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A genetic dimension to deep-sea biodiversity

Our knowledge of deep-sea biodiversity is based almost entirely on morphological distinctions at the species level. Here, we use haplotype variations in the mitochondrial 16S ribosomal gene to assess biodiversity at the genome level in four deep-sea molluscan morphospecies. Genetic divergence levels...

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Published in:	Deep-sea research. Part I, Oceanographic research papers Oceanographic research papers, 1999-06, Vol.46 (6), p.1095-1099
Main Authors:	Etter, Ron J., Rex, Michael A., Chase, Michael C., Quattro, Joseph M.
Format:	Article
Language:	English
Subjects:	Animal and plant ecology Animal populations Animal, plant and microbial ecology Biological and medical sciences Biological diversity Earth, ocean, space Exact sciences and technology External geophysics Fundamental and applied biological sciences. Psychology Genetics Marine Marine biology Mollusca Mollusks Particular ecosystems Physical and chemical properties of sea water Physics of the oceans Synecology
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creator	Etter, Ron J. Rex, Michael A. Chase, Michael C. Quattro, Joseph M.
description	Our knowledge of deep-sea biodiversity is based almost entirely on morphological distinctions at the species level. Here, we use haplotype variations in the mitochondrial 16S ribosomal gene to assess biodiversity at the genome level in four deep-sea molluscan morphospecies. Genetic divergence levels among populations of the morphospecies fall within the range of interspecific divergence found in coastal marine and aquatic molluscan genera. Results indicate a rich population structure at the genetic level in deep-sea mollusks, and suggest the possibility that some seemingly coherent morphospecies are composed of cryptic species.
doi_str_mv	10.1016/S0967-0637(98)00100-9
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subjects	Animal and plant ecology Animal populations Animal, plant and microbial ecology Biological and medical sciences Biological diversity Earth, ocean, space Exact sciences and technology External geophysics Fundamental and applied biological sciences. Psychology Genetics Marine Marine biology Mollusca Mollusks Particular ecosystems Physical and chemical properties of sea water Physics of the oceans Synecology
title	A genetic dimension to deep-sea biodiversity
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