𝔖 Bobbio Scriptorium
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Changes in protein synthesis during early cleavage of the Mongolian gerbil embryo

✍ Scribed by Norris, Michael L. ;Barton, Sheila C. ;Surani, M. Azim H.

Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
620 KB
Volume
236
Category
Article
ISSN
0022-104X

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✦ Synopsis

An examination of polypeptide synthesis during early development in the Mongolian gerbil revealed similar protein profiles up to the early 2-cell stage, and a gradual change over a period of -18 h to give a distinctly different profile by the late 2-cell stage which remained largely unchanged thereafter. The incorporation of [35S] methionine into protein was significantly reduced by the late 2-cell stage, followed by a marked increase 24 h later. Enucleation of fertilized 1-cell embryos and culture in vitro resulted in retention of the early 2-cell profile. These results indicate probable transition from the initial use of stored maternal message before the onset of embryonic gene activity. Comparisons have been made with similar studies in the mouse.

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