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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F13%3A10195539%21RIV14-GA0-11310___
rdf:type
skos:Concept n10:Vysledek
dcterms:description
In a recent addendum, Oren Tzfadia and Gad Galili (PSB 2014; 9:e26732) showed that several Arabidopsis exocyst subunits possess consensus Atg8-interacting motifs (AIMs), which may mediate their interaction with the autophagy-associated Atg8 protein, providing thus a mechanistic base for participation of exocyst (sub)complexes in autophagy. However, the bioinformatically identified AIMs are short peptide motifs that may occur by chance. We thus performed an exhaustive search in a large collection of plant exocyst-derived sequences from our previous bioinformatic study and found that AIMs are over-represented among exocyst subunits of all lineages examined, including moss and club moss, compared with a representative sample of the Arabidopsis proteome. This is consistent with the proposed exocyst AIMs being biologically meaningful and evolutionarily ancient. Moreover, among the numerous EXO70 paralogs, the monocot-specific EXO70F clade appears to be exempt from the general AIM enrichment, suggesting a modification of the autophagy connection in a subset of exocyst variants. In a recent addendum, Oren Tzfadia and Gad Galili (PSB 2014; 9:e26732) showed that several Arabidopsis exocyst subunits possess consensus Atg8-interacting motifs (AIMs), which may mediate their interaction with the autophagy-associated Atg8 protein, providing thus a mechanistic base for participation of exocyst (sub)complexes in autophagy. However, the bioinformatically identified AIMs are short peptide motifs that may occur by chance. We thus performed an exhaustive search in a large collection of plant exocyst-derived sequences from our previous bioinformatic study and found that AIMs are over-represented among exocyst subunits of all lineages examined, including moss and club moss, compared with a representative sample of the Arabidopsis proteome. This is consistent with the proposed exocyst AIMs being biologically meaningful and evolutionarily ancient. Moreover, among the numerous EXO70 paralogs, the monocot-specific EXO70F clade appears to be exempt from the general AIM enrichment, suggesting a modification of the autophagy connection in a subset of exocyst variants.
dcterms:title
Old AIMs of the exocyst: evidence for an ancestral association of exocyst subunits with autophagy-associated Atg8 proteins Old AIMs of the exocyst: evidence for an ancestral association of exocyst subunits with autophagy-associated Atg8 proteins
skos:prefLabel
Old AIMs of the exocyst: evidence for an ancestral association of exocyst subunits with autophagy-associated Atg8 proteins Old AIMs of the exocyst: evidence for an ancestral association of exocyst subunits with autophagy-associated Atg8 proteins
skos:notation
RIV/00216208:11310/13:10195539!RIV14-GA0-11310___
n10:predkladatel
n11:orjk%3A11310
n5:aktivita
n16:P n16:I
n5:aktivity
I, P(GAP305/11/1629)
n5:cisloPeriodika
November
n5:dodaniDat
n12:2014
n5:domaciTvurceVysledku
n14:6879802 n14:9081186
n5:druhVysledku
n18:J
n5:duvernostUdaju
n20:S
n5:entitaPredkladatele
n19:predkladatel
n5:idSjednocenehoVysledku
93576
n5:idVysledku
RIV/00216208:11310/13:10195539
n5:jazykVysledku
n13:eng
n5:klicovaSlova
proteins; Atg8; autophagy-associated; with; subunits; exocyst; association; ancestral; for; evidence; AIMs; Old
n5:klicoveSlovo
n7:evidence n7:for n7:autophagy-associated n7:with n7:Old n7:association n7:ancestral n7:exocyst n7:proteins n7:AIMs n7:subunits n7:Atg8
n5:kodStatuVydavatele
NL - Nizozemsko
n5:kontrolniKodProRIV
[6A33D823A5E8]
n5:nazevZdroje
Plant Signaling and Behavior
n5:obor
n9:ED
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
2
n5:projekt
n15:GAP305%2F11%2F1629
n5:rokUplatneniVysledku
n12:2013
n5:svazekPeriodika
8
n5:tvurceVysledku
Žárský, Viktor Cvrčková, Fatima
s:issn
1559-2316
s:numberOfPages
3
n17:doi
10.4161/psb.27099
n6:organizacniJednotka
11310