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The spatial distribution of a blastoderm stage-specific mRNA was examined by hybridization in situ to tissue sections of early embryos of Drosophila melanogaster. The mRNA examined, the C mRNA, is coded for by the molecularly-complex locus, serendipity (sry). The C mRNA was found to be expressed in embryos in all nuclei and cells except pole cells, during the syncytial and cellular blastoderm stages and its transcription correlates well with the formation of the cellular blastoderm.

Original publication




Journal article


Dev Biol

Publication Date





474 - 479


Blastoderm, Cell Nucleus, Drosophila melanogaster, Gastrula, Germ Cells, Nucleic Acid Hybridization, RNA, Messenger, Transcription, Genetic