PIGMENTATION AND TAXONOMY OF THE GENUS XANTHOMONAS
AUTOR(ES)
Starr, Mortimer P.
RESUMO
Starr, Mortimer P. (University of California, Davis), and William L. Stephens. Pigmentation and taxonomy of the genus Xanthomonas. J. Bacteriol. 87:293–302. 1964.—The colonies formed by phytopathogenic bacteria of the genus Xanthomonas are typically yellow in color. This chromogenesis stems from the presence in all yellow xanthomonads of a particular carotenoid pigment. This unique “Xanthomonas-carotenoid,” which has not been found in any yellow nonxanthomonad, is characterized herein to the extent required for its recognition by relatively simple screening procedures. In general, the occurrence of a carotenoid “alcohol” with absorption maxima at 418, 437, and 463 mμ (petroleum ether)—in a gram-negative, polarly-flagellated, oxidative, rod-shaped bacterium—would suggest placement of that microorganism in the genus Xanthomonas.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=277006Documentos Relacionados
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