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All Journal Journal of Tropical Biodiversity and Biotechnology Indonesian Journal of Chemistry Jurnal Penelitian Perikanan Indonesia
Sari, Dini Wahyu Kartika
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Immunology & microbiology

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Reproductive Behavior and Parental Role of Giant Gourami (Osphronemus goramy Lacepède, 1801) Junior, Timothy Irsyad; Hardaningsih, Ignatius; Bimasuci, Harya; Sari, Dini Wahyu Kartika
Journal of Tropical Biodiversity and Biotechnology Vol 9, No 3 (2024): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.90746

Abstract

The giant gourami (Osphronemus goramy Lacepede, 1801), a popular aquaculture species in Southeast Asia, exhibits unique cooperative biparental care behaviour. To support captive breeding efforts, this study aimed to visually document the reproductive activity of giant gourami, elucidate each stage in detail, and provide insights into the distinct parenting roles of males and females. Underwater cameras were used to observe a breeding pair of gourami in a pond for five days, conducted three times with different pairs during different spawning periods. The male and female contributions to nest building were quantitatively analysed using the T-test, while their parental care involvement was qualitatively assessed and statistically analysed using the Mann-Whitney U test. The results revealed three main phases of giant gourami reproduction: pre-spawning (including adaptation, nest building, and courtship), spawning and fertilisation, and post-spawning with parental care. Our observation confirmed the biparental tendency, with males being more involved in pre-spawning activities and females taking on a prominent role in post-spawning care. In conclusion, males focused on mating preparations and courtship, while females invested more in parental care.
MORPHOMETRY OF THE GILL AND ARBORESCENT STRUCTURES OF Clarias gariepinus (BURCHELL, 1822) AT DIFFERENT DEVELOPMENTAL STAGES Nuriliani, Ardaning; Karlina, Ina; Rohmah, Zuliyati; Sari, Dini Wahyu Kartika
Jurnal Penelitian Perikanan Indonesia Vol 31, No 2 (2025): (Juni 2025)
Publisher : Politeknik Kelautan dan Perikanan Karawang, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.31.2.2025.%p

Abstract

Catfish is one of Indonesia's superior fishery commodities. Catfish have an adaptation mechanism to an environment with minimal oxygen in their gill structure, namely arborescent to support their successful lives. This study examines Mutiara catfish's gill and arborescent morphometry at various developmental stages. The morphometric parameters consist of several parts, namely gill structure and arborescent structure. The gill structure includes the ratio of gill weight right and left to the weight and total length of the fish. Apart from that, the gills are divided into three main parts, namely the branchial arch, branchial filaments, and branchiospinalis. The part of the branchial arch observed includes the ratio of the length of the branchial arch to the total length of the fish. The branchial filament section includes the average number of branchial filaments per branchial arch, the average density of branchial filaments (filaments/cm), and the ratio of branchial filament length to branchial arch length. The branchiospinal section includes the average number of branchiospinalis per branchial arch and branchiospinal density. Arborescent structures include ratios of relative arborescent weight (%) right and left to total fish weight and the ratio of the number of arborescent branches to total arborescent weight. Catfish were sampled from the larval stage (1–14 days), juvenile (15–21 days), and post-juvenile to pre-adult (22–90 days). Statistical analysis of data using SPPS 22 software. Mutiara catfish in the post-adolescent to preadult stage have higher relative gill weight and relative arborescent weight than the juvenile and larval stages. The post-adolescent to preadult stage has a more developed gill and arborescent shape and size than the juvenile and larval stages.
A Novel Multiepitope Vaccine for Jembrana Disease: Immunoinformatics, Structural Analysis, Molecular Docking, and Molecular Dynamics Fatimah, Fatimah; Wibowo, Syahputra; Sari, Dini Wahyu Kartika; Pratiwi, Rarastoeti; Kusumawati, Asmarani
Indonesian Journal of Chemistry Vol 26, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.110759

Abstract

Jembrana disease, caused by the Jembrana virus, leads to high mortality (30%) and abortion (49%) in cattle, making vaccination essential. In this study, a multiepitope vaccine was designed using immunogenic TM and CA proteins. Predicted cytotoxic T lymphocyte, helper T lymphocyte, and linear B-cell epitopes were linked with flexible linkers, and the 50S L7/L12 ribosomal protein was added as a TLR4 agonist. In silico analysis confirmed the construct as non-allergenic, antigenic, and thermostable (aliphatic index 85.44), with 94.2% of residues in favored Ramachandran regions. Docking analysis revealed strong binding to TLR4 (−66 kcal/mol), and molecular dynamics simulations validated the structural stability. Immune simulations revealed increased antigen and antibody levels (IgM early, IgG1/IgG2 after day 15), progressive CD4+ T-helper expansion, transient CD8+ T-cell peaks, elevated IFN-γ and IL-2, and strong dendritic cell activation through MHC I and II pathways. These findings indicate the vaccine effectively stimulates humoral and cellular responses, supporting its potential as a promising candidate against the Jembrana virus.
Co-Authors Ardaning Nuriliani Asmarani Kusumawati Bimasuci, Harya fatimah Fatimah Hardaningsih, Ignatius Junior, Timothy Irsyad Karlina, Ina Rarastoeti Pratiwi Rohmah, Zuliyati Wibowo, Syahputra