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Morphological observation and identification of the alginate lyase production ability of strain HZ11. (A) Colony morphology. (B) Gram staining (1000×). (C) Scanning electron microscope image (10,000×). (D) Growth state of strain HZ11 on a marine basal culture medium plate containing 0.5% alginate, with a transparent hydrolysis zone around the colony after treatment with 1 M calcium chloride solution.
