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Biotropika: Journal of Tropical Biology
ISSN 2302-7282 · Biology Department, Faculty of Mathematics and Natural Sciences, Universitas Brawijaya · 206 articles in the index
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Journal Article
Genetic Variation of Four Mawar Tomato Cultivar (Solanum lycopersicum L.) based on Morphology and Inter Simple Sequence Repeat (ISSR) Markers
Tomato (Solanum lycopersicum L.) is one important horticultural vegetable species belongs to the Solanaceae family. Mawar tomatoes are known as a type of tomato that is widely used for seasonings or chili sauce because the fruit has a sour taste and juicy texture. Various mawar tomato varieties are…
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Journal Article
Ethnobotanical Study of Karo Traditional Ceremony in Wonokitri Village, Tosari District, Pasuruan Regency
The Karo traditional ceremony is the second biggest celebration after Kasada for the Tengger tribe. Wonokitri Village, Tosari District, Pasuruan Regency, is a village whose people still preserve a series of Karo traditional ceremonies. These activities use various types of plants for offerings…
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Journal Article
Comparative Pollution Index Assessment of Seawater Quality at Two Coastal Beaches in Lamongan
Different coastal activities may exert varying environmental pressures on marine water quality, even in geographically adjacent areas. This study aimed to compare the marine water quality at Kemantren Beach and Lorena Beach, Paciran District, Lamongan Regency, which are characterised by different…
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Journal Article
Ecological Structure, Diversity, and Utilisation Potential of Understory Vegetation in Sumber Arum Biodiversity Area, Banyuwangi
This study aimed to examine the ecological aspects and potential utilisation of understory vegetation in the biodiversity area of Sumber Arum, Songgon, Banyuwangi. The study was conducted using purposive sampling at five stations, which were further divided into 30 sub-stations in the areas of…
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Journal Article
Exploration of Copper and Lead Resistant Bacteria from Sediments of Kali Baru Estuary
Heavy metal contamination, particularly by copper (Cu) and lead (Pb), in aquatic ecosystems poses a significant threat to ecological balance, aquatic organisms, microbial diversity and human health. The Kali Baru Estuary in Semarang, Indonesia, has been reported as a heavily polluted area with Cu…
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Journal Article
Understory Vegetation and Aerial Insect Diversity in The Fragmented Riparian Zones of The Glatik River, East Java
Riparian forests, vegetation areas located along rivers and other water bodies, play a crucial role in maintaining the ecological integrity of a landscape. This study aimed to examine vegetation and insect diversity and analyze soil and water conditions in the Toyomarto, Candirenggo, and Ardimulyo…
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Journal Article
Growth Response of Several Rubber Scion Clones to KNO3 and NPK Fertilisation
This study investigated the growth responses of four rubber scion clones (GT 1, IRR 112, PB 260, and RRIC 100) to different fertiliser types and concentrations at Politeknik Negeri Lampung from August to December 2024. The experiment employed a factorial randomised complete block design with two…
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Journal Article
Genetic Polymorphism Analysis of Progression-Free Survival Rate of Prostate Cancer with Androgen Deprivation Therapy: Frequentist Network Meta-Analysis
Various gene mutations play an essential role in the development of prostate cancer (PCa). However, the predictive impact of the HSD3B1 gene on germline and somatic status has not been adequately investigated, as such genes and multi-gene mutations have not been thoroughly discussed. Hence, this…
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Journal Article
Epigenetic Profiling of Tumor Suppressor Genes Methylation in Breast Cancer Using the MS-MLPA Method
Breast cancer remains the leading cause of cancer-related mortality among women globally, with a high incidence rate reported in Indonesia. Early detection is essential for improving prognosis and therapeutic outcomes. DNA methylation in tumor suppressor genes (TSGs) has emerged as a promising…
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Journal Article
Etnobotani Tanaman Pangan dari Hutan dan Pekarangan Rumah pada Masyarakat di Pemukiman Kondang Merak, Malang Selatan
Tanaman pangan yang tumbuh di hutan dan pekarangan rumah masyarakat merupakan sumberdaya penting dalam program ketahanan pangan masyarakat pesisir yang hidup di sekitar hutan. Tujuan penelitian ini adalah mengetahui spesies tanaman pangan yang dimanfaatkan masyarakat Kondang Merak baik yang…
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Journal Article
Determination of Polyphenol Compounds in Clinacanthus nutans and Their Potential as Antioxidants
Free radicals can cause oxidative damage if they are produced in excess amounts in the body. To prevent this, the work of endogenous antioxidants needs to be supported by safe and effective exogenous antioxidants. Clinacanthus nutans is one of the sources of natural polyphenol compounds that have…
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Journal Article
Optimization of Analysis Method on Total Phenol Content and Antioxidant Activity in Peel and Seeds of White Pomegranate (Punica Granatum L.)
