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All Journal Jurnal Pembelajaran dan Biologi Nukleus Organisms: Journal of Biosciences
Alinza, Cheryska
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Medicine & Pharmacology Veterinary

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Characteristic Isolation of Bacteria in Lake Water on Campus-A of UIN Sulthan Thaha Saifuddin Jambi Anggriani, Latusi; Manurung, Aini Qomariah; Marsa, Andina Dwiana; Ritonga, Nisma Hariyanti; Alinza, Cheryska; Ningsih, Nuraisyah Gustri Anggrai; Saputra, Muhammad Arif Januarda
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 2: Jurnal Pembelajaran Dan Biologi Nukleus June 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i2.6846

Abstract

Background: Water bodies are highly susceptible to contamination from various sources, including domestic, agricultural, and industrial waste. These contaminants often introduce pathogenic microorganisms such as Escherichia coli and Salmonella sp., which pose significant risks to human and animal health. Despite this, bacteria also play a vital role in supporting aquatic ecosystems by facilitating the decomposition of organic matter. Methodology: This study was conducted with the objective of isolating and characterizing bacterial species present in the waters of Campus A Lake. Sampling was carried out by collecting water from several points within the lake. Bacterial isolation was performed using the serial dilution technique, followed by inoculation on Nutrient Agar (NA) media and incubation at 37 °C for 24 hours. The characterization phase included morphological observation of colonies, Gram staining, and biochemical tests such as oxidase reactions. Findings: The study successfully isolated three distinct bacterial colonies. One isolate exhibited a rod-shaped (bacillus) morphology, while the remaining two showed a spherical (coccus) form. All isolates tested Gram-negative, evidenced by the pink coloration after staining. Importantly, most of the isolates demonstrated an ability to break down organic material, indicating their usefulness in environmental cleanup. Additionally, the introduction of Eco Enzyme into lake water positively influenced the microbial ecosystem by promoting the growth of beneficial decomposers like Bacillus sp. and Lactobacillus sp., while simultaneously suppressing pathogenic bacteria. Contribution: These findings provide valuable insight for future water quality management and the development of effective, eco-friendly bioremediation strategies.
Genetic Frequency Analysis of Digitalis Finger Segments, Case Study of Students at the UIN Sulthan Thaha Jambi Campus Annisa, Rahma; Ritonga, Nisma Hariyanti; Marsa, Andina Dwiana; Alinza, Cheryska; Anggrai Ningsih, Nuraisyah Lord
ORGANISMS: JOURNAL OF BIOSCIENCES Vol. 5 No. 1 (2025): Organisms: Journal of Biosciences
Publisher : Pusat HKI, Paten, dan Publikasi Ilmiah Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/tgvxb035

Abstract

Rolling tongue (the ability to fold the tongue into a certain shape like a roll) is often used as a topic in genetic research because it is considered an example of simple genetic inheritance. This phenomenon involves a person's ability to roll the tongue up laterally which is often assumed to be a trait determined by a single dominant gene. However, further studies have shown that Rolling tongue is likely influenced by complex genetic and environmental factors. This study aims to determine the population of students at the State Islamic University of Sultan Thaha Saifuddin Jambi who can perform the Rolling tongue movement and also examine the factors that influence a person to be able to perform the Rolling tongue movement . This study uses a quantitative method with an observational approach to observe variations in the Rolling tongue phenotype in UIN STS Jambi students. From this study, it was found that the number of respondents was 104 students who were tested for Rolling tongue ability, who could perform the Rolling tongue movement were more than students who could not perform the movement. By analyzing data from various populations, this study concluded that Rolling tongue is not entirely inherited in a simple dominant manner but involves interactions between genetics and the environment
Co-Authors Anggrai Ningsih, Nuraisyah Lord Anggriani, Latusi Annisa, Rahma Manurung, Aini Qomariah Marsa, Andina Dwiana Ningsih, Nuraisyah Gustri Anggrai Ritonga, Nisma Hariyanti Saputra, Muhammad Arif Januarda