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BIOVALENTIA: Biological Research Journal
Published by Universitas Sriwijaya
ISSN : -     EISSN : 24771392     DOI : https://doi.org/10.24233/biov
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology
BIOVALENTIA: Biological Research Journal aims to review and publish the Biological research results from researchers. The range of articles which BIOVALENTIA: Biological Research Journal publishing is the research results in Biology science and applied Biology. Biology science is included Ecology, Biosystematics, Physiology, Developmental Biology, Microbiology, Genetics. Applied Biology is included Biotechnology, and the sciences derived from Biology science.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 11 Documents
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Search results for , issue "Vol. 11 No. 1 (2025)" : 11 Documents clear
The Morphological Traits of Brazilian Spinach on Different Shading intensi-ties and Organic Fertilizer Strayker, Ali Muda; Fitra , Gustiar; Theresia , Aprila Sareng; Zaidan , Panji Negara; Erizal , Sodikin; Entis Sutisna , Halimi
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.2.2025.338

Abstract

Environmental growth will have an impact on plant morphology. This condition also involves shading and nutrient availability for Brazilian spinach as an introduced leafy vegetable. The study aimed to evaluate Brazilian spinach growth and yield on different shading intensities and organic fertilizers. The study adopted a split-plot design with artificial shading intensities (0%, 50%, and 70%) as the main plot and the type of organic fertilizer (guano, vermicompost, liquid organic fertilizer) as the subplot. The results showed that Brazilian spinach could adapt to canopy areas. However, the Brazilian spinach growth was dominant in a no-shade environment (S0). It was evident by shoot fresh weight (SFW), stem dry weight (SDW), branch dry weight (BDW) and leaf dry weight (LDW). Guano fertilizer (F1) was an organic fertilizer that increased the observed variables, including canopy growth, nutrient and water absorption ability and absolute growth of Brazilian spinach. Although the shoot-root ratio for each single treatment did not show a significant effect. There was a significantly interaction between shade and organic fertilizer in Brazilian spinach growth for all morphological traits including shoot-root ratio. Generally, leaf growth was a positive correlation to stem (R2= 0.9918), branches (R2= 0.7258) and shoots (R2=0.9105). In conclusion, the most suitable growing environment for Brazil spinach growth and yield is in no-shading areas, while guano fertilizer application is recommended to be selected to enhance Brazil spinach growth and yield.
The Identification of Escherichia coli Virulence Gene from Diabetic Foot Ulcer (DFU) at the Diabetes Care Home, Bekasi, West Java, Indonesia Inggraini, Maulin; Anindita, Reza; Ilsan, Noor Andryan; Nurfajriah, Siti
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.448

Abstract

One of the complications of diabetes is diabetic foot ulcer (DFU). One of the bacteria that shows a high prevalence in DFU patients is Escherichia coli. The purpose of this study to determine the virulence gene in E.coli isolated from DFU patients at the Bekasi Diabetes Care Home, West Java, Indonesia. Detection of E.coli virulence genes was carried out using the Whole Genome Sequence (WGS) method. Data analysis was carried out descriptively. This study showed the presence of fdeC, fimH, astA, hlyE, hlyF, csgA, and cvaC genes. This study concluded that the fdeC and fimH genes encode protein expression for the formation of colonisation or biofilm, astA, hlyE, and hlyF genes encode the expression of enterotoxin and hemolysin, csgA genes, and cvaC encode the expression of colicin, Curlin, and microcin C bacteriocin.
A In Vitro Callus Induction from (Antidesma bunius L.) Leaves Adju, Fitria Y.Hs.; Ahmad, Jusna; pagalla, Devi Bunga; Kandowangko, Novri Youla; Husain, Indriati; Isima , Lindawaty
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.451

