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INDONESIA
Jurnal Biologi Tropis
Published by Universitas Mataram
ISSN : 14119587     EISSN : 25497863     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Biologi Tropis (ISSN Cetak 1411-9587 dan ISSN Online 2549-7863) diterbitkan mulai tahun 2000 dengan frekuensi 2 kali setahun oleh Program Studi Pendidikan Biologi PMIPA FKIP Universitas Mataram, berisi hasil penelitian dan ulasan Ilmiah dalam bidang Biologi Sains.
Arjuna Subject : -
Articles 2,520 Documents
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Differential Levels and Biological Roles of eNOS and SCUBE1 in Endothelial Dysfunction: A Systematic Review Siregar, Muhammad Abi Ghoffari; Ali, Hirowati; Rahmadian, Rizki; Rasya, Salsabila Faiha Wiendra
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10226

Abstract

Endothelial dysfunction (ED) is a systemic disorder marked by impaired nitric oxide (NO) availability, which is essential for maintaining vascular tone and managing oxidative stress. This dysfunction contributes to vascular pathologies such as atherosclerosis and coronary artery disease (CAD) by fostering vasoconstriction, increased permeability, and inflammatory responses, thereby highlighting the urgent need for biomarkers and interventions aimed at mitigating endothelial dysfunction and its associated risks. The relationship between eNOS and SCUBE1 relates to endothelial function and oxidative stress. This study seeks to clarify the benefits and drawbacks of each biomarker in its capacity as a preventive strategy against endothelial dysfunction. This systematic review, adhering to the PRISMA Checklist, examines evidence on the role of endothelial function and oxidative stress in endothelial dysfunction, with emphasis on the biomarkers eNOS and SCUBE1. Literature searches were conducted in PubMed, ScienceDirect, and Google Scholar, and study quality was appraised based on reported biomarker values and relevance. There were 8 articles with increased eNOS and decreased ROS in several treatments, associated with prevention of endothelial dysfunction. There were 6 articles with increased SCUBE1 in several diseases (breast cancer, STEMI, hashimoto's thyroiditis, peripheral ischemic, pulmonary arterial hypertension, atherosclerosis) being markers of endothelial dysfunction. Both biomarkers can work well according to their release pathways, they can be novel biomarkers of endothelial dysfunction in various diseases. Their main role is on endothelial function, SCUBE1 controls BMPR2 signaling (angiogenic, proliferation, apoptosis) and eNOS focuses on endothelial health through NO production (vasodilation, maintaining vascular tone).
Risk Analysis of Lead (Pb) in Anadara granosa from the Waters of North Penajam Paser Saputra, Muhammad Ikhsan; Nurfadilah, Nurfadilah; Ritonga, Irwan Ramadhan
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10295

Abstract

Blood clam (Anadara granosa), a widely consumed filter-feeder in the coastal waters of Babulu Laut, East Kalimantan, has a high potential to accumulate lead (Pb) from its environment. This study aimed to determine the concentration of Pb in A. granosa and assess the potential health risks to humans associated with the consumption of A. granosa. A total of 45 A. granosa were caught by local fishermen. Each mussel was measured for length, destroyed using an acid method, and analysed using Atomic Absorption Spectrophotometry (AAS). The results of the study found that Pb concentrations ranged from 0.114 to 0.148 mg/kg dry weight. The Pb concentration in mussels was still below the maximum limit permitted by the Indonesian National Standard (SNI 7387:2009). The health risk assessment results found that the EWI value was relatively lower than the PTWI and the HQ value was lower than 1, indicating that there was not non-carcinogenic risk to consumers. Furthermore, the average cancer risk (TR) to consumers, including adults, adolescents and children, was low. Even though the Pb concentration was below the quality threshold, consumers may still need to be cautious about consuming A. granosa sourced from the coastal waters of Babulu Laut.
Morphological and Trichome Characteristics of Pyrrosia (Polypodiaceae) at Andalas University Audina, Zikkra; Mildawati, Mildawati; Mairawita, Mairawita
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.9135

Abstract

Pteridophyta, a group of vascular cryptogams, demonstrate remarkable adaptability to a wide range of environmental conditions. Within this group, the genus Pyrrosia (Polypodiaceae) is particularly notable for its unique morphological adaptations and the presence of trichomes key features in taxonomic identification and species delimitation. This study investigates the morphological characteristics and trichome structures of Pyrrosia species growing in the vicinity of Andalas University, West Sumatra, Indonesia. Field sampling was conducted through systematic exploration in the Biological Garden of the Faculty of Mathematics and Natural Sciences, Andalas University. Specimens were collected and examined using a binocular light microscope (Sinher XSZ-107) to observe the morphology of primary vegetative organs roots, rhizomes, and leaves as well as trichome characteristics on the leaf surface. Three Pyrrosia species were identified: P. angustata, P. piloselloides, and P. adnascens. Distinct morphological differences were observed among them. The sterile leaves of P. angustata are lanceolate, while those of P. piloselloides and P. adnascens are oblong. The fertile leaves also vary: lanceolate in P. angustata, elliptical in P. piloselloides, and narrowly pointed in P. adnascens. A consistent feature across all three species is the presence of stellate (star-shaped) trichomes, a characteristic of taxonomic significance within the genus. The findings of this study contribute to a better understanding of morphological variation within Pyrrosia and reinforce the importance of micromorphological traits, particularly trichomes, in supporting species identification and classification within the Polypodiaceae.
Effectiveness of Gargle with Turmeric (Curcuma longa) to Relieve Pain From Caries in Children Mutmainnah, Baiq; Herdiansyah, Diky
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.9435

