Development of the olfactory system in turbot (Psetta maxima L.)

Doldán, María Jesús; Cid, Patricia Andrade del; Mantilla, L.; Villegas, Encarnación de Miguel

doi:10.1016/j.jchemneu.2011.01.003

Cited by 19 publications

(21 citation statements)

References 58 publications

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“…This composition was also found in other flatfish such as turbot (Psetta maxima) (Doldán et al, 2011) and barfin flounder (Verasper moseri) (Yamamoto et al, 2004). Supporting cells have been described to perform the function of support and protect the OSNs whereas ciliated non-sensory cells with their kinocilia are responsible for the ventilation of the olfactory cavity in areas located between near lamellae of the olfactory rosette .…”

Section: Discussionsupporting

confidence: 54%

“…Nevertheless, the number of lamellae, the shape of the olfactory rosette and the distribution of the OSNs differs amongst fish species. The structure of the olfactory rosettes has been described in several fish species such as zebrafish , sturgeons (Acipenser ruthenus and Acipenser baerii) (Zeiske et al, 2003), European eel (Anguilla anguilla) and in flatfish such as winter flounder (Pseudopleuronectes americanus) and turbot (Psetta maxima) (Doldán et al, 2011).…”

Section: Chemical Communication Olfaction and Physiologymentioning

confidence: 99%

“…Flatfish (order Pleuronectiformes) are almost exclusively marine; in addition, their anatomy and lifestyle suggest functional asymmetry in the olfactory system (Doldán et al, 2011;. Flatfish often remain half-buried in the substrate with the eyes and upper nostril in contact with the water column, and the lower nostril buried and in direct contact with interstitial water.…”

Section: Introductionmentioning

confidence: 99%

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Reproduction, olfaction and dominance behaviour in Senegalese sole (Solea senegalensis)

Fernández¹

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Section: Discussionsupporting

confidence: 54%

Section: Chemical Communication Olfaction and Physiologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Reproduction, olfaction and dominance behaviour in Senegalese sole (Solea senegalensis)

Fernández¹

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“…Crypt cells occur before hatching in Danio rerio (at just 2days post-fertilization) (Sandulescu et al, 2011) and in Raja clavata (15weeks after egg laying) (Ferrando et al, 2007), but after hatching in Acipenser naccarii (2-3days posthatching) (Camacho et al, 2010) and Psetta maxima (at metamorphosis) (Doldán et al, 2011). Initially, immature crypt cells characterized by nuclei segregated in the middle layer are predominant, but their number decreases during growth (Camacho et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

Quantitative analysis of crypt cell population during postnatal development of the olfactory organ of the guppy, Poecilia reticulata (Teleostei, Poecilidae), from birth to sexual maturity

Bettini

Lazzari

2012

Journal of Experimental Biology

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SUMMARYCrypt cells are one of three types of olfactory sensory neuron, differing from ciliated and microvillar cells in shape, localization and number, and found only in fish. Although crypt cells are morphologically well characterized, their function remains unclear. They were hypothesized to be involved in reproductive behaviours by detecting sex pheromones, but electrophysiological investigations revealed sensitivity to only amino acids. However, the number of crypt cells in adult guppies is not the same in the two sexes. In this study, we compared the size of the crypt cell population in juvenile guppies during the first 90days after birth. The purpose of our study was to clarify whether a correlation exists between sex and the number of these olfactory neurons. The data show that guppies reach adult crypt cell density when they become sexually mature. Despite a constant increment in volume during development of the olfactory organ, the minimum density of crypt neurons occurs at ~45days. Moreover, in the early weeks, the density of crypt neurons is greater in males than in females because in females the total number of cells decreases significantly after just 7days. In adults, however, crypt neurons are found in higher density in females than in males. These findings suggest that the number of crypt cells is sex specific, with independent developmental dynamics between males and females. A role in pheromone detection could explain such a difference, but the early appearance of crypt cells in the first days of life is suggestive of other, not sexually related, functions.

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“…The developmental formation of crypt cells in the olfactory epithelium has been studied in different species, revealing a first appearance as early as 2days post-fertilization in zebrafish embryos and 2weeks before hatching in the skate Raja clavata (Ferrando et al, 2007), whereas in the turbot Psetta maxima, the first crypt cells appear during the metamorphosis from the larval to the juvenile stage (Doldan et al, 2011). In the sturgeon Acipenser naccarii, crypt-cell-like cells emerged approximately 2-3days after hatching but displayed a modified morphology without crypt, which only develops 21days after eclosion (Camacho et al, 2010).…”

Section: A Bazáes and O Schmachtenbergmentioning

confidence: 99%

Odorant tuning of olfactory crypt cells from juvenile and adult rainbow trout

Bazáes

Schmachtenberg

2012

Journal of Experimental Biology

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SUMMARYTeleost fish lack independent olfactory organs for odorant and pheromone detection. Instead, they have a single sensory epithelium with two populations of receptor neurons, ciliated and microvillous, that are conserved among vertebrates, and a unique receptor cell type named the olfactory crypt cell. Crypt cells were shown to be chemosensory neurons that project to specific areas in the olfactory bulb, but their odorant tuning and overall function remain unclear. Reproduction in fish is generally synchronized by sex pheromonal signaling between males and females, but the sensors responsible for pheromone detection remain unknown. In crucian carp, a seasonal variation in the population of olfactory crypt cells and their brain projections pathways, involved in reproduction, led to the hypothesis of a role as sex pheromone detectors. In the present study, morphology and localization of olfactory crypt cells were compared between juvenile and mature rainbow trout of both sexes, and calcium imaging was used to visualize responses of crypt cells from the three groups to common social and food-related odorants, sex hormones and conspecific tissue extracts. Crypt cells from mature trout were found to be larger than those of juvenile specimens, and preferentially localized to the apical surface of the olfactory epithelium. Although a fraction of crypt cells of all groups responded to common odorants such as amino acids and bile salts, cells from mature trout showed a characteristic preference for gonadal extracts and hormones from the opposite sex. These results support an involvement of olfactory crypt cells in reproduction-related olfactory signaling in fishes. Supplementary material available online at

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Development of the olfactory system in turbot (Psetta maxima L.)

Cited by 19 publications

References 58 publications

Reproduction, olfaction and dominance behaviour in Senegalese sole (Solea senegalensis)

Reproduction, olfaction and dominance behaviour in Senegalese sole (Solea senegalensis)

Quantitative analysis of crypt cell population during postnatal development of the olfactory organ of the guppy, Poecilia reticulata (Teleostei, Poecilidae), from birth to sexual maturity

Odorant tuning of olfactory crypt cells from juvenile and adult rainbow trout

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