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RISS 인기검색어
- 검색키워드
- 저자 : Patricia L.M. Lee (검색결과 2 건)
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Kshanika Goonesekera,Patricia L.M. Lee,George van der Poorten,Gaya R. Ranawaka 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.1
Sri Lanka, together with the Western Ghats, is one of the world's biodiversity hotspots, yet little is known about the genetic diversity of the butterflies here. Within the framework of the recently reconstructed molecular phylogeny for the subtribe Mycalesina, we determined the phylogenetic relationships and biogeographic history of the five species of Mycalesis butterflies that are found in Sri Lanka. Sequences of Elongation Factor 1-α (EF1-α), Wingless (Wgl) and the barcode region of the Cytochrome c Oxidase sub unit 1 (COI) were used to confirm the identity of species, to resolve taxonomic queries and to infer the phylogenetic history of the group. Time-calibrated analysis of genetic data suggests that the Mycalesis species that occur in Sri Lanka diverged in the Miocene (5–23 million years ago). The results of phylogenetic analyses confirmed the following; the endemicity of Mycalesis rama to Sri Lanka; the subspecies classification of M. perseus typhlus and, the close sister relationship of the Sri Lankan M. patnia patnia to M. p. junonia of India. However, whether or not M. subdita of Sri Lanka and India are genetically similar remains unknown. Lastly, genetic evidence emerged suggesting that M. mineus forms a cryptic species complex in the Oriental region, and that in Sri Lanka, there may be occasional hybridization between M. mineus and M. perseus. As a case study of island colonization and diversification by the Mycalesis species, this study further extends our understanding of the Old World butterfly subtribe of Mycalesina.
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Bacillus thuringiensis 變種들로부터의 Plasmid DNA 抽出 및 分離
YUNG KEUN LEE,ROBERT M. FAUST,SEOK KWON KANG,PATRICIA E. MCCAWLEY,CAROL L. MEYERS-DOWLING 한국응용곤충학회 1985 한국응용곤충학회지 Vol.24 No.1
The use of a modified procedure for the isolation of extrachromosomal DNA of low to high molecular weight, followed by agarose gel electrophoresis of the crude lysates, provided a simple screening procedure for detecting plasmids ranging in molecular weights from approximately 1 to more than 135 megadaltons from serovars of Bacillus thuringiensis. The procedure provides for a relatively large-volume stable lysate for isolation of plasmids for restriction endonuclease mapping and cloning procedures. The method was used for screening of plasm ids in 6 differenentially effective serovars of B. thuringiensis toxic to dipteran and lepidopteran insects. Relatively large plasmid DNAs of masses above 50 megadaltons (Mdal) were isolated from all of the serovars examined using this technique. The number of extrachromosomal DNAs detected in serovars of B. thuringiensis was 8 for israelensis, 10 for kurstaki, 13 for aizawai, 2 for dendrolimus, 1 for finitimus, and 6 for yunnanensis. Smaller plasmid DNAs were isolated in four of the six serovars that ranged in mass down to approximately 2 Mdal. Bacillus thuringiensis 변종(變種)들로부터 Extrachromosomal DNA를 추출분리(抽出分離)코저 종래(從來)의 방법(方法)을 보완(補完)하여 적용(適用)한바 분자량(分子量)의 크기가 1 Megadalton에서 135 Megadalton에 이르는 plasmid들을 분리(分離)함에 보다 효과적(效果的)이었고 또 이 plasmid들을 이용(利用), 제한효소(制限酵素)에 의(依)한 유전자배열작성(遺傳子配列作成) 및 gene Cloning을 하는데 비교적(比較的) 안정(安定)된 많은 양(量)의 세포용해물(細胞溶解物)을 얻을 수 있었다. 파리목과 나비목에 각기(各其) 독성(毒性)이 다른 Bacillus thuringiensis 6개(個) 변종(變種)으로부터 plasmid들을 분리(分離)한 결과(結果) 분자량(分子量)이 큰 50 Megadalton 이상(以上)의 plasmid들이 공시(供試) 된 모든 변종(變種)으로부터 추출(抽出)되었으며 이들 plasmid의 수(數)를 보면 israelensis로부터 8개(個) kurstaki로부터 10개(個) 로부터 13개(個) dendrolimus로부터 2개(個), finitimus로부터 1개(個) 그리고 yunnanensis로부터 6개(個)가 각각(各各) 검출(檢出)되었다. 공시(供試)된 변종중(變種中) 4개(個)의 변종(變種)으로부터는 2 Megadalton 이하(以下)의 적은 plasmid들도 추출(抽出)되었다.
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