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Andi Parenrengi

Research and Development Institute for Coastal Aquaculture, Maros

Author-ID : 3672461

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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EXPRESSION OF ANTIVIRAL GENE ON TIGER SHRIMP Penaeus monodon AT DIFFERENT TISSUE AND BODY SIZE Andi Parenrengi; Andi Tenriulo; Samuel Lante
Indonesian Aquaculture Journal Vol 7, No 2 (2012): (December 2012)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

The role of tiger shrimp defense against invading pathogen on molecular level such antiviral gene expression is limited to be reported. Gene expression is a process which codes information of genes that is converted to the protein as a phenotype. Distribution of PmAV antivirus gene, that has been reported as an important gene on non-specific response immune, is needed to be observed to several organs/tissues and size of tiger shrimp. The aim of this study is to determine the distribution of gene antiviral expression at several organ/tissue and size of shrimp. The organs/tissues observed in this study were: gill, hepatopancres, muscle tissue, eyes, heart, stomach, gonad, and intestine. While the size of shrimp consisted of three groups, those are: (A) 10-20 g/ind., (B) 30-40 g/ind., and (C) 60-70 g/ind. Analysis of antiviral gene expression was performed by RNA extraction, followed by the cDNA syntesis, and amplification of gene expression by semi-quantitative PCR. The result of PCR optimation showed the optimal concentration of cDNA and primer was 1 μL and 50 mol, respectively for PCR final volume of 25 μL. Antiviral gene was expressed on the hepatopancreas and stomach in percentage of 50.0% and 16.7%, respectively. While the highest percentage of individual expressing the antiviral gene was observed in the shrimp size of C (66.7%), followed by B (50.0%) and A (16.7%). The result of study implied that the hepatopancreas has importantly involed in tiger shrimp defense mechanism on viral infection.

ANALYSIS OF IMMUNE RESPONSES ON TRANSGENIC TIGER SHRIMP (Penaeus monodon) AGAINST PATHOGENIC BACTERIUM Vibrio harveyi Andi Parenrengi; Bunga Rante Tampangallo; Andi Tenriulo
Indonesian Aquaculture Journal Vol 9, No 1 (2014): (June 2014)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Vibriosis is one of main diseases of the black tiger shrimp Penaeus monodon infected by pathogenic bioluminous bacterium Vibrio harveyi that can cause mass mortalities in shrimp culture. The bacteria can also trigger the disease white spot syndrome virus (WSSV). An effort to produce shrimp disease-resistant strains has been done through transgenesis technology with antiviral gene transfection. By this technology, it is expected an increase in the immune response of shrimp in a variety of diseasecausing pathogens. This study aimed to determine the immune responses (total haemocytes, haemocyte differentiation, and phenoloxydase activity) of transgenic tiger shrimp against pathogenic bacterium V. harveyi. Research using completely randomized design, which consists of two treatments and three replications. Test animals being used were transgenic and non-transgenic shrimp with size, weight 3.93±1.25 g and a total length of 7.59±0.87 cm. Treatments being tested were the injection of bacterium V. harveyi (density of 5x106 cfu/mL) of 0.1 mL/individual on transgenic (A) and non-transgenic shrimp (B). Immune response parameters such as total haemocytes, haemocyte differentiation, and phenoloxydase activity were observed on day 1, 3, and 6 days after challenging. Data were analyzed using t-test by SPSS software. The results showed that the total haemocyte of transgenic shrimp was not significantly different (P>0.05) from non-transgenic shrimp, but haemocyte differentiation and phenoloxydase activity were significantly different (P<0.05) especially on sixth days after being exposed to the bioluminescent bacteria. The study results implied that transgenic shrimp has a better immune response compared than non-transgenic shrimp.

IN VITRO GROWTH RATE OF Kappaphycus alvarezii MICROPROPAGULE AND EMBRYO BY ENRICHMENT MEDIUM WITH SEAWEED EXTRACT Emma Suryati; Rosmiati Rosmiati; Andi Parenrengi; Andi Tenriulo
Indonesian Aquaculture Journal Vol 10, No 1 (2015): (June 2015)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

The development of micropropagule and embryo of seaweed depend on nutrient and fertilizer used. Seaweed has been reported contain hormone regulators such as auxine, cytokinine, gibbereline, and various minerals applied in stimulating the growth ocra plant and wheat culture. The objectives of this study were to determine the potential of Kappaphycus alvarezii extract and its optimal concentration in accelerating of Kappaphycus alvarezii micropropagule and embryo growth. Micropropagule and embryo produced through callus induction were planted into PES 1/20 liquid medium supplemented with seaweed extract at the concentrations of 0 (control), 25, 50, 75, and 100 μL in 10 mL of medium. The results showed that medium enrichment with 50 μL of seaweed extract had the highest survival rate and growth of thallus. In addition, this concentration was also resulted in a good performance of K. alvarezii thallus with the lighter color. The advantage of this study for seaweed cultivation in Indonesia, among others, seaweed can be used as fertilizer, especially in the maintenance of seaweed seed, so that cultivation can be better develop.