Abstract

Antidesma bunius L. is a tree species that has ecological and economic benefits, and has many bioactivities. Propagation of this tree can be done in several ways, one of which is callus induction. Callus is a collection of undifferentiated cells that can develop into new plants with the help of ZPT. The purpose of this study was to determine the effect and optimum combination of ZPT 2,4-D and BAP on the induction of leaf callus of A. bunius L. The research design was a non-factorial Completely Randomised Design (CRD) with 4 treatments namely P0: MS without the addition of zpt; P1: MS + 1 ppm BAP + 3 ppm 2,4-D; P2: MS + 2 ppm BAP + 2 ppm 2,4-D; P3: MS + 3 ppm BAP + 1 ppm 2,4-D. Parameters observed included callus emergence time, percentage of callus explants, and callus morphology. The results showed that P2 is the best concentration for callus induction, by looking at the observed effect on callus emergence time of 6 HST, percentage of callus explants 56% and callus morphology which is white with crumb texture, which can develop into embryogenic callus
A Physiological Status Affect Reptiles Thermoregulation’s Strategy: A Review Oktariansyah, Yadi
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.459

Abstract

As an ectotherm class, reptiles' thermoregulation has unique mechanisms through the combination of physiological traits, behavioral adjustments, and environmental aspects. Reptiles need to do thermoregulation since their body temperature is affected by environmental aspects. Reptiles experience physiological status, which plays an important role in thermoregulatory behavior. This study explores the response of reptiles' thermoregulation strategy under various physiological states, representing facts about the complex thermoregulation mechanism. Specific physiological statuses such as life stage, reproduction status, immune and health system, dehydration, and digestive have been deeply explored by researchers to identify the effects of these traits on reptiles' thermoregulation strategies. These traits significantly affect reptiles' body temperature, such as having low Tb under the dehydration state and choosing higher Tb to promote food digestion under the digestive state. However, the consistency of these results may vary among reptile species that refer more to behavioral adjustment and mating process rather than physiological status. Different life stages and reproduction statuses also influence reptiles' thermoregulation strategy and implicate the evolutionary mechanism for gravid females to obtain a thermally suitable environment, especially for their embryos. Under behavioral adjustments, reptiles alter microhabitat selection to encounter low thermal environments such as water desiccation or climate change threats. Further research that combines physiological traits, behavioral adjustment, and environmental aspects through a biophysical model can contribute to demonstrating how thermoregulation strategies may compromise different physiological statuses. For reptiles, climate change is strongly associated with population loss. Therefore, this study with relevant topics may stand as a proxy for conservation regulation and policymakers to reduce unfavorable thermal environment aspects through habitat degradation.
The Morphological, Anatomical and Physiological Responses of Kemiri Sunan (Reutealis trisperma) Under Drought Stress Nisa, Amanatun; Devita , Harijayanti; Riki , Kurniawan
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.466

Abstract

Reutealis trisperma is a promising bioenergy crop, exhibits notable drought stress responses that influence its morphology, physiology, and anatomy. However, the information about Reutealis trisperma under drought stress was still limited. Therefore, we conducted this study to evaluates the plant's adaptive mechanisms under controlled greenhouse conditions with varying levels of drought stress of Reutealis trisperma. We used a completely randomized design (CRD) with drought stress as the treatment and 10 repetitions. Drought stress was applied by withholding water, with treatments divided into mild stress (2 weeks) and suffer stress (7 weeks). Control plants were watered regularly. We measured some morphological parameters (plant height, number of leaves, dry weight), physiological parameters (RWC, MDA, proline, chlorophyll content), and anatomical parameters (stomatal density and structure). Data were analysed using ANOVA with a 0.05 significance level. Results revealed a decline in plant height, chlorophyll content, and relative water content (RWC), alongside an increase in malondialdehyde (MDA) levels, indicating oxidative stress. Morphological changes included reduced leaf and root biomass, while anatomical adaptations featured reduced stomatal density to conserve water. Reutealis trisperma exhibits significant morphological, physiological, and anatomical adaptations under drought stress. Drought reduced plant height, chlorophyll content, and relative water content while increasing root-to-leaf dry weight ratios and malondialdehyde levels, indicating oxidative stress. Anatomical changes, such as reduced stomatal density, enhance water conservation. These adaptations underscore the plant's resilience, supporting its potential for bioenergy production on marginal, water-deficient lands.
The Effects Of Mahogany Leaf Extract (Swietenia mahagoni (L.) Jacq) On Effects The Histological Structure Of The Gastric Mucosa In Mice (Mus musculus L.) Tegar Adi, Wibowo; Arum, Setiawan; Sarno, S
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.472

