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Phylogenetic, phylogeographic and divergence time analysis of Anopheles subpictus species complex using ITS2 and COI sequences

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Asian Pacific Journal of Tropical Medicine 2024年第5期17卷 214-225,I0004-I0038页

作者： Lihini Sandaleka Muthukumarana Methsala Madurangi Wedage Samanthika Rathnayake nissanka kolitha de silva department of Zoology Faculty of Applied SciencesUniversity of Sri JayewardenepuraGangodawilaNugegodaSri Lanka Genetics and Molecular Biology Unit Faculty of Applied SciencesUniversity of Sri JayewardenepuraGangodawilaNugegodaSri Lanka Sri Lanka Institute of Biotechnology PitipanaHomagamaSri Lanka

Objective:To address the phylogenetic and phylogeographic relationship between different lineages of Anopheles(An.)subpictus species complex in most parts of the Asian continent by maximum utilization of Internal Transcriber Spacer 2(ITS2)and cytochrome C oxidase I(COI)sequences deposited at the ***:Seventy-five ITS2,210 COI and 26 concatenated sequences available in the NCBI database were *** analysis was performed using Bayesian likelihood trees,whereas median-joining haplotype networks and time-scale divergence trees were generated for phylogeographic *** diversity indices and genetic differentiation were also ***:Two genetically divergent molecular forms of *** species complex corresponding to sibling species A and B are *** A evolved around 37-82 million years ago in Sri Lanka,India,and the Netherlands,and species B evolved around 22-79 million years ago in Sri Lanka,India,and ***,Thailand,and Cambodia have two molecular forms:one is phylogenetically similar to species *** forms differ from species A and B and evolved recently in the above mentioned countries,Indonesia and the *** subdivision among Sri Lanka,India,and the Netherlands is almost absent.A substantial genetic differentiation was obtained for some populations due to isolation by large geographical *** diversity indices reveal the presence of a long-established stable mosquito population,at mutation-drift equilibrium,regardless of population ***:*** species complex consists of more than two genetically divergent molecular *** A is highly divergent from the *** Lanka and India contain only species A and B.

关键词： Molecular systematics ITS2 COI DNA sequences Phylogeny Phylogeography

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<i>In Silico</i>Pharmacological Analysis of a Potent Anti-Hepatoma Compound of Mushroom Origin and Emerging Role as an Adjuvant Drug Lead

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Food and Nutrition Sciences 2019年第11期10卷 1313-1333页

作者： Muthuthanthriege Dilusha Maduranganie Fernando Achyut Adhikari Nambukara Helambage Kanishka Sithira Senathilake Egodage Dilip de silva Chandrika Malkanthi Nanayakkara Ravindra Lakshman Chundananda Wijesundera Preethi Soysa Babaranda Gammacharige Don nissanka kolitha de silva Centre for Biotechnology Department of Zoology Faculty of Applied Sciences University of Sri Jayewardenepura Nugegoda Sri Lanka Central department of Chemistry Tribhuvan University Kritipur Nepal Institute of Biochemistry Molecular Biology and Biotechnology University of Colombo Colombo Sri Lanka department of Plant Sciences Faculty of Science University of Colombo Colombo Sri Lanka department of Biochemistry and Molecular Biology Faculty of Medicine University of Colombo Colombo Sri Lanka

Mushrooms are well-known to possess a continuum of anticancer metabolites that are vital in the development of anticancer adjuvant drug leads based on natural products. Owing to the fact that conventional cancer therapeutic methods were failed to lessen mortality caused by cancer to the estimated level with occurrence of adverse side effects, anticancer agents isolated from natural mushroom sources unarguably make an experimental research area worth mass focus today. The current study was targeted on in vitro cytotoxicity and in silico predictive pharmacological analysis of a flavonoid compound isolated from Fulvifomes fastuosus mushroom. Targeted compound was isolated from the mushroom using different chromatographic methods and identified by NMR spectrometry and mass spectrometry. Cytotoxicity experiments were carried out using MTT assay and apoptotic cells were identified by ethidium bromide/acridine orange staining. The SwissADME tool, BOILED-Egg construction model and Swiss target protein prediction software have been used to perform in silico predictive pharmacological analysis. The isolated compound has been identified as 2-(3,4-dihydroxyphenyl)-6-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-5'-methylspiro[2H-furo[3,2-c]pyran-3,2'-furan]-3',4-dione by spectrometric methods. The result of MTT assay showed that 2-(3,4-dihydroxyphenyl)-6-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-5'-methylspiro[2H-furo[3,2-c]pyran-3,2'-furan]-3',4-dione has potent anticancer activity for hepatoma against Hep-G2 cell line (IC50 = 20.8 μg/ml) being less toxic to normal CC-1 epithelial cells (IC50 = 167.00 μM). The cells treated with compound ex-hibited apoptotic features such as cellular shrinkage, nuclear fragmentation and condensed cytoplasm. In summary, 2-(3,4-dihydroxyphenyl)-6-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-5'-methylspiro[2H-furo[3,2-c]pyran-3,2'-furan]-3',4-dione has shown potent anticancer properties against hepatoma with less cytotoxicity effect on normal cells. Furthermore, in si

关键词： Anti-Hepatoma Compound Fulvifomes fastuosus In Silico Pharmacological Analysis Drug Lead

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