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All Journal HAYATI Journal of Biosciences Bioeksperimen: Jurnal Penelitian Biologi Molecular and Cellular Biomedical Sciences (MCBS) Marine Research in Indonesia
ARTINI PANGASTUTI
Jurusan Biologi,Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas sebelas Maret
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Dentistry Earth & Planetary Sciences Education Immunology & microbiology Medicine & Pharmacology Neuroscience

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 1 
EFFECT OF POVIDONE IODINE TREATMENT ON BACTERIAL COMMUNITY ASSOCIATED WITH WHITE SHRIMP (LITOPENAEUS VANNAMEI) LARVAE Pangastuti, Artini; Suwanto, Antonius; Lestari, Yulin; Suhartono, Maggy T.
Marine Research in Indonesia Vol 34, No 2 (2009)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/mri.v34i2.471

Abstract

The efficacy of povidone iodine as a surface disinfectant was assessed in white shrimp (Litopenaeus vannamei) eggs and larvae. Eggs and nauplii were exposed to povidone iodine 20 ppm for 20 seconds. Culture-based method and Terminal Restriction Fragment Length Polymorphism (T-RFLP) were used to monitor the total number of bacteria and diversity of the bacterial community associated with shrimp eggs and larva at each developmental stage. Povidone iodine reduced the total culturable bacteria, especially Vibrio, on eggs and nauplii, as well as the total bacteria in the whole community as estimated by T-RFLP results. Povidone iodine also reduced the diversity of bacterial community and altered the evenness of phylotypes distribution suggesting that the use of povidone iodine as a surface disinfectant in shrimp aquaculture should be reconsidered.
EFFECT OF POVIDONE IODINE TREATMENT ON BACTERIAL COMMUNITY ASSOCIATED WITH WHITE SHRIMP (LITOPENAEUS VANNAMEI) LARVAE Pangastuti, Artini; Suwanto, Antonius; Lestari, Yulin; Suhartono, Maggy T.
Marine Research in Indonesia Vol 34 No 2 (2009)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/mri.v34i2.471

Abstract

The efficacy of povidone iodine as a surface disinfectant was assessed in white shrimp (Litopenaeus vannamei) eggs and larvae. Eggs and nauplii were exposed to povidone iodine 20 ppm for 20 seconds. Culture-based method and Terminal Restriction Fragment Length Polymorphism (T-RFLP) were used to monitor the total number of bacteria and diversity of the bacterial community associated with shrimp eggs and larva at each developmental stage. Povidone iodine reduced the total culturable bacteria, especially Vibrio, on eggs and nauplii, as well as the total bacteria in the whole community as estimated by T-RFLP results. Povidone iodine also reduced the diversity of bacterial community and altered the evenness of phylotypes distribution suggesting that the use of povidone iodine as a surface disinfectant in shrimp aquaculture should be reconsidered.
Bioactive Compounds from Penicillium sp. Inhibit Antiapoptotic Bcl-2, Bcl-XL and Mcl-1: An in silico Study Massardi, Adhie; Bahry, Sandy Samsul; Rahmawati, Nur Anindya; Shabirah, Carissa Azmi; Pangastuti, Artini
Molecular and Cellular Biomedical Sciences Vol 7, No 2 (2023)
Publisher : Cell and BioPharmaceutical Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21705/mcbs.v7i2.330