Abstract

Each part of the mahogany plant (Swietenia mahagoni (L.) Jacq) has many benefits that can help cure diseases traditionally. Phytochemical screening of mahogany plants has isolated more than 45 limonoids, and it is known that they contain fatty acids and terpenoids.This experiment was performed to examine the effect of mahogany leaf extract (S.mahagoni (L.) Jacq.) on the histological structure of the gastric mucosa in mice (Mus musculus L.) and prove the effect of giving leaf extract in reducing peptic ulcer scrores ini mice. Twenty mice were divided into 5 treatment groups. Before giving mahogany leaf extract, the mice underwent acclimatization and fasted for 2 x 48 hours. The administration of mahogany leaf extraxt is carried ot orally using a probe with repetitions 3 times every 8 hours. The doses of mahogany eaf extract given are 500mg/kgBB, 1.000 mg/kgBB, and 2.000 mg/kgBB. The other groups were negative control dan positive control. After the treatmen of the mice was somplete, the mice were dissected to remove their stomachs and carried out observations. The gastric mukosa was observed by scoring based on the severity of the ulcer and the hematoxylin eosin staining showed that mahogany leaf methanol extract had a better effect on the histologica structure of the mucosa in mice by reducing inflammatory cells ini the mucosal layer. Administration of mahogany leaf methanol extract had an effect in reducing peptic ulcer scores in the stomachs of mice. The higher the dose of mahogany leaf extract, the lower the degree of damage to the microscopic appearance of the mice’s gastric mucosa.
The Abundance and Diversity of Plankton in Cidurian River Ecosystem, Bandung, West Java Yuliyana, Adika; Pribadi, Tri Dewi Kusumaningrum
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.443

Abstract

River pollution is a special concern in environmental studies due to human waste disposal, while the rivers are still the main source for anthropogenic activities of the community. Population growth in Bandung City (2.26% annually) has intensified these activities, contributing to water pollution in the Cidurian River, a vital 24.86 km waterway in West Java. Improper waste management and agricultural runoff have further degraded water quality, affecting aquatic life, including plankton. This study was conducted to analyze the abundance and diversity of plankton as aquatic bioindicators in the Cidurian River. Sampling was conducted at four stations consisting of nine plots selected based on purposive sampling method with three repetitions. The results revealed 26 species of phytoplankton and 11 species of zooplankton. The highest abundance of phytoplankton and zooplankton was found at station 1, with values of 130 cells/L and 56 individuals/L respectively. Chlorophyceae was the most frequently observed class at all stations. Ecological analysis using the Shannon-Wiener Diversity Index showed the highest values at station 1, with phytoplankton H’=2.21 and zooplankton H’=0.79, while the lowest species dominance was observed at stations 3 and 4. Environmental parameters indicated variations among stations. Based on the data, the water quality of the Cidurian
The Growth Of Oil Palm (Elaeis guineensis Jacq.) In Pre Nursery With Planting Media Composition And Concentration Of Micro Fertilizer I Wayan , Sugita; Yakup; Erizal , Sodikin; M. Umar , Harun
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.458

