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INDONESIA
HAYATI Journal of Biosciences
Published by Institut Pertanian Bogor
ISSN : 19783019     EISSN : 20864094     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences
HAYATI Journal of Biosciences (HAYATI J Biosci) publishes articles and short communication in tropical bioscience fields such as development, biotechnology, biodiversity and environmental issues. HAYATI J Biosci covers wide range of all life forms topics including virus, microbes, fungi, plants, animal and human. HAYATI J Biosci has been also indexed/registered in Crossref, DOAJ, CABI, EBSCO, Agricola and ProQuest.
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Articles 20 Documents
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Search results for , issue "Vol. 31 No. 5 (2024): September 2024" : 20 Documents clear
Pharmacognostic Evaluation and Antioxidant Activities of Tetracera indica (Christm. and Panz.) Merr Ladeska, Vera; Elya, Berna; Hanafi, Muhammad; Kusmardi; Rohmat, Siti Saudah
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.836-853

Abstract

The community uses Tetracera indica (Christm. and Panz.) Merr extensively as a traditional medicine. This plant was the main source of raw materials for herbal medicinal products, so identification was needed to ensure its authenticity through pharmacognosy evaluation. The present study evaluated macros- and microscopic characteristics, performed phytochemical analysis, and performed total phenolic (TPC) and flavonoid content (TFC) analysis. The organoleptic and macroscopic studies were carried out through sensory organs. The microscopic characteristics of leaf powder and twigs identification using chloral hydrate and distilled water. Numerous chemical reagents, TLC methods and LC-MS/MS analysis were employed in the phytochemical study. Research employed DPPH and FRAP tests to assess the antioxidant activity. Furthermore, quercetin was used as a marker of antioxidant activity. The morphological marker of the leaf T. indica showed the surface of the leaves is rough bristles, shape elliptic-oblong, margin serratus and phyllotaxy alternate. The stem is lignosus, and the rough stem surface is slightly peeling. The lower leaf surface had paracytic stomata and uniseriate trichomes with tapering ends. Raphide crystals and cork cells were detected in the powder analysis of the twigs. The ethyl acetate extract's twig had the highest TPC and TFC values. Ethyl acetate extract from Tetracera indica twigs has potent antioxidant activity with IC50 = 99.84±0.011 µg/ml (DPPH) and 4296.67±0.024 mol/g (FRAP). The study showed that Tetracera indica contains possible active components that could be developed as novel antioxidants. The result of this study might provide early verification and identification to obtain quality medicinal raw materials.
Histological and Molecular Evaluation of the Antiproliferative Activity of Allium ampeloprasum Water Extract Against Oral Mucosa Cell Line (Gingival Cancer) Alwan, Maryam Hameed; Hameed, Zainab; Mandala, Satria
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.829-835

Abstract

Gingival carcinoma is a malignant neoplasm affecting the oral mucosa and is associated with significant morbidity and mortality. Allium ampeloprasum var. porrum water extracts have gotten a lot of attention because of their bioactive components, such as polyphenols, flavonoids, and alkaloids, which have a variety of pharmacological activities, including antiproliferative actions. This study aimed to evaluate the histological and molecular effects of Allium ampeloprasum (leek) water extract on the proliferation of the murine gingival cancer cell line. Histological evaluation was conducted to examine morphological changes induced by extract treatment. Molecular mechanisms underlying the observed histological changes were investigated using real-time polymerase chain reaction (PCR). Expression levels of key genes associated with cell proliferation and apoptosis were assessed. Histological findings revealed a dose-dependent decrease (100, 50, 25, 12.5, and 6.25 µg/ml) in cell density and altered cell shape in the treated cell line. Also, the percentage of inhibition for the oral mucosa cell line was high, with a significant P of 0.006, in the treated group compared to the control group. Additionally, water extract has an IC50 value of 61 g/ml. The P53 fold increment of gene expression is 0.6, which means the expression level in the experimental condition is 60% higher than the control. This study provides evidence for the potential antiproliferative activity of Allium ampeloprasum water extract on the oral mucosa cell line. The observed histological changes, coupled with the modulation of key genes involved in proliferation and apoptosis, suggest that leek water extract may have therapeutic implications in managing oral cancer.
Population Dynamics of Mangrove Clam Pegophysema philippiana (Reeve, 1850) in Davao Region, Southeastern Mindanao, Philippines Bersaldo, Michael Jeriel I.; Llameg, Marlyn B.; Avenido, Pedro M.; Pacyao, John Paul R.; Marquez, Jessa May D.
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.964-979

