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RISS 인기검색어
- 검색키워드
- 저자 : Subhashree Aparajita (검색결과 4 건)
- 무료
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Subhashree Aparajita,G. R. Rout 강원대학교 산림과학연구소 2008 Journal of Forest Science Vol.24 No.1
Level and distribution of genetic diversity in seven populations of Albizia lucida Benth. in eastern region of the Indian sub-continent were estimated using ISSR markers. Relatively higher level of genetic diversity within populations was observed in seven populations of A. lucida (mean of 0.38). From the result of AMOVA, majority of genetic diversity was allocated within populations (96.2%) resulting in a moderate degree of population differentiation. The observed distribution pattern of I-SSR variant among the populations was coincided with the typical pattern of long-lived woody tree species. Genetic relationships among the populations, reconstructed by UPGMA method, revealed two genetic groups. The population of Anugul and Bargarh turned out to be the most closely related despite a distance location between them. These formations will be of great value in the development of conservation plans for species exhibiting high levels of genetic differentiation due to fragmentation, such as indication of conservation unit size, which populations should be chosen as priority in conservation plans and which samples should be introduced in areas with a low number of individuals of A. lucida.
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Aparajita, Subhashree,Rout, G.R. Institute of Forest Science 2008 Journal of Forest Science Vol.24 No.1
Level and distribution of genetic diversity in seven populations of Albizia lucida Benth. in eastern region of the Indian sub-continent were estimated using ISSR markers. Relatively higher level of genetic diversity within populations was observed in seven populations of A. lucida (mean of 0.38). From the result of AMOVA, majority of genetic diversity was allocated within populations (96.2%) resulting in a moderate degree of population differentiation. The observed distribution pattern of I-SSR variant among the populations was coincided with the typical pattern of long-lived woody tree species. Genetic relationships among the populations, reconstructed by UPGMA method, revealed two genetic groups. The population of Anugul and Bargarh turned out to be the most closely related despite a distance location between them. These formations will be of great value in the development of conservation plans for species exhibiting high levels of genetic differentiation due to fragmentation, such as indication of conservation unit size, which populations should be chosen as priority in conservation plans and which samples should be introduced in areas with a low number of individuals of A. lucida.
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Genetic Relationships among 23 Ficus Accessions Using Inter-Simple Sequence Repeat Markers
Rout, Gyana Ranjan,Aparajita, Subhashree 한국작물학회 2009 Journal of crop science and biotechnology Vol.12 No.2
Ficus genus is widely distributed in all the climatic stages and great diversity. The exploration of genetic diversity is a pre-requisite for genome organization in the wild species and the related domesticated ones. Inter-Simple Sequence Repeat (ISSR) markers were used to assess the identification of 23 important Ficus accessions and determination of the genetic relationships among these accessions. Out of 21 ISSR primers tested, five primers produced 116 detectable fragments, of which 106 (91.3%) were polymorphic across the accessions. Each of the five primers produced a fingerprint profile unique to each of the accessions studied, and thus could be solely used for their identification. Thirteen unique bands specific to nine species were detected. These may be converted into species-specific probes for identification purposes. Genetic relationships among these accessions were evaluated by generating a similarity matrix based on the Dice coefficient and the Unweighted Pair Group Method with Arithmetic Average (UPGMA) dendogram. The results showed a clear cut separation of the 23 Ficus accessions and were in broad agreement with the morphology. Both molecular and morphological markers will be useful for preservation of the Ficus germplasm.
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Genetic Relationships among 23 Ficus Accessions Using Inter- Simple Sequence Repeat Markers
Gyana Ranjan Rout,Subhashree Aparajita 한국작물학회 2009 Journal of crop science and biotechnology Vol.12 No.2
Ficus genus is widely distributed in all the climatic stages and great diversity. The exploration of genetic diversity is a pre-requisite for genome organization in the wild species and the related domesticated ones. Inter-Simple Sequence Repeat (ISSR) markers were used to assess the identification of 23 important Ficus accessions and determination of the genetic relationships among these accessions. Out of 21 ISSR primers tested, five primers produced 116 detectable fragments, of which 106 (91.3%) were polymorphic across the accessions. Each of the five primers produced a fingerprint profile unique to each of the accessions studied, and thus could be solely used for their identification. Thirteen unique bands specific to nine species were detected. These may be converted into species-specific probes for identification purposes. Genetic relationships among these accessions were evaluated by generating a similarity matrix based on the Dice coefficient and the Unweighted Pair Group Method with Arithmetic Average (UPGMA) dendogram. The results showed a clear cut separation of the 23 Ficus accessions and were in broad agreement with the morphology. Both molecular and morphological markers will be useful for preservation of the Ficus germplasm. Ficus genus is widely distributed in all the climatic stages and great diversity. The exploration of genetic diversity is a pre-requisite for genome organization in the wild species and the related domesticated ones. Inter-Simple Sequence Repeat (ISSR) markers were used to assess the identification of 23 important Ficus accessions and determination of the genetic relationships among these accessions. Out of 21 ISSR primers tested, five primers produced 116 detectable fragments, of which 106 (91.3%) were polymorphic across the accessions. Each of the five primers produced a fingerprint profile unique to each of the accessions studied, and thus could be solely used for their identification. Thirteen unique bands specific to nine species were detected. These may be converted into species-specific probes for identification purposes. Genetic relationships among these accessions were evaluated by generating a similarity matrix based on the Dice coefficient and the Unweighted Pair Group Method with Arithmetic Average (UPGMA) dendogram. The results showed a clear cut separation of the 23 Ficus accessions and were in broad agreement with the morphology. Both molecular and morphological markers will be useful for preservation of the Ficus germplasm.
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