FIG. 1.

Collection locations of luminous strains screened for horizontal transfer of lux genes. Collection locations are as follows: (a) Hawaii; (b) Alaska; (c) Manzanita, OR; (d) Pacific Ocean off the coast of northern California; (e) Guaymas Basin, Gulf of California; (f) western Pacific Ocean at 21°N; (g) Cancun, Mexico; (h) Galveston, TX; (i) Woods Hole, MA; (j) Fort Lauderdale and Atlantic Ocean off the coast of Florida; (k) Dominican Republic; (l) Caracasbaai, Curacao; (m) José Ignacio, Uruguay; (n) North Atlantic; (o) North Sea; (p) Oslo Harbor, Norway; (q) Il de Bendor, Provence, France; (r) Adriatic Sea; (s) Habonim Beach, Israel; (t) Cape Town, South Africa; (u) Madagascar; (v) Tigbauan, Panay, and Sangat Island, Palawan, Philippines; (w) Tungkang, Taiwan; (x) Nakagusuku Bay and Sesoko Island, Okinawa, Japan; (y) Ago Bay, Honshu, Japan; and (z) Suruga Bay, Honshu, Japan. Species, number of strains, and (in parentheses) letter designations of the locations from which each species was collected are as follows: A. fischeri, nine (h, x, z); Aliivibrio logei, eight (i); P. damselae, one (x); Photobacterium kishitanii, 14 (a, e, j, q, t, z); P. leiognathi, 13 (j, v, x, y, z); P. mandapamensis, 51 (g, j, w, x, z); Photobacterium phosphoreum, 20 (b, d, n, o, r); V. chagasii, two (f, z); V. cholerae, 17 (c); V. harveyi, 166 (c, e, f, g, h, k, l, m, p, q, s, u, v, w, x, y, z); Vibrio orientalis, two (h). Also, see Table 1 for collection information for V. vulnificus (11 strains) and for strains of light-organ symbiotic P. mandapamensis (three strains).