Molecular characterization and tissue localization of sensory neuron membrane protein from Chinese honey bee, Apis cerana cerana (Hymenoptera: Apidae)
文献类型: 外文期刊
第一作者: Hu, Ying-Ying
作者: Hu, Ying-Ying;Xu, Shu-Fa;Wubie, Abebe Jenberie;Li, Wei;Huang, Jia-Xing;Guo, Zhan-Bao;Zhou, Ting;Wubie, Abebe Jenberie
作者机构:
关键词: Apis cerana cerana;SNMP;Tissue distribution;Western blot;Immunohistochemistry
期刊名称:APPLIED ENTOMOLOGY AND ZOOLOGY ( 影响因子:1.403; 五年影响因子:1.381 )
ISSN: 0003-6862
年卷期: 2013 年 48 卷 4 期
页码:
收录情况: SCI
摘要: Sensory neuron membrane protein (SNMP) is an olfactory receptor with photoaffinity analogs, capable of binding the pheromone membrane protein receptor deduced from receptor membrane protein with the pheromone-pheromone binding protein complex. However, this hypothesis has not yet been experimentally verified. In this experiment, the cDNA sequence encoding an open reading frame (ORF) of the SNMP gene AccSNMP1 (GenBank, KC012595) was cloned from Chinese honey bee, Apis cerana cerana Fabricius. Results from sequence analysis showed that this gene is 1,563 bp long, and that the ORF encodes 520 amino acids with a predicted molecular weight of 58.02 kDa, and has a theoretical isoelectric point of 5.83. Furthermore, there are two putative transmembrane domains. Multiple sequence alignment indicated that the AccSNMP1 gene from A. cerana cerana had different degrees of identity with the corresponding genes in nineteen other insects at the amino acid level. Phylogenetic analysis of the aligned sequences showed that A. cerana cerana is closely related to Apis mellifera Linnaeus and Bombus impatiens Cresson. Its distribution in tissues, as quantified using real-time RT-PCR, indicated that AccSNMP1 is highly expressed in the antennae and legs of A. cerana cerana, and there was a significant difference (p < 0.05) in gene expression between those tissues and tissues in the thorax, abdomen, snout, and head (not including antennae). Western blotting also confirmed the existence in the antennae of AccSNMP1 with an M (W) of 58.0 kDa, which is the same as the expected value of 58.02 kDa. An immunohistochemistry study showed that AccSNMP1 is expressed in the trichoid sensilla of A. cerana cerana antenna. Therefore, the results of this study provide the basis for further studies of the function of SNMP from A. cerana cerana.
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