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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F09%3A00328268%21RIV10-MSM-61389030
rdf:type
n14:Vysledek skos:Concept
dcterms:description
Here, we report the first structural and proteomic data about large ribonucleoprotein particles (EPPs) in tobacco male gametophyte. These complexes are formed in immature pollen where they contain translationally silent mRNAs. Although massively activated at the early progamic phase, they also serve as a long-term storage of mRNA transported along with the translational machinery to the tip region. Moreover, EPPs were shown to contain ribosomal subunits, rRNAs and a set of mRNAs. Presented results extend our view of EPP complexes from mere RNA storage and transport compartment in particular stages of pollen development to the complex and well-organized machinery devoted to mRNA storage, transport and subsequent controlled activation resulting in protein synthesis, processing and precise localization. Moreover, presented complex role of EPPs in tobacco cytoplasmic mRNA and protein metabolism makes them likely to be active in another plant species too. Here, we report the first structural and proteomic data about large ribonucleoprotein particles (EPPs) in tobacco male gametophyte. These complexes are formed in immature pollen where they contain translationally silent mRNAs. Although massively activated at the early progamic phase, they also serve as a long-term storage of mRNA transported along with the translational machinery to the tip region. Moreover, EPPs were shown to contain ribosomal subunits, rRNAs and a set of mRNAs. Presented results extend our view of EPP complexes from mere RNA storage and transport compartment in particular stages of pollen development to the complex and well-organized machinery devoted to mRNA storage, transport and subsequent controlled activation resulting in protein synthesis, processing and precise localization. Moreover, presented complex role of EPPs in tobacco cytoplasmic mRNA and protein metabolism makes them likely to be active in another plant species too.
dcterms:title
Cytoskeleton-Associated Large RNP Complexes in Tobacco Male Gametophyte (EPPs) Are Associated with Ribosomes and Are Involved in Protein Synthesis, Processing, and Localization Cytoskeleton-Associated Large RNP Complexes in Tobacco Male Gametophyte (EPPs) Are Associated with Ribosomes and Are Involved in Protein Synthesis, Processing, and Localization
skos:prefLabel
Cytoskeleton-Associated Large RNP Complexes in Tobacco Male Gametophyte (EPPs) Are Associated with Ribosomes and Are Involved in Protein Synthesis, Processing, and Localization Cytoskeleton-Associated Large RNP Complexes in Tobacco Male Gametophyte (EPPs) Are Associated with Ribosomes and Are Involved in Protein Synthesis, Processing, and Localization
skos:notation
RIV/61389030:_____/09:00328268!RIV10-MSM-61389030
n3:aktivita
n6:P n6:Z
n3:aktivity
P(LC06004), P(OC08011), Z(AV0Z50380511), Z(AV0Z60220518), Z(MSM0021620858)
n3:cisloPeriodika
8
n3:dodaniDat
n5:2010
n3:domaciTvurceVysledku
n4:5468582 n4:6119115 n4:3853926 n4:5796415 n4:4739841
n3:druhVysledku
n10:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
308832
n3:idVysledku
RIV/61389030:_____/09:00328268
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Nicotiana tabacum; male gametophyte; pollen
n3:klicoveSlovo
n7:pollen n7:male%20gametophyte n7:Nicotiana%20tabacum
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[0C196836245E]
n3:nazevZdroje
Journal of Proteome Research
n3:obor
n17:EB
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
7
n3:projekt
n15:LC06004 n15:OC08011
n3:rokUplatneniVysledku
n5:2009
n3:svazekPeriodika
8
n3:tvurceVysledku
Čapková, Věra Nebesářová, Jana Dobrev, Petre Reňák, David Honys, David Feciková, Jana Jedelský, P. L.
n3:wos
000264928200040
n3:zamer
n11:MSM0021620858 n11:AV0Z50380511 n11:AV0Z60220518
s:issn
1535-3893
s:numberOfPages
17