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Locale and Level of Bindin mRNA in Maturing Testis of the Sea Urchin, Strongylocentrotus purpuratus

Cameron, R. Andrew and Minor, Joseph E. and Nishioka, David and Britten, Roy J. and Davidson, Eric H. (1990) Locale and Level of Bindin mRNA in Maturing Testis of the Sea Urchin, Strongylocentrotus purpuratus. Developmental Biology, 142 (1). pp. 44-49. ISSN 0012-1606. doi:10.1016/0012-1606(90)90149-D.

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This first study of the onset of spermatogenesis in the sea urchin, Strongylocentrotus purpuratus, was undertaken using individuals reared in the laboratory. Spermatogenesis commences about 11–12 months after metamorphosis in these animals. Bindin message accumulates in late spermatocytes and early spermatids which lie in the luminal germinal layer. Bindin message accumulates later than does the testis-specific histone, H2b-1, suggesting that different classes of genes are sequentially activated during the differentiation of sperm. We correlate the number of bindin mRNA molecules with morphological structure and with quantitative aspects of gonad maturation including the number of nuclei and of sperm. The results suggest that the bindin mRNA concentration in total RNA from testis at different stages of maturation reflects the change in the proportion of expressing cells in the total cell population of the testis.

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Cameron, R. Andrew0000-0003-3947-6041
Additional Information:© 1990 Academic Press, Inc. Accepted June 26, 1990. This work was supported by an NSF Grant (DCB 8813413) to E.H.D. and N.I.H. Grant HD19054 to D.N.
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Official Citation:R.Andrew Cameron, Joseph E. Minor, David Nishioka, Roy J. Britten, Eric H. Davidson, Locale and level of bindin mRNA in maturing testis of the sea urchin, Strongylocentrotus purpuratus, Developmental Biology, Volume 142, Issue 1, November 1990, Pages 44-49, ISSN 0012-1606, 10.1016/0012-1606(90)90149-D. (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35048
Deposited By: Ruth Sustaita
Deposited On:23 Oct 2012 22:34
Last Modified:09 Nov 2021 23:12

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