Endocrine factors modulating vitellogenesis and oogenesis in insects: An update

Leyria, Jimena

doi:10.1016/j.mce.2024.112211

Molecular and Cellular Endocrinology

2024

DOI: 10.1016/j.mce.2024.112211

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Endocrine factors modulating vitellogenesis and oogenesis in insects: An update

Jimena Leyria

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2024

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Cited by 4 publications

References 221 publications

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Agonist-dependent action of the juvenile hormone receptor

Jindra,

Tumova,

Bittova

et al. 2024

Current Opinion in Insect Science

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Agonist-dependent action of the juvenile hormone receptor

Jindra,

Tumova,

Bittova

et al. 2024

Current Opinion in Insect Science

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Hormonal regulation and disruption in invertebrates – An historical perspective and recent findings

Sommer Vinagre,

Lange,

Cardoso

2024

Molecular and Cellular Endocrinology

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Octopamine is required for successful reproduction in the classical insect model, Rhodnius prolixus

Leyria,

Orchard,

Lange

2024

PLoS ONE

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In insects, biogenic amines function as neurotransmitters, neuromodulators, and neurohormones, influencing various behaviors, including those related to reproduction such as response to sex pheromones, oogenesis, oviposition, courtship, and mating. Octopamine (OA), an analog of the vertebrate norepinephrine, is synthesized from the biogenic amine tyramine by the enzyme tyramine β-hydroxylase (TβH). Here, we investigate the mechanisms and target genes underlying the role of OA in successful reproduction in females of Rhodnius prolixus, a vector of Chagas disease, by downregulating TβH mRNA expression (thereby reducing OA content) using RNA interference (RNAi), and in vivo and ex vivo application of OA. Injection of females with dsTβH impairs successful reproduction at least in part, by decreasing the transcript expression of enzymes involved in juvenile hormone biosynthesis, the primary hormone for oogenesis in R. prolixus, thereby interfering with oogenesis, ovulation and oviposition. This study offers valuable insights into the involvement of OA for successful reproduction in R. prolixus females. Understanding the reproductive biology of R. prolixus is crucial in a medical context for controlling the spread of the disease.

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Endocrine factors modulating vitellogenesis and oogenesis in insects: An update

Cited by 4 publications

References 221 publications

Agonist-dependent action of the juvenile hormone receptor

Agonist-dependent action of the juvenile hormone receptor

Hormonal regulation and disruption in invertebrates – An historical perspective and recent findings

Octopamine is required for successful reproduction in the classical insect model, Rhodnius prolixus

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