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Molecular diversity of Sargassum populations from Oman Sea coasts | ||
| The Iranian Journal of Botany | ||
| مقاله 12، دوره 28، شماره 2، اسفند 2022، صفحه 176-181 اصل مقاله (265.77 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22092/ijb.2022.128206 | ||
| نویسندگان | ||
| Fatemeh sargazi* ؛ Shahla Hashemi Shahraki | ||
| University of Sistan and Baluchestan, Zahedan, Iran | ||
| چکیده | ||
| Sargassum is widely distributed throughout rocky, coastal upwelling areas in the warm water of the Gulf of Oman and the Persian Gulf in Iran. This alga is of great environmental and industrial importance. However, little information is available that documents the genetic variability of the genus. In this study, fifteen populations of six species of Sargassum were analyzed with ISSR bands. These populations were collected from four localities of Oman sea coasts in 2 seasons (autumn and winter) from 2017 to 2020. The ISSR bands were treated as binary characters and coded accordingly. Genetic diversity parameters were determined in each population. Grouping of the populations with UPGMA and PCOA analysis separated the studied species into distinct clusters but few individuals of the Zygocarpiae section were spread in clusters. Analysis revealed significant genetic differences among populations and some degree of genetic admixture and gene exchange among the studied populations. | ||
| کلیدواژه‌ها | ||
| Sargassum؛ Gulf of Oman؛ genetic variability؛ ISSR bands؛ UPGMA؛ PCOA | ||
| عنوان مقاله [English] | ||
| تنوع ملکولی جمعیتهای سارگاسوم از سواحل دریای عمان | ||
| نویسندگان [English] | ||
| فاطمه سرگزی؛ شهلا هاشمی شهرکی | ||
| دانشکده علوم زیستی، دانشگاه سیستان و بلوچستان، زاهدان، ایران | ||
| چکیده [English] | ||
| سارگاسوم به طور گستردهای در سراسر مناطق صخرهای ساحلی در آبهای گرم خلیج عمان و خلیج فارس در جنوب ایران حضور دارد. این جلبک از اهمیت زیست محیطی و صنعتی زیادی برخوردار است. با این حال اطلاعات کمی از تنوع ژنتیکی گونهها در دسترس است. در این مطالعه، پانزده جمعیت از شش گونه سارگاسوم با باندهای ISSR مورد تجزیه و تحلیل قرار گرفت. این جمعیتها از چهار منطقه از سواحل دریای عمان در دوفصل پاییز و زمستان سال 1397 تا 1400 نمونه‌برداری شد. باندهای به‌دست آمده به عنوان صفات دوحالته در نظر گرفته و کد‌گذاری شد. پارامترهای تنوع ژنتیکی در هر جمعیت تعیین شد. گروهبندی جمعیتها با تجزیه و تحلیل UPGMA و PCOA، گونههای مورد مطالعه را به خوشههای متمایز جدا کرد اما تعداد کمی از افراد بخش زیگوکارپیا (Zygocarpiae) در خوشهها پخش شدند. تجزیه و تحلیل دادهها تفاوت ژنتیکی معنیدار در میان جمعیتها و درجهای از اختلاط ژنتیکی و تبادل ژن در میان جمعیتهای مورد مطالعه را نشان داد. | ||
| کلیدواژه‌ها [English] | ||
| Sargassum, Gulf of Oman, genetic variability, ISSR bands, UPGMA, PCOA | ||
| مراجع | ||
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