The pine nematode Bursaphelenchus mucronatus has been associated with pine wilt in China. This work was intended to investigate the role of the pathogenicity‐related β‐1,4‐endoglucanase gene of B. mucronatus in the infection of pines. In this ...
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https://www.riss.kr/link?id=O120788546
2018년
-
1437-4781
1439-0329
SCOPUS;SCIE
학술저널
n/a-n/a [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
The pine nematode Bursaphelenchus mucronatus has been associated with pine wilt in China. This work was intended to investigate the role of the pathogenicity‐related β‐1,4‐endoglucanase gene of B. mucronatus in the infection of pines. In this ...
The pine nematode Bursaphelenchus mucronatus has been associated with pine wilt in China. This work was intended to investigate the role of the pathogenicity‐related β‐1,4‐endoglucanase gene of B. mucronatus in the infection of pines. In this study, the full‐length cDNA of the Bm‐eng‐1 gene was cloned and characterized from a B. mucronatus isolate. Phylogenetic analysis suggested that the Bm‐eng‐1 gene of B. mucronatus may be acquired from fungi through horizontal gene transfer. The function of the gene was demonstrated using RNA interference. RNA interference indicated that Bm‐eng‐1 was involved in the dispersal, reproductive ability and pathogenicity of B. mucronatus. In situ hybridization showed that Bm‐eng‐1 was specifically expressed in the oesophageal gland of B. mucronatus. Furthermore, to investigate the relation between β‐1,4‐endoglucanase activities and virulence of different isolates, the β‐1,4‐endoglucanase activities and the expression levels of Bm‐eng‐1 were detected in six B. mucronatus isolates with different virulence. β‐1,4‐Endoglucanase activity was generally higher in pathogenic isolates than in non‐pathogenic isolates, and the Bm‐eng‐1 expression levels in different isolates were positively correlated with the β‐1,4‐endoglucanase activity. These findings suggested that β‐1,4‐endoglucanase plays important roles in the pathogenic process of B. mucronatus, and the differential expression of the gene may underlie the different activity levels of β‐1,4‐endoglucanase, subsequently influencing variations in virulence of B. mucronatus isolates.
Dothistroma spp. in Western Ukraine and Georgia