MARINE SPONGE Aaptos suberitoides, IT’S POTENTIAL SOURCE OF NATURAL ANTIBACTERIAL FOR CONTROLLING Vibrio harveyi ON TIGER SHRIMP (Penaeus monodon) CULTURE Rosmiati Rosmiati; Andi Parenrengi; Emma Suryati
Indonesian Aquaculture Journal Vol 10, No 1 (2015): (June 2015)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

The study aims to isolate and identify the natural antibacterial compounds potential from Aaptos suberitoides for Vibrio harveyi control on tiger shrimp (Penaeus monodon) culture. The agar diffusion method using paper discs was used to determine the antibacterial activity of extracts (diethyl ether (DEE), butanol (BUE) and aqueous (HOE) and compounds successfully isolated against Vibrio harveyi. Findings showed that the antibacterial activity was concentrated in BUE with the inhibition zone of 17.2±0.1 mm. Meanwhile, two other extracts (DEE and HOE) did not exhibit any antibacterial activity against V. harveyi. From the active BUE, it was successfully isolated two compounds giving a strong anti-vibrio activity with the inhibition zone of 22±0.1 mm. The IR, 1H, 13C, COSY, HMQC, HMBC, and MS spectrum analysis indicated that both active compounds identified as aaptamine (1) and 9-demethyloxyaaptamine (2). The study suggested that marine sponge A. suberitoides may have potential compounds source for controlling of V. harveyi on tiger shrimp culture.

GENETIC VARIABILITY OF THREE POPULATIONS OF FLYING FISH, Hirundichthy oxycephalus FROM MAKASSAR STRAIT Andi Parenrengi; Andi Tenriulo; Syamsul Alam Ali
Indonesian Aquaculture Journal Vol 7, No 1 (2012): (June 2012)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Flying fish, Hirundichthy oxycephalus is one of economically important marine species to Indonesia, particularly in Makassar Strait and Flores Sea. However, there is a limited published data on genetic variation in molecular marker level of this species. Random Amplified Polymorphic DNA (RAPD) was employed in this study to determine the genetic variability of three populations of flying fish collected from Takalar, Pare-Pare, and Majene in Makassar Strait. Genomic DNA was isolated from preserved muscle tissue using phenol-chloroform technique. Two selected arbitrary primers (CA-01 and P-40) were performed to generate RAPD finger printing of flying fish populations. The two primers generated a total of 81 fragments (loci) and 50 polymorphic fragments with size ranging from 125 to 1,250 bp. There were no significant differences in number of fragment and number of polymorphic fragment among populations. The high polymorphism (63.5±7.4%) was obtained from Takalar population followed by Pare-Pare (58.3±19.6%) and Majene population (57.7±0.8%). Similarity index of individuals was 0.60±0.17 for Takalar, 0.63±0.17 for Majene and 0.75±0.21 for Pare-Pare population. Seven fragments were identified as species-specific markers of H. oxycephalus. The UPGMA cluster analysis showed that the Takalar population was genetically closer to Pare-Pare population (D= 0.0812) than to Majene population (D= 0.1873).

THE EFFECT OF MARINE SPONGE Aaptos aaptos EXTRACT IN VIBRIOSIS TREATMENT OF BLACK TIGER SHRIMP Penaeus monodon LARVAE Rosmiati Rosmiati; Najiah Musa; Habsah Mohammad; Tengku Sifzizul Tengku Muhammad; Andi Parenrengi; Wahyuni Wahyuni
Indonesian Aquaculture Journal Vol 9, No 2 (2014): (December 2014)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Black tiger shrimp Penaeus monodon post larvae were challenged with Vibrio harveyi and butanol extract of selected marine sponge Aaptos aaptos to determine its antibacterial bioactive potential in vibriosis treatment. Based on the preliminary toxicity study, the A. aaptos butanol extract with concentrations of 31.25, 62.5, and 125 mg/L were selected in the study. Black tiger shrimp post larvae were challenged with V. harveyi at 107 cfu/mL and immersed A. aaptos butanol extract with the concentration of 125 mg/L showed significantly in (P<0.05) decrease mortality of the post larvae treated. Besides at this concentration, V. harveyi population in the rearing water and the post larvae treated decreased compared to control (untreated post larvae). Histological observation indicated that there was no changing on hepatopancreas of the black tiger shrimp post larvae. Based on this result, it is suggested that the butanol extract of A. aaptos is a potential bioactive compounds source in the treatment of vibriosis which may replaced the current antibiotics application.

Co-Authors Andi Tenriulo Bunga Rante Tampangallo Emma Suryati Habsah Mohammad Najiah Musa Rosmiati Rosmiati Samuel Lante Syamsul Alam Ali Tengku Sifzizul Tengku Muhammad Wahyuni Wahyuni

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