... transport in the osmoregulatory epithelia of insects. In the current study, we: (i) generated MT transcriptomes of freshwater-acclimated and brackish water-exposed larvae of Ae. aegypti , (ii) detected expression of several voltage-gated Ca 2+ , K + , Na + and non-ion-selective ion channels in the MTs...

... Wallum Epithelia Calcium transport Australian Research Council http://dx.doi.org/10.13039/501100000923 DP150101571 The University of Queensland Life in freshwater environments is complicated by the fact that animals are hyper-ionic with respect to the environment...

[email protected] ) 1 10 2002 © The Company of Biologists Limited 2003 2003 amino acid compatible osmolyte epithelia ion transport Malpighian tubule Rhodnius prolixus Drosophila melanogaster One of the striking features of insect haemolymph is that it contains a total...

... of the reaction. * e-mail: [email protected] 21 08 1997 © The Company of Biologists Limited 1997 Manduca sexta midgut tobacco hornworm arginine kinase mitochondria epithelia Phosphagen kinases catalyze the reversible phosphorylation of guanidine compounds...

... regions of Malpighian tubules in response to stimulants or inhibitors of specific membrane transporters. * Author for correspondence (e-mail: [email protected] ). 24 03 1997 © The Company of Biologists Limited 1997 unstirred layer epithelia Malpighian tubule ion transport...

... in MR cell number in response to hormonal signals. * e-mail: [email protected] . ©The Company of Biologists Limited 1997 H + pump H + V-ATPase epithelia immunolabelling Na + transport frog skin As amphibians, living frogs are exposed both to air and to low...

... isoform. NHE1 is the ubiquitous ‘housekeeping’ antiporter and, in polarized vertebrate epithelia, is generally localized to the basolateral membrane ( Biemesderfer et al . 1993 ). Unfortunately, neither the tissue specificity nor the cellular localization of the cloned crab sequence is known...

... diuretic hormones cooperative action fluid secretion Rhodnius prolixus Malpighian tubules epithelia Haematophagous insects differ from herbivores in that the immediate excretory pressure on them is more to eliminate excess dietary sodium than to eliminate potassium. The blood-sucking bug...

... ; Maddrell and Phillips, 1975 ). An obvious possibility is that these other epithelia may be controlled synergistically by 5-HT acting jointly with the peptide DH. We gratefully acknowledge the support of the Department of Genetics and Cell Biology, University of Minnesota, of the Departments...

... Mytilus edulis Mytilus californianus gill epithelia Intertidal animals may be exposed to abrupt, but transient, changes in external salinity ( Stickle and Ahokas, 1974 ). For osmoconforming animals, including marine mussels of the genus Mytilus , this can result in large changes...

...’ permeability to [ 14 C]sucrose is consistently 1.6 times as high as the permeability to 45 Ca 2+ ( Fig. 1 ). Absorption of the products of digestion in insects usually occurs largely by diffusion through the permeable epithelia of the midgut; this process is accelerated by uptake of fluid, which...

...R. Brent Thomson; N. Audsley; John E. Phillips ABSTRACT The commonly used method of passing short-circuit current ( I sc ) across insect epithelia through Ag-AgCl electrodes, without the use of salt bridges, leads to significant OH − production at the cathode (lumen side) when high currents...

... . In Marine Mussels: Their Ecology and Physiology (ed. B. E. Bayne ) pp. 121 – 206 . Cambridge : Cambridge University Press . Berridge , M. J. & Oschman , J. L. ( 1972 ). Transporting Epithelia . New York : Academic Press . 91 pp. Bird , R. B. , Stewart , W. E...

...-acclimated tissues. 17 11 1986 Copyrigh © 1987 by Company of Biologists 1987 epithelia transport salinity adaptation Most euryhaline teleosts closely regulate the osmotic pressure of their body fluids to about 350 mosmol l −1 , whilst that of their environment can fluctuate...

... Farmacia, Universidad Tucumán, San Miguel de Tucumán, Argentina. † Present address: Departamento de Fisiología, Universidad de San Agustín de Arequipa, Arequipa, Perú. 03 01 1986 © 1986 by Company of Biologists 1986 paracellular flow Malpighian tubules secretion epithelia...

...Stephen H. Wright; Timothy W. Secomb ABSTRACT The exchange of taurine across epidermal epithelia of Mytilus edulis and M. califonianus was studied using radiotracer and chromatographic (HPLC) methods. Gill levels of taurine in both species ranged from 60 to 70 μ mol g −1 wet weight. Net uptake...

... and non-electrolyte transport will be discussed in the light of the above two mechanisms. © 1983 by Company of Biologists 1983 Hormones epithelia sodium One of the greatest challenges that vertebrates (as well as invertebrates) face is the necessity to maintain and regulate plasma...

... movements are discussed in relation to comparable studies in other epithelia. * Present address: Department of Biology, York University, Downsview, Ontario, M3J 1P3 Canada. © 1983 by Company of Biologists 1983 Epithelia permeability excretion One of the most dramatic properties...