Morphological and molecular characterization of selected species of Hysterothylacium (Nematoda

Raphidascarididae) from marine fish in Iraqi waters

Masoumeh Ghadam, M Banaii, E T Mohammed, Jaydipbhai Suthar, Shokoofeh Shamsi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Hysterothylacium species are perhaps the most abundant and diverse group of marine ascaridoids; however, their life cycle and specific identification in larval stages in many parts of the world, particularly in Iraqi marine waters, have not been completely understood. In this study three members of the genus Hysterothylacium collected from Khor Abdulla in Iraq are morphologically described, genetically characterized and their relationship with other closely related taxa are compared and discussed. A new Hysterothylacium larval type in the fourth stage of development is described, and morphological and molecular evidence (based on the sequences of internal transcribed spacers) are provided for its distinction from previously known fourth-stage Hysterothylacium larval types. Based on the sequence data it is suggested that the new larval type, which herein was assigned as Hysterothylacium larval type XVI, is H. persicum which was previously reported from the close proximity in Bandar Abbas, Iran. In addition, two other taxa, including Hysterothylacium larval type XV and H. reliquens, have been found in the present study, for which new hosts are reported. This study provides some insights into the taxonomy and systematics of these parasites, not only in this region but also for similar studies elsewhere.
Original languageEnglish
Pages (from-to)116-124
Number of pages9
JournalJournal of Helminthology
Volume92
Issue number1
Early online date02 Mar 2017
DOIs
Publication statusPublished - Jan 2018

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Hysterothylacium
Nematoda
marine fish
Fishes
Iraq
Water
Iran
Life Cycle Stages
Parasites
taxonomy
internal transcribed spacers
life cycle (organisms)
parasites

Cite this

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title = "Morphological and molecular characterization of selected species of Hysterothylacium (Nematoda: Raphidascarididae) from marine fish in Iraqi waters",
abstract = "Hysterothylacium species are perhaps the most abundant and diverse group of marine ascaridoids; however, their life cycle and specific identification in larval stages in many parts of the world, particularly in Iraqi marine waters, have not been completely understood. In this study three members of the genus Hysterothylacium collected from Khor Abdulla in Iraq are morphologically described, genetically characterized and their relationship with other closely related taxa are compared and discussed. A new Hysterothylacium larval type in the fourth stage of development is described, and morphological and molecular evidence (based on the sequences of internal transcribed spacers) are provided for its distinction from previously known fourth-stage Hysterothylacium larval types. Based on the sequence data it is suggested that the new larval type, which herein was assigned as Hysterothylacium larval type XVI, is H. persicum which was previously reported from the close proximity in Bandar Abbas, Iran. In addition, two other taxa, including Hysterothylacium larval type XV and H. reliquens, have been found in the present study, for which new hosts are reported. This study provides some insights into the taxonomy and systematics of these parasites, not only in this region but also for similar studies elsewhere.",
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Morphological and molecular characterization of selected species of Hysterothylacium (Nematoda : Raphidascarididae) from marine fish in Iraqi waters. / Ghadam, Masoumeh; Banaii, M; Mohammed, E T; Suthar, Jaydipbhai; Shamsi, Shokoofeh.

In: Journal of Helminthology, Vol. 92, No. 1, 01.2018, p. 116-124.

Research output: Contribution to journalArticle

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AU - Suthar, Jaydipbhai

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