Multiple Forms of Calmodulin Genes in Carrot Treated with Fungal Mycelial Walls(Pharmacognosy)

概要

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Eleven cDNA clones encoding the open-reading frame of calmodulin and calmodulin-like proteins were isolated from carrot seedlings treated with fungal mycelial walls. These calmodulin genes were mainly expressed in the stems and leaves of carrot, although the transcriptional level was almost negligible in the seeds and root tissues. Based on nucleotide homology, these genes were divided into two classes, class I and class II, and reverse transcription-polymerase chain reaction analyses revealed that the expression level of class II genes transiently increased when carrot seedlings were treated with the mycelial walls. In contrast, the level of class I genes apparently did not show any significant change even after treatment with the fungal components. These results suggest that the defense responses induced in the fungi-infected carrot accompany the increase in the transcriptional levels of a certain calmodulin gene(s).
公益社団法人日本薬学会の論文
2005-06-01