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According to recent reports, many ribosomal RNA gene annotations are still questionable, and the use of inappropriate tools for annotation has been blamed. However, we believe that the abundant 16S rRNA partial sequence in the databases, mainly created by culture-independent PCR methods, is another main cause of the ambiguous annotations of 16S rRNA. To examine the current status of 16S rRNA gene...
BTG2 and BTG3 are two members of the B-cell translocation gene family with anti-proliferative properties. BTG1 gene in this gene family has been reported to play a key role in muscle growth. In this study, we identified and characterized the porcine BTG2 and BTG3 genes, mapped the two genes to porcine chromosomes, and analyzed their expression differences in the longissimus dorci muscle of 33 dpc...
Shine–Dalgarno (SD) sequence has been considered as one of the common features of 5′ end untranslated region (5′UTR) of prokaryotic transcripts. However, more leaderless bacteria and archaea mRNAs are being increasingly reported in recent years. To understand the distribution of SD-led genes and non-SD-led genes, we have analyzed 162 completed prokaryotic genomes leading to various new conclusions...
Implantation is a vital phase in pregnancy whereupon the hatched embryo invades into the uterine wall to establish intimate contacts with the mother for further development. Although it is generally believed that proteinases are major factors that confer the embryo its invasive character, the nature of proteinases involved in implantation remain mostly elusive. In this article, we review the organization,...
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