Pomegranate (Punica granatum L.) peel and seeds are rich in bioactive compounds, particularly phenolics, which contribute significantly to their antioxidant properties. This study aimed to determine the total phenolic content (TPC) and antioxidant activity of white pomegranate peel and seed…
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Journal Article
Isolation and Identification of Non-Symbiotic Nitrogen-Fixing Bacteria in Prancak Village Tobacco Farming Soil
Prancak 95 is one of the most prominent tobacco (Nicotiana tabacum L.) varieties in Indonesia, originating from Prancak Village, Madura. Among the essential nutrients required for tobacco growth, nitrogen plays a crucial role in supporting vegetative and reproductive development. Although…
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Journal Article
Virtual Based Screening of Rosmaniric Acid and Its Derivatives as Potential Anticancer Approach Targeting HIF-1a
Cancer is one of the leading causes of death in the world. Rosmarinic acid becomes one of the important polyphenolic compounds. It includes derivatives of two amino acids, caffeic acid from phenylalanine and 3,4-dihydroxyphenyl-lactic acid from tyrosine, secondary metabolites found in many herbal…
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Journal Article
Antioxidant Properties and Quantification of Phenolic and Flavonoid Compounds in Alpinia purpurata (Viell.) K. Schum Ethanol Extract
Phenolic and flavonoid compounds have been found to have positive benefits due to their antioxidant activity. Alpinia purpurata (Viell.) K. Schum, or lengkuas merah, is known to have aromatic rhizomes and is rich in active compounds such as flavonoids and phenolics. This research aimed to…
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Journal Article
CaCO3-Reformulated Interlocking Bricks: Physical Characterization and Their Antibacterial and Anti-Inflammatory Potential for Healthy Housing
Calcium carbonate (CaCO3) has many benefits for medicine, manufacturing, and nanotechnology due to its antibacterial and anti-inflammatory properties. Interlocking bricks (i-bricks) are widely used in sustainable housing for efficient air circulation and reducing humidity inside the house. If CaCO3…
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Journal Article
Molecular Analysis and Morphological Characterization of Tor sp. using DNA Barcode COI from Telaga Rambut Monte, Blitar, East Java, Indonesia
The genus Tor (Cyprinidae) comprises highly diverse freshwater fishes widely distributed in Southeast Asia, including Indonesia. However, information on Tor species in several regions remains limited. This study aimed to identify Tor species from Telaga Rambut Monte, Blitar, using morphological…
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Journal Article
Assessing the Vulnerability of Mangrove Habitats in the Coastal Area of Biak Timur District, Papua, Indonesia
The vulnerability of mangrove habitats to environmental changes driven by anthropogenic activities and climate change is a critical concern for sustainable ecosystem management. This study assesses the vulnerability of mangrove habitats along the coastal area of Biak Timur District, Papua, using…
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Journal Article
The Effect Nitrogen Fertilizer Application on the Resistance of Tobacco (Nicotiana tabacum L. ‘Bligon’) against Drought Stress
Tobacco (Nicotiana tabacum L.) is a plant that has high economic value. Water availability is a challenge in cultivating tobacco plants. Drought can affect plant physiology, reducing the metabolic rate and productivity of tobacco plants. Urea fertilizer contains nitrogen as a macronutrient, which…
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Journal Article
Diversity of Fusarium spp. on Various Host Plants in Indonesia: a Systematic Review
This study systematically reviews the diversity of Fusarium spp. associated with various host plants in Indonesia, including banana, shallot, taro, maize seeds, and weeds. Fusarium is a major group of pathogenic fungi in agriculture, capable of infecting multiple plant parts such as roots, stems…