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Title

Pigment patterns in adult fish result from superimposition of two largely independent pigmentation mechanisms

AuthorsCeinos, Rosa M. ; Guillot, Raúl ; Kelsh, Robert N.; Cerdá-Reverter, José Miguel ; Rotllant, Josep
KeywordsAgouti
Pigment pattern formation
Asip1
Dct
Yrp1b
Xdh
Ltk
Mitfa
Melanophore
Melanocyte
Iridophore
Chromatophore
Transgenic
Zebrafish
Issue Date2015
PublisherJohn Wiley & Sons
CitationPigment Cell and Melanoma Research 28(2): 196-209 (2015)
AbstractDorso-ventral pigment pattern differences are the most widespread pigmentary adaptations in vertebrates. In mammals, this pattern is controlled by regulating melanin chemistry in melanocytes using a protein, agouti-signalling peptide (ASIP). In fish, studies of pigment patterning have focused on stripe formation, identifying a core striping mechanism dependent upon interactions between different pigment cell types. In contrast, mechanisms driving the dorso-ventral countershading pattern have been overlooked. Here, we demonstrate that, in fact, zebrafish utilize two distinct adult pigment patterning mechanisms – an ancient dorso-ventral patterning mechanism, and a more recent striping mechanism based on cell–cell interactions; remarkably, the dorso-ventral patterning mechanism also utilizes ASIP. These two mechanisms function largely independently, with resultant patterns superimposed to give the full pattern
Description5 figuras, 14 páginas
Publisher version (URL)http://dx.doi.org/10.1111/pcmr.12335
URIhttp://hdl.handle.net/10261/111801
DOI10.1111/pcmr.12335
ISSN1755-1471
E-ISSN1755-148X
Appears in Collections:(IIM) Artículos
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