The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone Biosynthesis

Eradication programs for the boll weevil, <i>Anthonomus grandis grandis</i> Boheman (Coleoptera: Curculionidae), rely almost exclusively on pheromone traps to indicate the need for insecticide applications. However, the effectiveness of traps in detecting weevil populations is reduced du...

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Main Authors: Lindsey C. Perkin, Jose L. Perez, Charles P.-C. Suh
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/12/10/893
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author Lindsey C. Perkin
Jose L. Perez
Charles P.-C. Suh
author_facet Lindsey C. Perkin
Jose L. Perez
Charles P.-C. Suh
author_sort Lindsey C. Perkin
collection DOAJ
description Eradication programs for the boll weevil, <i>Anthonomus grandis grandis</i> Boheman (Coleoptera: Curculionidae), rely almost exclusively on pheromone traps to indicate the need for insecticide applications. However, the effectiveness of traps in detecting weevil populations is reduced during certain times of the year, particularly when cotton is actively fruiting. Consequently, this could result in fields becoming heavily infested with weevils. It is widely speculated that the lack of weevil captures in traps during this period is largely due to the overwhelming amount of pheromone released by weevils in the field, which outcompete the pheromone released from traps. Thus, this work sought to identify genes involved in pheromone production so that new control methods that target these genes can be explored. We conducted an RNA-seq experiment that revealed 2479 differentially expressed genes between pheromone-producing and non-pheromone-producing boll weevils. Of those genes, 1234 were up-regulated, and 1515 were down-regulated, and most had gene annotations associated with pheromone production, development, or immunity. This work advances our understanding of boll weevil pheromone production and brings us one step closer to developing gene-level control strategies for this cotton pest.
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spelling doaj.art-e147bc57131942e49efda2a607b843462023-11-22T18:39:11ZengMDPI AGInsects2075-44502021-10-01121089310.3390/insects12100893The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone BiosynthesisLindsey C. Perkin0Jose L. Perez1Charles P.-C. Suh2Insect and Cotton Disease Research Unit, USDA Agricultural Research Service, College Station, TX 77845, USAInsect and Cotton Disease Research Unit, USDA Agricultural Research Service, College Station, TX 77845, USAInsect and Cotton Disease Research Unit, USDA Agricultural Research Service, College Station, TX 77845, USAEradication programs for the boll weevil, <i>Anthonomus grandis grandis</i> Boheman (Coleoptera: Curculionidae), rely almost exclusively on pheromone traps to indicate the need for insecticide applications. However, the effectiveness of traps in detecting weevil populations is reduced during certain times of the year, particularly when cotton is actively fruiting. Consequently, this could result in fields becoming heavily infested with weevils. It is widely speculated that the lack of weevil captures in traps during this period is largely due to the overwhelming amount of pheromone released by weevils in the field, which outcompete the pheromone released from traps. Thus, this work sought to identify genes involved in pheromone production so that new control methods that target these genes can be explored. We conducted an RNA-seq experiment that revealed 2479 differentially expressed genes between pheromone-producing and non-pheromone-producing boll weevils. Of those genes, 1234 were up-regulated, and 1515 were down-regulated, and most had gene annotations associated with pheromone production, development, or immunity. This work advances our understanding of boll weevil pheromone production and brings us one step closer to developing gene-level control strategies for this cotton pest.https://www.mdpi.com/2075-4450/12/10/893boll weevilpheromone productionRNA-seqtranscriptome
spellingShingle Lindsey C. Perkin
Jose L. Perez
Charles P.-C. Suh
The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone Biosynthesis
Insects
boll weevil
pheromone production
RNA-seq
transcriptome
title The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone Biosynthesis
title_full The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone Biosynthesis
title_fullStr The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone Biosynthesis
title_full_unstemmed The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone Biosynthesis
title_short The Identification of Boll Weevil, <i>Anthonomus grandis grandis</i> (Coleoptera: Curculionidae), Genes Involved in Pheromone Production and Pheromone Biosynthesis
title_sort identification of boll weevil i anthonomus grandis grandis i coleoptera curculionidae genes involved in pheromone production and pheromone biosynthesis
topic boll weevil
pheromone production
RNA-seq
transcriptome
url https://www.mdpi.com/2075-4450/12/10/893
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