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Asexual reproduction and molecular systematics of the sea anemone Anthopleura krebsi (Actiniaria: Actiniidae)
Gomes, Paula Braga; Zamponi, Mauricio Oscar; Solé-Cava, Antonio Mateo.
Affiliation
  • Gomes, Paula Braga; Universidade Federal de Pernambuco. Departamento de Zoologia-CCB. BR
  • Zamponi, Mauricio Oscar; FCEyN. AR
  • Solé-Cava, Antonio Mateo; Universidade Federal do Rio de Janeiro. Instituto de Biologia. BR
Rev. biol. trop ; 51(1): 147-154, mar. 2003. tab
Article in En | LILACS | ID: lil-365971
Responsible library: BR1.1
RESUMO
In this paper we use allozyme analyses to demonstrate that individuals in Anthopleura krebsi aggregates are monoclonal. Additionally, sympatric samples of the red and the green colour-morphs of A. krebsi from Pernambuco, Brazil were genetically compared and no significant differences were observed between them (gene identity = 0.992), indicating that they do not belong to different biological species. All individuals within aggregates of the green colour-morph were found to be identical over the five polymorphic loci analysed. Such results would be extremely unlikely (P < 10(-11)) if the individuals analysed had been generated through sexual reproduction, thus confirming the presence of asexual reproduction in this species.
Subject(s)
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Full text: 1 Index: LILACS Main subject: Reproduction, Asexual / Sea Anemones / Isoenzymes Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: Rev. biol. trop Journal subject: BIOLOGIA / MEDICINA TROPICAL Year: 2003 Type: Article
Fulltext
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Full text: 1 Index: LILACS Main subject: Reproduction, Asexual / Sea Anemones / Isoenzymes Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: Rev. biol. trop Journal subject: BIOLOGIA / MEDICINA TROPICAL Year: 2003 Type: Article