• Title/Summary/Keyword: phenograms

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Analysis of Genetic Relationships in Hypericum erectum Thunb. by RAPD (RAPD 방법을 이용한 고추나물의 유연관계분석)

  • Kim, Sun-Hee;Kim, Eung-Sik;Kim, Sung-Ho;Ahn, Jun-Cheul;Hwang, Baik
    • Korean Journal of Medicinal Crop Science
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    • v.13 no.4
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    • pp.141-145
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    • 2005
  • The genetic relationships of Hypericum erectum, H. ascyron and H. perforatum Thunb. by RAPD using total 46 primers were analysed 30 primers among primers tested showed the amplification band in all. The amplified DNA fragment ranged from 0.25 to 6.6 kb in size. The 411 bands (34.4%) among 1194 bands derived from 30 primers were polymorphic, and 13.7 bands per primer were observed. The phenograms for six analyzed individuals by RAPD markers were not matched well with those of the result by morphological characters. They were clustered monophyletic at the similarity coefficient value ranged from 0.24 to 0.96.

Chemotaxonomy on the Sedum Plants in Korea (한국산(韓國産) sedum속(屬) 식물(植物)의 화학적(化學的) 분류(分類))

  • Ko, Kyeong-Soo;Shin, Kwan-Seok;Kim, Chang-Min
    • Korean Journal of Pharmacognosy
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    • v.14 no.4
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    • pp.131-136
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    • 1983
  • The composition of the phenolic compounds of 14 species, 2 varieties and I taxon of the Sedum plant in Korea were studied to identify their inter-specific relationships and their taxonomical position. The phenograms and contour diagrams obtained from the HPLC of EtOAc soluble fraction of these plants were classified into 7 alliances according to their chemical patterns. These chemical patterns agreed with Satake's classification except for Sedum aizoon. These plants were subdivided into 5 alliances in the Sedum section and 2 alliances in the Hylotelephium section. I type of the Sedum spectabile showed a difference in the number of stamens, it could be trated as another category above variety according to this result.

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Genome Research on Peach and Pear

  • Hayashi, Tateki;Yamamoto, Toshiya
    • Journal of Plant Biotechnology
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    • v.4 no.2
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    • pp.45-52
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    • 2002
  • A lot of SSRs (simple sequence repeats) in peach and pear from enriched genomic libraries and in peach from a cDNA library were developed. These SSRs were applied to other related species, giving phenograms of 52 Prunes and 60 pear accessions. Apple SSRs could also be successfully used in Pyrus spp. Thirteen morphological traits were characterized on the basis of the linkage map obtained from an $F_2$ population of peach. This map was compiled with those morphological markers and 83 DNA markers, including SSR markers used as anchor loci, to compare different peach maps. Molecular markers tightly linked to new root-knot nematode resistance genes were also found. A linkage map including disease related genes, pear scab resistance and black spot susceptibility, in the Japanese pear Kinchaku were constructed using 118 RAPD markers. Another linkage map, of the European pear Bartlett, was also constructed with 226 markers, including 49 SSRs from pear, apple, peach and cherry. Maps of other Japanese pear cultivars, i.e., Kousui and Housui, were also constructed. These maps were the first results of pear species.

Chemotaxonomic Studies on the Citrus Plants cultivated in Je Ju Island (제주도산 감귤속 식물의 성분 분류학적 연구)

  • 고명자
    • Journal of Plant Biology
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    • v.25 no.1
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    • pp.9-19
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    • 1982
  • A thin-layer chromatographic study was made of the chloroform-soluble and flavonoid fractions from the fruit peels of 16 species, 2 varieties and 5 formas of the Citrus plants cultivated in Je Ju Island for their interspecific relatinships. In addition, 3 hybrids and 9 native plants were also studied for their taxonomic position. Three phenograms were developed from these chromatographic data after cluster analysis via the unweighted paired group method using rithmatic average by Sneath and Sokal. These plants were grouped into 5 alliences based on the phenogram obtained from the chloroform-soluble fracitons, which were nearly identical to the subgenus rank by Tanaka, and rutinoside and neohesperidoside groups by Horowitz. Those from the flavonoid and methanol-soluble fractions were not able to evaluate the morphological classification except for a few cases.

