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All Journal Biotropika Current Biochemistry Jurnal Sumberdaya Hayati Jurnal Ilmiah Biosaintropis (Bioscience-Tropic) Bioma : Jurnal Biologi Indonesia JMM (Jurnal Masyarakat Mandiri) Jurnal Jejaring Matematika dan Sains Bubungan Tinggi: Jurnal Pengabdian Masyarakat IJOEP : International Journal of Ecophysiology Konservasi Hayati International Journal Of Science, Technology & Management (IJSTM) Bioactivities Journal of Biotropical Research and Nature Technology Biodiversitas Journal of Biological Diversity
Frans Grovy Naibaho
Program Studi Biologi, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Palangka Raya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Transportation Other

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ISOLASI BAKTERI ENDOFIT BAWANG DAYAK (Eleutherine bulbosa) DAN UJI ANTAGONISME TERHADAP BAKTERI Escherichia coli DAN Staphylococcus aureus Frans Naibaho; Ebrry Dwi Putra; Liswara Neneng; Desimaria Panjaitan
Bioma Vol. 19 No. 1 (2023): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/Bioma19(1).5

Abstract

Antibiotic resistance is one of the main challenges faced by the health world today. Therefore, various efforts are being made to find new alternative antibiotics from various sources. Endophytic bacteria from medicinal plants are thought to have an antibacterial activity that can potentially inhibit pathogenic bacteria growth. This study aimed to isolate and characterize endophytic bacteria from the Dayak onion plant and determine their potential to inhibit the growth of two pathogenic bacteria Escherichia coli and Staphylococcus aureus. Bacterial isolation was carried out using the surface sterilization method and grown on nutrient agar media. The endophytic bacteria isolates obtained were then characterized macroscopically and microscopically. The agar plug diffusion method carried out the antagonism test against pathogenic bacteria. The result showed that 40 isolates of endophytic bacteria were successfully isolated from the Dayak onion plant's leaves, bulbs, and roots. Based on the antagonism test, 3 isolates were able to inhibit E.coli while 8 isolates were able to inhibit S. aureus. Three isolates (CED3, CED4, and CEU6) were able to inhibit both pathogenic bacteria, and the highest activity was shown by CED3 isolates.
Antimicrobial and Antioxidant Activities of Some Xylariaceous Fungi Panjaitan, Desimaria; Noraini; Norwahyunie; Fastanti, Fandri Sofiana; Naibaho, Frans Grovy
Biotropika: Journal of Tropical Biology Vol. 13 No. 3 (2025)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2025.013.03.01

Abstract

The Xylariaceae family comprises cosmopolitan ascomycetous fungi that predominantly live as saprobes, contributing ecologically and forming interactions with various organisms. Due to their cultivability under laboratory conditions and potential to produce bioactive metabolites, members of Xylariaceae are increasingly explored for bioprospecting. This study aimed to evaluate the antimicrobial and antioxidant activities of mycelial extracts from Xylariaceae isolates collected from Central Kalimantan, Indonesia, as an initial step in exploring their bioprospective traits. Fungal specimens obtained from forest exploration were cultured in vitro to obtain axenic cultures. Liquid-state fermentation was performed to induce metabolite secretion, and the biomass was extracted (macerated) using ethyl acetate (EtOAc) and methanol (MeOH). The antimicrobial activity was tested against Bacillus cereus, Staphylococcus aureus, and Candida albicans using the disk diffusion method. Antioxidant capacity was assessed via the DPPH radical scavenging assay and expressed as IC50 values. Morphological examination of six isolates (DP61–DP66) revealed characteristic features of Xylariaceae, such as upright stromata, clavate dark structures, and smooth to punctate surfaces, while their mycelia appeared white and unpigmented. Ethyl acetate extracts generally exhibited broader antibacterial effects than methanolic extracts. The EtOAc-DP62 extract exhibited strong antibacterial activity, with inhibition zones of 13.3 mm and 13.2 mm against B. cereus and S. aureus, respectively. MeOH-DP66 demonstrated the strongest antifungal activity, with an inhibition zone of 21.7 mm. DP62 also exhibited potent antioxidant activity (IC50 = 3.44 µg/mL), surpassing ascorbic acid (IC50 = 28.32 µg/mL). Molecular identification based on ITS-rDNA sequences revealed DP62 as Nectriopsis epimycota (Bionectriaceae) and DP66 as Xylaria plebeja (Xylariaceae). Interestingly, DP62 may represent an endohyphal fungus initially associated with a xylariaceous fruiting body. These findings highlight the bioprospective value of these fungal isolates as promising antimicrobial and antioxidant-producing agents.
Foliose Lichen Diversity and Substrate Occurrence in Bukit Baranahu, Bukit Tangkiling Nature Park, Central Kalimantan, Indonesia Risna Yanti Pasang Lolok; Vinsen Willi Wardhana; Frans Grovy Naibaho; Widya Krestina; Desimaria Panjaitan
Journal of Biotropical Research and Nature Technology Vol. 5 No. 1 (2026): Journal of Biotropical Research and Nature Technology
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jbrnt.2964-0431.450

