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asun  -  asunder

Drosophila melanogaster

Synonyms: ASUN, Asu, Asun, CG6814, Cell cycle regulator Mat89Bb, ...
 
 
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High impact information on Mat89Bb

  • Mat89Bb is separated from Mst89B by at most 100 bp; Mst89B and Mat89Ba are convergently transcribed and their 3' untranslated regions (UTRs) overlap by a minimum of 85 bp [1].
  • In addition, Mat89Bb transcripts were detected in the follicle cells surrounding the oocyte [1].
  • Database searches with either the 89Ba(3.1) genomic DNA sequence or conceptual translations of Mst89B or Mat89Bb cDNAs failed to reveal any significant similarities with database entries [1].
  • Using in situ hybridisation to ovaries, Mat89Ba and Mat89Bb were shown to be expressed in nurse cells at stages nine and ten of oogenesis and exported to the oocyte [1].
  • Xenopus embryos injected with Mat89Bb morpholinos arrest with polyploid nuclei, and Mat89Bb RNAi in HeLa cells gives rise to multinucleated cells [2].
 

Biological context of Mat89Bb

 

Other interactions of Mat89Bb

  • On further investigation, a 3.1-kb subfragment, 89Ba(3.1), was shown to contain a gene with male germline-specific expression (Mst89B) flanked by two genes (Mat89Ba and Mat89Bb) expressed predominantly in the ovaries and embryo of Drosophila melanogaster [1].

References

  1. A testis-specifically expressed gene is embedded within a cluster of maternally expressed genes at 89B in Drosophila melanogaster. Stebbings, L., Grimes, B.R., Bownes, M. Dev. Genes Evol. (1998) [Pubmed]
  2. Drosophila genome-scale screen for PAN GU kinase substrates identifies Mat89Bb as a cell cycle regulator. Lee, L.A., Lee, E., Anderson, M.A., Vardy, L., Tahinci, E., Ali, S.M., Kashevsky, H., Benasutti, M., Kirschner, M.W., Orr-Weaver, T.L. Dev. Cell (2005) [Pubmed]
 
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