| Insect acid-base physiology. | |
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MedLine Citation:
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PMID: 11112169 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Acid-base status influences many aspects of insect biology, including insect distributions in aquatic systems, insect-plant and insect-pathogen interactions, membrane transport phenomena, and the mode of action of pesticides. Acid-base status in the hemolymph and gut lumen of insects is generally well regulated but varies somewhat within individuals owing to effects of temperature, activity, discontinuous ventilation, and diet. The pH of the midgut lumen varies with the phylogeny and feeding ecology. Insect fluids have buffer values similar to those of vertebrates. The respiratory system participates in acid-base homeostasis primarily by regulating the internal carbon dioxide (partial) pressure via changes in spiracular opening and convective ventilation. The epithelia of the renal system and gut participate in hemolymph acid-base regulation by varying acid-base transport in response to organismal acid-base status. Evidence to date suggests that the dominant mechanisms for control of renal acid-base excretion involve hormonal regulation of H+-V-ATPase activity. |
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Authors:
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J F Harrison |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review |
Journal Detail:
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Title: Annual review of entomology Volume: 46 ISSN: 0066-4170 ISO Abbreviation: Annu. Rev. Entomol. Publication Date: 2001 |
Date Detail:
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Created Date: 2001-01-26 Completed Date: 2001-08-09 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0372367 Medline TA: Annu Rev Entomol Country: United States |
Other Details:
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Languages: eng Pagination: 221-50 Citation Subset: IM |
Affiliation:
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Department of Biology, Arizona State University, Tempe, Arizona 85287-1501, USA. j.harrison@asu.edu |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acid-Base Equilibrium Animals Homeostasis Insects / physiology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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