Search Results - "Maddrell, Simon"

Limitation of size by hypoxia in the fruit fly Drosophila melanogaster by Peck, Lloyd S., Maddrell, Simon H.P.

“…The size of an organism is of fundamental importance in all biological processes. It dictates many of the critical interactions and physical factors that…”
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Hormonally controlled chloride movement across Drosophila tubules is via ion channels in stellate cells by O'Donnell, M J, Rheault, M R, Davies, S A, Rosay, P, Harvey, B J, Maddrell, S H, Kaiser, K, Dow, J A

“…Anion conductance across the Drosophila melanogaster Malpighian (renal) tubule was investigated by a combination of physiological and transgenic techniques…”
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Amino acids modulate ion transport and fluid secretion by insect Malpighian tubules by Hazel, Matthew H, Ianowski, Juan P, Christensen, Robert J, Maddrell, Simon H P, O'Donnell, Michael J

“…Insect haemolymph typically contains very high levels of free amino acids. This study shows that amino acids can modulate the secretion of ions and water by…”
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Fluid reabsorption and ion transport by the lower Malpighian tubules of adult female Drosophila by O'Donnell, M J, Maddrell, S H

“…The properties of the Malpighian tubules of Drosophila melanogaster change along their length. The upstream main segments secrete K(+)-rich fluid at a high…”
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Insect homeostasis: past and future by Maddrell, Simon

“…Most of my work has been on the hormonal control of fluid secretion by insect Malpighian tubules. My present purpose is mostly to describe some previously…”
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Dual Origin of the Renal Tubules in Drosophila by Denholm, Barry, Sudarsan, Vikram, Pasalodos-Sanchez, Sara, Artero, Ruben, Lawrence, Peter, Maddrell, Simon, Baylies, Mary, Skaer, Helen

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H⁺ V-ATPases Energize Animal Plasma Membranes for Secretion and Absorption of Ions and Fluids by Harvey, William R., Simon H. P. Maddrell, Telfer, William H., Helmut Wieczorek

“…H⁺ V-ATPases are well known energizers of endomembranes; thus they play a key role in the acidification of vacuoles and vesicles. More recently it has become…”
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Where it all began (nearly). 1969 by Dow, Julian, Maddrell, Simon

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Active transport of water by insect Malpighian tubules by Maddrell, Simon

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The miracle of sand dams by Maddrell, Simon

“…Kenya, millions of people who live in rural areas don't have easy access to clean water. The NGO, Excellent Development, is working to make this water readily…”
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Dual Origin of the Renal Tubules in Drosophila: Mesodermal Cells Integrate and Polarize to Establish Secretory Function by Denholm, Barry, Sudarsan, Vikram, Pasalodos-Sanchez, Sara, Artero, Ruben, Lawrence, Peter, Maddrell, Simon, Baylies, Mary, Skaer, Helen

“…Organs are made up of cells from separate origins, whose development and differentiation must be integrated to produce a physiologically coherent structure…”
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Obituary: Professor Sir Vincent Wigglesworth, C.B.E., M.D., F.R.S by Maddrell, Simon

“…Vincent Wigglesworth, editor of the "Journal of Experimental Biology" from 1955 to 1974, died on Feb 13, 1994 at the age of 94. The work for which he will be…”
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The malpighian tubules of Drosophila melanogaster: a novel phenotype for studies of fluid secretion and its control by Dow, J A, Maddrell, S H, Görtz, A, Skaer, N J, Brogan, S, Kaiser, K

“…A study found that the insect Malpighian tubules of Drosophila melanogaster possess comparable transport mechanisms with the tubules of other insects. The D…”
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Mechanism of Insecticide-induced Diuresis in Rhodnius by MADDRELL, SIMON H. P, CASIDA, JOHN E

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The MalpighianC Tubules Of Drosophila Melanogaster : A Novel Phenotype For Studies Of Fluid Secretion And Its Control by Dow, Julian A. T., Maddrell, Simon H. P., Görtz, Andreas, Skaer, Nick J. V., Brogan, Scott, Kaiser, Kim

“…ABSTRACT The insect renal (Malpighian) tubule has long been a model system for the study of fluid secretion and its neurohormonal control (Maddrell, 1981;…”
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Neuropeptide stimulation of the nitric oxide signaling pathway in Drosophila melanogaster Malpighian tubules by Davies, S.A, Stewart, E.J, Huesmann, G.R, Skaer, N.J.V, Maddrell, S.H.P, Tublitz, N.J, Dow, J.A.T

“…Activation of the nitric oxide (NO) and guanosine 3',5'-cyclic monophosphate (cGMP) signaling pathway stimulates fluid secretion by the Drosophila melanogaster…”
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James Arthur Ramsay, 6 September 1909 - 5 February 1988 by Maddrell, Simon Hugh Piper

“…Arthur Ramsay was born in 1909 in Ayrshire and died with his wife on a train from Inverness to London on 5 February 1988. What he achieved in his lifetime…”
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A Discussion on active transport of salts and water in living tissues - Fluid secretion by the Malpighian tubules of insects by Maddrell, Simon Hugh Piper

“…Malpighian tubules of insects typically secrete an iso-osmotic fluid by a process which is thought to involve the following: (1) Potassium ions enter the…”
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Changes in hormone activity of single neurosecretory cell bodies during a physiological secretion cycle by Berlind, A, Maddrell, S H

“…Single neurosecretory cell bodies were dissected from the ventral ganglionic mass of Rhodnius prolixus, lysed in distilled water, and bioassayed for diuretic…”
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Measurements of osmotic permeability in the Malpighian tubules of an insect, Rhodnius prolixus Stal by O'Donnell, M. J., Aldis, G. K., Maddrell, Simon Hugh Piper

“…(i) With use of a novel experimental method, an improved estimate has been obtained for the value of the osmotic permeability (Pos) of RhodniusMalpighian…”
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