Which specific peptide, ARFEELNMDLFR, originating from the broccoli stem, demonstrates what particular beneficial action?
Answer
Membrane-disrupting antimicrobial action
Among the specialized molecules identified in broccoli by-products are specific Antimicrobial Peptides (AMPs) like ARFEELNMDLFR, which is sourced from the stem tissue. This particular peptide’s known mechanism of action involves directly disrupting the structural integrity of microbial cell membranes. By damaging the outer boundary of bacteria or fungi, ARFEELNMDLFR causes cellular contents to leak, leading to microbial death. This membrane-disrupting capability contrasts with some other identified peptides, such as SIWYGPDRP, which focuses more on anti-inflammatory effects by inhibiting signaling molecules like TNF-α.
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