Phylogenetic relationships of the Ulva populations in Persian Gulf based on the molecular analyses

Authors

1 Department of Plant Sciences and Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran.

2 1Department of Plant Sciences and Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran.

3 Marine Pharmaceutical Science Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

Abstract

The genus Ulva includes edible seaweed species with extensive morphological overlaps, plasticity, and intra specific variation, making it taxonomically difficult to classify. The Ulva species occur in the Persian Gulf, and the Oman Sea, but, there is no detailed information on their genetic structure, diversity, as well the species relationships. The aims of the present study were to : (1) identify the existing species of the genus Ulva in selected areas of the Persian Gulf and the Oman  Sea, and (2) illustrate the species relationships by a combination of the morpho-anatomical and molecular data. Based on morphological features, 10 Ulva species were identified which were also confirmed by their DNA homology with the reported taxa. The Ulva species were delineated using a combination of morphological, anatomical and molecular data (ISSR, SCoT, ITS, rbcL, and tufA region sequences). AMOVA revealed species genetic differentiation and a higher level of intra-specific diversity in Ulva. The species relationship is discussed based on genetic and morphological data. A kind of divergent selection on morphological characters and in response to geographical coordinates was suggested.

Keywords

Iranian Journal of Fisheries Sciences

Articles in Press, Corrected Proof
Available Online from 11 May 2022

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