Innexin Gap Junctions

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Ogre protein in pupal salivary gland cells.

Ogre protein in pupal salivary gland cells.

The distibution of Ogre in pupal salivary glands is almost identical to that observed for Inx2 and Inx3 but the Ogre plaques often look smaller and 'more spotty'. Whether this is an artefact of the anti-Ogre antibody is not known. A myc-tagged Ogre subunit co-localises with Inx2 when expressed in pupal salivary glands), so it is assumed that endogenous Ogre might interact with at least a fraction of the Inx2 and Inx3 expressed in these cells. The optical section shown is focused below the basal (non-lumenal) end of the cell so only a few annular vescicles are seen (they are only seen in sections taken immediately next to the basal surface of pupal and larval salivary gland cells).

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