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A Numerical Taxonomic Study of Calystegia in Korea by the Cluster Analysis and Principal Component Analysis (류집분석과 주성분분석에 의한 한국산 메꽃과의 수량분류학적 연구)

  • Kim, Yun Shik
    • Journal of Plant Biology
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    • v.27 no.1
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    • pp.33-41
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    • 1984
  • The relationships and character variations on 5 taxa of Calystegia were examined by sluster analysis and principal component analysis. Thirteen Calystegia population samples from the middle part of Korea were observed. Although minor differences were noted, essentially similar results were obtained from the phenograms by UPGMA, UPGMC and Ward's clustering methods, and these results were in accordance with those obtained from the ordination plots by principal component analysis. C. soldanella is distantly connected with the other taxa mainly because of its morphologically different leaf organs. Based on the difference on the first principal component, C. hederacae is kept apart from the rest 3 taxa. In the relationships among C. japonica, C. sepium var. americana and C. davurica, mivor differences were obtained from the 3 clustering methods. As to the character variations among different populations within a taxon, they are slight in C. soldanella and C. sepium var. americana, but remarkable in C. hederacae and C. davurica.

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Genome Research on Peach and Pear

  • Hayashi Tateki;Yamamoto Toshiya
    • Proceedings of the Korean Society of Plant Biotechnology Conference
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    • 2002.04a
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    • pp.101-109
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    • 2002
  • A lot of SSRs (simple sequence repeats) in peach and pear from enriched genomic libraries and in peach from a cDNA library were developed. These SSRs were applied to other related species, giving phenograms of 52 Prunus and 60 pear accessions. Apple SSRs could also be successfully used in Pyrus spp. Thirteen morphological traits were characterized on the basis of the linkage map obtained from an $F_2$ population of peach. This map was compiled with those morphological markers and 83 DNA markers, including SSR markers used as anchor loci, to compare different peach maps. Molecular markers tightly linked to new root-knot nematode resistance genes were also found. A linkage map including disease-related genes, pear scab resistance and black spot susceptibility, in the Japanese pear Kinchaku were constructed using 118 RAPD markers. Another linkage map, of the European pear Bartlett, was also constructed with 226 markers, including 49 SSRs from pear, apple, peach and chewy. Maps of other Japanese pear cultivars, i.e., Kousui and Housui, were also constructed. These maps were the first results of pear species.

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Genome Research on Peach and Pear

  • Hayashi, Tateki;Yamamoto, Toshiya
    • Proceedings of the Korean Society of Plant Biotechnology Conference
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    • 2002.04b
    • /
    • pp.101-109
    • /
    • 2002
  • A lot of SSRs (simple sequence repeats) in peach and pear from enriched genomic libraries and in peach from a cDHA library were developed. These SSRs were applied to other related species, giving phenograms of 52 Prunus and 60 pear accessions. Apple SSRs could also be successfully used in Pyrus spp. Thirteen morphological traits were characterized on the basis of the linkage map obtained from an Fa population of peach. This map was compiled with those morphological markers and 83 DHA markers, including SSR markers used as anchor loci, to compare different peach maps. Molecular markers tightly linked to new root-knot nematode resistance genes were also found. A linkage map including disease-related genes, pear scab resistance and black spot susceptibility, in the Japanese pear Kinchaku were constructed using 118 RAPD markers. Another linkage map, of the European pear Bartlett, was also constructed with 226 markers, including 49 SSRs from pear, apple, peach and cherry. Maps of other Japanese pear cultivars, i.e., Kousui and Housui, were also constructed. These maps were the first results of pear species.

