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Mikhaylova, L.M., Boutanaev, A.M., Nurminsky, D.I. (2006). Transcriptional regulation by Modulo integrates meiosis and spermatid differentiation in male germ line.  Proc. Natl. Acad. Sci. U.S.A. 103(32): 11975--11980.
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Research paper

Transcriptional activation in early spermatocytes involves hundreds of genes, many of which are required for meiosis and spermatid differentiation. A number of the meiotic-arrest genes have been identified as general regulators of transcription; however, the gene-specific transcription factors have remained elusive. To identify such factors, we purified the protein that specifically binds to the promoter of spermatid-differentiation gene Sdic and identified it as Modulo, the Drosophila homologue of nucleolin. Analysis of gene-expression patterns in the male sterile modulo mutant indicates that Modulo supports high expression of the meiotic-arrest genes and is essential for transcription of spermatid-differentiation genes. Expression of Modulo itself is under the control of meiotic-arrest genes and requires the DAZ/DAZL homologue Boule that is involved in the control of G(2)/M transition. Thus, regulatory interactions among Modulo, Boule, and the meiotic-arrest genes integrate meiosis and spermatid differentiation in the male germ line.

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PMC1567683 (PMC) (EuropePMC)
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    Proc. Natl. Acad. Sci. U.S.A.
    Proceedings of the National Academy of Sciences of the United States of America
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    Alleles (8)
    Genes (30)
    Transgenic Constructs (1)