• Title/Summary/Keyword: phylogenetic study

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Authentication of Cervus Species by Phylogenetic analysis (Cervus 종의 Phylogenetic analysis에 의한 판별)

  • Seo, Jung-Chul;Kim, Min-Jung;Lee, Chan;Kim, Myung-Gyou;Lee, Jeong-Soo;Choi, Kang-Duk;Leem, Kang-Hyun
    • The Korea Journal of Herbology
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    • v.21 no.3
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    • pp.91-95
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    • 2006
  • Objectives : This study was performed to determine if an antler could be identified as one of the Cervus species by phylogenetic analysis, which was used to assess genetic authentication. Methods : The DNAs of an antler were extracted, amplified by PCR, and sequenced. The DNAs of an antler were identified by Phylogenetic analysis. Phylogenetic analysis was made using MEGA software (Molecular Evolutionary Genetics Analysis, 3.1) Results : By phylogenetic analysis an antler was identified as Cervus elaphus nelsoni not as Cervus elaphus sibericus. This work showed that authentication can efficiently be performed by phylogenetic analysis. Conclusion : These results suggest that phylogenetic analysis might be able to provide the authentication of Cervus species.

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Phylogenetic Characteristics of Fasciola hepatica Isolated from a Korean Patient

  • Jeong, Mi Jin;Park, Jae Kyun;Yu, Hak Sun
    • Parasites, Hosts and Diseases
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    • v.60 no.5
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    • pp.367-370
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    • 2022
  • Fascioliasis is a parasitic infection caused by liver flukes. Although several cases have been reported in Korea, phylogenetic analysis of isolates is lacking. In this study, a 66-year-old woman with right upper quadrant (RUQ) abdominal pain was diagnosed as fascioliasis involving abdominal muscle by imaging study. She received praziquantel treatment, but symptoms were not improved. Lateral movement of the abscess lesion was followed. Trematode parasite was surgically removed from the patient's rectus abdominis muscle. The fluke was identified as Fasciola hepatica based on sequence analysis of 18S rDNA. To determine the phylogenetic position of this Fasciola strain (named Korean Fasciola 1; KF1), the cox1 gene (273 bp) was analyzed and compared with the genes of 17 F. hepatica strains isolated from cows, sheep, goats, and humans from various countries. Phylogenetic analysis showed that KF1 was closely related with the isolates from China goat.

Phylogenetic study of penicillium chrysogenum based on the amino acid sequence analysis of chitin synthase

  • Park, Bum-Chan;Lee, Dong-Hun;Sook, Bae-Kyung;Park, Hee-Moon
    • Journal of Microbiology
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    • v.35 no.3
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    • pp.159-164
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    • 1997
  • The phylogenetic study of Penicilium chrysogenum was performed based on amino acid sequence comparison of chitin synthase. Phylogenetic trees were constructed with the deduced amino acid sequences of the highly conserved region of chitin synthease gene fragments amplified by PCR. The BlasP similarity searcch and the bootstrap analysis of the deduced amino acid sequences of chitin synthase from P. chrysogenum with those form other fungi showed a close evolutionary relationship of Penicillium to ascomycetous fungi, especially to genus Aspergilus. The result from bootstrap analysis of the deduced amino acid sequences of the Class II chitin synthase from ascomyceteous fungi supported the usefulness of the Class II chitin synthease for phylogenetic study of filamentous fungi.

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Molecular Phylogenetic Study of Nesiohelix samarangae Based on CO-I Gene (동양달팽이 (Nesiohelix samarangae)의 CO-I 유전자를 이용한 분자계통학적 연구)

  • Bang, In Seok;Lee, Yong Seok
    • The Korean Journal of Malacology
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    • v.30 no.4
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    • pp.391-397
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    • 2014
  • Previously, we have reported expressed sequence tags (ESTs) analysis on the land snail, Nesiohelix samarangae (Ns). Of these ESTs, we have identified four partial fragments of N. samarangae cytochrome oxydase I (NsCO-I) gene which lead to obtain an 852 bp partial cDNA. Since NsCO-I is one of the best-known molecular phylogenetic markers, we have attempted to conduct comparative in silico analysis by using the NsCO-I gene. The combined results from BLAST analyses, multiple sequence alignment and molecular phylogenetic study of NsCO-I cDNA indicate that N. samarangae has similarity to three land snails such as Elona quimperiana, Euhadra herklotsi and Euhadra idzumonis.

Evaluating phylogenetic relationships in the Lilium family using the ITS marker

  • Ghanbari, Sina;Fakheri, Barat Ali;Naghavi, Mohammad Reza;Mahdinezhad, Nafiseh
    • Journal of Plant Biotechnology
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    • v.45 no.3
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    • pp.236-241
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    • 2018
  • Lilium is a perennial bulbous plant belonging to the liriotypes genus. Our aim was to study the phylogenetic relationships of the Lilium family. Two varieties of Lilium ledebourii, 44 varieties of the gene bank, and one variety from the Tulipa family served as the out group. In order to study the diversity between lilium masses, ITS regions were used to design the marker. The results showed that the guanine base is the most abundant nucleotide. Relatively high conservation was observed in the ITS regions of the populations (0.653). Phylogenetic analysis showed that sargentiae and hybrid varieties are older than other varieties of the Lilium family. Also, the location of L. ledebourii varieties (Damash and Namin) was identified in a phylogenetic tree by using the ITS marker. Overall, our research showed that ITS molecular markers are very suitable for phylogenetic studies in the Lilium family.

