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민현근,박충열,이홍규,염윤아,오종희,김봉섭,임승모,윤영남,이수헌,Min, Hyun-Geun,Park, Chung Youl,Lee, Hong-Kyu,Yeom, Yoon-Ah,Oh, Jonghee,Kim, Bong-Sub,Lim, Seungmo,Yoon, Youngnam,Lee, Su-Heon 한국식물병리학회 2017 식물병연구 Vol.23 No.3
2015년부터 2016년까지 국내 5개 지역에서 기장 101점, 수수 200점의 시료를 채집하였다. 채집한 시료에 대해 paired-end RNA sequencing, RT-PCR 진단을 수행하였다. 그 결과, 경상도에서 채집한 수수에서 Rice black-streaked dwarf virus (RBSDV)가 검출되었으며, RBSDV, Rice stripe virus (RSV), Barley virus G (BVG), Cereal yellow dwarf virus (CYDV) 4종의 바이러스가 기장에서 검출되었다. 기장에서 검출된 4종의 바이러스 중 RSV와 RBSDV는 경상도에서 채집한 시료에서 높은 감염률을 보였다. 반면, BVG는 5개 지역에서 모두 감염이 확인되었으며, 이미 전국적으로 분포되어 있는 바이러스인 것으로 보인다. 본 연구에서는 국내 기장과 수수에서 RBSDV를 처음으로 동정하였으며, 수수에서 검출된 CYDV는 기존에 보고된 CYDV 분리주와 상동성이 상대적으로 낮은 것으로 보아 Polerovirus 속의 신종 바이러스로 예상된다. Throughout year 2015 to 2016, 101 proso millet and 200 sorghum samples were collected from five provinces in South Korea. The samples were subjected to paired-end RNA sequencing and further analyzed by RT-PCR. The results indicated that Rice black-streaked dwarf virus (RBSDV) was detected from sorghum collected in Gyeongsang province. The other four viruses, including RBSDV, Rice stripe virus (RSV), Barley virus G (BVG), and Cereal yellow dwarf virus (CYDV), were detected from proso millet. Among four viruses, both RSV and RBSDV were identified high frequency from proso millet collected from Gyeongsang province. Otherwise, BVG was nearly equally identified from five provinces, suggesting that the virus was supposedly widespread nationwide. RBSDV was first identified from both proso millet and sorghum in South Korea. The other virus annotated CYDV identified proso millet was shown to have relatively low identities compared to CYDV previously reported, suggesting that the virus might be new member of Polerovirus.
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박정열,민현근,이홍규,Rameswor Maharjan,윤영남,이수헌 한국식물병리학회 2018 식물병연구 Vol.24 No.4
A multiplex reverse transcription-polymerase chain reaction (mRT-PCR) assay was developed for the detection of Clover yellow vein virus (ClYVV), Peanut mottle virus (PeMoV), and Tomato spotted wilt virus (TSWV), which were recently reported to infect soybean and azuki bean in Korea. Species-specific primer sets were designed for the detection of each virus, and their specificity and sensitivity were tested using mixed primer sets. From among the designed primer sets, two combinations were selected and further evaluated to estimate the detection limits of uniplex, duplex, and multiplex RT-PCR. The multiplex RT-PCR assay could be a useful tool for the field survey of plant viruses and the rapid detection of ClYVV, PeMoV, and TSWV in leguminous plants.
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박충열,민현근,이홍규,염윤아,오종희,김봉섭,배대현,윤영남,이수헌,Park, Chung Youl,Min, Hyun-Geun,Lee, Hong-Kyu,Yeom, Yoon Ah,Oh, Jonghee,Kim, Bong-Sub,Bae, Dae-Hyeon,Yoon, Young-Nam,Lee, Su-Heon 한국식물병리학회 2017 식물병연구 Vol.23 No.1
In 2015, a nationwide survey was carried out to investigate about occurrence pattern of virus infecting foxtail millet. A total 100 foxtail millet leaf samples showing virus-like and abnormal symptoms were collected in the seven main cultivated regions of Korea. Four viruses were identified using reverse transcription polymerase chain reaction and RNA sequencing. Of the collected 100 foxtail millet samples, 10 were Barley virus G (BVG), 4 were Rice stripe virus (RSV), 1 was Northern cereal mosaic virus (NCMV), and 1 was Sugarcane yellow leaf virus (ScYLV) infection. To our best knowledge, this is the first report of BVG and NCMV infecting foxtail millet in Korea and ScYLV is expected as new Polerovirus species. This research will be useful in breeding for improved disease-resistant foxtail millet cultivars. 2015년, 조 바이러스 발생양상을 구명하기 위하여 전국적인 조사를 실시하였다. 주요재배단지 7개 지역에서 이상 증상과 바이러스 병징을 보이는 식물체 100점을 수집하여, RT-PCR 진단과 RNA sequencing 방법을 이용하여 전체 4종의 바이러스를 동정하였다. 수집한 시료에서는 Barley virus G (BVG)가 10점, Rice stripe virus (RSV)는 4점, Northern cereal mosaic virus (NCMV), Sugarcane yellow leaf virus (ScYLV)가 각각 1점씩 검출되었다. 이들중에서 BVG와 NCMV는 국내 조에서 첫 발생보고이며, ScYLV는 Polerovirus속의 신종으로 예상된다. 본 연구결과는 조 식물체의 무병종자와 저항성 품종개발을 위한 기초연구 자료로 이용 가능할 것으로 생각된다.
ScienceON
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