Insects occupy a broad range of habitats after terrestrialization and radiation from marine crustaceans 519 million years ago(Schwentner et al.,2017).They found themselves in a new environment,foremost jeopardizing th...Insects occupy a broad range of habitats after terrestrialization and radiation from marine crustaceans 519 million years ago(Schwentner et al.,2017).They found themselves in a new environment,foremost jeopardizing them with low humidity,i.e.,dry or desiccation conditions.In addition,their co-evolution with land plants both as beneficial and maleficial companions exposed them to plant-produced xenobiotics(secondary metabolites)that as the plant defence molecules may have potential adverse effects on insects.Insects learned to cope with both situations,among others,through the evolution and activation of H-type ATP-binding cassette(ABC)transporters(Fig.1).Indeed,ABCH transporters are arthropod-specific ABC transporters that,in all kingdoms of living organisms,using ATP hydrolysis,transport molecules from one side of a membrane to the other,thereby influencing the physiological milieus of both compartments.展开更多
文摘Insects occupy a broad range of habitats after terrestrialization and radiation from marine crustaceans 519 million years ago(Schwentner et al.,2017).They found themselves in a new environment,foremost jeopardizing them with low humidity,i.e.,dry or desiccation conditions.In addition,their co-evolution with land plants both as beneficial and maleficial companions exposed them to plant-produced xenobiotics(secondary metabolites)that as the plant defence molecules may have potential adverse effects on insects.Insects learned to cope with both situations,among others,through the evolution and activation of H-type ATP-binding cassette(ABC)transporters(Fig.1).Indeed,ABCH transporters are arthropod-specific ABC transporters that,in all kingdoms of living organisms,using ATP hydrolysis,transport molecules from one side of a membrane to the other,thereby influencing the physiological milieus of both compartments.