TY - RPRT TI - Nitrogen-Responsive Extracellular Proteomics Reveals Evidence for a Novel Heterocyst-Specific Protein Secretion Pathway in Anabaena AU - Nawaz, T. AU - He, P. AU - Gu, L. AU - Young, J. AU - Zhou, R. PY - 2026 DO - 10.64898/2026.06.08.730779 UR - https://www.biorxiv.org/content/10.64898/2026.06.08.730779v1 ID - 10.64898/2026.06.08.730779 ER -