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. 1987 Jul;84(13):4505–4508. doi: 10.1073/pnas.84.13.4505

Inhibition of development in Myxococcus xanthus by monoclonal antibody 1604.

J S Gill, B W Jarvis, M Dworkin
PMCID: PMC305118  PMID: 3110769

Abstract

Monoclonal antibody (mAb) 1604 is directed against a cell surface antigen of Myxococcus xanthus. Purified antibody 1604 inhibited development of M. xanthus under conditions of submerged culture procedure otherwise leading to fruiting body formation. Intact molecules of mAb 1604, as well as its Fab fragments, inhibited developmental aggregation, autolysis, fruiting body formation, and sporulation. The addition of relatively small amounts of antibody every 4 hr was much more effective than a single large dose given at the onset of development. The inhibitory action of mAb 1604 on development was reversible after prolonged incubation of the antibody with cells; this was probably due to proteolytic degradation of the antibody. The effect of mAb 1604 on submerged bacterial development was neutralized by affinity-purified 1604 cell surface antigen. Another antibody, mAb 2788, directed against an M. xanthus cell surface antigen, did not block development. These data suggest that 1604 cell surface antigens is involved in contact-mediated cell interactions in M. xanthus.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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