MMN medium

{{Short description|Agar media}}

MMN medium or Modified Melin-Norkrans medium is a type of agar growth medium, used to grow cultures of mycorrhizal fungi, such as Boletus edulis and Tricholoma matsutake.{{Cite journal |last1=Águeda |first1=Beatriz |last2=Parladé |first2=Javier |last3=Fernández-Toirán |first3=Luz Marina |last4=Cisneros |first4=Óscar |last5=de Miguel |first5=Ana María |last6=Modrego |first6=María Pilar |last7=Martínez-Peña |first7=Fernando |last8=Pera |first8=Joan |date=October 2008 |title=Mycorrhizal synthesis between Boletus edulis species complex and rockroses (Cistus sp.) |url=http://link.springer.com/10.1007/s00572-008-0192-3 |journal=Mycorrhiza |language=en |volume=18 |issue=8 |pages=443–449 |doi=10.1007/s00572-008-0192-3 |pmid=18695982 |bibcode=2008Mycor..18..443A |s2cid=11233267 |issn=0940-6360|url-access=subscription }}{{Cite journal |last1=Mediavilla |first1=Olaya |last2=Olaizola |first2=Jaime |last3=Santos-del-Blanco |first3=Luis |last4=Oria-de-Rueda |first4=Juan Andrés |last5=Martín-Pinto |first5=Pablo |date=February 2016 |title=Mycorrhization between Cistus ladanifer L. and Boletus edulis Bull is enhanced by the mycorrhiza helper bacteria Pseudomonas fluorescens Migula |url=http://link.springer.com/10.1007/s00572-015-0657-0 |journal=Mycorrhiza |language=en |volume=26 |issue=2 |pages=161–168 |doi=10.1007/s00572-015-0657-0 |pmid=26208816 |bibcode=2016Mycor..26..161M |s2cid=254061088 |issn=0940-6360|url-access=subscription }}{{Cite journal |last1=Islam |first1=Ferzana |last2=Ohga |first2=Shoji |date=2013-03-12 |title=Effects of Media Formulation on the Growth and Morphology of Ectomycorrhizae and Their Association with Host Plant |journal=International Scholarly Research Notices |language=en |volume=2013 |pages=e317903 |doi=10.1155/2013/317903|doi-access=free }}{{Cite web |last1=Chaitali Bhattacharya |last2=Alok Adholeya |title=Showcasing Ectomycorrhizal Culture |url=https://bookstore.teri.res.in/e_issue_text_1.php?oj_id=200§or=615 |access-date=2023-02-04 |website=bookstore.teri.res.in}}{{Cite book |last1=Declerck |first1=Stéphane |url=https://books.google.com/books?id=FE7PAd_1YEsC&dq=mmn+medium&pg=PA259 |title=In Vitro Culture of Mycorrhizas |last2=Strullu |first2=D. G. |last3=Fortin |first3=André |date=2005-04-13 |publisher=Springer Science & Business Media |isbn=978-3-540-24027-3 |pages=259 |language=en}} It was first described by DH. Marx in The influence of ectotrophic mycorrhizal fungi on the resistance of pine roots to pathogenic infections. I. Antagonism of mycorrhizal fungi to root pathogenic fungi and soil bacteria in 1969. The acidic pH (5.6) of MMN agar inhibits bacterial growth.