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The loss of the hemoglobin H(2)S-binding function in annelids from sulfide-free habitats reveals molecular adaptation driven by Darwinian positive selection
The hemoglobin of the deep-sea hydrothermal vent vestimentiferan Riftia pachyptila (annelid) is able to bind toxic hydrogen sulfide (H(2)S) to free cysteine residues and to transport it to fuel endosymbiotic sulfide-oxidising bacteria. The cysteine residues are conserved key amino acids in annelid g...
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| Autores principales: | , , , , , , |
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
The National Academy of Sciences
2003
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.gov/pmc/articles/PMC156296/ https://ncbi.nlm.nih.gov/pubmed/12721359 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1037686100 |
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