Symbiontâmediated chemical defense in the invasive ladybird Harmonia axyridis
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DOI: 10.1002/ece3.4840
Abstract: The volatile alkylpyrazines methyl- and methoxypyrazines (MPs) present in the reflex bleeds of coccinellid beetles such as the harlequin ladybird beetle Harmonia axyridis are important semiochemicals that function in antipredatory defense behavior. Pyrazines have also… read more here.
Keywords: harmonia axyridis; defense; symbiont mediated; mediated chemical ... See more keywords
Silica gel-mediated chemical degradation of dimeric pyranonaphthoquinones into their monomeric units
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DOI: 10.1039/d3nj01957h
Abstract: We present herein the chemical degradation of dimethyl uroleuconaphins A2 and B2 mediated by silica gel. The reaction promoted carbonâcarbon bond cleavage of the dimeric structure, resulting in the monomeric... read more here.
Keywords: degradation dimeric; mediated chemical; chemical degradation; gel mediated ... See more keywords