Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/95053
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dc.contributor.authorRamanujam, Ravikrishna.en
dc.contributor.authorYishi, Xu.en
dc.contributor.authorLiu, Hao.en
dc.contributor.authorNaqvi, Naweed Issak.en
dc.date.accessioned2013-02-21T07:03:21Zen
dc.date.accessioned2019-12-06T19:07:22Z-
dc.date.available2013-02-21T07:03:21Zen
dc.date.available2019-12-06T19:07:22Z-
dc.date.copyright2012en
dc.date.issued2012en
dc.identifier.citationRamanujam, R., Yishi, X., Liu, H., & Naqvi, N. I. (2012). Structure-function analysis of rgs1 in magnaporthe oryzae : role of DEP domains in subcellular targeting. PLoS ONE, 7(7).en
dc.identifier.issn1932-6203en
dc.identifier.urihttps://hdl.handle.net/10356/95053-
dc.description.abstractRgs1, a prototypical Regulator of G protein Signaling, negatively modulates the cyclic AMP pathway thereby influencing various aspects of asexual development and pathogenesis in the rice-blast fungus Magnaporthe oryzae. Rgs1 possesses tandem DEP motifs (termed DEP-A and DEP-B; for Dishevelled, Egl-10, Pleckstrin) at the N-terminus, and a Gα-GTP interacting RGS catalytic core domain at the C-terminus. In this study, we focused on gaining further insights into the mechanisms of Rgs1 regulation and subcellular localization by characterizing the role(s) of the individual domains and the full-length protein during asexual development and pathogenesis in Magnaporthe. Methodology/Principal Findings: Utilizing western blot analysis and specific antisera against the N- and C-terminal halves of Rgs1, we identify and report the in vivo endoproteolytic processing/cleavage of full-length Rgs1 that yields an N-terminal DEP and a RGS core domain. Independent expression of the resultant DEP-DEP half (N-Rgs1) or RGS core (C-Rgs1) fragments, failed to complement the rgs1Δ defects in colony morphology, aerial hyphal growth, surface hydrophobicity, conidiation, appressorium formation and infection. Interestingly, the full-length Rgs1-mCherry, as well as the tagged N-terminal DEP domains (individually or in conjunction) localized to distinct punctate vesicular structures in the cytosol, while the catalytic RGS core motif was predominantly vacuolar.en
dc.language.isoenen
dc.relation.ispartofseriesPLoS ONEen
dc.rights© 2012 The Authors.en
dc.titleStructure-function analysis of rgs1 in magnaporthe oryzae : role of DEP domains in subcellular targetingen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Biological Sciencesen
dc.identifier.doi10.1371/journal.pone.0041084en
dc.description.versionPublished versionen
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