Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia

We examined in clonal cultures the morphological variation of two toxic dinoflagellates, Alexandrium tamiyavanichii and A. minutum, responsible for paralytic shellfish poisoning events in Southeast Asia. The Malaysian strain of A. tamiyavanichii had either a straight or oblique posterior margin on t...

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Main Authors: Po, T.L, Chui, P.L, Ogata, T.
Format: Article
Language:English
Published: Walter de Gruyter 2007
Subjects:
Online Access:http://ir.unimas.my/id/eprint/3363/
http://ir.unimas.my/id/eprint/3363/1/Morphological%20variation%20of%20two%20Alexandrium%20species%20responsible%20for%20paralytic%20shellfish%20poisoning%20in%20Southeast%20Asia.pdf
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author Po, T.L
Chui, P.L
Ogata, T.
author_facet Po, T.L
Chui, P.L
Ogata, T.
author_sort Po, T.L
building UNIMAS Institutional Repository
collection Online Access
description We examined in clonal cultures the morphological variation of two toxic dinoflagellates, Alexandrium tamiyavanichii and A. minutum, responsible for paralytic shellfish poisoning events in Southeast Asia. The Malaysian strain of A. tamiyavanichii had either a straight or oblique posterior margin on the first apical plate, and a triangular, square to trapezoid-shaped precingular part of the anterior sulcal plate. Morphological variability was also detected in the shape of the first apical plate, its connection to the apical pore, and the position of the ventral pore. In A. minutum, the Malaysian strains showed variation in the sixth precingular plate and the anterior sulcal plate. The length: width ratio of the sixth precingular plate varied from one to two. An anterior sulcal plate with a long left extension also occurred in both of the Malaysian strains. Several characters that have been extensively used in the identification of Alexandrium species have been proven quite variable
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spelling unimas-33632015-03-20T02:29:20Z http://ir.unimas.my/id/eprint/3363/ Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia Po, T.L Chui, P.L Ogata, T. QK Botany QL Zoology We examined in clonal cultures the morphological variation of two toxic dinoflagellates, Alexandrium tamiyavanichii and A. minutum, responsible for paralytic shellfish poisoning events in Southeast Asia. The Malaysian strain of A. tamiyavanichii had either a straight or oblique posterior margin on the first apical plate, and a triangular, square to trapezoid-shaped precingular part of the anterior sulcal plate. Morphological variability was also detected in the shape of the first apical plate, its connection to the apical pore, and the position of the ventral pore. In A. minutum, the Malaysian strains showed variation in the sixth precingular plate and the anterior sulcal plate. The length: width ratio of the sixth precingular plate varied from one to two. An anterior sulcal plate with a long left extension also occurred in both of the Malaysian strains. Several characters that have been extensively used in the identification of Alexandrium species have been proven quite variable Walter de Gruyter 2007 Article NonPeerReviewed text en http://ir.unimas.my/id/eprint/3363/1/Morphological%20variation%20of%20two%20Alexandrium%20species%20responsible%20for%20paralytic%20shellfish%20poisoning%20in%20Southeast%20Asia.pdf Po, T.L and Chui, P.L and Ogata, T. (2007) Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia. Botanica Marina, 50. pp. 14-21. http://www.degruyter.com/view/j/botm.2007.50.issue-1/bot.2007.003/bot.2007.003.xml
spellingShingle QK Botany
QL Zoology
Po, T.L
Chui, P.L
Ogata, T.
Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia
title Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia
title_full Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia
title_fullStr Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia
title_full_unstemmed Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia
title_short Morphological variation of two Alexandrium species responsible for paralytic shellfish poisoning in Southeast Asia
title_sort morphological variation of two alexandrium species responsible for paralytic shellfish poisoning in southeast asia
topic QK Botany
QL Zoology
url http://ir.unimas.my/id/eprint/3363/
http://ir.unimas.my/id/eprint/3363/
http://ir.unimas.my/id/eprint/3363/1/Morphological%20variation%20of%20two%20Alexandrium%20species%20responsible%20for%20paralytic%20shellfish%20poisoning%20in%20Southeast%20Asia.pdf