Distribution of thyrotropin‐releasing hormone immunoreactivity in the brain of larval and adult sea lampreys, <i>Petromyzon marinus</i> L.

Andrés, María C. de; Anadón, Ramón; Manso, Marı́a Jesús; González, Marı́a José

doi:10.1002/cne.10385

Cited by 20 publications

(2 citation statements)

References 84 publications

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“…The chapter contains an extensive list of the localisation of neurotransmitters and other neuronal substances in the lamprey brain. More recent data on brain neurochemical distribution, proliferation and connectivity, or data not mentioned in this list, include the work of (Abalo et al 2005;Auclair et al 2004;de Arriba Mdel and Pombal 2007;de Miguel et al 1990;Del Carmen De Andres et al 2002;Frontini et al 2003;Gonzalez et al 1999;Laframboise et al 2007;Melendez-Ferro et al 2002a, 2002bMenard et al 2007;Osorio et al 2006;PerezCostas et al 2002PerezCostas et al , 2004Pflieger and Dubuc 2004;PierreSimons et al 2002;Pombal et al 1997aPombal et al , 1997bPombal et al , 2001Robertson et al 2006Robertson et al , 2007Root et al 2005;Vidal Pizarro et al 2004;Villar-Cheda et al 2002, 2006Weigle and Northcutt 1999). Neuronal phenotype distribution and fibre connectivity in the lamprey brain have also been reviewed by Wullimann and Vernier (2006).…”

Section: The Lamprey Brain: Adult Featuresmentioning

confidence: 96%

The lamprey in evolutionary studies

2008

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Lampreys are a key species to study the evolution of morphological characters at the dawn of Craniates and throughout the evolution of the craniate's phylum. Here, we review a number of research fields where studies on lampreys have recently brought significant and fundamental insights on the timing and mechanisms of evolution, on the amazing diversification of morphology and on the emergence of novelties among Craniates. We report recent example studies on neural crest, muscle and the acquisition of jaws, where important technical advancements in lamprey developmental biology have been made (morpholino injections, protein-soaked bead applications or even the first transgenesis trials). We describe progress in the understanding and knowledge about lamprey anatomy and physiology (skeleton, immune system and buccal secretion), ecology (life cycle, embryology), phylogeny (genome duplications, monophyly of cyclostomes), paleontology, embryonic development and the beginnings of lamprey genomics. Finally, in a special focus on the nervous system, we describe how changes in signaling, neurogenesis or neuronal migration patterns during brain development may be at the origin of some important differences observed between lamprey and gnathostome brains.

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Section: The Lamprey Brain: Adult Featuresmentioning

confidence: 96%

The lamprey in evolutionary studies

2008

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“…Even though the two genera, Petromyzon and Lampetra, show many morphological and physiological similarities, a few differences remain [10,11]. In addition, in south Europe and North America, P. marinus is more easily accessible and some groups of scientists study the lamprey nervous system using P. marinus as a model [12][13][14][15][16][17][18][19][20], but cranial nerve anatomical data in the early developmental stages of this species are lacking. In spite of the previous study on the Pacific lamprey, a comparative analysis between the early development of cranial nerves in lampreys and in other vertebrates has not yet been carried out.…”

Section: Introductionmentioning

confidence: 99%

Early Development of the Cranial Nerves in a Primitive Vertebrate, the Sea Lamprey, Petromyzon Marinus L.~!2008-08-19~!2008-09-30~!2008-10-24~!

Barreiro‐Iglesias¹,

Gomez-Lopez²,

Anadón³

et al. 2010

TOZJ

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The early development of the cranial nerves of the sea lamprey, Petromyzon marinus L., was studied in embryos and early prolarvae by immunocytochemical techniques with the marker for post-mitotic neurons acetylatedtubulin. The trigeminal and facial nerves were first observed in embryos 9 days post fertilisation. The glossopharyngeal and vagal nerves appeared later, which indicates a rostrocaudal gradient in differentiation of branchiomeric nerves. The anterior and posterior lateral line, octaval and hypoglossal nerves also appeared in early developmental stages, but the ocular motor nerves were not observed in prolarvae. The present results indicate that, in comparison with cranial nerves and ganglia organisation reported in larval and adult lampreys, organisational changes occur in the cranial nerves between the prolarval and larval stages. One important change is the disappearance of the pharyngeal branch of the facial nerve, which was not previously reported to be present in larval and adult lampreys, whereas it had been observed in earlier developmental stages. Comparison of the present results with those from studies carried out in other vertebrate species, including the Japanese lamprey, suggests that the developmental pattern of the cranial nerves is conserved in agnathans and differs from that reported in other vertebrate groups. As maturation of lamprey eyes and extraocular muscles is completed at metamorphosis, there appears to be a correlation between the late development of eye-related cranial nerves in lampreys and the anatomical structures that they innervate.

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Cell proliferation in the forebrain and midbrain of the sea lamprey

Villar-Cheda

Pérez-Costas

Meléndez-Ferro

et al. 2005

J of Comparative Neurology

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Cell proliferation in the forebrain and midbrain of the sea lamprey (Petromyzon marinus L.) was investigated by proliferation cell nuclear antigen (PCNA) immunocytochemistry, with BrdU labeling as a complementary technique. Correspondence between proliferation regions and areas of early neuronal differentiation was also assessed using antibodies against HNK-1 early differentiation marker. The brain of late embryos shows a homogeneously thick ventricular zone (VZ) containing PCNA-immunoreactive (PCNA-ir) nuclei. In early prolarvae, several discontinuities formed by PCNA-negative cells, and differences among regions in VZ thickness, become apparent. In late prolarvae and early larvae, these differences in VZ thickness and appearance, as well as the presence of PCNA-negative discontinuities, allowed us to correlate proliferation domains and neuroanatomical regions. In larvae, the number of PCNA-ir cells in the VZs diminish gradually, although a few PCNA-ir cells are present in the ependyma of most regions. In late larvae, proliferation becomes confined to a few ventricular areas (medial pallium, caudal habenula, ventral preoptic recess near the optic nerve, and tuberal portion of the posterior hypothalamic recess). During metamorphosis there appears to be no proliferation, but in upstream adults a few PCNA-ir cells are observed in the most caudal habenula. The characteristics of the proliferative regions revealed in lamprey with PCNA immunocytochemistry show notable differences from those observed in other vertebrates, and these differences may be related to the peculiar life cycle of lampreys.

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Distribution of thyrotropin‐releasing hormone immunoreactivity in the brain of larval and adult sea lampreys, Petromyzon marinus L.

Cited by 20 publications

References 84 publications

The lamprey in evolutionary studies

The lamprey in evolutionary studies

Early Development of the Cranial Nerves in a Primitive Vertebrate, the Sea Lamprey, Petromyzon Marinus L.~!2008-08-19~!2008-09-30~!2008-10-24~!

Cell proliferation in the forebrain and midbrain of the sea lamprey

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