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Chordotonal Organs of Insects

Chordotonal Organs of Insects

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L.H. Field & T. Matheson Advances in Insect Physiology 27 (1998) Page 229Plate 1. Demonstration <strong>of</strong> actin, actinin and centrin-like reactivity in Johnston’s organ scolopidia <strong>of</strong> thecockroach Periplaneta, using immunolabelling. Mononematic scolopidia are shown in confocal laserscanning reconstructions (a, c) and Nomarski interference optical micrographs <strong>of</strong> the same preparations,respectively (b,d). a. Indirect immun<strong>of</strong>luorescence <strong>of</strong> anti-α-actinin (red, rhodamine) reveals α-actininin the ciliary rootlets <strong>of</strong> the inner dendritic segment <strong>of</strong> a sensory neuron (arrowheads in a and b).Phalloidin-FITC (green) labels actin in the scolopale below the cap (arrow in b). c. Indirectimmun<strong>of</strong>luorescence <strong>of</strong> anti-centrin (green, FITC) and phalloidin-rhodamine (red). The phalloidinrhodaminelabels actin filament bundles below the scolopidial caps (arrow in d) and FITC fluorescencelabels centrin in the ciliary roots (arrowheads). Scale: 10 µm. a-d, Wolfrum (1991a), with permission.

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