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INTRA-SPECIFIC DIVERSITY IN HYPNEA SPECIES (RHODOPHYTA, GIGARTINALES) | ||
| The Iranian Journal of Botany | ||
| مقاله 7، دوره 24، شماره 1، مهر 2018، صفحه 72-84 اصل مقاله (543.17 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22092/ijb.2018.116738 | ||
| نویسندگان | ||
| Fateme Sargazi* 1؛ Hossein Riahi2 | ||
| 1Department of Biology, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran. | ||
| 2Shahid Beheshti University, Faculty of Biological Sciences, Tehran, Iran. | ||
| چکیده | ||
| The present study considers assessment of morphometry and genetic diversity of 24 populations of Hypnea. Statistical analyses indicated that characters such as algal branching in habit, size of alga and Position of tetrasporange sorus had the most important role in intera-specific variation. In both morphometry and genetic diversity analysis, grouping of the populations separated the studied species into four distinct clusters and groups but populations were spread in clusters. ََAnalysis revealed significant genetic difference among populations and some degree of genetic admixture and gene exchange among the studied populations. | ||
| کلیدواژه‌ها | ||
| Hypnea؛ Morphometry؛ Genetic diversity؛ habit؛ tetrasporange؛ populations | ||
| عنوان مقاله [English] | ||
| مطالعه تنوع درون گونه ای در گونه های Hypnea (Rhodophyta, Gigartinales) | ||
| نویسندگان [English] | ||
| فاطمه سرگزی1؛ حسین ریاحی2 | ||
| 1گروه زیست شناسی، دانشگاه سیستان و بلوچستان، زاهدان، ایران | ||
| 2گروه زیست شناسی، دانشگاه شهید بهشتی، تهران، ایران | ||
| چکیده [English] | ||
| مطالعه حاضر به بررسی مورفومتری و تنوع ژنتیکی 24 جمعیت از Hypnea می‌پردازد. تجزیه و تحلیل‌های آماری نشان داد که صفاتی مانند روش پیشروی انشعابات در زیستگاه، اندازه و موقعیت تتراسپورانژها نقش مهمی در تنوع درون گونه ای داشته است. در هر دو تجزیه و تحلیل‌های مورفومتری و تنوع ژنتیکی، در گروه‌بندی جمعیت‌ها، گونه‌ها به خوبی از هم جدا شده‌اند اما جمعیت‌ها به خوبی از هم جدا نشده‌اند. تجزیه و تحلیل‌ها تنوع ژنتیکی و برخی درجات آمیختگی و تبادل ژنتیکی را بین جمعیت‌های مورد مطالعه نشان دادند. | ||
| کلیدواژه‌ها [English] | ||
| Hypnea, Morphometry, Genetic diversity, habit, tetrasporange, populations | ||
| مراجع | ||
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