【摘要】 槟榔(ArecacatechuL.)作为海南省重要的经济作物,其叶片黄化现象日趋严重,已成为当前制约槟榔产业持续健康发展的一大障碍。经田间调研发现,叶片黄化症状主要有从叶缘1/4处开始发生的特异性黄化和全叶型黄化两种类型。本研究应用转录组测序技术,筛选出440个在特异性叶片黄化组中共同显著差异表达的基因,这些差异基因主要富集在能量代谢通路、激素代谢通路和次级代谢通路中。本研究探讨了不同胁迫下槟榔叶片表现出特异性黄化症状的分子机理,为槟榔黄化病的综合防控工作提供理论依据。更多还原

【Abstract】 Areca catechu L. is an important economic crop in Hainan, China, the leaf yellowing has become increasingly serious, which is a major obstacle to the sustainable and healthy development of the areca industry. According to field research, the symptoms of leaf yellowing mainly included specific yellowing from 1/4 of leaf margin and whole leaf yellowing. In this study, 440 differentially co-expressed genes were screened in the specific leaf yellowing group by transcriptome sequencing, which were mainly concentrated in secondary metabolic pathways, hormone signal transduction pathways and energy metabolism pathways. This study explored the molecular mechanism of specific etiolation of areca leaves under different stresses and provided theoretical basis for the comprehensive prevention and control of areca plam yellowing disease.更多还原