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Abstract Human cathepsin L (hCATL) mRNA occurs in vivo in at least three splice variants. They differ in the length of exon 1, which comprises 278 nucleotides (hCATLA), 188 nucleotides (hCATLA2) and 132 nucleotides (hCATLA3), respectively. We describe here the shortest variant for the first time....
Abstract The evolutionary processes underlying the differentness of prokaryotic and eukaryotic cells and the origin of the latters organelles are still poorly understood. For about 100 years, the principle of endosymbiosis has figured into thoughts as to how these processes might have occurred. A...