-origin effects on gene expression and DNA methylation in the maize endosperm

ABSTRACT: Imprinting describes the differential expression of alleles based upon their parent of origin. Deep sequencing of RNAs from maize endosperm and embryo tissue 14 days after pollination was used to identify imprinted genes among a set of ~12,000 genes that were expressed and contained sequence polymorphisms between the B73 and Mo17 genotypes. The analysis of parent-of-origin patterns of expression resulted in the identification of 100 putative imprinted genes in maize endosperm including 54 maternally expressed genes (MEGs) and 46 paternally expressed genes (PEGs). Three of these genes have been previously identified as imprinted while the remaining 97 genes represent novel imprinted maize genes. A genome-wide analysis of DNA methylation identified regions with reduced endosperm DNA meth

ORGANISM(S): Zea mays

SUBMITTER: Steve Eichten 

PROVIDER: E-GEOD-33730 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress