A Putative Ormycovirus That Possibly Contributes to the Yellow Leaf Disease of Areca Palm

文献类型： 外文期刊

第一作者： Niu, Xiaoqing

作者： Niu, Xiaoqing;Qin, Weiquan;Xu, Zhongtian;Tian, Yujing;Xiao, Siyun;Xie, Yuan;Du, Zhenguo;Gao, Fangluan

作者机构：

关键词： areca palm; ormycovirus; ORFan; RNA-dependent RNA polymerase

期刊名称：FORESTS （ 影响因子：2.4； 五年影响因子：2.7 ）

ISSN：

年卷期： 2024 年 15 卷 6 期

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收录情况： SCI

摘要： Yellow leaf disease (YLD) poses a significant challenge to areca palm cultivation, yet its etiology remains uncertain. During our investigation of YLD-affected areca palm plants, transcriptome sequencing revealed an RNA contig exhibiting striking similarities to the RNA-dependent RNA polymerase (RdRp) of ormycoviruses. Subsequent gene cloning techniques yielded the full-length sequence of this RNA, potentially representing either the complete or partial genome of a hitherto unidentified ormycovirus, tentatively named areca palm yellow leaf-associated ormycovirus (APYLaOMV). RT-PCR detection found that APYLaOMV is present in over 30% of YLD-affected areca palm samples but is absent in healthy ones, suggesting a potential link between APYLaOMV and YLD. In summary, these data could be valuable in understanding the etiology of YLD in areca palms.

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