Abstract

Mangrove clam is the most sought-after bivalve in the Philippines due to its taste, size, and nutrition. Due to its economic importance, this paper aims to determine the population dynamics of mangrove clam P. philippiana harvested in gleaning sites in the Davao region using the FAO ICLARM Stock Assessment Tool (FISAT II). A total of 2493 clams collected from December 2018-December 2020 with sizes ranging from 14-84 mm SL and 2.2-178.6 g were classified according to size classes with 5 mm intervals. The length-weight relationship was computed and showed negative allometry (a = 0.002, b = 2.6205, R2 = 0.89). The estimated growth parameters using ELEFAN I was L∞ = 98.64 mm, K = 1.33 year-1, t0 = -1.07. Length converted catch curve routine estimated Z = 10.27year-1, M = 1.52 year-1, F = 8.75 year-1, E = 0.85, and backward extrapolation generated Lc50 = 34.83 mm SL which is below Lm = 65.76 mm SL. Recruitment patterns were highest during July and August 2020, and VPA showed a high F at 60 mm SL. Beverton and Holt Y/R analysis showed E0.5 = 0.328 and Emax = 0.551, yield isopleths derived from plotted Lc50/L∞ = 0.353 and E = 0.85 values were within quadrant D. The result revealed that Lm>Lc50 implies that mangrove clams gleaned in the area were small and immature. Moreover, F>Fopt and E>Emax and E>E0.5 suggest that mangrove clam fishery in the region was heavily exploited. The study concluded that the mangrove clam Pegophysema philippiana was overexploited and that a management strategy was needed in the Davao Region, Philippines.
Variation of Musa spp. in West Kalimantan, Indonesia, Based on rbcL Chloroplast DNA Sunandar, Ari; Fajri, Hayatul; Qurbaniah, Mahwar
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.942-950

Abstract

West Kalimantan is home to Musa spp. conservation and genetic assessment of wild banana relatives are important for future breeding purposes. The present study aims to evaluate the genetic relationship of Musa spp. in West Kalimantan by analyzing the rbcL chloroplast DNA using phylogenetic analysis. The methods in this study were sampling, DNA extraction, PCR of rbcL fragment, and data analysis. The specific primer was used to amplify the rbcL chloroplast DNA of ten accessions of Musa spp. in West Kalimantan. The results showed that the area of the rbcL region of Musa spp. in this study was estimated at 587-591 bp. It showed high variability with a conservation level A+T content of 56.95%. The rbcL sequences of Musa spp. have polymorphic sites on 13 numbers of nucleotides. The phylogenetic analysis with an ML algorithm of 35 Musa spp. from West Kalimantan and GenBank data was successfully divided into 4 main clades, and the bootstrap value was 80-81%. This study is expected beneficial for taxonomic, conservation, and banana breeding efforts.
Genetic Relationship and the Putative Occurrence of A Species Complex Within the Indonesian Calotes (Daudin, 1802) (Squamata, Agamidae) Genus Based on COI Gene Sequences Maulana, Muhammad Indra; Pakpahan, Suhendra; Darmawan, Andy; Ariyanti, Yanti
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.1019-1029

Abstract

The Calotes genus presents a challenge due to the complexity of its species. However, research on the cryptic species complex within the Indonesian Calotes genus is still lacking. This study aims to determine the extent of genetic relationships and assess the potential existence of a species complex within the Indonesian genus Calotes (Daudin, 1802) (Squamata, Agamidae) using the partial Cytochrome c Oxidase Subunit 1 (COI) gene sequence as a molecular marker. Samples of the Indonesian Calotes genus in this study were collected from South Lampung (Lampung), Bogor (West Java), and Langkat (North Sumatra). By aligning 582 bp sequence similarities with reference sequences in GenBank, we confirmed that seven out of eight samples analyzed belonged to Calotes vultuosus, while one sample was identified as Calotes versicolor. The identity values ranged from 96 to 100%. The C. vultuosus samples in this study displayed lower genetic distances, ranging from 0 to 3%, with the reference C. vultuosus sequence from Indonesia compared to the reference sequence from India, which ranged from 6 to 9%. Phylogenetic tree reconstruction, utilizing both maximum likelihood with IQ-Tree and Bayesian Inference with BEAST methods, further supports these findings. It reveals distinct groupings between C. vultuosus samples from Indonesia and India. These results suggest the potential occurrence of a species complex within the Indonesian genus Calotes. Furthermore, the inclusion of eight COI gene sequences from two Calotes species in the GenBank database has the potential to confirm the existence of previously undocumented species in Indonesia.
The In Vitro and In Silico Study of α-glucosidase Inhibition by Kombucha Derived from Syzygium polyanthum (Wight) Walp. Leaves Yuningtyas, Sitaresmi; Alfarabi, Muhammad; Lestari, Yunita; Noviardi, Harry
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.951-963

