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논문 기본 정보

자료유형
학술저널
저자정보
Gyu Min Lee (Ulsan National Institute of Science and Technology (UNIST)) Seyoung Ko (Ulsan National Institute of Science and Technology (UNIST)) Eom-Ji Oh (Kyung Hee University) Yu-Rim Song (Kyung Hee University) Donghyuk Kim (Ulsan National Institute of Science and Technology (UNIST)) Chang-Sik Oh (Kyung Hee University)
저널정보
한국식물병리학회 The Plant Pathology Journal The Plant Pathology Journal 제36권 제5호
발행연도
2020.10
수록면
428 - 439 (12page)

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Erwinia pyrifoliae is a Gram-negative bacterial plant pathogen that causes black shoot blight in apple and pear. Although earlier studies reported the genome comparison of Erwinia species, E. pyrifoliae strains for such analysis were isolated in 1996. In 2014, the strain E. pyrifoliae EpK1/15 was newly isolated in the apple tree showing black shoot blight in South Korea. This study aimed to better understand the similarities and differences caused by natural variations at the genomic level between newly isolated E. pyrifoliae EpK1/15 and the strain Ep1/96, which were isolated almost 20 years apart. Several comparative genomic analyses were conducted, and Clusters of Orthologous Groups of proteins (COG) database was used to classify functional annotation for each strain. E. pyrifoliae EpK1/15 had similarities with the Ep1/96 strain in stress-related genes, Tn3 transposase of insertion sequences, type III secretion systems, and small RNAs. The most remarkable difference to emerge from this comparison was that although the draft genome of E. pyrifoliae EpK1/15 was almost conserved, Epk1/15 strain had at least three sorts of structural variations in functional annotation according to COG database; chromosome inversion, translocation, and duplication. These results indicate that E. pyrifoliae species has gone natural variations within almost 20 years at the genomic level, and we can trace their similarities and differences with comparative genomic analysis.

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Materials and Methods
Results and Discussion
References

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