[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5352/JLS.2003.13.5.651

Molecular Discrimination of Dinoflagellates Cochlodinium Polykrikoides Margalef, Gyrodinium Impudicum Fraga et Bravo and Gymnodinium Catenatum Graham using RAPD-PCR Method

Cho, Eun-Seob (South Sea Fisheries Institute)

Publication Information

Journal of Life Science / v.13, no.5, 2003 , pp. 651-657 More about this Journal

Abstract

Randomly amplified polymorphic DNA (RAPD) analysis was used to study genetic relationships among C. polykrikoides, G. impudicum and G. catenatum, which possess similar morphological features. Four of 12 primers were selected and 59 amplification products ranged from 0.2 kb to 3.0 kb. The number of polymorphic products in C. polykrikoides, G. impudicum and G. catenatum was 16 (27.1%), 8 (13.5%), and 16 (27.1%), respectively, while 17 were monomorphic. Number of species-specific bounds was 26 (44.0%), 34 (57.6%), 26 (44.0%) in C. polykrikoides, G. impudicum and G. catenatum, respectively. The genetic similarity between C. polykrikoides and G. impudicum/G. catenatum was 0.83, whereas G. impudicum and G. catenatum was 0.78. Our results suggest that C. polykrikoides, G. impudicum and G. catenatum are extremely different on the basis of RAPD analysis, despite similarity based on their morphology. The RAPD technique appears to be efficient in detecting genetic variation in these dinoflagellates.

Keywords

Cochlodinium polykrikoides; DNA polymorphism; Gymnodinium catenatum; Gyrodinium impudicum; PCR; RAPD;

Citations & Related Records

Times Cited By KSCI : 4 (Citation Analysis)

Reference
Cited By KSCI

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