WHDL - 00020172

Patterns of Population Structure and Gene Flow of Gastropods At Hydrothermal Vents At The Mata Volcanoes

Jack Towson

Description / Abstract

Gastropod Ifremeria nautilei was collected at deep-sea hydrothermal vents at the underwater Mata Volcanoes near Tonga to investigate gene flow and population structure between and within vent communities. Nuclear DNA was extracted from gastropod samples from four volcanoes, and fragments of the nuclear genome were amplified using six different microsatellite loci. Results from various population analyses showed no significant genetic structure of the gastropod populations in regard to depth or geography, indicating high levels of gene flow between hydrothermal vent communities, and supported the results of previous studies performed on these populations using mitochondrial markers. Results from this study may provide insight into managing these unique habitats as human activity, such as deep-sea mining, increases in the deep sea.

Patterns of Population Structure and Gene Flow of Gastropods At Hydrothermal Vents At The Mata Volcanoes

Description / Abstract

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About the Authors

Jack Towson