Frequent in-frame length variations are found in the diverged simple repeat sequences of the protein-coding regions of two putative protein kinase genes of Brassica napus |
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Authors: | Yu Shin Park Ok-kyu Song Suk Whan Hong June Myoung Kwak Moo Je Cho Hong Gil Nam |
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Affiliation: | (1) Department of Life Sciences, Pohang University of Science and Technology, 790-784 Pohang, Kyungbuk, South Korea;(2) Plant Molecular Biology and Biotechnology Research Center, 660-701 Jinju, Kyungnam, South Korea |
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Abstract: | Two putative protein kinase cDNA clones were isolated from Brassica napus by screening with a putative protein kinase cDNA clone of Arabidopsis thaliana. The deduced amino acid sequences show a distinct modular composition, consisting of a possible protein kinase catalytic region at the amino terminus and a highly acidic region encoded from diverged simple repeat sequences at the carboxy terminus. Comparison of the nucleotide sequences encoding this acidic region revealed a high rate of in-frame length variation, while preserving the acidic characteristics. Similar variation is also found in the non-coding regions of these clones. |
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Keywords: | acidic domain diverged simple repeat sequence DNA slippage mutation protein kinase |
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