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Lintang, Rosita AJ
Universitas Sam Ratulangi
Earth & Planetary Sciences

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KARAKTERISASI DAN PENAPISAN AKTIVITAS ANTIBAKERI ISOLAT BAKTERI SIMBION Thurudilla lineolata DAN Phyllidiella pustulosa Doringin, Kevien Marthin; Lintang, Rosita AJ; Sumilat, Deiske A
JURNAL PESISIR DAN LAUT TROPIS Vol 8, No 3 (2020): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.8.3.2020.32242

Abstract

Nudibranch are part of a class og Gastropods that do not have a shell and has a bright and striking colour. Nudibranch has different of bacteria and bioactive compounds contained therein for protect theselves from predators.The aim of this study were to isolate symbiotic bacterial drived from Thurudilla lineolata and Phyllidiella pustulosa, and to observe the antibacterial activity of bacterial isolate against Escherichia coli and Staphylococcus aureus. Isolation and culture of the symbiotic bacterial were made on Nutrient Agar. The antibacterial screening showed that Thrudilla lineolata and Phyllidiella pustulosasymbiotic bacteria were able to inhibit the growth of against Escherichia coli and Staphylococcus aureus Nudibranch merupakan bagian dari kelas Gastropoda yang tidak memiliki cangkang dan memiliki warna cerah dan mencolok. Nudibranch memiliki berbagai jenis bakteri dan senyawa bioaktif yang terkandung di dalamnya untuk melidungi diri dari predator. Tujuan dari penelitian ini yaitu untuk mendapatkan isolat bakteri yang bersimbion dengan Thrudilla lineolata dan Phyllidiella pustulosa, kemudian mengamati aktivitas antibakteri dari isolat bakteri tersebut terhadap Escherichia coli, dan Staphylococcus aureus. Isolasi dan kultur bakteri yang bersimbion dengan Thrudilla lineolata dan Phyllidiella pustulosa, dibuat pada media Nutrient Agar. Skrining aktivitas antibakteri menunjukkan isolat bakteri yang bersimbion dengan Thrudilla lineolata dan Phyllidiella pustulosa mampu menghambat pertumbuhan organisme uji Staphylococcus aureus dan Escherichia coli. Kata kunci: Nudibranch, Thrudilla lineolata, Phyllidiella pustulosa, bakteri, isolasi, antibakter
PENAMBATAN MOLEKUL GLUTATION FAUNA LAUT TERHADAP RESEPTOR DARI BEBERAPA PENYAKIT VIRUS Kai, Q Xaxa Alvin; Rumengan, Inneke FM; Lintang, Rosita AJ; Wullur, Stenly; Sumilat, Deiske A; Pangkey, Henneke; Luntungan, Hein A
JURNAL PESISIR DAN LAUT TROPIS Vol 9, No 2 (2021): JURNAL PESISR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.2.2021.34853

Abstract

Glutathion is a tripeptides produced by almost all living creatures, including marine fauna such as rotifers and shrimps. Judging from the important molecular role of glutathion in living cell,  the ability of glutathion as antiviral compound, has been assed by application of the AutodockTools to predict the ability of glutathion as ligand to bind receptors of several viral diseases such as  covid-19, malaria, and hepatitis B. Docking results of glutathion toward target receptor were shown by the parameter, Gibbs energy value, and supported by other data such as the amount of hidrogen bond, amino acid residues, and bond distance. Evidently, the glutathion could bind to  each receptor of covid-19, malaria and hepatitis B, with values of  Gibbs energy (∆G), -7,9, 7,1 and -7,1 kcal/mol, respectively. This proves that glutathion has ability to bind covid-19 receptor, even stronger than its ability to bind receptors of other viral diseases, and to the remdesevir. Between glutathion and covid-19 receptor, there were 11 hidrogen bonds, with distance ranged from 2,76 to 3,25 Å. These were stronger than those between glutathion and receptors of malaria and hepatitis B, only  8 and 4 Å hidrogen bonds, respectively.  To develop glutathion as antiviral drug, it is necessary to carry out in vitro and in vivo analyses, prior to clinical test. Therefore, it requires to explore the marine fauna species that produce glutathion and their cultivation.Keywords: molecular docking, glutathion, marine fauna, autodock vina, viral diseases, binding affinity
KERAGAMAN KELINCI LAUT (NUDIBRANCHIA) DI PERAIRAN LAUT SULAWESI UTARA Mantiri, Inri K K; Lintang, Rosita AJ; Boneka, Farnis Bineada; Wagey, Billy Th.; Wantasen, Adnan; Ompi, Medy
JURNAL PESISIR DAN LAUT TROPIS Vol 9, No 2 (2021): JURNAL PESISR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.2.2021.35557

