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Subfunctionalization of Sigma Factors during the Evolution of Land Plants Based on Mutant Analysis of Liverwort (Marchantia polymorpha L.) MpSIG1

Ueda, M., et al. · 2013 · Genome Biology and Evolution   research

doi:10.1093/gbe/evt137   PMID:24025801   PMC3814195

Linked genes (3)  2 core 1 peripheral

Gene ID	Name	Evidence / Role	Function (this paper)
Mp7g15030	MpSIG1	experimental subject	Plastid sigma factor; the Mpsig1 knockout mutant was analyzed. Loss of MpSIG1 is partly complemented by MpSIG2 and MpSIG5; used to infer the ancestral SIG1 function and subfunctionalization of sigma factors in land plants. (GenBank AB621976)
Mp4g13380	MpSIG2	experimental subject	Plastid sigma factor; MpSIG2-overexpressing plants were analyzed and partly complement the Mpsig1 mutant, supporting sigma-factor subfunctionalization. (GenBank AB621977)
Mp3g02240	MpSIG5	experimental comparator	Plastid sigma factor that, together with MpSIG2, may complement loss of MpSIG1 in the mutant. (GenBank AB621978)