Insect Olfactory Proteins (From Gene Identification to Functional Characterization), Volume II

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Editorial

02 March 2022

Editorial: Insect Olfactory Proteins (From Gene Identification to Functional Characterization), Volume II

Peng He

,

Yang Liu

,

J. Joe Hull

,

Ya-Nan Zhang

, 2 more and

Wei Xu

1,856 views

4 citations

Editors

7

Guizhou University

State Key Laboratory of Membrane Biology, Institute of Zoology (CAS)

Institute of Plant Protection, Chinese Academy of Agricultural Sciences

Murdoch University

Nanjing Agricultural University

Huaibei Normal University

U.S. Arid Land Agricultural Research Center, Agricultural Research Service (USDA)

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This Research Topic is part of the Insect Olfactory Proteins (From Gene Identification to Functional Characterization) series (Volume I).

Insects can exploit chemical signals in the environment using their accurate olfactory system, thereby mediating many important behaviors, such as mate-finding, host location, and responding to alarm signals from conspecifics. At the molecular level, several types of proteins are generally considered to be involved in odorant molecule perception in olfactory sensillae, hair-like structures located on insect antennae. First, odorants may diffuse into the sensillar lymph via pores, where odorant-binding proteins (OBPs) recognize and bind them. Second, OBPs act as transporters to transfer odorants across the sensillar lymph to reach olfactory receptors, including odorant receptors (ORs) and ionotropic receptors (IRs), which are located on the dendrites of olfactory receptor neurons (ORNs). Finally, distinct odorant-degrading enzymes (ODEs) act as inactivators to degrade odorants and maintain the sensitivity of ORNs. However, the detailed molecular mechanisms of peripheral odor detection remain largely unknown. Characterizing olfactory proteins will help to understand interactions between insects and their environment, as well as provide a scientific basis for the development of a new type of pest behavior blockers.

This Research Topic welcomes original as well as review articles on all these aspects of insect olfaction.

This Research Topic is part of the Insect Olfactory Proteins (From Gene Identification to Functional Characterization) series (Volume I).

Insects can exploit chemical signals in the environment using their accurate olfactory system, thereby mediating many important behaviors, such as mate-finding, host location, and responding to alarm signals from conspecifics. At the molecular level, several types of proteins are generally considered to be involved in odorant molecule perception in olfactory sensillae, hair-like structures located on insect antennae. First, odorants may diffuse into the sensillar lymph via pores, where odorant-binding proteins (OBPs) recognize and bind them. Second, OBPs act as transporters to transfer odorants across the sensillar lymph to reach olfactory receptors, including odorant receptors (ORs) and ionotropic receptors (IRs), which are located on the dendrites of olfactory receptor neurons (ORNs). Finally, distinct odorant-degrading enzymes (ODEs) act as inactivators to degrade odorants and maintain the sensitivity of ORNs. However, the detailed molecular mechanisms of peripheral odor detection remain largely unknown. Characterizing olfactory proteins will help to understand interactions between insects and their environment, as well as provide a scientific basis for the development of a new type of pest behavior blockers.

This Research Topic welcomes original as well as review articles on all these aspects of insect olfaction.

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Editors

Guizhou University

State Key Laboratory of Membrane Biology, Institute of Zoology (CAS)

Institute of Plant Protection, Chinese Academy of Agricultural Sciences

Murdoch University

Nanjing Agricultural University

Huaibei Normal University

U.S. Arid Land Agricultural Research Center, Agricultural Research Service (USDA)

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Frontiers in Physiology

Invertebrate Physiology

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