Stage-specific transcriptional changes during zygotic embryogenesis in maritime pine (Pinus pinaster Ait.)

ABSTRACT: The significant morphological differences observed during embryo development in angiosperms and gymnosperms are expected to be the result of a differential control of gene expression. We used a loblolly pine (Pinus taeda) cDNA microarray to analyze global transcriptional changes along zygotic embryogenesis in maritime pine (Pinus pinaster). A time-course analysis of the data obtained from the five embryo developmental groups used in this study led to the identification of 4,645 genes whose expression varied along P. pinaster embryogenesis. These transcripts were clustered into six distinct expression profiles. The grouping of these profiles in early, mid-embryogenesis and embryo maturation, according to the developmental period where most of the sequences were up-regulated, evidenced that

ORGANISM(S): Pinus pinaster

SUBMITTER: Marta Simões 

PROVIDER: E-GEOD-32551 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress