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Research Article: Molecular verification of Caulerpa racemosa (Caulerpaceae, Chlorophyta) in the Persian Gulf and Oman Sea (south of Iran)
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M. Salehi Balashahri1   , M.M. Dehshiri2 , J. Sohrabipour *3 , I. Mehregan4 |
1- Islamic Azad University, Science and Research Branch, Tehran, Iran
2- Department of Biology, Borujerd Branch, Islamic Azad University, Borujerd, Iran
3- Agriculture and Natural Resources Research and Education center of Hormozgan, Agriculture Research, Education and Extension Organization (AREEO), Iran , sohrabipour2@gmail.com
4- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran |
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Abstract: (549 Views) |
| Caulerpa racemosa is edible marine green algae of the Caulerpaceae family. C. racemosa is consumed as a sea vegetable in many countries, especially Southeast Asian countries. In recent years, molecular studies caused some changes in the taxonomic positions of the members of the genus Caulerpa. It is necessary to accurately identify species of this genus based on modern molecular studies due to the consumption of some species and also the toxic effect of some other species of this genus. Some species of Caulerpa have already been reported from the southern coasts of Iran based on preliminary morphological studies. The purpose of this study was to collect and accurately identify the species of the genus Caulerpa in the coastal waters of the Persian Gulf and the Gulf of Oman in the southern coastlines of Iran. This study was based on the combination of molecular and morphological characteristics studies of the collected samples of this genus in this area. In the current article, the results obtained about the Caulerpa racemosa are presented. Samples of the genus were collected from different coastal areas of the Persian Gulf and seashores of Oman Gulf along the geographical borders of Iran and transported to the laboratory in cool conditions. After cleaning and washing, some of the cleaned samples were dried in silica gel and used for DNA extraction and thereof PCR process based on tufA gene. In addition, herbarium samples required for morphological studies were prepared and deposited in the herbarium of Agriculture and Natural Resources Research and Education Center of Hormozgan province. The results of this study relatively solve the confusion in Caulerpa racemosa- peltata complexity for Iranian members of the complex. In addition to morphological features, the current molecular investigation also helped to accurately identification of the members of this complex in the Iranian seashores of the Persian Gulf and Gulf of Oman. As a highlighted conclusion, the current research on Caulerpa species from the Iranian seashores of the Persian Gulf and Gulf of Oman resulted in resolving two species including Caulerpa sertulariodes (S. G. Gmelin) Howe forma farlowii (Weber-Van Bosse) Børgesen, which was resolved as Caulerpa selago (Turner) C. Agardh (Salehi Balashahri et al., 2021) and Caulerpa racemosa var. macrophysa also resolved as Caulerpa racemosa (Forsskål) J. Agardh. |
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| Keywords: Seaweed, Caulerpceae, Gulf of Oman, Persian Gulf, tufA gene, Green algae |
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Full-Text [PDF 559 kb]
(455 Downloads)
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Type of Study: Orginal research papers |
Subject:
Biology & physiology
ePublished: 2024/08/12
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