Abstract
In order to understand the morphogenesis-inducing mechanism of Ulva pertusa by symbiotic bacteria, we observed the requisite conditions of bacteria for attachment to U. pertusa for algal morphogenesis. Non-morphogenesis-inducing bacterial mutants derived by ultraviolet irradiation did not attach onto the surface of this alga. Scanning electron microscopic observation during the process of morphogenesis in U. pertusa revealed a network-like structure formed on the algal surface within 1 week after application of bacteria. The bacteria attached onto the alga after 2 weeks of incubation. After this attachment process the morphologic change was observed in U. pertusa.
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Received August 7, 1997; accepted July 24, 1998.
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Nakanishi, K., Nishijima, M., Nomoto, A. et al. Requisite Morphologic Interaction for Attachment between Ulva pertusa (Chlorophyta) and Symbiotic Bacteria. Mar. Biotechnol. 1, 107–111 (1999). https://doi.org/10.1007/PL00011744
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DOI: https://doi.org/10.1007/PL00011744