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Cell death and survival alterations in Malpighian tubules of Triatoma infestans following heat shock.
The frequency of Malpighian tubule nuclear phenotypes in specimens subjected to infection by T.
Frequencies of nuclear phenotypes in Malpighian tubule epithelial cells of fourth-instar P.
Malpighian tubules were excluded because data were not obtained from D.
Malpighian tubules measurements showed average underdominance (length) or overdominance (area; [ILLUSTRATION FOR FIGURE 5 OMITTED]), although the error associated with these measurements made the conclusions uncertain (Appendix).
Except for malpighian tubules length, nonsexual traits showed a higher parental than hybrid asymmetry but the differences were not significant for wing length (Mann-Whitney test: Z = 1.
MG, MT, and FB represent the midgut, Malpighian tubules, and fat body, respectively, dissected from adults.
MG, MT, and FB represent midgut, Malpighian tubule, and fat body, respectively, dissected from adults.
3 pmol Pi/([mu]g protein [cdotp] min) in a 600 X g supernatnat obtained from the homogenates of Malpighian tubules in Locusta, and Sallman et al.
The presumed presence of chloride-bicarbonate antiporters in the basolateral membranes, apical chloride channels, and paracellular chloride transport is consistent with current models describing MR cells in many animal epithelia such as insect Malpighian tubules (Maddrell and O'Donnell, 1992; Beyenbach, 1995; Pannabecker, 1995; Brown and Breton, 1996; Harvey et al.
The long, thin Malpighian tubules are composed of a single layer of cuboidal cells, each cell showing a well-developed nucleus with condensed chromatin clumps.
Herbivorous insects usually obtain water from leaves and much of the water present in the primary urine produced by the Malpighian tubules is reabsorbed in the ileum and rectum (Audsley & Phillips 1995; Azuma et al.