Abstract

Kombucha is a fermented tea drink using a symbiotic culture of bacteria and yeast. This drink has been widely used to maintain blood sugar levels. Meanwhile, leaf boiled water of Syzygium polyanthum (Wight) Walp. has been used as an alternative medicine for diabetes mellitus in Indonesia. If this herb is made into kombucha, it may have higher antihyperglycemic activity than kombucha from tea leaves. However, there are no scientific reports of antihyperglycemic activity from S. polyanthum leaf kombucha by inhibiting alpha-glucosidase. This study aims to determine the activity and kinetics inhibition of S. polyanthum leaves kombucha against α-glucosidase. Samples were prepared at varying concentrations (12.5, 25, 37.5, 50 g/L), while phytochemical components in the products were identified, and the inhibitory activity as well as kinetics were comprehensively analyzed. In silico evaluations were conducted to further explore the inhibitory activity. The results showed that the products contained secondary metabolites such as flavonoids, saponins, and tannins. The inhibitory activity against α-glucosidase ranged from 81.05 to 89.41%. The inhibition mechanism was identified as uncompetitive, with a Michaelis-Menten constant (KM) of 0.1357 mM and a vmax value of 27.7008 U/ml minute. Several metabolites showed promising inhibition potential due to their strong binding interactions with α-glucosidase, including hydrogen bonding (H-bond), hydrophobic interactions, van der Waals forces, and electrostatic forces. Additionally, two metabolites, farnesol and α-pinene, were found to interact with other human proteins. These observations showed the potential of S. polyanthum leaves kombucha as a health-promoting beverage that might aid blood sugar control in diabetic individuals.
The Effect of Gel Secretome Hypoxia Mesenchymal Stem Cells to Increase P38 and VEGF Expression in Rats’ Diabetic Wounds Hasannuri, Tarrayuana Rhamadia; Syamsunarno, Mas Rizky A.A; Putra, Agung
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.988-995

Abstract

Mesenchymal stem cells (MSCs) under hypoxic conditions can produce secretomes containing growth factors such as vascular endothelial growth factor (VEGF), accelerating angiogenesis in wound healing disorders in diabetic ulcers. This study aimed to prove the influence of gel secretome MSC hypoxia administration on increasing VEGF and P38 gene expression in rats’ diabetic wounds. An in vivo study was conducted on 25 male Rattus norvegicus, randomly divided into four groups: base gel as a negative control, Gentamycin as a positive control, and gel secretome at a dose of 100 µL, and 200 µL/kg body weight. The differences in P38 and VEGF gene expression were tested using quantitative real-time polymerase chain reaction (qRT-PCR). Wound closure appeared to be fastest in treatment groups at a dose of 100 µL/kg body weight, followed by a dose of 200 µL/kg body weight, followed by Gentamycin and base gel group. The wound closure rate percentage was significantly different in the intervention group compared to the control group (p = 0.000). The results showed a significant difference in P38 and VEGF gene expression between the treatment and control groups (p = 0.000). This study demonstrates the administration of gel secretome hypoxia mesenchymal stem cells increases P38 and VEGF expression in rats’ diabetic wounds.
Expression of Immunoglobulin M (IgM) and Immunoglobulin G (IgG) in Normal Wistar Rat Post-Cheral® Administration Asyhari, Firda Nuri; Zulfatim, Heni Sukma; Putri, Nenis Try Melani; Dliyauddin, Moh; Jamil, Ahmad Shobrun; Soewondo, Aris; Natsir, Muhammad Halim; Ibrahim, Mansur; Rahayu, Sri; Djati, Muhammad Sasmito; Rifa’i, Muhaimin
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.1030-1036