Abstract

This study aims to 1) identify the species of Nudibranchia in North Sulawesi marine waters, especially in Malalayang waters, Teep waters, Sangihe waters, Bunaken waters, Gangga waters and Lembeh straits, 2) find out species of Nudibranchia that is found in all sites, and 3) find out index community structure of Nudibranchia in all sites.  The result show that there were 11 species of Nudibranchia in Malalayang waters, 27 species in Lembeh Strait, 11 species in Teep waters, 57 species in Bunaken waters, 91 species in Bangka waters, and 20 species in Sangihe waters. Up to now, there were 139 species of Nudibranchia in North Sulawesi marine waters, where Species of Phyllidiella pustulosa, Phyllidia ocellata, Phyllidia varicose, Chromodoris annae, and Glossodoris cincta were found in all study locations. The species of Doriprismatica atromarginata was only found in the Malalayang waters.  A high Index Diversity was found in Bunaken and Bangka waters, and a middle Index Diversity was found in the waters of Lembeh Strait, Teep, and Sangihe. A stable community structure was found for all locations, while a low domination was categorized to all locations. Keywords: Nudibranchia, species, diversity, evenness, domination, and community structure.
KONDISI KARANG SCLERACTINIA DI PERAIRAN BULUTUI KECAMATAN LIKUPANG BARAT KABUPATEN MINAHASA UTARA Umanailo, M. Takdir; Manembu, Inri M; Manengkey, Hermanto WK; Paruntu, carolus P; Lintang, Rosita A; Pelle, Wilmy E
JURNAL PESISIR DAN LAUT TROPIS Vol 9, No 2 (2021): JURNAL PESISR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.2.2021.35568

Abstract

Hard coral is one of the main components of this forming coral reef ecosystem. Bulutui waters have coral reef ecosystems that have a direct role as a source of livelihood for people around these waters. However, there are non-environmentally friendly human activities such as fishing using explosives or chemical solutions that cause coral reef damage. The aimed of this research was to find out the condition of hard coral’s percentage cover and to described the frequency of hard coral’s occurance therefore it’s could be representative data at this location. Coral data was collected by using PIT (Point Intercept Transect) method. The value of percentage cover of hard corals at Bulutui waters are 20.58% and the value is categorized damaged. The total frequency of hard coral’s occurance at station 1 are 66 and dominated by Coral Submassive (CS), at station 2 are 23 and dominated by Coral Massive (CM), at station 3 are 18 and dominated by Coral Foliose (CF) and then at station 4 are 140 and dominated by Coral Foliose (CF).Keywords: Percentage Cover, Scleractinia Coral, Bulutui Waters, PIT Methods.
KARAKTERISTIK MORFOLOGI DAN AKTIVITAS ENZIM PROTEASE BAKTERI SIMBION NUDIBRANCH Hengkengbala, Sabrina I; Lintang, Rosita AJ; sumilat, Deiske A; Mangindaan, Remy EP; Ginting, Elvy Like; Tumembouw, Sipriana
JURNAL PESISIR DAN LAUT TROPIS Vol 9, No 3 (2021): JURNAL PESISR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36672

Abstract

One type of enzyme whose application is very widespread is protease enzymes. Microorganisms that have not been widely explored as a source of protease enzymes are bacteria that are in conjunction with Nudibranch. The study aims to identify the morphological characteristics of bacteria, then determine the hydrolysis ability of protease enzymes from bacteria symbiont Nudibranch. Identification of morphological characteristics is done macroscopic, and microscopic with gram staining. Proteolytic activity tests are performed qualitatively by measuring the proteolytic index of bacteria grown on Skim Milk Agar medium. The results of macroscopic identification of symbiotic bacteria with Nudibranch are dominated by irregular colony shapes, undulated edges, growth of the entire colony has a flat height, milky white colony color, buttery texture and opaque bacterial colonies. Based on microscopic identification, two gram-negative isolates are obtained, namely RL.S14, S1.1.1, and gram positive isolates, namely AK.S00, AK.S01, AK.S02, AK.S03, S.PP1, RL.S6, S2.1.5, S2.2.1, S3.3.1, S3.3.4, RL.S10. Nudibranch symbiont Bacterial has colony cells were dominated by the diplobacillus form. The results of the protease activity test of Nudibranch symbiont bacteria showed that 12 positive isolates had proteolytic activity with the highest proteolytic index produced by isolate AK.S00, which was 2.5 mm. Keywords: Nudibranch, symbiotic bacteria, characteristics, protease
Co-Authors Adnan Wantasen Angkouw, Esther Arie, Ade Kurniawan Billy Theodorus Wagey Boneka, Farnis Bineada Carolus Paulus Paruntu Dajoh, Tessalonica Deiske Adeliene Sumilat, Deiske Adeliene Doli, Raja Doringin, Kevien Marthin Fitje Losung Ginting, Elvy Like Grevo S Gerung Hengkengbala, Sabrina I Henneke Pangkey Hermanto W. K. Manengkey Inneke F. M Rumengan Kai, Q Xaxa Alvin Koyongian, Silvia E Kreckhoff, Reni L. Kremer, Kurniati Longdong, Sammy N J Luissandy, Luissandy Lumenta, Cykca Luntungan, Hein A Manembu, Inri M Mangindaan, Remmy E P Mangindaan, Remmy EP Mangindaan, Remy E P Mangindaan, Remy EP Mantiri, Desy M. H Mantiri, Inri K K Maradou, Remus B Medy Ompi Mongi, Alfa Montolalu, Gianfranco Natalie D Rumampuk Opa, Samuel Paransa, Darus Pasodung, Aditya Robert A. Bara Rompas, Rizald Sambali, Hariyani Sandra Tilaar Sipriana Tumembouw Stenly Wullur Suzanne L Undap Tumembow, Sipriani Umanailo, M. Takdir Wilmy E Pelle Windarto, Agung B