Applied and Environmental Microbiology71(11),7245–7252(2005), DOI10.1128/AEM.71.11.7245-7252.2005. Primary byline Abdoulaye Sy. Abstract and Figures1–3 compare wild type/methylotrophy mutants, competitive versus single inoculation; Figure1 distinguishes formaldehyde oxidation and assimilation. Full text pmc.ncbi.nlm.nih.gov/articles/PMC1287603/ .