Phylogenetic Relationships in Korean Elaeagnus L. Based on nrDNA ITS Sequences

  • Son, OGyeong;Yoon, Chang Young;Park, SeonJoo
    • Korean Journal of Plant Resources
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    • v.27 no.6
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    • pp.671-679
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    • 2014
  • Molecular phylogenetic analyses of Korean Elaeagnus L. were conducted using seven species, one variety, one forma and four outgroups to evaluate their relationships and phylogeny. The sequences of internal transcribed spacer regions in nuclear ribosomal DNA were employed to construct phylogenetic relationships using maximum parsimony (MP) and Bayesian analysis. Molecular phylogenetic analysis revealed that Korean Elaeagnus was a polyphyly. E. umbellata var. coreana formed a subclade with E. umbellata. Additionally, the genetic difference between E. submacrophylla and E. macrophylla was very low. Moreover, E. submacrophylla formed a branch from E. macrophylla, indicating that E. submacrophylla can be regarded as a variety. However, several populations of this species were not clustered as a single clade; therefore, further study should be conducted using other molecular markers. Although E. glabra f. oxyphylla was distinct in morphological characters of leaf shape with E. glabra. But E. glabra f. oxyphylla was formed one clade by molecular phylogenetic with E. glabra. Additionally, this study clearly demonstrated that E. pungens occurs in Korea, although it was previously reported near South Korea in Japan and China. According to the results of ITS regions analyses, it showed a resolution and to verify the relationship between interspecies of Korean Elaeagnus.

Molecular Phylogenetic study of Acila divaricata vigila based on the Partial Sequence of 16S rRNA Gene (민호두조개 (Acila divaricata vigila) 의 16S rRNA 유전자를 기초로 한 분자계통 분류학적 연구)

  • Kim, Bong-Seok;Kang, Se-Won;Jeong, Ji-Eun;Park, Jung-Yeon;Kang, Jung-Ha;Han, Yeon-Soo;Ko, Hyun-Sook;An, Chel-Min;Lee, Jun-Sang;Lee, Yong-Seok
    • The Korean Journal of Malacology
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    • v.27 no.4
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    • pp.395-400
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    • 2011
  • Phylogenetic analyses on the Phylum Mollusks has so far been conducted by many researchers in the world. However, there was no report on taxonomic analysis on Acila divaricata vigila which is belonging to Class Bivalvia, Subclass Protobranchia. In this study, we performed molecular phylogenetic analysis on Acila divaricata vigila using 16S rRNA sequence through maximum likelihood method. As a result, it is clearly divided into the legion of mollusk classification unit (when you zoom in order) and represented to support the current classification in the Phylum Mollusca belong to Class Bivalvia, Subclass Protobranchia, Subclass Pteriomorphia, Subclass Paleoheterodonta, Subclass Heterodonta and Subclass Anomalodesmacea. To our knowledge, this is the first report of molecular phylogenetic analysis on Acila divaricata vigila using 16S rRNA gene and these data suggests that 16S rRNA gene will be useful for analyzing the phylogenetic relationship of Subclass Protobranchia.

Molecular phylogenetic study of Pinus in Korea based on chloroplast DNA psbA-trnH and atpF-H sequences data (엽록체 DNA psbA-trnH와 atpF-H 염기서열에 기초한 한국산 소나무속의 분자계통학적 연구)

  • Hong, Jeong-Ki;Yang, Jong-Cheol;Lee, You-Mi;Kim, Joo-Hwan
    • Korean Journal of Plant Taxonomy
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    • v.44 no.2
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    • pp.111-118
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    • 2014
  • This study aims to define the phylogenetic relationship within Korean Pinus L. and to find the molecular markers which resolve the phylogenetic relationship in genus Pinus. cpDNA atpF-H and psbA-trnH regions were used as molecular markers. We performed the molecular phylogenetic study on 17 taxa of Pinus in Korea. The combined analyses of two gene loci showed that Korean Pinus was a monophyletic group supported by 100% BP. According to the results of separate analyses, psbA-trnH region seems to work better resolving power to clarify the phylogenetic ambiguity in Korean Pinus than those of atpF-H region. Also, we tried to checked the value and resolution of two chloroplast DNA loci on phylogenetic implications.

Studies on Biological Diversity of Firefly in Japan

  • Suzuki, Hirobumi
    • International Journal of Industrial Entomology and Biomaterials
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    • v.2 no.2
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    • pp.91-105
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    • 2001
  • Taxonomic and phylogenetic studies of firefly in Japan have been reviewed. Fourty-six lampyrid species and one rhagophthalmid are distributed in the Japanese Islands including the Ryukyus. Recently, molecular phylogenetic approaches have been employed in the systematic study of firefly using mitochondrial and luciferase genes. Based on the molecular phylogenetic trees, evolutionary process of flashing patterns related strictly to mating behavior was estimated. Furthermore, genetic diversity studies revealed geographic differentiation patterns within species, and conservation measures of firefly were proposed to protect genetic resources endemic to the localities.

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First Report of Endophytic Fungi, Aequabiliella effusa, Isolated from Twigs of Larix gmelinii var. olgensis in Korea

  • Jae-Eui Cha;Yun-Jeong Kim;Ahn-Heum Eom
    • The Korean Journal of Mycology
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    • v.52 no.1
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    • pp.13-18
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    • 2024
  • We isolated endophytic fungal strains from twigs of Larix gmelinii var. olgensis. These strains were identified based on their morphological characteristics and phylogenetic analyses including internal transcribed spacers and large subunit rDNA. We confirmed the presence of a previously unrecorded fungal species in Korea, Aequabiliella effusa. This study presents the morphological characteristics and phylogenetic analysis of A. effusa.