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경북지방 소나무 및 곰솔에 대한 동위효소 IDH , ME 및 PGI 의 유전
손두식(Doo Sik Son),홍성천(Sung Chun Hong),여진기(Jin Kie Yeo),류장발(Jang Bal Ryu) 한국산림과학회 1989 한국산림과학회지 Vol.78 No.2
This study was conducted to estimate the inheritance of allozyme variants in IDH, ME and PGI, using megagametophyte tissue of seeds of Pinus densiflora and Pinus thunbergii in Kyungpook province. Two alleles at a single locus were detected for MH in Pines densiflora, but Pines thunbergii showed no varition, showing only one band. Four alleles at one locus were determined for ME in Pines densiflora and Pines thunbergii . Two loci were found for PGI and no variation seemed to occurred in A-locus as the presence of one single band. Five alleles were presented in B-locus in Ptnus densiflora, but two alleles B₁ and B₂ in Pinus thunbergii. In PGI, an allozyme composed of multiple bands is observed from haploid megagamtophyte tissues. The isozyme variants of IDH, ME and PGI were appeared to segregate into 1 : 1 ratio for all zones.
경북지방 소나무 및 곰솔집단의 동위효소에 의한 유전변이
손두식(Doo Sik Son),홍성천(Sung Chun Hong),여진기(Jin Kie Yeo),류장발(Jang Bal Ryu) 한국산림과학회 1989 한국산림과학회지 Vol.78 No.4
This study was conducted to estimate genetic variation of Pinus densiflora in Kyungpook province which shows morphological variation between northern and southern types. Six isozymes sueh as IDH, ME, PGI, ADH, GOT and LAP was analyzed using megagametophyte tissue of seeds by electrophoresis and 16 populatios of Pinus densiflora and 5 of Pinus thunbergii were tested. $quot;The results obtained were as follows ; 1 In P. densiflora, 13 Loci were found in 6 isozymes and 8 loci of them were polymorphic, having 24 alleles, while in Pinus thunbergii, there were 18 alleles detected from 6 loci among the same number of loci as in Pinus densiflora. 2. The genotypic frequency in Pizzus densiflora vary slightly among populations for some isozymes, but most of them satisfied the law of Hardy-Weinherg equilibrium, while some populations such as Youngil for ADH and LAY, Youngyang for ADH and Bonghwa for LAY did not follow the law and showed high fixation index values and homozygosities higher than expected. 3. The variation among populations based on the genetic distance was small except populations of Youngju, Baegam, Gyungju and Sangju, however they could be clustered by three groups : northern Kyungpook group including Mt. Taebak, inland Kyungpook group represented by Sungju, Eusung and Kumleung population and coastal Kyungpook group represented by Baegam and Gyungju population. 4. No significant difference was found in 6 isozymes between northern and southern types of Pinus densiflora which was morphologically different. 5. The frequency of heterozygous loci per tree was higher in Pinus densiflora especially for ME-A and A DH-B, while (hat of homozygous loci was higher in Pinus thunbergii except for ADH-B, LAY-B and PGI-B locus.
포플러류의 식물체와 미토콘드리아의 동위효소 분석에 의한 몇 동위효소의 세포소기관적 (細胞小器管的) 위치
류장발,노은운,손두식 ( Jang Bal Ryu,Eun Woon Noh,Doo Sik Son ) 한국산림과학회 1991 한국산림과학회지 Vol.80 No.1
Subcellular location of five isozymes in Populus species was studied by isozyme analysis with plant and mitochondria. Isozymes analyzed were ADH, 6-PGD, MDH, PGI, and Diaptrorase. ADH seems to be cytosolic isozyme encoded with nuclear genes at one locus, while 6-PGD seems to be mitochondrial one. MDH showed three hands in cytosol and four other bands in mitochondria. Three cytosolic hands were showed for PGI. Diaphorase showed one mitochodrial band and two cytosofic bands which seemed to the encoded by nuclear genes at one locus.