Abstract

Background: Antiapoptotic Bcl-2 proteins are overexpressed in cancer cells, leading to inhibition of apoptosis and the development of therapeutic resistance. Targeting only one type of antiapoptotic protein may have limited efficacy in cancer therapy. Anticancer drugs capable of inhibiting Bcl-2, Bcl-XL and Mcl-1 simultaneously are necessary to be explored. Penicillium sp. produces various bioactive compounds with anticancer, antibacterial, and antiviral activities. The aim of this research was to determine the best bioactive compound candidates for inhibiting Bcl-2, Bcl-XL, and Mcl-1 proteins.Materials and methods: Molecular docking analysis was conducted to estimate the binding affinity of Penicillium sp. bioactive compounds with Bcl-2, Bcl-XL, and Mcl-1 proteins. Compounds with the lowest binding energies were visualized using PyMol and Ligplot+ and further subjected to drug-likeness testing based on Lipinski's rule of five.Results: Bioactive compounds with the highest binding affinities were verruculogen and wortmannin. Wortmannin complied with Lipinski's rule of five. Meanwhile, verruculogen violated one out of the five rules by having a molecular weight >500 Da. Both compounds could be used as oral drugs.Conclusion: Verruculogen and wortmannin from Penicillium sp. show significant potential as oral anticancer drug candidates.Keywords: Bcl-2, Bcl-XL, Mcl-1, Penicillium sp., in silico
Isolation and Molecular Identification of Indole Acetic Acid-Producing Endophytic Bacteria from Daun Dewa Plant (Gynura divaricata (L.) DC) Setyowati, Ratna Dewi; Pangastuti, Artini; Susilowati, Ari
Bioeksperimen: Jurnal Penelitian Biologi Vol 9, No 2: September 2023
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/bioeksperimen.v9i2.23003

Abstract

Indole acetic acid (IAA) is an auxin hormone that can regulate plant growth and development. Bacteria produce IAA through L-tryptophan metabolism. The purpose of this study was to determine the ability of endophytic bacteria isolated from Daun Dewa plants to produce IAA to increase the germination and growth of tomato seedlings. Isolation of endophytic bacteria was carried out by sterilizing plant surfaces. The production of IAA is done by adding L-tryptophan precursors. The results showed that there were six endophytic bacteria, and three isolates of them have the potential to produce IAA, namely: AD1.1, UD1.1, and UD2.1. The highest IAA concentration was produced by isolate AD1.1. Growth in sprouts is significantly influenced by the concentration of IAA; the higher the concentration of IAA, the longer the shoots and the roots. Based on the 16S rRNA gene sequence, these isolates belong to the genus Klebsiella.
Arrowroot (Maranta arundinacea L.) Tuber Extract Modulated Gut Microbiota and Improved Glycemic Control in Type 2 Diabetic Mice Pangastuti, Artini; Anggraini, Putri Regita; Listyawati, Shanti; Sari, Siti Lusi Arum
HAYATI Journal of Biosciences Vol. 33 No. 2 (2026): March 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.2.371-381

Abstract

Type 2 diabetes mellitus (T2DM) is a metabolic disorder characterized by hyperglycemia and has become a global health concern. Gut microbiota alterations significantly influence diabetes onset, which can be mitigated through prebiotic intake. Arrowroot tubers (Maranta arundinacea L.) possess prebiotic potential due to their oligosaccharide and dietary fiber content. This study evaluated the effects of arrowroot tuber extract on blood glucose, glucose tolerance, and gut microbiota composition in a T2DM mouse model. Tubers were macerated in ethanol, and BALB/c mice were fed a high-fat diet for five weeks, followed by streptozotocin injection (35 mg/kg) to induce T2DM. Mice received 150 mg of arrowroot tuber extract orally for 28 days. Blood glucose levels were measured on days 0, 14, and 28, and an oral glucose tolerance test (OGTT) was performed. Cecal samples collected after four weeks underwent 16S rRNA sequencing, and data were analyzed using One-Way ANOVA (p<0.05). Treatment with arrowroot tuber extract for 28 days reduced blood glucose levels by 40.5% and improved glucose tolerance. The extract modulated gut microbiota, decreasing harmful bacteria while increasing short-chain fatty acid (SCFA)-producing genera such as Lachnospiraceae NK4A136, Ligilactobacillus, and Alistipes. These results indicate that arrowroot tuber extract can beneficially alter gut microbiota composition and ameliorate hyperglycemia, suggesting its potential as a prebiotic-based therapeutic strategy for managing T2DM.
Co-Authors Anggraini, Putri Regita Antonius Suwanto ARI SUSILOWATI Bahry, Sandy Samsul Maggy T. Suhartono Massardi, Adhie Rahmawati, Nur Anindya Ratna Dewi Setyowati Sari, Siti Lusi Arum Shabirah, Carissa Azmi Shanti Listyawati YULIN LESTARI