期刊
ISME JOURNAL
卷 3, 期 7, 页码 870-872出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ismej.2009.38
关键词
manipulation; cheating; cooperation; evolutionary conflict
资金
- National Science Foundation [0514464]
- NSF graduate research fellowship
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [0514464] Funding Source: National Science Foundation
Legume sanctions against rhizobia that fix less nitrogen should exert a strong selection for more beneficial genotypes of rhizobia, but strains providing little host benefit are common. One reason may be that some rhizobia chemically manipulate the host, undermining the efficacy of sanctions. Here we show that the ethylene inhibitor, rhizobitoxine (Rtx), is an example of such a manipulation. Rtx-producing rhizobia decreased legume growth, but benefited relative to an isogenic, non-producing strain on the same plant by accumulating 47% more of the storage lipid poly-3-hydroxybutyrate (PHB). The ISME Journal (2009) 3, 870-872; doi: 10.1038/ismej.2009.38; published online 9 April 2009
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