한국패류학회지 (The Korean Journal of Malacology)

한국패류학회 (The Malacological Society of Korea)
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북방전복 Haliotis discus hannai의 형태학적 성분화

Morphological Sex Differentiation of the Abalone Haliotis discus hannai

  • 김혜진 (전남대학교 수산생명의학과) ;
  • 전미애 (전남대학교 수산생명의학과) ;
  • 최지성 (전남대학교 수산생명의학과) ;
  • 김병학 (국립수산과학원 남해수산연구소) ;
  • 손맹현 (국립수산과학원 남해수산연구소) ;
  • 이정식 (전남대학교 수산생명의학과)
  • Kim, Hyejin (Department of Aqualife Medicine, Chonnam National University) ;
  • Jeon, Mi Ae (Department of Aqualife Medicine, Chonnam National University) ;
  • Choi, Ji Sung (Department of Aqualife Medicine, Chonnam National University) ;
  • Kim, Byeong Hak (South Sea Fisheries Research Institute, NIFS) ;
  • Son, Maeng Hyun (South Sea Fisheries Research Institute, NIFS) ;
  • Lee, Jung Sick (Department of Aqualife Medicine, Chonnam National University)
  • 투고 : 2015.11.20
  • 심사 : 2015.12.30
  • 발행 : 2015.12.30
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초록

본 연구는 북방전복의 생식생물학적 정보를 제공하고 아울러 성의 인위적인 조절에 필요한 정보를 제공하기 위하여 수행하였다. 북방전복의 형태학적 성분화 과정은 크게 다음과 같이 5단계로 구분할 수 있었다. 1) 생식소 외막 형성 (FGOM) (${\leq}SL\;10.0{\pm}1.0mm$), 2) 장과 간췌장 사이의 결체조직에 시원생식세포 (PGCs: primordial germ cells) 출현 (PAC) 및 생식소 내강 형성 (FGC) (SL $15.0{\pm}2.0mm$), 3) 생식소 내강 상피층에 PGCs 출현 (PAG) (SL $18.0{\pm}2.0mm$), 4) 생식세포형성소낭 형성, 초기 난모세포 및 정원세포 출현 (FGOC) (SL $21.0{\pm}2.0mm$), 5) 형태학적 성분화 (MSD) (${\geq}SL\;23.0{\pm}2.0mm$). 조직학적 분석 결과, 각장 24.1-25.0 mm 그룹에서 북방전복의 성분화율은 90.0%였으며, 성비 (암:수)는 1:0.8로 나타났다.

This study was conducted to provide the reproductive biological information and basic data on the artificial sex control of Haliotis discus hannai. The morphological sex differentiation process of H. discus hannai could be classified into following five phases: 1) formation of gonad outer membrane (FGOM) (${\leq}SL\;10.0{\pm}1.0mm$), 2) primordial germ cells (PGCs) appearance in the connective tissue between intestine and hepatopancreas (PAC), and formation of gonadal cavity (FGC) (SL $15.0{\pm}2.0mm$), 3) PGCs appearance in the epithelial layer of gonadal cavity (PAG) (SL $18.0{\pm}2.0mm$), 4) formation of gametogenic follicle and appearance of early oocytes and spermatogonia (FGOC) (SL $21.0{\pm}2.0mm$), 5) morphological sex differentiation (MSD) (${\geq}SL\;23.0{\pm}2.0mm$). From histological analysis sex differentiation rate in SL 24.1-25.0 mm of H. discus hannai was 90.0% and sex ratio (female : male) was 1:0.8.

키워드

참고문헌

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피인용 문헌

  1. Characterization of testis-specific serine/threonine kinase 1-like (TSSK1-like) gene and expression patterns in diploid and triploid Pacific abalone (Haliotis discus hannai; Gastropoda; Mollusca) male vol.14, pp.12, 2015, https://doi.org/10.1371/journal.pone.0226022