| characterization of filamentous bacteriophage phi lf from xanthomonas campestris pv. campestris. | a filamentous phage, phi lf, which specifically infects xanthomonas campestris pv. campestris was isolated. the phage particle measured 1,000 (+/- 200) x 8 nm. it formed turbid plaques of about 1 mm in diameter. during multiplication, the progeny virions extruded into the medium without retarding host cell growth. stocks were stable for 6 months at 4 degrees c and survived treatment at 80 degrees c for 10 min. treatment with chloroform, ethanol or acetone completely destroyed infectivity; ethyl ... | 1990 | 2391505 |