Abstract

Planting media and micronutrients are important aspects of plant growth. Planting media rich in organic matter and micronutrients such as B and Cu are essential nutrients that must be fulfilled for oil palm plants (Elaeis guineensis Jacq). This study aims to determine the growth of oil palm in early nurseries with the composition of planting media and the concentration of microfertilizer application and determine the best treatment interaction for oil palm seedling growth. The research was conducted at UPT BPP Tungkal Jaya Kec. Musi Banyuasin from December 2023 to March 2024. The design used was a two-factor Randomized Block Design with three replications, each replication consisting of 48 plants so that there were 144 experimental units. The treatments consisted of (M0P0) 100% soil + 0 ml/plant vs (M1P1) 85% soil + 15% rice husk charcoal + 2 ml/plant vs (M2P2) 75% soil + 25% rice husk charcoal + 4 ml/plant and (M3P3) 50% soil + 50% rice husk charcoal + 6 ml/plant. The data obtained were analyzed using ANOVA, if there was a significant effect, it was continued with the Honest Real Difference test at the 5% level. The results showed that the composition of planting media had a significant effect on oil palm growth such as stem diameter, number of leaves, plant height, wet weight, dry weight and root length. However, microfertilizer concentration did not show a significant impact on growth. The interaction between growing media and microfertilizer affected certain variables such as leaf area, wet weight and root length.The conclusion of this research is that M3 planting media and P3 microfertilizer are effective in increasing the growth of oil palm seedlings. The use of organic planting media, loose and providing sufficient nutrients for plants found in the community environment
The Effectiveness of Entomopathogenic Bacillus thuringiensis on Rice (Oryza sativa) in Muara Enim Regency, South Sumatera Indonesia Ririn, Nurbandini; Yulia , Pujiastuti; Chandra , Irsan
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.467

Abstract

Insecticide spraying in rice ecosystems not only significantly reduces pest insect populations but also populations of predatory arthropods, parasitoids and neutral insects. Therefore, other alternatives are needed that are safer for the environment, non-target organisms and humans. One alternative with biological agents using Bacillus thuringiensis bacteria that are entomopathogenic. The aim of the research was to study the effect og Bacillus thuringiensis towards population of rice pests, predatory arthropods and natural enemies. The research was conducted in Muara Enim Regency from July to October 2023. Observations of agronomic traits of rice  in the form of plant height, number of rice tillers and production yield. Insect observations using pitfall trap insect nets and visual. This study used a completely randomized design (CRD) with 3 treatments consisting of B. thuringiensis bioinsecticide treatment, synthetic insecticide made from abamectin and control repeated 6 times every 2 weeks. The results showed the application of B. thuringiensis bioinsecticide had an effect on plant height, number of rice tillers and production yield. In observations using pitfall traps and insect nets, the highest number of species was obtained from the Coleoptera and Hemiptera orders and had a Shanon-Winner diversity index value (H') in the application of Bioinsecticide B. thuringiensis 3.31 Synthetic insecticide 2.51 and control 3.11.  In general, B. thuringiensis could be used as an alterbative insecticide to control insect pest but it was safe for natural enemies and pollinator
Analysis of Soil Insect Diversity as Bioindicator of Post-Mining Land Reclamation Success Rate: Case Study at West Banko Area, PT Bukit Asam Kamal, Mustafa; Ramadhani, Audya Rahma; Oktariansyah, Yadi
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.468

Abstract

Open-pit coal mining damages habitat, alters soil, and lowers biodiversity, therefore harming the ecosystem. Efforts at land reclamation involving topsoil restoration and regrowth are very vital for ecological recovery. This study uses soil insect diversity as a bioindicator of West Banko area PT Bukit Asam, South Sumatera, reclamation success. Soil insects were collected using combinations of soil extraction and forest floor collection methods along transect lines. Environmental factors like soil temperature, pH, humidity, and light intensity were measured to determine habitat conditions. Data demonstrates that Formicidae (Camponotus spp.) dominates the total of 154 soil insect individuals across eight genera, four families, and three orders. Considering excellent development in the restoration effort, the Shannon-Wiener diversity index (H') = 1.80656 indicates a minor degree of biodiversity. But the preponderance of monoculture Eucalyptus plants may limit insect diversity. increased soil humidity levels (60–80%) linked with increased insect population, therefore underlining the significance of soil moisture in the regeneration of ecosystems. The findings underline the need for different vegetation in reclamation strategies to help in better ecological balance and biodiversity. This study would be rather helpful for policymakers to focus on land restoration projects for ecologically acceptable post-mining ecosystem regeneration.

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