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Differential Expression of Three <i>labial</i> Genes during Earthworm Head Regeneration
CHO, Sung-Jin,KOH, Ki Seok,LEE, Eun,PARK, Soon Cheol Japan Society for Bioscience, Biotechnology, and A 2009 Bioscience, Biotechnology, and Biochemistry Vol.73 No.12
<P>The earthworm provides an excellent model for investigating regeneration. Here we report the full-length cloning of three <I>labial</I> genes (<I>Pex-lab01</I>, <I>Pex-lab02</I>, and <I>Pex-lab03</I>) in the earthworm <I>Perionyx excavatus</I>. To analyze their expression pattern during head and tail regeneration, we used the reverse transcription-polymerase chain reaction. Our results indicate that the three <I>labial</I> genes were expressed only in the head-regenerating tissues. Also, we found that the expression of <I>Pex-lab01</I> and <I>Pex-lab02</I> is up-regulated, and this indicates their involvement in wound healing and the blastema formation processes during early head regeneration.</P>