| antimicrobial activity of pyrrocidines from acremonium zeae against endophytes and pathogens of maize. | acremonium zeae produces pyrrocidines a and b, which are polyketide-amino acid-derived antibiotics, and is recognized as a seedborne protective endophyte of maize which augments host defenses against microbial pathogens causing seedling blights and stalk rots. pyrrocidine a displayed significant in vitro activity against aspergillus flavus and fusarium verticillioides in assays performed using conidia as inoculum, with pyrrocidine a being more active than b. in equivalent assays performed with c ... | 2009 | 19055442 |