Abstract

Lichen diversity in Indonesia remains unevenly documented, with Kalimantan still underrepresented in current lichenological records. Bukit Baranahu, located within Bukit Tangkiling Nature Park, Central Kalimantan, is a lowland conservation area with socio-ecological importances, but information on its biodiversity, including foliose lichens, remains unavailable. This study aimed to identify foliose lichen taxa and describe their substrate occurrence in Bukit Baranahu. Field collection was conducted from May to October 2023 using an exploratory cruise survey combined with purposive sampling along accessible paths from the foothill toward the upper part of the hill. Specimens were examined based on morphological, anatomical, and chemical characters, including standard spot-test reactions. A total of 22 foliose lichen specimens were recorded and assigned to 17 taxa belonging to Caliciales and Lecanorales. Caliciaceae was the richest family, mainly represented by Dirinaria, whereas Parmeliaceae and Physciaceae were represented by fewer taxa. This composition differed from several Indonesian lichen inventories in which Parmeliaceae was commonly reported as a dominant family. Foliose lichens were recorded on living trees, snags or dead standing wood, fallen logs, and rocks, with living trees contributing the highest proportion of substrate records. Several taxa occurred on larger-diameter trees and snags, suggesting that substrate size, bark condition, and substrate stability may support local foliose lichen establishment. These findings provide the first baseline account of foliose lichen diversity and substrate occurrence in Bukit Baranahu and contribute to lichenological documentation in the underexplored lowland forests of Central Kalimantan.
Botanical survey of ethnomedicines in Dayak sub-ethnic groups, Ot Danum and Tomum in Central Kalimantan, Indonesia LISWARA NENENG; NAWAN NAWAN; FRANS GROVY NAIBAHO; SUDARMAN RAHMAN; LIA SEPTYA; DESIMARIA PANJAITAN; RIA WINDI LESTARI; ARIFIN SURYA DWIPA IRSYAM; NORWAHYUNIE NORWAHYUNIE; NORAINI NORAINI
Biodiversitas Journal of Biological Diversity Vol. 26 No. 1 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260145

Abstract

Abstract. Neneng L, Nawan, Naibaho FG, Rahman S, Septya L, Panjaitan D, Lestari RW, Irsyam ASD, Norwahyunie, Noraini. 2025. Botanical survey of ethnomedicines in Dayak sub-ethnic groups, Ot Danum and Tomum in Central Kalimantan, Indonesia. Biodiversitas 26: 458-469. The rise of globalization, urbanization, and environmental changes has led to the emergence of new infectious diseases and increased Antimicrobial Resistance (AMR), posing significant public health threats. This study aims to document the traditional medicinal knowledge of the Dayak Ot Danum and Tomum subtribes in Central Kalimantan, Indonesia, particularly regarding their ethnobotanical remedies for treating infectious diseases. Field surveys were conducted in August 2024 across four villages, utilizing purposive and snowball sampling techniques to interview 12 key informants, including traditional healers. Semi-structured interviews, Focus Group Discussions (FGD), and field observations were employed to gather information on the local use of medicinal plants. A total of 62 plant species were identified, with the highest proportions targeting bacterial infections (24 species), followed by viral (21 species), fungal (11 species), and parasitic infections (4 species), with mixed efficacy as antibacterial and antifungal (10 species) and antibacterial and antiviral (3 species). The Zingiberaceae family was the most frequently documented, a testament to the diverse and rich ethnobotanical knowledge of these communities. The findings highlight the effective use of traditional medicine in combating infections, suggesting the potential for integrating ethnobiological practices into contemporary healthcare strategies to address AMR. As indigenous populations face increasing health risks, preserving and leveraging traditional medicinal knowledge is crucial for developing sustainable approaches to health and wellness.
Co-Authors Adrian Hartanto ARIFIN SURYA DWIPA IRSYAM Aryanti Pada Soa, Christina Ayuchecaria, Noverda Damanik, Nina Septania Desiana Sinta DESIMARIA PANJAITAN Desimaria Panjaitan Desimaria Panjaitan Desimaria Panjaitan Dian Mutiasari, Dian Ebrry Dwi Putra Erman Munir Fachriyan Hasmi Pasaribu Faridah Tsuraya Fastanti, Fandri Sofiana Hibatullah, Alnadia Yusriya Ivan Permana Putra Jendri Mamangkey Krestina, Widya LIA SEPTYA LISWARA NENENG Liswara Neneng MARIA BINTANG Mirnawati Dewi NAWAN NAWAN Nina Septania Damanik Noraini Noraini Noraini NORAINI NORAINI Norwahyunie Norwahyunie Norwahyunie NORWAHYUNIE NORWAHYUNIE NUNUK PRIYANI Nunuk Priyani Rahman, Sudarman Rahmawati, Maynissa Retno Agnestisia RIA WINDI LESTARI Risna Yanti Pasang Lolok Rizko Hadi Rosenta Purba, Ika Vinsen Willi Wardhana Vinsen Willi Wardhana Widya Krestina Zulviana Zulviana Zulviana