Plants have evolved constitutive and inductive defense mechanisms to protect themselves from herbivorous insects.Metabolites in plants are thought to be involved in response to herbivores.Bambusa emeiensis is an impor...Plants have evolved constitutive and inductive defense mechanisms to protect themselves from herbivorous insects.Metabolites in plants are thought to be involved in response to herbivores.Bambusa emeiensis is an important bamboo species widely distributed in Southwest China.It is easy to attract herbivores such as Cyrtotrachelus buqueti.Through the detection and analysis of metabolites in B.emeiensis metabolomic data,35 differential metabolites(biomarkers)were finally identified from 206 detection peaks,mainly primary metabolites.Subsequently,we conducted an association analysis between 35 biomarkers that annotated to be involved in 71 metabolic pathways in the metabolome and 324 differentially expressed genes(DEGs)in 207 gene expression pathways distributed in the transcriptome of B.emeiensis after feeding by C.buqueti.We also discussed the relationship between the changes in gene expression levels and metabolite content variation.A total of 47 integrated pathways containing the corresponding DEGs and biomarkers were screened out,with the amino acid synthesis pathway(ko01230)containing the most DEGs and biomarkers.In these integrated pathways,the changes in biomarkers content and the expression levels of the corresponding genes were generally consistent.For example,the increase in tryptophan content was accompanied by an increase in the expression of the corresponding catalase in the tryptophan synthesis pathway.Similar to this was glucose and trehalose in carbohydrate metabolism.Therefore,this study further deepened our understanding of the defense mechanism of B.emeiensis against bamboo pests and provided new insights for the prevention and control of bamboo diseases and pests.展开更多
本文记载中国颖蜡蝉科(Achilidae)三新种,即西藏广颖蜡蝉(Catonidiatibetensis Wang et Huang,n.sp.),挂墩广颖蜡蝉(Catonidia guadunensis Wanget Huang,n.sp.)和峨眉广颖蜡蝉(Catonidia emeiensis Wang et Huang,n.sp.).附有特征图....本文记载中国颖蜡蝉科(Achilidae)三新种,即西藏广颖蜡蝉(Catonidiatibetensis Wang et Huang,n.sp.),挂墩广颖蜡蝉(Catonidia guadunensis Wanget Huang,n.sp.)和峨眉广颖蜡蝉(Catonidia emeiensis Wang et Huang,n.sp.).附有特征图.截止目前,加上作者于1985年发现的一新纪录种(见中国经济昆虫志——蜡蝉总科36册)和1990年所发表的二新种(华北农学报5(4)1990),中国广颖蜡蝉属共计六种,其中有三种为害果树.本文附有种类检索表.模式标本均保存在石家庄果树研究所昆虫标本室.展开更多
基金Sichuan Science and Technology Program(2019YFG0139).
文摘Plants have evolved constitutive and inductive defense mechanisms to protect themselves from herbivorous insects.Metabolites in plants are thought to be involved in response to herbivores.Bambusa emeiensis is an important bamboo species widely distributed in Southwest China.It is easy to attract herbivores such as Cyrtotrachelus buqueti.Through the detection and analysis of metabolites in B.emeiensis metabolomic data,35 differential metabolites(biomarkers)were finally identified from 206 detection peaks,mainly primary metabolites.Subsequently,we conducted an association analysis between 35 biomarkers that annotated to be involved in 71 metabolic pathways in the metabolome and 324 differentially expressed genes(DEGs)in 207 gene expression pathways distributed in the transcriptome of B.emeiensis after feeding by C.buqueti.We also discussed the relationship between the changes in gene expression levels and metabolite content variation.A total of 47 integrated pathways containing the corresponding DEGs and biomarkers were screened out,with the amino acid synthesis pathway(ko01230)containing the most DEGs and biomarkers.In these integrated pathways,the changes in biomarkers content and the expression levels of the corresponding genes were generally consistent.For example,the increase in tryptophan content was accompanied by an increase in the expression of the corresponding catalase in the tryptophan synthesis pathway.Similar to this was glucose and trehalose in carbohydrate metabolism.Therefore,this study further deepened our understanding of the defense mechanism of B.emeiensis against bamboo pests and provided new insights for the prevention and control of bamboo diseases and pests.
文摘本文记载中国颖蜡蝉科(Achilidae)三新种,即西藏广颖蜡蝉(Catonidiatibetensis Wang et Huang,n.sp.),挂墩广颖蜡蝉(Catonidia guadunensis Wanget Huang,n.sp.)和峨眉广颖蜡蝉(Catonidia emeiensis Wang et Huang,n.sp.).附有特征图.截止目前,加上作者于1985年发现的一新纪录种(见中国经济昆虫志——蜡蝉总科36册)和1990年所发表的二新种(华北农学报5(4)1990),中国广颖蜡蝉属共计六种,其中有三种为害果树.本文附有种类检索表.模式标本均保存在石家庄果树研究所昆虫标本室.
