Nicole Matschiavelli

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Methanogenesis, the biological production of methane, is the sole means for energy conservation for methanogenic archaea. Among the few methanogens shown to grow on carbon monoxide (CO) is Methanosarcina acetivorans, which produces, beside methane, acetate and formate in the process. Since CO-dependent methanogenesis proceeds via formation of(More)
When Methanosarcina acetivorans grows on carbon monoxide (CO), it synthesizes high levels of a protein, MA4079, homologous to aldehyde dehydrogenases. To investigate the role of MA4079 in M. acetivorans, mutants lacking the encoding gene were generated and phenotypically analyzed. Loss of MA4079 had no effect on methylotrophic growth but led to complete(More)
The use of reporter gene fusions to assess cellular processes such as protein targeting and regulation of transcription or translation is established technology in archaeal, bacterial, and eukaryal genetics. Fluorescent proteins or enzymes resulting in chromogenic substrate turnover, like β -galactosidase, have been particularly useful for microscopic and(More)
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