표제지
목차
I. 서론 7
II. 연구사 9
1. 아마란스의 기원 9
2. 분자마커를 이용한 다형성 연구 10
III. 재료 및 방법 13
1. 공시재료 및 DNA 추출 13
2. SSR 마커를 이용한 유전자형 분석 17
3. SSR 마커의 다양성 및 집단 구조분석 17
IV. 결과 18
1. 유전적 다양성과 유연관계 18
2. 집단에서의 유전적 다양성과 유연관계 21
3. 집단의 유전적 구조 분석 24
V. 적요 29
참고문헌 30
ABSTRACT 34
Table 1. List of the 59 amaranth accessions used in the study and their model-based groupings. 13
Table 2. Total number of alleles, number of rare alleles, and GD index for 14 SSR loci in the 59 amaranth accessions. 19
Table 3. Number of amaranth accessions, number of alleles,major allele frequency, genetic diversity, polymorphic information content according to originated region/countries. 22
Table 4. Results of an AMOVA of the different populations. 23
Table 5. Comparisons of the rice model-based populations in terms of average GD and population differentiation. 25
Figure 1. Histogram showing the allele frequencies for all 63 alleles in the 59 amaranths 20
Figure 2. (A) Log-likelihood of the data (n=59) as a function of K (the number of groups used to stratify the sample). (B) ΔK, with its model value detecting a true K for the four groups. 26
Figure 3. Model-based clustering for each of the 59 amaranth accessions examined based on the 14 SSR markers used to build the Q matrix. 27
Figure 4. UPGMA dendrogram based on a genetic distance matrix between 59 amaranth accessions. 28