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| How Does the Intertidal Sipunculid Phascolosoma Arcuatum Detoxify Hydrogen Sulphide in a Lack of Oxygen | |
| 作者姓名： | Y.K.Ip G.Q.Tan S.F.Chew |
| 作者单位： | DepartmentofZoology，NationalUniversityofSingapore，BiologyDivision，NationalInstituteofEducation，NanyangTechnologicalUniversity，BiologyDivision，NationalInstituteofEducation，NanyangTechnologicalUniversity |
| 摘 要： | Inmanymarinesediments,considerableconcentrationsofhydrogensulphidearefound1].Hydrogensulphideistoxictoanimalsduetothestrongbutreversible-bindingtocytochromeaa3andtheconsequentinhibitionofaerobicmetabolism2].However,itcannotexcludeanimalinthesemarinebiotopes.Severalinvertebrates,similartothemammalianliver,canoxidizesulphidetonon-toxicthiosulphateandsulphate1].VolkelandGrieshaber3]reportedthatthesipunculidSipunculusnudus,whichinhabitsarelativelysandysubstratum,oxidizessulphidetothiosulphate… |
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