Journal
CURRENT OPINION IN GENETICS & DEVELOPMENT
Volume 69, Issue -, Pages 1-5Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.gde.2020.11.009
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- Netherlands Organization for Scientific Research NWO [ALWOP.386]
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Recent technical innovations have revealed surprising patterns in mollusc shell pigmentation, with slow progress in elucidating the molecular genetic basis. The old field of evolutionary ecology of shell pigmentation allows for the analysis of large-geographic-scale patterns and experimental field studies to play a greater role in understanding this complex topic.
Recent technical innovations are revealing surprising patterns in mollusc shell pigmentation, such as an unexpectedly modest role for melanins and rapid divergences in the mix of pigments used to achieve similar colour patterns. The elucidation of the molecular genetic basis of shell pigmentation has been slow, probably because of the high genome complexity of gastropods and bivalves. Recent work within the old field of evolutionary ecology of shell pigmentation allows a greater role for the analysis of large-geographic-scale patterns (sometimes employing citizen-science data), as well as experimental field studies. However, the field remains dominated by land snails as model organisms, while colour pattern evolution in marine gastropods and bivalves, particularly those not exposed to visual predators, remains mysterious.
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