Eliminated chromatin of Ascaris contains a gene that encodes a putative ribosomal protein
1990
Ėtter, A. | Aboutanos, M. | Tobler, H. | Muller, F.
Chromatin diminution in the nematodes Parascaris equorum and Ascaris lumbricoides leads to the formation of somatic cells that contain less DNA than the germ-line cells. We present molecular evidence for the coding potential of germ-line-specific DNA. We report on a cDNA clone that codes for a putative ribosomal protein (ALEP-1, for A. lumbricoides eliminated protein 1). That the corresponding gene is located in the eliminated portion of the genome indicates a difference in germ-line and somatic ribosomes of A. lumbricoides and P. equorum. Elimination of the ALEP-1 gene from all somatic cells in its fully active state may represent an alternative way to gene regulation.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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