Abstract

Turmeric (Curcuma longa) as a remedy for tooth decay pain contains curcumin which has anti-inflammatory and analgesic properties. The purpose of this study was to determine the effectiveness of turmeric concoctions to relieve tooth decay pain in children. This study used a quasi-experimental method with a pretest-posttest design to determine the effectiveness of turmeric concoctions to relieve tooth decay pain in children aged 10-12 years in Aiq Are hamlet. The sampling technique used purposive sampling with a sample size of 30 children. Data collection in this study used an examination sheet by directly examining the children. Data analysis used statistical tests using paired sample t-tests. The results of this study obtained changes in children who consumed turmeric concoctions to relieve tooth decay pain. Changes from 30 children with toothaches were 18 children (60%) no longer had toothaches and 12 children (40%) felt toothache after gargling with turmeric concoctions twice a day, namely in the morning and evening. Statistical tests showed that there was a significant effectiveness of gargling with turmeric concoctions twice a day in relieving tooth decay pain in children with a significance value of 0.000. Gargling with a turmeric concoction can be an alternative to relieve toothache pain in children. Research has shown that turmeric concoctions significantly contribute to toothache pain relief and oral health.
The Effect of Adding Papaya Leaf Flour (Carica Papaya L.) on The Nutritional Content of Pellet Salsabella, Marshanda Valentina; Sariri, Ahimsa Kandi
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.9509

Abstract

Feed has a crucial role in enhancing livestock growth and productivity, both in terms of nutritional composition and physical characteristics. One approach to improve feed quality is the utilization of natural ingredients rich in nutrients, such as papaya leaf flour (Carica papaya L.). This research aimed to evaluate the impact of adding papaya leaf flour on the nutritional composition of feed pellets. The study was carried out over five months at the Microbiology Laboratory, Faculty of Agriculture, Bangun Nusantara University, Sukoharjo, and at the Animal Science Laboratory, Diponegoro University. A Completely Randomized Design (CRD) was employed with three treatments and four replications: F0 (100 g of pellet without papaya leaf flour), F1 (100 g of pellet + 3% papaya leaf flour), and F2 (100 g of pellet + 6% papaya leaf flour). Observed parameters included dry matter, crude fiber, and crude protein. Data were analyzed using Analysis of Variance (ANOVA), followed by Duncan’s Multiple Range Test (DMRT) when significant differences occurred. The results demonstrated that adding papaya leaf flour significantly affected dry matter and crude fiber contents but did not significantly influence crude protein levels.
Growth and Yield of Crop Lettuce Varieties Against Differences in ABmix Concentration with NFT Hydroponic System Ramadhan, Ujang Akbar; Istiqlal, Muhammad Ridha Alfarabi; Miska, Mohammad Ega Elman
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10036

Abstract

Rapid population growth has led to greater nutritional needs and increased market demand, but this has also been accompanied by a decline in food production due to land conversion. This study aims to analyze the impact of crop variety on the growth and yield of lettuce, as well as the impact of AB mix concentration on the growth and yield of lettuce in a Nutrient Film Technique (NFT) hydroponic system. This study employs a nested design with two variables: variety and AB mix concentration. The variables studied in this research include AB mix concentration and lettuce crop variety, each with three replications. The AB mix concentrations applied were 800 ppm, 1,000 ppm, 1,200 ppm, and 1,400 ppm. The lettuce varieties used were General, Georgia, and Kanita 19. The results showed significant differences in all parameters between lettuce varieties, except for the weight of the heads. The Georgia variety showed the best suitability at a concentration of 1,000 ppm, while the General variety was suitable at a concentration of 1,200 ppm. The Georgia variety recorded the highest results in terms of leaf count and production compared to the General and Kanita 19 varieties.
Risky Sexual Behavior in Adolescents Tahriani, Ridha; Pratiwi, Baiq Bunga Citra; Pujiarohman, Pujiarohman
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10117

