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All Journal HAYATI Journal of Biosciences Jurnal Sumberdaya Hayati
Simanjuntak, Juniarto Gautama
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology

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Apis cerana Fabricius, 1793 in Sumatra: Haplotype Variations of Mitochondrial DNA and the Molecular Relationship with the Asian Honey Bees (Hymenoptera: Apidae) Simanjuntak, Juniarto Gautama; Priawandiputra, Windra; Raffiudin, Rika; Shullia, Nurul Insani; Jauharlina, Jauharlina; Pradana, Mahardika Gama; Meilin, Araz; Jasmi, Jasmi; Pujiastuti, Yulia; Lestari, Puji; Ilyasov, Rustem; Sitompul, Rahmadi; Atmowidi, Tri
HAYATI Journal of Biosciences Vol. 31 No. 4 (2024): July 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.4.768-780

Abstract

Honey bee Apis cerana is widely distributed in Asia and the Indonesian archipelago, including Sumatra. We studied the molecular variations of A. cerana using cytochrome c oxidase subunits 1 and 2 genes (cox1 and cox2) and the cox1/cox2 intergenic spacers (igs) in several altitudes in the six provinces of Sumatra. We explored the haplotype distributions of those three mtDNA markers for A. cerana in the low-, mid-, and highlands of Sumatra. We also analyzed their relationship with A. cerana in Sundaland and Asia using those markers. Our study revealed 12 new haplotypes of A. cerana cox1 in Sumatra, while nine and eight new haplotypes for cox2 and igs, respectively. Apis cerana in North Sumatra, Lampung, and South Sumatra had the three highest haplotype variations. Most of the specific haplotypes of inter-colony A. cerana from Sumatra were found in the lowlands, while most were in the highlands for intra-colony variations. We found low gene flow among populations of A. cerana in Sumatra. One haplotype, Sumatra4 cox2 from North Sumatra, was the same as Java3 haplotype, presumably due to anthropogenic impact. The molecular phylogenetic tree of A. cerana in the Sundaland revealed that A. cerana from Sumatra has a close relationship to those of Borneo compared to Java.
Eco-Friendly Antifungal from Seven Botanical Extracts and Its Effect To Plant Pathogenic Fungi Simanjuntak, Juniarto Gautama; Ulfa, Aulia; Putri, Savira Rahma Apriliya; Aisyah; Puspitasari, Raditya Febri; Putra, Ivan Permana
Jurnal Sumberdaya Hayati Vol. 10 No. 2 (2024): 2024
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.10.2.91-96

Abstract

Fusarium oxysporum has been the enemy in agriculture due to the wide range of infections in the whole crop and postharvest. Botanical extracts in traditional medicine systems were considered valuable sources for discovering new antifungals. Thus, exploration to get antifungals from eco-friendly botanical extracts as an alternative to synthetic fungicides needs to be expanded. Therefore, this study aims to test the antifungal potential of seven eco-friendly botanical aquadest extracts against F. oxysporum in vitro. The antifungal potential test was done on PDA media and the mycelial growth data was collected every two days for seven days. There were three antifungal phenomena were observed. The pandan leaf extract had a 4% fungal inhibition zone (phenomenon I). The extract of banana leaf, Hibiscus flower, papaya leaf, guava twig (phenomenon II), orange peels, and betel leaf (phenomenon III) had no values of fungal inhibition zone. Thus, pandan leaves extract revealed a fungal inhibition while other six botanical extracts had not enough antifungal potential in vitro.
Co-Authors Aisyah Araz Meilin Ilyasov, Rustem Ivan Permana Putra Jasmi Jasmi Jauharlina Jauharlina Nurul Insani Shullia Pradana, Mahardika Gama PUJI LESTARI Puspitasari, Raditya Febri Putri, Savira Rahma Apriliya RIKA RAFFIUDIN Sitompul, Rahmadi Tri Atmowidi Ulfa, Aulia WINDRA PRIAWANDIPUTRA, WINDRA YULIA PUJIASTUTI