Abstract

Maintaining immunoglobulin levels in the body is important to protect the body from exposure to pathogens. One effort can be made by consuming herbs containing immunomodulatory compounds, such as Cheral®, which includes a combination of herbs Phyllanthus niruri and Curcuma longa. This research aims to determine the expression of immunoglobulin M (IgM) and immunoglobulin G (IgG) following the administration of Cheral® to Wistar rats. The study was conducted in vivo, utilizing 24 healthy male Wistar rats for a 90-day treatment period. The research was divided into four treatment groups, including a control group and three dosage groups: Dose 1 (156.25 mg/kg BW), Dose 2 (312.5 mg/kg BW), and Dose 3 (468.75 mg/kg BW). IgM and IgG were isolated from the spleen and analyzed using flow cytometry. Flow cytometry data were analyzed using SPSS with a one-way ANOVA and post hoc test (p-value <0.05). The analysis showed that the relative number of IgM-producing cells in the control group was significantly higher than in the treatment groups, with a difference of 44.40%. In contrast, the relative number of IgG-producing cells in Dose 3 was significantly lower than all other treatment groups, showing a decrease of 29.21%. Overall, the expression of IgG and IgM did not differ substantially across all treatments. The lower IgG and IgM profiles compared to the control group indicate Cheral®'s ability to prevent infections and maintain the immune system of the rats throughout the treatment period.
In Silico Study, Design, and Expression of an Intranasal Dual Chimeric Vaccine for Indonesian-Based Norovirus GII-2 and Hepatitis B Giri-Rachman, Ernawati Arifin; Tan, Marselina Irasonia; Novia Syari Intan; Putri Ayu Fajar; Wojciechowska, Gladys Emmanuella Putri; Hertadi, Rukman; Retnoningrum, Debbie Soefie
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.1007-1018

Abstract

Hepatitis B virus (HBV) remains an important healthcare challenge, leading to liver diseases like cirrhosis and cancer. In response, we created a prophylactic and therapeutic HBV vaccine by integrating HBcAg and HBsAg from HBV genotype B into Norovirus (NoV) GII.2 P domain (PdomGII.2-HBV) for enhanced intranasal delivery. This vaccine also aimed to simultaneously prevent NoV infection, which causes gastroenteritis. Since the selected HBV epitopes have undergone extensive research and are tailored to the Indonesian population, this study focused on identifying NoV epitopes and assessing T cell epitopes coverage of the PdomGII.2-HBV for the Indonesian population. Following that, we expressed the PdomGII.2-HBV protein using Escherichia coli BL21(DE3) and employed a gentle solubilization technique for protein purification. Our in-silico analysis identified two B cell epitopes, along with 15 CD4+T cell epitopes and 35 CD8+T cell epitopes within the GII.2 P domain. These T cell epitopes cover 100% of the Javanese-Sundanese population's HLA allele variations, which constituted the largest demographic group in Indonesia. Subsequently, we successfully purified the presumed PdomGII.2-HBV protein, revealing a molecular weight of 39.5 kDa. Following the successful expression and purification of the presumed PdomGII.2-HBV protein, it is evident that this vaccine design has significant potential, warranting further study.
Endoparasites of Wild Javan Gibbon (Hylobates moloch) At Gunung Halimun Salak National Park, Indonesia Malintan, Rizka; Supiyani, Atin; Oktaviani, Rahayu; Prasetio, Yogi
HAYATI Journal of Biosciences Vol. 31 No. 5 (2024): September 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.5.929-941

Abstract

Infections of endoparasites in primates in natural habitats are highly prevalent and can cause disease, reduce health quality, and disrupt their life. This study investigated endoparasites prevalence value in the endangered Javan gibbon (Hylobates moloch) in Citalahab Forest, Gunung Halimun Salak National Park, Indonesia, from June to August 2022 by collected fecal samples (N = 10) and analyzed it using floatation methods. As a result, we found five genera of nematodes Trichuris trichiura (10% egg worm prevalence, Oesophagostomum spp. (50%), Trichostrongylus spp. (60%), Ancylostoma spp. (80%), and Strongyloides spp. (100%). The prevalence value of the worms in the larvae stage of Trichostrongylus spp. 20% and Strongyloides spp. 70%. Nematode infection status successively is Strongyloides spp., which is, frequently; Trichostrongylus spp. and Ancylostoma spp., which is, often; Oesophagostomum spp. and Trichuris trichiura which is, occasionally. Four species of nematode were found in both ages, and only Trichuris trichiura was found in one adolescent individual. The threat posed by this parasite deserves attention; further research is needed to fill the gap in our knowledge of their pathogenicity and transmission in Javan gibbon.

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