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Candidate Chemosensory Genes Identified in the Procambarus clarkii (Decapoda: Cambaridae) by Antennules Transcriptome Analysis

Candidate Chemosensory Genes Identified in the Procambarus clarkii (Decapoda: Cambaridae) by Antennules Transcriptome Analysis

Zhengfei Wang1*, Chenchen Shen1,2, Yiping Zhang1, Dan Tang1,3, Yaqi Luo1, Yaotong Zhai1, Yayun Guan1, Yue Wang1 and Xinyu Wang1

1Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetlands, Yancheng Teachers University, Yancheng 224001, Jiangsu Province, China
2College of Fisheries and Life sciences, Shanghai Ocean University, Shanghai 201306, China
3College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211800, Jiangsu Province, China
 
*      Corresponding author: wangzf@yctu.edu.cn

ABSTRACT

Olfaction plays a vital role in the survival and reproduction of shrimps. However, very little information is available about Procambarus clarkii, an important aquaculture species. Thus, we conducted the antennules transcriptome of Procambarus clarkii and identified 26 olfactory-related genes, including nine ionotropic receptors, two ionotropic glutamate receptors, ten variant ionotropic glutamate receptors, four cytochrome P450s, and one carboxylesterase. Our study suggested that ionotropic receptors were the main odorant receptors in Procambarus clarkii. Additionally, the key genes that are responsible for olfactory transduction in Procambarus clarkii were identified in the cAMP-mediated olfactory transduction pathway, including Cyclic nucleotide-gated cation channel beta-1, Adenylyl cyclase III, Calcium/calmodulin-dependent protein kinase II and Na+/Ca2+ exchanger. As a whole, our study laid a solid foundation for further functional elucidations of olfactory molecular mechanism in Procambarus clarkii, and provided further insight for a better understanding of olfaction molecular mechanism in crustaceans.

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Pakistan Journal of Zoology

February

Pakistan J. Zool., Vol. 56, Iss. 1, pp. 01-501

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