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신광벼 유래의 벼 줄무늬잎마름병 저항성 주동 QTL qSTV11SG탐색
곽도연,이봉춘,최일룡,여운상,조준현,이지윤,송유천,윤영남,박동수,강항원,남민희 한국육종학회 2011 한국육종학회지 Vol.43 No.5
벼 줄무늬잎마름병 저항성 유전자 및 연관 DNA 마커 탐색을 위하여 줄무늬잎마름병에 저항성인 통일형 품종인 신광 벼 이용 여교잡 집단을 육성하였다. 줄무늬잎마름병 저항성 유전자에 대한 QTL을 분석한 결과 11번 염색체에 위치하는 SSR 마커 RM6897이 탐색되었으며 전체 표현형 변이의 44.2%를 설명하였다. DNA 마커 RM6897은 여교잡 집단에서 생물검정과 유전자형이 일치하였다. 또한 자포니카 품종들에서 저항성 27품종과 감수성 23품종에 대해 Virus diseases often cause serious damage to rice production in Asia. The lack of information on virus resistance genes has been a major obstacle for the breeding of resistant varieties. In order to identify DNA marker associated with resistance against rice stripe virus (RSV), the quantitative trait locus (QTL) was carried out using advanced backcross population developed from a cross between RSV-resistant tongil type cultivar Shinkwang and susceptible japonica cultivar Ilpum. A RSV resistance QTL qSTV11SG explaining 44.2% of the phenotypic variation was identified on chromosome 11 of Tongil type rice cultivar 'Shingwang'. qSTV11SG was tightly linked to DNA marker RM6897. The RM6897 divided as resistance type allele and susceptible type alleles. Twenty seven resistant varieties showed the resistant-type allele and 23 susceptible varieties were susceptible-type allele to the marker of RM6897. This results and the molecular markers presented here may be useful in rice breeding for improving RSV resistance in japonica rice.
Acrylic Resin에 의한 두개골 성형수술에 대한 고찰
손진식,안길수,차경환,이종길,최일룡,이병효 中央醫學社 1971 中央醫學 Vol.20 No.2
Since March, 1965 to March, 1970, authors had statistical consideration of cranioplasty with acrylic resin and iliac bone in 216 cases, and resulted as follows. 1. The causes of head trauma were traffic accident in 90 cases (41.6%), explosive in 66cases (30.60), and gun shot wound in 32 cases (14.8%) 2. The sites of skull defect were frontal bone in 72 cases (31.4%), temporal in 68 cases(29.6%), parietal in 62 cases (26.9%) and occipital in 10 cases (4.3%) 3. The interval from injuries to cranioplasty were within 3 months in 14 cases (6. 5%), 3-6months in 135 cases (62.5%) and over 6 months in 67 cases (31%). 4. Post operative complications were 5 cases (2.3%). 5. The sizes of defect in 36 cases were within 3cm in diameter, and 98 cases (38%) in 3-5 cm. and over 5cm. in 82 cases (28%). 6. The material of cranioplasty were acrylic resin in 198 cases (91. 6%), iliac bone in 18 cases (8.4%).
한국 자포니카 품종에서 벼퉁그로 바이러스병 저항성 탐색
이종희,조준현,이지윤,강주원,신동진,조수민,최일룡,송유천,박동수,고종민 한국육종학회 2019 한국육종학회지 Vol.51 No.2
Rice tungro disease is a serious threat to rice production in South and Southeast Asian countries. Rice production in these countries has been intensified, often through continuous cultivation of rice. We conducted a screen of the resistance to tungro virus disease in Korean japonica rice. Dongjin, Hwaseong, and Sangju were varieties resistant to Rice tungro spherical virus (RTSV) but susceptible to Rice tungro bacilliform virus (RTBV). RTSV-resistant variety Sangju was crossed with RTSV-susceptible variety Unkwang to conduct a genetic analysis for RTSV resistance originating from Sangju. Evaluation of 201 F2 plants from the cross between Unkwang and Sangju showed that there were 85 plants showing resistance, and that 116 plants were susceptible, indicating a ratio fitting a 7:9 ratio ratio (χ2 = 0.54; p = 0.46). Thus, the resistance to RTSV in Sangju might be controlled by two recessive genes. This result indicates that Sangju might serve as a useful genetic source for diversification of RTSV resistance and stabilization of resistance through gene pyramiding.