Gaseous neuromodulator-related genes expressed in the brain of honeybee Apis mellifera

Takayuki Watanabe, Mika Kikuchi, Dai Hatakeyama, Takumi Shiga, Takehiro Yamamoto, Hitoshi Aonuma, Masakazu Takahata, Norio Suzuki, Etsuro Ito

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Nitric oxide (NO), hydrogen sulfide (H2S), and carbon monoxide (CO) are thought to act as gaseous neuromodulators in the brain across species. For example, in the brain of honeybee Apis mellifera, NO plays important roles in olfactory learning and discrimination, but the existence of H2S- and CO-mediated signaling pathways remains unknown. In the present study, we identified the genes of nitric oxide synthase (NOS), soluble guanylyl cyclase (sGC), cystathionine β-synthase (CBS), and heme oxygenase (HO) from the honeybee brain. The honeybee brain contains at least one gene for each of NOS, CBS, and HO. The deduced proteins for NOS, CBS, and HO are thought to contain domains to generate NO, H2S, and CO, respectively, and to contain putative Ca2+/calmodulin-binding domains. On the other hand, the honeybee brain contains three subunits of sGC: sGCα1, sGCβ1, and sGCβ3. Phylogenetic analysis of sGC revealed that Apis sGCα1 and sGCβ1 are closely related to NO- and CO-sensitive sGC subunits, whereas Apis sGCβ3 is closely related to insect O2-sensitive sGC subunits. In addition, we performed in situ hybridization for Apis NOS mRNA and NADPH-diaphorase histochemistry in the honeybee brain. The NOS gene was strongly expressed in the optic lobes and in the Kenyon cells of the mushroom bodies. NOS activity was detected in the optic lobes, the mushroom bodies, the central body complex, the lateral protocerebral lobes, and the antennal lobes. These findings suggest that NO is involved in various brain functions and that H 2S and CO can be endogenously produced in the honeybee brain.

Original languageEnglish
Pages (from-to)456-473
Number of pages18
JournalDevelopmental Neurobiology
Volume67
Issue number4
DOIs
Publication statusPublished - 2007 Mar
Externally publishedYes

Fingerprint

Bees
Neurotransmitter Agents
Nitric Oxide Synthase
Carbon Monoxide
Brain
Nitric Oxide
Heme Oxygenase (Decyclizing)
Genes
Mushroom Bodies
Cystathionine
Discrimination Learning
NADPH Dehydrogenase
Hydrogen Sulfide
Calmodulin
In Situ Hybridization
Insects
Soluble Guanylyl Cyclase
Messenger RNA

Keywords

  • Apis
  • Cystathionine β-synthase
  • Heme oxygenase
  • Nitric oxide synthase
  • Soluble guanylyl cyclase

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience
  • Developmental Neuroscience
  • Neuroscience(all)

Cite this

Gaseous neuromodulator-related genes expressed in the brain of honeybee Apis mellifera. / Watanabe, Takayuki; Kikuchi, Mika; Hatakeyama, Dai; Shiga, Takumi; Yamamoto, Takehiro; Aonuma, Hitoshi; Takahata, Masakazu; Suzuki, Norio; Ito, Etsuro.

In: Developmental Neurobiology, Vol. 67, No. 4, 03.2007, p. 456-473.

Research output: Contribution to journalArticle

Watanabe, T, Kikuchi, M, Hatakeyama, D, Shiga, T, Yamamoto, T, Aonuma, H, Takahata, M, Suzuki, N & Ito, E 2007, 'Gaseous neuromodulator-related genes expressed in the brain of honeybee Apis mellifera', Developmental Neurobiology, vol. 67, no. 4, pp. 456-473. https://doi.org/10.1002/dneu.20359
Watanabe, Takayuki ; Kikuchi, Mika ; Hatakeyama, Dai ; Shiga, Takumi ; Yamamoto, Takehiro ; Aonuma, Hitoshi ; Takahata, Masakazu ; Suzuki, Norio ; Ito, Etsuro. / Gaseous neuromodulator-related genes expressed in the brain of honeybee Apis mellifera. In: Developmental Neurobiology. 2007 ; Vol. 67, No. 4. pp. 456-473.
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