Distribution of Pheromone Biosynthesis-Activating Neuropeptide in the Central Nervous System of Plutella xylostella (Lepidoptera: Plutellidae)
文献类型： 外文期刊
作者： Chen, Yong 1 ; Liu, Yuyan 1 ; Tian, Houjun 1 ; Chen, Yixin 1 ; Lin, Shuo 1 ; Mao, Qianzhuo 2 ; Zheng, Nan 1 ; Zhao, Jianw 1 ;
作者机构： 1.Fujian Acad Agr Sci, Inst Plant Protect, Fujian Key Lab Monitoring & Integrated Management, 247 Wusi Rd, Fuzhou 350003, Peoples R China
2.Fujian Agr & Forestry Univ, Fujian Taiwan Joint Ctr Ecol Control Crop Pests, State Key Lab Ecol Pest Control Fujian & Taiwan C, 15 Shangxia Dian Rd, Fuzhou 350002, Peoples R China
3.Minist Agr, Fuzhou Sci Observing & Expt Stn Crop Pests, 247 Wusi Rd, Fuzhou 350003, Peoples R China
关键词： neuropeptide; PBAN; immunocytochemistry; Plutella xylostella; central nervous system
期刊名称：JOURNAL OF ECONOMIC ENTOMOLOGY （ 影响因子：2.381； 五年影响因子：2.568 ）
ISSN： 0022-0493
年卷期： 2019 年 112 卷 6 期
页码：
收录情况： SCI
摘要： Insect neuropeptides in the pyrokinin/pheromone biosynthesis-activating neuropeptide (PBAN) family are actively involved in many essential endocrinal functions and serve as potential targets in the search for novel insect control agents. Here, we dissect the nervous system of larval, pupal, and adult Plutella xylostella (L.) (Lepidoptera: Plutellidae) and describe the ganglion morphology and localization of PBAN during different insect developmental stages. Our results show that the central nervous system (CNS) of this species consists of four types of ganglia: cerebral ganglia (brain), subesophageal ganglion (SEG), thoracic ganglia, and abdominal ganglia. A two-lobed brain is connected to the reniform SEG with a nerve cord in larvae and prepupae, whereas in the late pupae and adults, the brain and SEG are fused, forming a brain-SEG complex. The larvae and prepupae have eight abdominal ganglia each, whereas the late pupae and adults each have four abdominal ganglia. Furthermore, all life stages of P. xylostella had similar patterns of PBAN immunoreactivity in the CNS, and the accumulation of PBAN was similar during all life stages except in adult males. PBAN immunoreactive signals were observed in the brain and SEG, and fluorescence signals originating in the SEG extended the entire length of the ventral nerve cord, ending in the terminal abdominal ganglia. Our results provide morphological data that inform the development and evolution of the CNS. In addition, they indicate that the nervous system contains PBAN, which could be used to control P. xylostella populations.
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