Nemoglobins: divergent nematode globins.
Globins are proteins commonly associated with oxygen transport in vertebrate blood, but the invertebrate phyla display a wide variety of globin types that reflect their disparate life styles and evolutionary history. It has been known for over 100 years that parasitic nematodes contain globins, but recent molecular investigations are only now beginning to shed some light on their curious properties. Mark Blaxter here describes the diversity of the different globins found in nematodes, and reviews emerging data on their evolution and function.
Wellcome Research Centre for Parasitic Infections, Department of Biology, Imperial College of Science, Technology and Medicine, Prince Consort Road, London, UK SW7 2BB.
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