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KCI 등재
MITE-AFLP를 이용한 자포니카 벼의 다양성 검정
Diversity Analysis of Japonica Rice using MITE-transposon Display
홍성미 ( Seong-mi Hong ) , 권수진 ( Soo-jin Kwon ) , 오창식 ( Chang-sik Oh ) , ( Susan R. Wessler ) , 안상낙 ( Sang-nag Ahn )
UCI I410-151-25-02-091952125

Miniature inverted transposable elements (MITEs) are abundant genomic components in plant including rice. MITE-transposon display (MITE-TD) is an Amplified Fragment Length Polymorphism (AFLP)-related technique based on MITE sequence. In this study, we used the MITE-AFLP for the analysis of diversity and relationship of the 114 japonica accessions. Of the several MITEs, the mPing family was applied to detect polymorphisms based on PCR amplification. The BfaI adaptor primer and the specific primer derived from mPing terminal inverted repeat (TIR) region were used to PCR amplification of 114 accessions. Nine primer pairs produced a total of 160 polymorphic bands. PIC values of the polymorphic bands generated by nine primer pairs ranged from 0.269 (Bfal + ACT) to 0.426 (BfaI + T). Each accession revealed a distinct fingerprint with two primer combinations, Bfal + G and Bfal + C. Cluster analysis using marker-based genetic similarity classified 114 accessions into five groups. MITE-AFLP markers were genetically mapped using a population of 80 BILs (BC1F7) derived from a cross between the rice accessions, Milyang 23 and Hapcheonaengmi 3. Eight of the markers produced with the primer pair Bfal + 0 were mapped on chromosomes 1, 2, 4, 5, 7, and 9. Considering that one MITE-AFLP marker on chromosome 7 was tightly linked to the Rc gene, the MITE-AFLP markers will be useful for gene tagging and molecular cloning.

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