Abstract

Adolescence is a transitional period characterized by physical, mental, and social changes that often encourage risk taking behaviors, including sexual activity. According to the World Health Organization (WHO), adolescents are individuals aged 10–19 years. In Nusa Tenggara Barat (NTB), the prevalence of early marriage reaches 58.1%, which is higher than the national average of 34.0%, and there is a growing trend of premarital sexual activity. These behaviors can lead to unintended pregnancies, abortions, sexually transmitted infections (STIs), and psychosocial problems. This study aims to describe the phenomenon of risky sexual behavior among adolescents in NTB, identify the contributing factors, and discuss its impacts and possible preventive strategies. This research employed a literature review method by collecting, reviewing, and synthesizing scientific articles and relevant reports. The findings indicate that risky sexual behavior is influenced by parenting style, peer pressure, pornography exposure, personality traits, and limited knowledge of sexual and reproductive health, resulting in early marriage, unintended pregnancies, abortions, and an increased risk of STIs and HIV/AIDS. In conclusion, risky sexual behavior among adolescents in NTB remains a significant public health concern. Strengthening comprehensive sexual education, enhancing parental communication, and expanding access to youth friendly reproductive health services are recommended to reduce its prevalence and negative impacts.
Pathophysiology of Cognitive Dysfunction Due to Decompression Sickness in Diver Pratiwi, Baiq Bunga Citra; Suryantarini, Ni Wayan Puspa Wijaya; Satriawan, Wira; Jacob, Lusye Diana; Harahap, Herpan Syafii
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10138

Abstract

Cognitive impairment can occur due to factors that affect the structural and functional integrity of brain areas that specifically play a role in each cognitive domain. Severe cognitive impairment causes morbidity and mortality. One condition that can lead to complications such as a cognitive impairment is Decompression Sickness (DCS). DCS is an important risk for divers and manifestations of cognitive impairment need to be recognized earlier to prevent progression to a more severe stage. The literature used was collected from the Google Scholar, ScienceDirect, and PubMed databases with restrictions: publication year 2015-2025, Indonesian or English languages, and research with human subjects. The results of the literature review indicate that the pathophysiology of cognitive impairment after onset of DCS is still not clearly understood. The principles that are understood so far include the impact of nitrogen gas bubble circulation in cerebral arteries, extensive brain ischemia, white matter damage, and hyperbaric pressure administration can simultaneously improve cognitive function in patients. It can be concluded that neurological symptoms in DCS can develop into severe cognitive impairment if not recognized and treated immediately. The underlying relationship is mainly related to the impact of nitrogen gas embolism, cerebral ischemia, and extensive damage to cognitive areas of the brain.
Estimation of Aboveground Carbon Stock in Oil Palm Plantations on Tapung Peatland, Kampar, Riau Fatonah, Siti; Yulianti, Githa Adennita; Yusfiati, Yusfiati; Yulminarti, Yulminarti; Fitmawati, Fitmawati
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10223

Abstract

Climate change driven by greenhouse gas emissions highlights the need to estimate carbon stocks in various ecosystems, including peatlands increasingly converted into oil palm plantations. This study aimed to estimate aboveground carbon (AGC) stocks in oil palm plantations on Tapung peatland, Kampar, Riau. The research was conducted from February to August 2025 in Pagaruyung, Air Terbit, and Sungai Putih villages using purposive sampling with 0.05 ha circular plots. Tree biomass and necromass were estimated with allometric equations, while understory and litter were measured directly. Results showed total carbon stocks ranged from 21.43 to 24.78 ton/ha, with the highest in Air Terbit (24.78 ton/ha), followed by Pagaruyung (23.30 ton/ha), and Sungai Putih (21.43 ton/ha). Oil palm trees were the main contributors (±15–17 ton/ha), followed by necromass (6–9 ton/ha), whereas litter (0.14–0.20 ton/ha) and understory (0.03–0.05 ton/ha) contributed minimally. Variations were influenced by tree age, canal conditions, and plantation management. The study concludes that oil palm trees dominate AGC storage, while necromass provides medium-term carbon reserves. Management recommendations include maintaining oil palm stands, utilizing frond necromass, and sustainably managing litter and understory to support climate change mitigation.
Labiopalatognathoschisis: A Systematic Review of Risk Factors, Diagnosis, and Therapeutic Approaches: A Systematic Review of Risk Factors, Diagnosis, and Therapeutic Approaches Suryadharma, Kadek A.; Rahma, Baiq Suyatmin; Candra, Tania Happy; Maya, Elyana Labib; Airlangga, Arya P.; Ningsih, Nur A. Ahya; Arigi, Lalu Ahmad Gamal
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10289

Abstract

Labiopalatognatoschisis, or cleft lip with or without cleft palate, is one of the most common craniofacial congenital anomalies, associated with functional, aesthetic, and psychosocial challenges. Its management is complex, requiring early detection and multidisciplinary care. This study aimed to identify major risk factors, evaluate diagnostic approaches, and review effective management strategies. A systematic literature review was conducted using PubMed, Google Scholar, and ProQuest for articles published between 2013 and 2023 with the terms “labiopalatognatoschisis,” “cleft lip,” and “cleft palate.” Studies addressing etiology, diagnosis, or management were included, while irrelevant publications were excluded. Findings showed that genetic predisposition, family history, maternal nutritional deficiencies, teratogenic drug use, and prenatal exposure to harmful substances are key risk factors. Prenatal ultrasonography and MRI can aid diagnosis, though cleft palate detection remains limited. Management requires staged surgical repair and coordinated input from plastic surgeons, ENT specialists, orthodontists, pediatricians, and speech therapists. The review concludes that enhancing prenatal screening, integrating psychosocial support, and advancing research on diagnostic accuracy and long-term multidisciplinary outcomes are crucial for improving prognosis and quality of life.

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