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Description / Abstract
To elucidate gene flow between hydrothermal vent communities, shrimp species Opaepele loihi and Rimicaris variabilis were sampled at the underwater Mata volcanoes near Tonga. A fragment of the mitochondrial cytochrome oxidase I (COI) gene was amplified using HCO/LCO primers from 105 samples. Phylogenetic analysis confirmed the species identity of previously sequenced O. loihi and R. variabilis samples. Results from AMOVA and nested clade analyses revealed no significant genetic structure across depth or geography supporting high gene flow between vent communities. Future studies with microsatellites and an increased sample size are suggested for further validation, with the goal of offering valuable insights into the management of these distinctive ecosystems, amidst the rise of human interference through activities such as deep-sea mining operations.
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KeywordsDeep-sea invertebrates, marine biology, molecular biology, population genetics, hydrothermal vents, shrimp
Degree AwardedB.S. in Biology-Chemistry (Linnea Erman) and B.S. in Biology (Shakiba Mahmoudi)
Awarding InstitutionPoint Loma Nazarene University
Committee MembersWalter Cho, Yoojin Choi, Andrew Nosal
Periodical TitleArete: The PLNU Honors Journal
Peer Reviewed?No
Collections With This Resource
PLNU Undergraduate Honors Projects 2021-2025
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