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Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences
Published by Universitas Brawijaya
ISSN : 20875517     EISSN : 25274376     DOI : -
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
The Journal of Tropical Life Science (JTLS) provides publication of full-length papers, short communication and review articles describing of new finding or theory in living system, cells and molecular level in tropical life science and related areas. The journal publishes articles that report novel findings of wide Tropical Life system phenomenon in the areas of biodiversity, agriculture, fisheries, health, husbandry, forestry and environmental technology. JTLS has 1 volume with 3 issues per year.
Arjuna Subject : -
Articles 15 Documents
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Search results for , issue "Vol. 12 No. 1 (2022)" : 15 Documents clear
Sociological Impact of COVID-19 on People with Non-Communicable Diseases (NCD) and Long COVID-19 in Young Children: Sociological Impact of COVID-19 ELENGOE, ASITA; Ibrahem, Kamoka; Allaq, Abdulmutalib; Alabed, ALABED
Journal of Tropical Life Science Vol. 12 No. 1 (2022)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.12.01.06

Abstract

The Coronavirus Disease 2019 (COVID-19) pandemic has posed enormous healthrisks worldwide. In the 21st century, a novel virus which is called SARS-CoV-2; wasthe main cause for the COVID-19 pandemic outbreak. This virus is transmitted fromperson to person through direct and indirect transmission. Some infected people develop serious symptoms, but others do not show any symptoms. Infected people withno visible symptoms could also transmit the viruses. Literature studies about theCOVID-19 pandemic (starts from Dec 2020 until June 2021) were conductedthrough PubMed, Embase, Medline and Google Scholar. In this study, we exploredthe COVID-19's impact on non-communicable diseases and young children. Scientists are currently testing several drugs to eradicate the COVID-19 outbreak. Pfizer,AstraZeneca, Sinovac and Moderna, vaccine doses administrated successfullythroughout the world. Government agencies also implemented certain rules and regulations to protect their citizens from coronavirus. Moreover, World Health Organization (WHO) also helps by providing many valuable information and precautionsto countries. Hence, this study might provide some information on how to deal withthe virus to curb the rapid spread of the SARS-CoV-2.Keywords: COVID-19, Non-communicable diseases, SARS-CoV-2, Young children
Potential of Single Garlic to Prevent Pro Inflammatory Macrophage and Inflammation in HFD Mice Putri Diyah Anggraini; Miftahul Mufinadiroh; Hendra Susanto; Betty Lukiati; Sri Rahayu Lestari
Journal of Tropical Life Science Vol. 12 No. 1 (2022)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.12.01.10

Abstract

A high-fat-enriched diet causes an increase in the level of oxidized LDL (Ox-LDL) in the blood. The presence of Ox-LDL will activate macrophages to secrete pro-inflammatory cytokines and lead to severe inflammation. Single bulb garlic has a potential anti-inflammatory effect due to of high-fat diet. This research aimed to investigate the effect of single bulb garlic extract (SBGE) on the pro-inflammatory cytokines TNF-α (CD11b+TNF-α+) and IL-1b (CD11b+IL-1b+) in the spleen, spleen weight, and TNF-α secretion in HFD mice. Twenty-four mice were divided into six groups: normal (healthy mice); HFD (HFD mice without any treatment); HFD + Simvastatin (HFD mice receiving simvastatin); HFD + SBGE 100; HFD + SBGE 200; and HFD + SBGE 400 (HFD mice receiving 100, 200, and 400 mg/kg BW of SBGE for 4 weeks). Blood serum was collected at the end of treatment, and macrophage was isolated from the spleen. The relative number of CD11b+TNF-α+ and CD11b+IL-1b+ were examined using flow cytometry. SBGE treatment significantly (p<0.05) reduced the spleen weight and the relative number of CD11b+TNF-α+ and CD11b+IL-1b+ in the spleen of HFD mice. SBGE treatment also prevents the elevation of TNF- α levels in the blood serum. The optimal dose of SBGE to diminish the relative number of CD11b+TNF-α+, CD11b+IL-1b+ in the spleen, and TNF-α in the serum was 100 mg/kg BW.
Genomic Analysis for Haloacid Dehalogenase in Bacillus megaterium WSH-002 Luqman Arif Zulkarnain; Fahrul Zaman Huyop
Journal of Tropical Life Science Vol. 12 No. 1 (2022)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.12.01.07

Abstract

Bacterial dehalogenation is one of the processes that can reduce the environmental pollutions. The attributes of Bacillus megaterium sp. that able to grow in polluted environment suggested that, its genome contains pollutant degrading genes. To date, there were no reports related to dehalogenase in Bacillus megaterium WSH-002 and how it was regulated. Therefore, the presence of environmentally important genes that can detoxify organohalogens in many microbial genomes including Bacillus megaterium WSH-002 will be investigated. The results from genome annotations of Bacillus megaterium WSH-002 has shown its potential for bioremediation due to the putative haloacid dehalogenase proteins. Only one type of haloacid dehalogenase was identified. It was classified as haloacid dehalogenase type II because of its amino acid sequence are highly identical with HAD_type_II and HAD_L2-DEX. The study concluded that, the genome of Bacillus megaterium WSH-002 contains haloacid dehalogenase genes that is useful for biodegradation of halogenated compound. In future, further investigation on the expression of the dehalogenase gene as recombinant protein and bioinformatic analysis to study dehalogenase protein structure and functions will be considered. 
New Insights on the Morphology of the Philippine Endemic Ficus pseudopalma Blanco Victor Amoroso; Cristine Aser; Ann Villalobos; Rainear Mendez; Domingo Lodevico; Gina Barbosa
Journal of Tropical Life Science Vol. 12 No. 1 (2022)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.12.01.08

Abstract

Ficus pseudopalma Blanco is an endemic Philippine plant with many medicinal uses and ethnobotanically as green vegetable or side dish. With these several economic uses of the plant, there is a need to investigate the morpho-anatomy and development of the species. Seeds of F. pseudopalma were collected in Mt. Hamiguitan Range Wildlife Sanctuary and grown in the Central Mindanao University Garden to monitor the growth and development of the species. Unique morpho-anatomical features were observed during its vegetative and reproductive development. Insights on the development of the syconia and seed formation are elucidated.
Waste Meretrix meretrix Shell as Adsorbent of Copper (Cu2+) Encik Weliyadi; Afni Nidyasari; Tri Paus Hasiholan Hutapea
Journal of Tropical Life Science Vol. 12 No. 1 (2022)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.12.01.12

Abstract

Meretrix meretrix was found to be a very abundant waste at Amal Beach, Tarakan City. M. meretrix waste can reduce heavy metals, especially heavy metals copper (Cu2+), by the adsorption process. Research has been carried out on M. meretrix as an adsorbent of heavy metals copper (Cu2+) using the adsorption method of Shacker through chemical activation using NaOH bases. The SEM results showed that M. meretrix before activation had a rough pore surface that was still closed but M. meretrix after activation had a open pore surface that is why it could be used as an adsorbent. M. meretrix contains Al (Aluminum), which can be used as an adsorbent. The adsorption results showed that M. meretrix with activation in the Freundlich isotherm had the highest ability to absorb Cu2+ as much as 9,108 mg/g compared to without activation only 0.051 mg/g. It can be concluded that M. meretrix waste can be used as an absorbent of Cu2+ heavy metals.

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