Transcriptome and degradome sequencing reveals changes in Populus×euramericana‘Neva’caused by its allelopathic response to p-hydroxybenzoic acid

查看全文 作　　者：Guoting [1,2]Liang;Jing [2]Guo;Shuyong [2]Zhang;Guangcan [2]Zhang 机构地区：[1]Facility Horticulture Laboratory of Universities in Shandong,Weifang University of Science and Technology,Weifang 262700,Shandong,People’s Republic of China;[2]Forestry College of Shandong Agricultural University,Mountain Tai Forest Ecosystem Research Station of State Forestry Administration,Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River,Taian 271018,Shandong,People’s Republic of China 出　　处：《Journal of Forestry Research》索引2021年第32卷第5期,共14页 基　　金：the National Public Welfare Industry Research Project of China(201504406);National Natural Science Foundation of China(31770706);National Natural Science Foundation of China(31870379);Science Research Projects of Facility Horticulture Laboratory of Universities in Shandong(2018YY031)。 摘　　要：Plant species produce different types of allelopathic chemicals in nature;however,little is known about the differential regulation of plant allelopathy.Because allelopathy caused by p-hydroxybenzoic acid(pHBA)is one of the main obstacles to continuous cropping of Populus×euramericana ‘Neva’,we examined gene expression dynamics in Neva leaves induced by pHBA.The expression of genes related to photosynthesis and respiration changed,while mRNA involved in regulating gene expression during allelopathy was degraded.Some miRNAs that are involved in plant allelopathy target crucial genes for regulating reactive oxygen species.Moreover,coexpression regulatory networks were constructed based on profiles of the identified miRNA-target interactions and the differentially expressed miRNA-target pairs.These findings provide a mechanistic framework for understanding allelopathy in plants. 关 键 词：Populus×euramericana‘Neva’ Allelopathic response miRNA TRANSCRIPTOME DEGRADOME