Document Detail


Hypoxic tolerance in air-breathing invertebrates.
MedLine Citation:
PMID:  15288596     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Terrestrial invertebrates experience hypoxia in many habitats and under a variety of physiological conditions. Some groups (at least insects) are much more capable of recovery from anoxia than most vertebrates, but there is still a tremendous unexplained variation in hypoxia/anoxia tolerance among terrestrial invertebrates. Crustaceans and arachnids may be less often confronted with hypoxic environments than insects and myriapods and also seem to be less hypoxia/anoxia tolerant. Tracheated groups, especially those that are able to ventilate their tracheal system like many insects, cope with lower critical PO2 than nontracheated groups. Modulation of oxygen carrier proteins is normally not important in hypoxia resistance. Recent application of genetic and cellular tools are revealing that many of the same pathways documented for mammals (e.g. HIF, nitric oxide) function to regulate morphological and biochemical responses to hypoxia/anoxia in insects.
Authors:
Anke Schmitz; Jon F Harrison
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review    
Journal Detail:
Title:  Respiratory physiology & neurobiology     Volume:  141     ISSN:  1569-9048     ISO Abbreviation:  Respir Physiol Neurobiol     Publication Date:  2004 Aug 
Date Detail:
Created Date:  2004-08-03     Completed Date:  2004-10-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  101140022     Medline TA:  Respir Physiol Neurobiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  229-42     Citation Subset:  IM    
Affiliation:
Institute for Zoology, Rheinische Friedrich-Wilhelms-University Bonn Poppelsdorfer Schloss, 53115 Bonn, Germany. ankeschmitz@uni-bonn.de
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Physiological*
Air*
Animals
Anoxia / physiopathology*
Arachnida / physiology
Crustacea / physiology
Insects / physiology
Invertebrates / physiology*
Phylogeny
Respiration*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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