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Keywords: zinc
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Journal Articles
J Exp Biol (2014) 217 (11): 1946–1954.
Published: 01 June 2014
... composed of parasitoid and pollinator fig wasps. First, we show that parasitoid ovipositor tips have teeth-like structures, preferentially enriched with zinc, unlike the smooth morphology of pollinator ovipositors. We describe sensillae present on the parasitoid ovipositor tip that are likely to aid in the...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (18): 3254–3265.
Published: 15 September 2012
...Jessica C. Lye; Christopher D. Richards; Kesang Dechen; David Paterson; Martin D. de Jonge; Daryl L. Howard; Coral G. Warr; Richard Burke SUMMARY The heavy metal zinc is an essential component of the human diet and is incorporated as a structural component in up to 10% of all mammalian proteins...
Includes: Supplementary data
Journal Articles
J Exp Biol (2009) 212 (16): 2571–2578.
Published: 15 August 2009
.... * Author for correspondence (e-mail: horst.onken@wagner.edu ) 21 5 2009 2009 BCECF intracellular pH membrane voltage microelectrodes transepithelial voltage serotonin zinc The anterior midgut (anterior stomach) of the larval mosquito is responsible for generating a luminal...
Journal Articles
J Exp Biol (2009) 212 (3): 373–377.
Published: 01 February 2009
.... * Author for correspondence (e-mail: horst.onken@wagner.edu ) 3 11 2008 2009 larval mosquito midgut alkalinization H + V-ATPase proton electrochemical gradient anion exchanger Na + /H + exchanger H + channel DIDS amiloride ouabain zinc The V-type H + ATPase...
Journal Articles
J Exp Biol (2007) 210 (12): 2137–2145.
Published: 15 June 2007
..., possibly by crosslinking other polymers in the gel. This study investigates the role of metals in the action of these glue proteins. Atomic absorption spectrometry showed that glue from the slug Arion subfuscus contains substantial quantities of zinc (46±7 p.p.m. and 189±80 p.p.m. in two different sets of...
Journal Articles
J Exp Biol (2006) 209 (16): 3219–3225.
Published: 15 August 2006
... biological materials nonoindentation histidine zinc Like their man-made counterparts, hardened biological materials are tailored to perform given functions. Whether used for support (bone and cuticle), armor (shell and cuticle), or as tools (teeth and stingers), the evolution of hardened materials...
Includes: Supplementary data
Journal Articles
J Exp Biol (2005) 208 (23): 4427–4436.
Published: 01 December 2005
...Erene Kefaloyianni; Eleni Gourgou; Vanessa Ferle; Efstathios Kotsakis; Catherine Gaitanaki; Isidoros Beis SUMMARY We investigated the effects of various heavy metals such as copper, zinc and cadmium, as well as acute thermal stress, on the signalling mechanisms involved in the protection and/or...
Journal Articles
J Exp Biol (2005) 208 (2): 287–296.
Published: 15 January 2005
...-glycyl-sarcosine and 65 Zn 2+ . Mucosa to serosa (M→S) flux of each radiolabelled substrate was measured by the rate of isotope appearance in the physiological saline bathing the tissue on the serosal surface. Addition of 1–50 μmol l –1 zinc to the luminal solution containing 1–50 μmol l –1 3 H- l...
Journal Articles
J Exp Biol (2002) 205 (21): 3367–3376.
Published: 01 November 2002
...E. David Thompson; Gregory D. Mayer; Patrick J. Walsh; Christer Hogstrand SUMMARY Female squirrelfish (Holocentridae) accumulate higher concentrations of hepatic zinc than any other known organism. In the liver cells, up to 70% of zinc is bound to metallothionein (MT), which is expressed at...
Journal Articles
J Exp Biol (2002) 205 (1): 151–158.
Published: 01 January 2002
...Chris N. Glover; Christer Hogstrand SUMMARY The composition of the intestinal lumen is likely to have considerable influence upon the absorption, and consequently the nutrition and/or toxicity, of ingested zinc in aquatic environments, where zinc is both a nutrient and a toxicant of importance. The...
Journal Articles
J Exp Biol (1989) 145 (1): 455–464.
Published: 01 September 1989
.... Washing with low concentrations of Zn 2+ blocked the H + current and uncovered the underlying Ca 2+ current. The results also suggest that Zn 2+ will be a useful tool in studies of the physiological role of the H + pathway. 12 5 1989 © 1989 by Company of Biologists 1989 zinc calcium...