Distribution of Alexandrium fundyense and A. pacificum (Dinophyceae) in the Yellow Sea and Bohai Sea.

Abstract:

:This study characterizes the distribution of two closely related, causative species of paralytic shellfish poisoning – Alexandrium fundyense and A. pacificum – within the Yellow Sea (YS) and Bohai Sea (BS). These two Alexandrium species are distinguished for the first time in a regional field study using species-specific, quantitative PCR (qPCR) based assays. Both qPCR assays target the large subunit ribosomal DNA gene and were used to analyze net-concentrated phytoplankton samples collected in May 2012. A. fundyense was mainly distributed in YS, while A. pacificum was confined to an area adjacent to the Changjiang River estuary. The different distribution of the two species is interpreted as evidence of their distinct bloom ecology. Expanded efforts implementing these assays offer the ability to discriminate the dynamics of A. fundyense and A. pacificum blooms and provide a more sound basis for monitoring toxic Alexandrium species in this region.

journal_name

Mar Pollut Bull

authors

Gao Y,Yu RC,Chen JH,Zhang QC,Kong FZ,Zhou MJ

doi

10.1016/j.marpolbul.2015.05.025

subject

Has Abstract

pub_date

2015-07-15 00:00:00

pages

210-9

issue

1-2

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(15)00282-9

journal_volume

96

pub_type

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