Genetic Difference in the Cytochrome c Oxidase I Gene Between “Typical” and Equatorial Forms of Sthenoteuthis oualaniensis

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Abstract/Contents

Abstract: This study aimed to make the first genetic comparison of the two major forms of the ommastrephid squid, Sthenoteuthis oualaniensis. These two forms are the widely dispersed, photophore bearing, “typical” form and the smaller, photophoreless, equatorial form. Samples were taken at seven stations between the latitudes of 20° N and 3° N in the central Pacific. Through correlating morphological data with RFLP and nested PCR analysis of the Cytochrome Oxidase I gene in S. oualaniensis this study has found strong preliminary evidence of a significant genetic difference between the two morphological varieties. This data may point to a species-level of phylogenetic divergence for the two forms currently classified as Sthenoteuthis oualaniensis.

Type of resource	text
Date created	May 6, 2005

Author	Fienberg, Harris

Subject	Stanford@SEA
Subject	S-199
Subject	Hopkins Marine Station
Subject	Department of Biology
Subject	Department of Earth System Science
Subject	BIOHOPK 182H
Subject	BIOHOPK 323H
Subject	EARTHSYS 323
Subject	ESS 323
Subject	squid
Subject	Sthenoteuthis
Subject	oualaniensis
Subject	photophore
Subject	central Pacific
Subject	morphology
Subject	RFLP
Subject	PCR
Subject	Cytochrome Oxidase I
Subject	phylogenetic divergence
Genre	Student project report

Location	https://purl.stanford.edu/tm098cy6884

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License: This work is licensed under a Creative Commons Attribution 3.0 Unported license (CC BY).

Preferred Citation: Fienberg, Harris. 2005. Genetic Difference in the Cytochrome c Oxidase I Gene Between “Typical” and Equatorial Forms of Sthenoteuthis oualaniensis. Unpublished Student Work, S-199, Stanford@SEA, Stanford Digital Repository. https://purl.stanford.edu/tm098cy6884.

Stanford@SEA -- Student papers

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