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Jurnal Biologi Universitas Andalas
Published by Universitas Andalas
ISSN : -     EISSN : 23032162     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 294 Documents
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Potensi Jamur Endofit dari Daun Jambu Nasi-Nasi (Syzygium zeylanicum) sebagai Antibiotik Alami dalam Mengobati Jerawat Syarifah, Syarifah; Yusfarani, Delia; Kharism, Sully P; Fauzan, Ahmad R
Jurnal Biologi Universitas Andalas Vol 12 No 2 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.12.2.156-165.2024

Abstract

Endophytic fungi are microscopic organisms that live in leaves, stem bark and root bark at certain periods by forming colonies without harming their hosts, and even have a mutually beneficial relationship. Endophytic fungi generally produce secondary metabolites that have useful biological activities such as antibacterial, antioxidant, antiviral and anticancer. Endophytic fungi can be found in various types of plants, especially in medicinal plants, such as Syzygium zeylanicum, which is one of the many medicinal plants found in Indonesia. A total of 6 endophytic fungal isolates were successfully isolated from the nasi-nasi guava, namely Septonema, Lasiodiplodia pseudotheobromae, Trichoderma aureoviridae, Acremonium, Sclerotium, Scopulariopsis asperula. Antibacterial activity was carried out using the agar diffusion method. The percentage of antibacterial activity values shows that SL1, SL2, SL3, SL4, SL5 and SL 6 all have strong antibacterial activity against the bacteria Staphylococcus aureus and Propionibacterium acnes, while for the bacteria Staphylococcus epidermidis it is found that isolates SL1, SL4 and SL6 have strong antibacterial activity and isolates SL2, SL3 and SL5 had moderate antibacterial activity. This category shows that the extract of the endophytic fungus Syzygium zeyanicum has antibacterial potential.
Identification Of Intestinal Worms On Horses At The Cipanas Presidential Palace Using The Flotation Method Siagian, Tetty Barunawati; Malik, Abdul; Nuriman, Trian Gustiana
Jurnal Biologi Universitas Andalas Vol 12 No 2 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.12.2.129-133.2024

Abstract

The Cipanas Presidential Palace has local horses with sandalwood and sumbawa types that are used as riding horses and decorative horses to beautify the palace. The horses are kept by being stabled in the afternoon until morning, and being let out in the morning until evening. This maintenance method certainly carries a risk of gastrointestinal worm infection and often worm infections in horses do not cause clinical symptoms. The purpose of the study was to identify the types of gastrointestinal worms that infect horses at the Cipanas Presidential Palace. This study used fecal samples from 26 horses that were examined using the flotation method. The results of the examination showed that 24 samples were positive for strongylid worm eggs. The percentage of worm infection in horses at the Cipanas Presidential Palace was 92.3%. The findings of Strongylid worm eggs are oval with thin walls and have morula like grapes. Adult worms that have Strongylid worm eggs are Strongylus vulgaris. The cause of horses being infected with worms is due to being let out too early, giving wet grass that is not wilted, and storing wet grass in a damp warehouse. Based on the research above, it was concluded that local horses at the Cipanas Presidential Palace were infected with Strongylus vulgaris worms.
Ant Species Composition Collected by Pan Traps in a Rehabilitated Coal Mining Area in Sawahlunto City, West Sumatra Tasman, Ratna Juwita; Nurdin, Jabang; Herwina, Henny; Jasmi, Jasmi; Janra, Muhammad Nazri; Satria, Rijal
Jurnal Biologi Universitas Andalas Vol 12 No 2 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.12.2.143-148.2024

Abstract

Pan traps is a popular technique for determining the diversity of pollinating insects in different settings. These traps are effective for field use and can quickly produce sample data because they are simple to operate and don't require any specific equipment to be deployed. Pan traps, however, also catch a variety of non-pollinator insects in addition to pollinating insects. In this study, the Pan traps methods were used in three different habitat types: rice-field, Acacia agroforestry and secondary forest on reclaimed coal mining site. Fourteen members of the Formicidae family with 11 species, 9 genera, 8 tribes, and 3 subfamilies were found from all of the combined traps. The most common species, with four records, was Camponotus arrogans, which was regularly found in all types of habitat. With 9 species and 14 individuals, blue pan traps caught the greatest diversity of ant species, while yellow pan traps were the least successful with one species and one individual. Comprehending the variables that impact ant diversity and abundance in various habitat types, as well as their interactions with the environment, can yield significant insights on the quality of habitats and function as markers of environmental alterations. This information is essential for the management of habitats and conservation initiatives.
Assessing Bird Diversity and Birdwatching Potential in the Area of Sungkai Green Park Ecotourism, Padang City Firjatullah, Fadhilah; Rizaldi, Rizaldi; Novarino, Wilson
Jurnal Biologi Universitas Andalas Vol 12 No 2 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbioua.12.2.97-105.2024

Abstract

Kawasan Ekowisata Taman Hijau Sungkai (ESGP) memiliki berbagai jenis vegetasi yang berpotensi menjadi habitat bagi beragam spesies burung. Penelitian ini bertujuan untuk menilai keanekaragaman burung dan potensi pengembangan kegiatan pengamatan burung di kawasan ESGP. Inventarisasi spesies burung dan pengamatan karakteristik morfologi dilakukan melalui pengamatan langsung dan fotografi. Pengamatan dilakukan pada pagi dan sore hari dari Mei hingga Juni 2024 di sepanjang jalur pemantauan. Daftar MacKinnon 10 spesies digunakan untuk menghitung akumulasi spesies burung yang tercatat selama studi lapangan. Penelitian ini mengidentifikasi 52 spesies burung dari 25 famili dan 11 ordo, dengan total 893 penampakan selama 90 jam (9,92 individu/jam). Berdasarkan penilaian potensi pengamatan burung menggunakan kriteria status fisik, ekologi, dan konservasi, direkomendasikan sepuluh spesies burung sebagai target utama kegiatan pengamatan burung: Rangkong Karangan Karangan, Barbet Berwarna-warni, Elang Elang yang Dapat Diubah, Iora Biasa, Pelatuk Buff-rumped, Merpati Zamrud, Burung Matahari Tenggorokan Coklat, Burung Matahari Merah, Burung Matahari Polos, dan Jalak Glossy Asia. Temuan penelitian ini menunjukkan bahwa keanekaragaman spesies, daya tarik burung, dan status konservasi di kawasan ESGP dapat mendukung pengembangan kegiatan pengamatan burung

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