[Elsevier] The dynamics of cyanide defences in the life cycle of an aposematic butterfly: Biosynthesis versus sequestration

sperez11 Post time 1 hour(s) ago | Show all posts |Read mode
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    Mature adults of Heliconius melpomene have more cyanogenic glucosides than any other developmental stages.
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    Cyanogenic glucoside biosynthesis increases during adulthood and correlates with expression of the three HmCYP405A genes.
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    H. melpomene larvae can sequester not only cyclopentenyl, but also aliphatic and aromatic cyanogenic glucosides from Passiflora.
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    Sequestration was not detected in larvae raised on P. caerulea, which contains sulfonated cyanogenic glucosides.




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