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콩에서 발생하는 강낭콩일반모자이크바이러스(BCMV)와 땅콩위축바이러스(PSV)의 저항성 평가
이영훈, 윤영남, 강범규, 김현영, 최만수, 구성철, 김현태, 윤홍태, 이수헌, 백인열 忠北大學校 農業科學硏究所 2014 農業科學硏究 Vol.30 No.2
It has been reported several viral diseases in soybean. The occurrence of Bean common mosaic virus and Peanut stunt virus are able to induce severe problem because the main breeding target for viral disease was focused on Soybean mosaic virus. BCMV is a spcies of the genus Potyvirus of the family Potyviridae. BCMV reduces yield by as much as 80% and also adversely affects seed quality in common bean. BCMV has a worldwide distribution because of its high rates 35% of transmission via seeds produced by plants systemically infected prior to bloom. PSV is a species of the genus Cucumovirus of the family Bromoviridae. PSV has been reported to be economically damaging on beans worldwide. Although the virus is reportedly seed transmissible at very low rates, infected plants rarely produce pods with normal viable seeds. The most satisfactory management method of viral diseases such as BCMV and PSV is the use of resistant cultivars and healthy seed. For the overcome of genetic resistance by new virus such as BCMV and PSV, virus diseases monitoring and researches need to study deeply and continually. In this study, we conducted the resistance screen on BCMV and PSV for selection of resistance cultivars. We inoculated on 128 cultivars with PSV and BCMV respectively. These cultivars were classified through pathogenic response such as resistance, necrosis and susceptibility. In addition, 99 and 66 resistant cultivars were confirmed against PSV and BCMV respectively.
The Natural History of Pediatric Trigger Thumb: A Study with a Minimum of Five Years Follow-up
Goo Hyun Baek,Hyuk Jin Lee 대한정형외과학회 2011 Clinics in Orthopedic Surgery Vol.3 No.2
Background: Pediatric trigger thumb is due to deformed flexion of the interphalangeal joint. We previously reported that pediatric trigger thumb can spontaneously resolve in > 60% of patients at the median follow-up of 48 months. The purpose of this study was to determine whether there were any more cases of resolution with a follow-up of more than 5 years and whether any residual deformities remain, and so to confirm the natural history of pediatric trigger thumb. Methods: We prospectively followed 87 thumbs in 67 patients with pediatric trigger thumb and these patients didn’t receive any treatment such as passive stretching, splinting or surgery. The date of the first visit ranged from April 1994 to March 2005. The patients were evaluated every six-months prior to resolution and annually after resolution. The median duration of follow-up was 87.3 months (range, 60 to 156 months). Results: Of the 87 trigger thumbs, 66 (75.9%) resolved spontaneously. The median time from the initial visit to resolution was 49.0 months (95% confidence interval, 41.1 to 56.9). There were no residual deformities that resolved beyond 48 months. Although complete resolution did not occur in the remaining 21 thumbs, the flexion deformities did improve in all 21 thumbs. There were no other differences between the two groups besides the average duration of follow-up. There was no difference in resolution based on gender. Conclusions: Pediatric trigger thumb can spontaneously resolve in > 75% of the cases after a follow-up period of at least 5 years. An operation may be delayed or avoided in the majority of cases. This may help both the families and the surgeons make decisions regarding the proper treatment of pediatric trigger thumb.
Multiple Subungual Osteochondromas
Goo Hyun Baek(백구현),Jin Sam Kim(김진삼),Moon Sang Chung(정문상) 대한정형외과학회 2004 대한정형외과학회지 Vol.39 No.5
골연골종은 흔한 질환이나 조갑하에 생기는 경우는 드물고 특히 수지의 조갑하에 다발성으로 발생한 경우는 문헌상의 보고가 전무한 실정이다. 저자들은 수지의 원위 지골에 발생하여 조갑 변형과 통증을 일으킨 다발성 조갑하 골연골종을 경험하여 이를 보고하고자 한다. The osteochondroma is a common benign bone tumor, which is only rarely observed in a subungal location, especially in the fingers. We present a case of multiple subungal osteochondromas, which occurred in the distal phalanges causing nail deformities and pain.