The Asian rice gall midge(Orseolia oryzae WoodMason) is a serious pest of rice that causes huge loss in yield.While feeding inside the susceptible host,maggots secrete substances that facilitate the formation of a h...The Asian rice gall midge(Orseolia oryzae WoodMason) is a serious pest of rice that causes huge loss in yield.While feeding inside the susceptible host,maggots secrete substances that facilitate the formation of a hollow tube-like structure called gall and prevent panicle formation.The present investigation was carried out to get an account of biochemical changes occurring in the rice plant upon gall midge feeding.Metabolic profiling of host tissues from three rice varieties,namely,TN1,Kavya,and RP2068,exposed to gall midge biotype 1(GMB1),was carried out using gas chromatography mass spectrometry(GC-MS).TN1 and GMB1 represented compatible interaction,while Kavya and GMB1 as well as RP2068 and GMB1 represented incompatible interactions.The current study identified several metabolites that could be grouped as resistance,susceptibility,infestation,and host features based on their relative abundance.These may be regarded as biomarkers for insect-plant interaction in general and rice-gall midge interaction in particular.展开更多
基金Research on rice gall midge and gall midge-rice interaction in SN's laboratory is partially supported by coregrants from ICGEBextramural funding from the Department of Biotechnology(DBT)+1 种基金Indian Council of Agricultural Research(ICAR),Government of Indiathe University Grants Commission(UGC),Government of India,for a Junior Research Fellowship
文摘The Asian rice gall midge(Orseolia oryzae WoodMason) is a serious pest of rice that causes huge loss in yield.While feeding inside the susceptible host,maggots secrete substances that facilitate the formation of a hollow tube-like structure called gall and prevent panicle formation.The present investigation was carried out to get an account of biochemical changes occurring in the rice plant upon gall midge feeding.Metabolic profiling of host tissues from three rice varieties,namely,TN1,Kavya,and RP2068,exposed to gall midge biotype 1(GMB1),was carried out using gas chromatography mass spectrometry(GC-MS).TN1 and GMB1 represented compatible interaction,while Kavya and GMB1 as well as RP2068 and GMB1 represented incompatible interactions.The current study identified several metabolites that could be grouped as resistance,susceptibility,infestation,and host features based on their relative abundance.These may be regarded as biomarkers for insect-plant interaction in general and rice-gall midge interaction in particular.