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FEBS Lett. 2002 Feb 27;513(2-3):230-4.

Identification of genes expressed preferentially in the honeybee mushroom bodies by combination of differential display and cDNA microarray.

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Bio-oriented Technology Research Advancement Institution (BRAIN), 3-18-19, Toranomon, Minato-ku, 105-0001, Tokyo, Japan.


To clarify the molecular basis underlying the neural function of the honeybee mushroom bodies (MBs), we identified three genes preferentially expressed in MB using cDNA microarrays containing 480 differential display-positive candidate cDNAs expressed locally or differentially, dependent on caste/aggressive behavior in the honeybee brain. One of the cDNAs encodes a putative type I inositol 1,4,5-trisphosphate (IP(3)) 5-phosphatase and was expressed preferentially in one of two types of intrinsic MB neurons, the large-type Kenyon cells, suggesting that IP(3)-mediated Ca(2+) signaling is enhanced in these neurons.

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