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All Journal Biocaster : Jurnal Kajian Biologi
Ekaputra, Paulus Rudirudolof
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Kearifan Lokal Roko Molas Poco dalam Perspektif Ekologi dan Konservasi Alam (Kajian Etnis Manggarai) Ekaputra, Paulus Rudirudolof; Ngama, Yulita Erlina; Lidi, Maria Waldetrudis
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i3.490

Abstract

This study examines the Roko Molas Poco Ritual as a form of local wisdom from an ecological and nature conservation perspective. The purpose of this study is to examine in depth the ecological values in the Roko Molas Poco traditional rite. This tradition is a traditional practice that contains inherited spiritual, social, and ecological values. This study uses a qualitative descriptive approach with data collection techniques through literature studies and interviews with traditional leaders. Data are analyzed through the process of data reduction, data presentation, verification, and drawing conclusions to obtain in-depth and contextual meaning. The results show that at each stage of the Roko Molas Poco contains symbols that depict environmental ethics and traditional conservation efforts, including the selection of the main wood (siri bongkok), the Ela Racang Cola ritual, the carrying of siri bongkok, the Ela Hambor Haju ritual, and the installation of siri bongkok. The Roko Molas Poco ritual has relevance in environmental education and nature conservation, namely in learning environmental values and ethics. This ritual instills the noble values of respect, appreciation, responsibility, and an awareness of human dependence on nature as a source of life. Thus, Roko Molas Poco serves as a preventive and participatory conservation instrument. This study recommends integrating the ecological values of Roko Molas Poco into environmental education curricula and community-based environmental conservation programs.
Adaptasi Sel terhadap Perubahan Lingkungan Osmotik Ekaputra, Paulus Rudirudolof; Sumira, Sumira; Doi, Yohana Fransiska; Ohaq, Emanuel; Wae, Veronika P. Sinta Mbia
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 1 (2026): January (In Progress)
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i1.873

Abstract

This study aims to examine the mechanism of cell adaptation to hypertonic conditions through osmoregulation processes in various types of cells and organisms. The method used is a systematic literature review of 30 national and international journal articles sourced from Google Scholar and ScienceDirect databases. Articles were selected based on inclusion criteria that include topic suitability, availability of osmotic experimental data, and relevance to cellular responses. The results of the study indicate that cells adapt through the accumulation of compatible osmolytes such as proline, glycine betaine, and sorbitol to maintain intracellular water and ion balance. This response was observed in various objects, including Rhoeo discolor cells that showed optimal adaptation to 0.26 M sucrose with a decrease in plasmolysis from 85% to 36%, and Inpari rice seeds with an increase in drought tolerance of up to 50% through proline accumulation. Active osmoregulation was also found in frog erythrocytes, Lactobacillus plantarum, tiger prawns (543-610 mOsm/L), and tilapia which recorded an 80% survival rate at graded salinities. In general, increased osmoregulatory capacity significantly reduced cell damage from hypertonic stress, although the magnitude of the response varied among organisms. These findings have important implications for the development of rainfed agriculture, brackish water aquaculture management, and the selection of genotypes resistant to extreme climate change.
Co-Authors Doi, Yohana Fransiska Maria Waldetrudis Lidi Ngama, Yulita Erlina Ohaq, Emanuel Sumira, Sumira Wae, Veronika P. S. M.