Editing Vanadium (section)

=== Fungi ===
''[[Amanita muscaria]]'' and related species of macrofungi accumulate vanadium (up to 500&nbsp;mg/kg in dry weight). Vanadium is present in the [[coordination complex]] [[amavadin]]<ref>{{cite journal |last1=Kneifel |first1=Helmut |last2=Bayer |first2=Ernst |date=June 1973 |title=Determination of the Structure of the Vanadium Compound, Amavadine, from Fly Agaric |journal=Angewandte Chemie International Edition in English |volume=12 |issue=6 |pages=508 |doi=10.1002/anie.197305081}}</ref> in fungal fruit-bodies. The biological importance of the accumulation is unknown.<ref>{{cite journal |last1=Falandysz |first1=J. |last2=Kunito |first2=T. |last3=Kubota |first3=R. |last4=Lipka |first4=K. |last5=Mazur |first5=A. |last6=Falandysz |first6=Justyna J. |last7=Tanabe |first7=S. |date=31 August 2007 |title=Selected elements in fly agaric Amanita muscaria |journal=Journal of Environmental Science and Health, Part A |volume=42 |issue=11 |pages=1615–1623 |doi=10.1080/10934520701517853 |pmid=17849303 |bibcode=2007JESHA..42.1615F |s2cid=26185534}}</ref><ref>{{cite journal |last1=Berry |first1=Robert E. |last2=Armstrong |first2=Elaine M. |last3=Beddoes |first3=Roy L. |last4=Collison |first4=David |last5=Ertok |first5=S. Nigar |last6=Helliwell |first6=Madeleine |last7=Garner |first7=C. David |date=15 March 1999 |title=The Structural Characterization of Amavadin |journal=Angewandte Chemie |volume=38 |issue=6 |pages=795–797 |doi=10.1002/(SICI)1521-3773(19990315)38:6<795::AID-ANIE795>3.0.CO;2-7 |pmid=29711812|doi-access=free }}</ref> Toxic or [[peroxidase]] enzyme functions have been suggested.<ref name="da Silva Fraústo 2013">{{cite journal |last1=da Silva |first1=José A.L. |last2=Fraústo da Silva |first2=João J.R. |last3=Pombeiro |first3=Armando J.L. |date=August 2013 |title=Amavadin, a vanadium natural complex: Its role and applications |journal=Coordination Chemistry Reviews |volume=257 |issue=15–16 |pages=2388–2400 |doi=10.1016/j.ccr.2013.03.010}}</ref>