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File:Nematode C. elegans The early embryonic lineage in 4-cell embryos.jpg

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Description Figure 1. The early embryonic lineage and summary of the distributions of various factors in 4-cell embryos. (A) Unequal divisions of the germline blastomeres, P0, P1, P2 and P3 generate the somatic blastomeres AB, EMS, C, and D and the primordial germ cell P4. P4 divides equally into Z2 and Z3 at the ~100-cell stage. (B) The cartoons of 4-cell embryos illustrate that P granules are partitioned to the germline blastomeres, PIE-1 resides in the germline cytoplasm and nucleus and also associates with P granules, the MES proteins and MEP-1 are in the nuclei of all cells in early embryos, class II maternal mRNAs persist in the germline blastomeres and are degraded in the somatic blastomeres, and new transcription turns on in the somatic blastomeres and not in the germline blastomeres.
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Source http://www.wormbook.org/chapters/www_specgermline/specgermline.html Strome, S. Specification of the germ line (July 28, 2005), WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.9.1, http://www.wormbook.org.
Author Suzan Strome

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This file, which was originally posted to http://www.wormbook.org/chapters/www_specgermline/specgermline.html Strome, S. Specification of the germ line (July 28, 2005), WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.9.1, http://www.wormbook.org., was reviewed on 27 February 2024 by reviewer Yann, who confirmed that it was available there under the stated license on that date.

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current22:03, 26 February 2024Thumbnail for version as of 22:03, 26 February 20241,312 × 1,264 (290 KB)Rasbak (talk | contribs){{Information |description=Figure 1. The early embryonic lineage and summary of the distributions of various factors in 4-cell embryos. (A) Unequal divisions of the germline blastomeres, P0, P1, P2 and P3 generate the somatic blastomeres AB, EMS, C, and D and the primordial germ cell P4. P4 divides equally into Z2 and Z3 at the ~100-cell stage. (B) The cartoons of 4-cell embryos illustrate that P granules are partitioned to the germline blastomeres, PIE-1 resides in the germline cytoplasm and...

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