PAP8/pTAC6 Is Part of a Nuclear Protein Complex and Displays RNA Recognition Motifs of Viral Origin.
Arabidopsis
PAP8/pTAC6
PEP/PAPs
RNA recognition motif
biogenesis
chloroplast
Journal
International journal of molecular sciences
ISSN: 1422-0067
Titre abrégé: Int J Mol Sci
Pays: Switzerland
ID NLM: 101092791
Informations de publication
Date de publication:
11 Mar 2022
11 Mar 2022
Historique:
received:
31
01
2022
revised:
09
03
2022
accepted:
09
03
2022
entrez:
25
3
2022
pubmed:
26
3
2022
medline:
9
4
2022
Statut:
epublish
Résumé
Chloroplast biogenesis depends on a complex transcriptional program involving coordinated expression of plastid and nuclear genes. In particular, photosynthesis-associated plastid genes are expressed by the plastid-encoded polymerase (PEP) that undergoes a structural rearrangement during chloroplast formation. The prokaryotic-type core enzyme is rebuilt into a larger complex by the addition of nuclear-encoded PEP-associated proteins (PAP1 to PAP12). Among the PAPs, some have been detected in the nucleus (PAP5 and PAP8), where they could serve a nuclear function required for efficient chloroplast biogenesis. Here, we detected PAP8 in a large nuclear subcomplex that may include other subunits of the plastid-encoded RNA polymerase. We have made use of PAP8 recombinant proteins in
Identifiants
pubmed: 35328480
pii: ijms23063059
doi: 10.3390/ijms23063059
pmc: PMC8954402
pii:
doi:
Substances chimiques
Arabidopsis Proteins
0
Nuclear Proteins
0
DNA-Directed RNA Polymerases
EC 2.7.7.6
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Agence Nationale de la Recherche
ID : ANR-17-CE11-0031-02
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