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<p>To better understand the genetic diversity of local Indonesian horseshoe crab and its population structure, this is the first study to elucidate the genetic diversity and population structure of horseshoe crabs in Banyuasin estuarine waters near the Sembilang National Park based on 11 microsatellite markers. Asian horseshoe crabs (<i>Carcinoscorpius rotundicauda, Tachypleus gigas</i> and <i>Tachypleus tridentatus</i>) from three localities (Banyuasin River Estuarine (BRE), Carat Cape and Makarti Jaya) in South Sumatra, Indonesian. Our results revealed a moderate level of genetic diversity (PIC = 0.35–0.65; H<i>e</i> = 0.36–0.69; H<i>o</i> = 0–0.65) and a significant and moderate level of genetic differentiation of three localities (F<i>st</i> = 0.068, P &lt; 0.001). The population from Carat Cape showed limited gene flows (Carat Cape-Makarti Jaya and Carat Cape-BRE) differing from BRE-Makarti Jaya. The genetic structure revealed the presence of two populations. It classified as the first population contained BRE, Carat Cape and Makarti Jaya that corresponded to <i>C. rotundicauda</i> (90%) and <i>T. tridentatus</i> (10%) and the second population contained from BRE, CC and MJ, corresponded to <i>C. rotundicauda</i> (75%) and <i>T. gigas</i> (25%). The genetic information from this study should be considered for implementing of management and efficient conservation strategies for this endangered species in Banyuasin estuarine waters, Indonesia. </p>

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Genetic study of asian horseshoe crab distributed in Banyuasin estuarine waters south sumatra, indonesia using microsatellite markers

  • 期刊论文

  • 发表日期：

    2025年6月27日

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  • Fatimah,
  • Apon Zaenal Mustopa,
  • Fauziyah,
  • Fitri Agustriani,
  • Tuah Nanda Merlia Wulandari,
  • Rozirwan,
  • Dina Permata Wijaya,
  • Nabila Aprianti

摘要

To better understand the genetic diversity of local Indonesian horseshoe crab and its population structure, this is the first study to elucidate the genetic diversity and population structure of horseshoe crabs in Banyuasin estuarine waters near the Sembilang National Park based on 11 microsatellite markers. Asian horseshoe crabs (Carcinoscorpius rotundicauda, Tachypleus gigas and Tachypleus tridentatus) from three localities (Banyuasin River Estuarine (BRE), Carat Cape and Makarti Jaya) in South Sumatra, Indonesian. Our results revealed a moderate level of genetic diversity (PIC = 0.35–0.65; He = 0.36–0.69; Ho = 0–0.65) and a significant and moderate level of genetic differentiation of three localities (Fst = 0.068, P < 0.001). The population from Carat Cape showed limited gene flows (Carat Cape-Makarti Jaya and Carat Cape-BRE) differing from BRE-Makarti Jaya. The genetic structure revealed the presence of two populations. It classified as the first population contained BRE, Carat Cape and Makarti Jaya that corresponded to C. rotundicauda (90%) and T. tridentatus (10%) and the second population contained from BRE, CC and MJ, corresponded to C. rotundicauda (75%) and T. gigas (25%). The genetic information from this study should be considered for implementing of management and efficient conservation strategies for this endangered species in Banyuasin estuarine waters, Indonesia.