Pectin Synthesis and Pollen Tube Growth in
Golgi apparatus
cell wall
galacturonosyltransferase
homogalacturonan
male gametophyte
pollen
Journal
Frontiers in plant science
ISSN: 1664-462X
Titre abrégé: Front Plant Sci
Pays: Switzerland
ID NLM: 101568200
Informations de publication
Date de publication:
2020
2020
Historique:
received:
21
07
2020
accepted:
31
08
2020
entrez:
19
10
2020
pubmed:
20
10
2020
medline:
20
10
2020
Statut:
epublish
Résumé
The major cell wall pectic glycan homogalacturonan (HG) is crucial for plant growth, development, and reproduction. HG synthesis occurs in the Golgi and is catalyzed by members of the galacturonosyltransferase (GAUT) family with GAUT1 being the archetypal and best studied family member. In Arabidopsis suspension culture cells and tobacco leaves, the Golgi localization of Arabidopsis GAUT1 has been shown to require protein-protein interactions with its homolog GAUT7. Here we show that in pollen tubes GAUT5 and GAUT6, homologs of GAUT7, also target GAUT1 to the Golgi apparatus. Pollen tube germination and elongation in double homozygous knock-out mutants (
Identifiants
pubmed: 33072156
doi: 10.3389/fpls.2020.585774
pmc: PMC7533613
doi:
Types de publication
Journal Article
Langues
eng
Pagination
585774Informations de copyright
Copyright © 2020 Lund, Stenbæk, Atmodjo, Rasmussen, Moller, Erstad, Biswal, Mohnen, Mravec and Sakuragi.
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