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Intraspecific Genetic Relation of Wasabia japonica Matsum. Based on RAPD Analysis (RAPD를 이용한 고추냉이의 유연관계 분석)

  • Heo, Su-Jeong;Kwon, Soon-Bae;Byeon, Hak-Soo;Seo, Jeong-Sik;Yoo, Ki-Oug
    • Korean Journal of Medicinal Crop Science
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    • v.12 no.1
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    • pp.31-35
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    • 2004
  • The genetic variation and intraspecific relationships between 10 individuals of seven cultivars and one Ulleungdo native of Wasabia japonica were investigated using RAPD (Randomly Amplified Polymorphic DNA) analysis. The 21 primers out of 50 random primers were amplified for all tested plants. The 68 (47.2%) among 144 bands derived from 21 primers showed polymorphism, and 3.2 bands per primer were observed. Number of bands per primer was ranged from 2 to 13, and average numbers were 6.8. The phenograms for 11 analyzed individuals by RAPD markers were not matched well with those of the result by morphological characters since they were clustered monophyletic at the similarity coefficient value ranged from 0.81 to 0.96. The Ulleungdo native individual was clustered sister to Daruma, Simanesairal, Sawa, and Hujidaruma cultivars. The RAPD markers were not useful to evaluate the intraspecific variations in Wasabia japonica cultivars, therefore need to more specific molecular phylogenetic characters such as AFLP technology and gene sequence of nuclear and chloroplast DNA.

Quantitative Taxonomic Studies on the Group of Salix pseudo-lasiogyne Growing in Korea (한국산(韓國産) 능수버드나무류(類)의 수량적(数量的) 분류(分類)에 관(關)한 연구(硏究))

  • Kim, Eun Shik;Lee, Tchang Bok
    • Journal of Korean Society of Forest Science
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    • v.59 no.1
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    • pp.1-8
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    • 1983
  • Classification on the group of Salix pseudo-lasiogyne growing in Korea, was conducted using cluster analysis, factor analysis, and principal component analysis. Thirty-six characters(Table 2) of the 5 basis species were measured. The phenograms and ordination plot showing the relationships between the species were made by applying the cluster analysis and principal component analysis. Five important factors, such as leaf blade width, number of right serration, angle of leaf apex, number of flowers in an ament, and the ratio of petiole length to width, were inferred from the rotated factor matrix, and their state values were presented in polygonal diagram. Salix pseduo-lasiogyne and S. babylonica were similarly correlated and linked in one group, S. dependens and S. matsudana for tortuosa were secondarily linked in the other group. S. koreensis appeared as an aliemated species from each of the two groups.

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Evaluation of leaf morphology for distinguishing Prunus (Rosaceae) from Jeju, Korea (제주도산 벚나무속 잎 형질의 분류학적 검토)

  • Kim, Chan-Soo;Moon, Myung-Ok;Cheong, Eun Ju;Byun, Gwang Ok
    • Korean Journal of Plant Taxonomy
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    • v.35 no.2
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    • pp.81-98
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    • 2005
  • Leaf morphology was examined for Prunus species from Jeju Island. Analyzed were the leaf blade length, petiole length, width of blade, number of veins and angle of the base to the mid-vein as quantitative characters and the distribution of trichome, position of glandsand leaf features qualitative characters. A total of 25 OTU were phenetically analyzed by UPGMA. The resuling phenograms slightly differ from the currently recognized taxonomic system in two points. Prunus mume was clustered with P. padus and P. buergeriana. Prunu spendula and P. yedoensis were separated from the cluster of P. jaamasakura, P. speciosa, P. sargentii and P. jamasakura var. quelpaertensis. Except for the members of subgenus Cerasus, subgenera Padus (P. buergeriana and P. padus), Microcerasus (P. japonica) and Amygdalus were well defined. Some morphological characters of leaves such as the ratio of blade length to width, the length of blade to petiole, number of veins, the distance between the gland and base, the angle of base to mid-vein, and the distribution of trichome were useful as diagnostic features for Prunus from Jeju Island.