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All Journal Jurnal Biogenerasi Journal of Science and Education Research
Wirdullutfi, Wirdullutfi
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Agriculture, Biological Sciences & Forestry Education Environmental Science Languange, Linguistic, Communication & Media Social Sciences Other

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Menakar Literasi Mikrobiologi Mahasiswa Pendidikan Biologi Universitas Mataram Sakaroni, Rubiyatna; Wirdullutfi, Wirdullutfi; Hijriani, Baiq Isti
Journal of Science and Education Research Vol. 4 No. 2 (2025): Journal of Science and Education Research
Publisher : Yayasan Pendidikan Insan Mulia Utan Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62759/jser.v4i2.316

Abstract

Microbiology literacy is an important skill for prospective biology teachers to be able to understand, teach, and apply microbiology concepts appropriately in life and learning. This study aims to describe the microbiology literacy profile of biology education students at Mataram University based on competency and attitude dimensions after completing microbiology courses. The study employs a quantitative descriptive approach using instruments developed based on the PISA 2015 science literacy framework. The research subjects were students who had taken microbiology courses. Data were analyzed descriptively to determine literacy score categories. The results showed that students' microbiology literacy was generally in the moderate to low category. In the competency dimension, the highest scores were in the ability to interpret data and scientific evidence, while the lowest scores were in the ability to evaluate and design scientific investigations. In the dimension of attitude, the majority of students were in the moderate category, with the highest scores in the assessment of scientific approaches and the lowest scores in interest in microbiology. These low scores indicate the need to strengthen higher-order thinking skills, hands-on experience in research design, and learning that links microbiology concepts to real-life contexts. This study recommends the use of project-based, problem-based, and socio-scientific issue-based learning strategies, as well as evaluations that require the application of concepts and analysis. This approach is expected to enhance students' conceptual understanding, analytical skills, and scientific attitudes in a balanced manner.
ANALYSIS OF ACTINOMYCETES ABUNDANCE IN THE RHIZOSPHERE OF MANGROVE ECOSYSTEMS IN SEKOTONG AS A POTENTIAL SOURCE OF BENEFICIAL MICROBES Sakaroni, Rubiyatna; Baiq Isti Hijriani; Wirdullutfi
Jurnal Biogenerasi Vol. 10 No. 3 (2025): Volume 10 no 3 tahun 2025 terbit september
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v10i3.6701

Abstract

The rhizosphere of mangroves is a microhabitat rich in root exudates and organic matter, making it an ideal environment for the growth of Actinomycetes. This study aims to analyze the abundance of Actinomycetes in the mangrove rhizosphere at three different locations in Sekotong District, West Lombok: Bagek Kembar, Tanjung Batu, and Buwun Mas. Sampling was conducted using purposive sampling in the dominant root zone at a depth of ±20 cm. Actinomycetes isolation was performed using the surface plate method on SCA medium supplemented with nystatin as an antifungal agent. The results showed that the highest abundance was found in the rhizosphere of Rhizophora mucronata at Bagek Kembar with 4.6 × 10⁵ CFU/g, while the lowest was in Avicennia marina at Tanjung Batu with 1 × 10⁵ CFU/g. In general, Rhizophora mucronata showed higher abundance than Avicennia marina in all locations. This difference was influenced by root exudate characteristics, root system structure, and soil physicochemical conditions such as aeration and organic matter content. This study concludes that the rhizosphere of Rhizophora mucronata in Bagek Kembar is a more supportive habitat for the growth of Actinomycetes. This finding serves as an important basis for further exploration of Actinomycetes isolates from mangroves as potential sources of biocontrol agents and antimicrobial compound producers.
Co-Authors BaiqIsti Hijriani Sakaroni, Rubiyatna