Genetic Diversity of Zooxanthellae from Several Host in the Coral Reef Waters at Bokor Island Jepara

*Pujiono Wahyu Purnomo -  Staf Pengajar Program Studi Manajemen Sumberdaya Perairan Fakultas Perikanan dan Ilmu Kelautan Universitas Diponegoro, Indonesia
Published: 22 Aug 2011.
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Section: Research Articles
Language: EN
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Abstract

In the life history of coral, which is almost no corals living without zooxanthellae. Some clade of zooxanthellae have been identified and found. Studies on clade of zooxanthellae contributes to the diversity of the information and

explanations which provides for the meaning of the phenomenon of fluctuations in coral reefs, include at around coral reef waters of Bokor Island Jepara. This study aims to evaluate the diversity of zooxanthellae derived from several types of hosts and distribution of its existence. Research was conducted at the Brackishwater Aquaculture Development Centre (BBPBAP) Jepara between July to October 2005. Provision of zooxanthellae has been done with the stage of

purification, whereas for  the  evaluate  of zooxanthellae  diversity  by using DNA analysis  with RFLP  (Restriction

Fragment Length Polymorphisme) technique and continued with the phylogenik analysis to perform grouping among clade found. Results showed that : (a) Variation of zooxanthellae clade diversity from host sea anemone, tridacna, Acropora, Favites and Goniastrea are clade A, clade B and clade C, with the zooxanthellae clade Tridacna and sea anemones profile by 80% are clade A and 20% are clade B; zooxanthellae clade profile from Acropora by clade A (60%), clade B (20%) dan clade C (20%); zooxanthellae clade profile from Favites by clade A (20%), and clade C (80%) and zooxanthellae clade profile from Goniastrea by clade A (60%), and clade C (40%). (b)   Based on the distribution of the host, then clade A is predominantly found in shallow depths (<3m).

 

Key words: Zooxanthellae, clade

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