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All Journal Biodiversitas Journal of Biological Diversity
Hari Purwanto
Faculty of Biology, Universitas Gadjah Mada. Jl. Teknika Selatan, Sekip Utara, Bulaksumur, Sleman 55281,Yogyakarta, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Morphological characteristics and morphometrics of Stingless Bees (Hymenoptera: Meliponini) in Yogyakarta, Indonesia Manap Trianto; Hari Purwanto
Biodiversitas Journal of Biological Diversity Vol. 21 No. 6 (2020)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d210633

Abstract

Abstract. Trianto M, Purwanto H. 2020. Morphological characteristics and morphometrics of Stingless Bees (Hymenoptera: Meliponini) in Yogyakarta, Indonesia. Biodiversitas 21: 2619-2628. Stingless bees (Apidae: Meliponinae) are eusocial insects living together in a colony with a highly organized system. Also, these bees have morphological and morphometric characters that vary among species, islands, and environmental types. This paper described morphological characteristics and morphometric study of stingless bees from the Special Region of Yogyakarta Province, Indonesia. There were seven species of stingless bees found in the Special Region of Yogyakarta, namely Tetragonula laeviceps, T. iridipennis, T. biroi, T. sapiens, T. sarawakensis, Lepidotrigona terminata, and Heterotrigona itama. The morphometry of the stingless bees obtained in this study has varying sizes compared to the same species that have been reported elsewhere. In this study, we described the morphological and morphometric characteristics of the seven species of stingless bees in the Special Region of Yogyakarta Province, Indonesia, and presented the PCA analysis to figure out the grouping characters in order to determine its diagnostic characters.
Genome analysis of Lysinibacillus sphaericus isolate 6.2 pathogenic to Culex quinquefasciatus Say, 1823 (Diptera: Culicidae) Afiannisa Viersanova; Hari Purwanto
Biodiversitas Journal of Biological Diversity Vol. 22 No. 11 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d221160

Abstract

Abstract. Viersanova A, Purwanto H. 2021. Genome analysis of Lysinibacillus sphaericus isolate 6.2 pathogenic to Culex quinquefasciatus Say, 1823 (Diptera: Culicidae). Biodiversitas 22: 5211-5222. Lysinibacillus sphaericus is an entomopathogenic bacteria that is specific to vector mosquitoes, especially Culex spp., and Anopheles spp., so it has been widely used as a bioinsecticide. L. sphaericus has a wide variation of toxicity efficiencies, which have led to continuous exploration of new isolates with higher toxicity and a new toxin to deal with resistance problems. This study aimed to identify the genomic characteristics and toxin characteristics of isolate 6.2 based on whole genome analysis and analyze the identification of isolate 6.2. Isolate 6.2 was previously obtained from rhizosphere in Yogyakarta. To analyze the genome and toxins, the NGS technique was used and then the analysis was carried out using a couple of freely available bioinformatics tools. Molecular identification was carried out with the 16SrRNA gene and the relationship was analyzed by reconstructing the phylogenetic tree using Neighbours-Joining. The genomic analysis of isolate 6.2 showed good results with G+C content and genome size that matched the reference genome of L. sphaericus. The result of the 16SrRNA gene blasting showed that the closest related gene of isolate 6.2 is L. fusiformis (NR_042072.1). However, the reconstructed phylogenetic tree did not show the formation of clusters according to the species. Toxin analysis indicates that isolate 6.2 has Mtx, s-layer protein, hemolysin, and chitin-binding protein genes. All of which are known to be associated with the toxicity of L. sphaericus to binary toxin resistant population of Culex quinquefasciatus.
Co-Authors Afiannisa Viersanova Manap Trianto