Abstract
We identified a novel gene, Ks-1, which is expressed preferentially in the small-type Kenyon cells of the honeybee brain. This gene is also expressed in some of the large soma neurons in the brain and in the suboesophageal ganglion. Reverse transcription-polymerase chain reaction experiments indicated that Ks-1 transcripts are enriched in the honeybee brain. cDNA cloning revealed that the consensus Ks-1 cDNA is over 17 kbp and contains no significant open reading frames. Furthermore, fluorescent in situ hybridization revealed that Ks-1 transcripts are located in the nuclei of the neural cells, accumulating in some scattered spots. These findings demonstrate that Ks-1 encodes a novel class of noncoding nuclear RNA and is possibly involved in the regulation of neural functions.
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