Raman imaging of Micrasterias: new insights into shape formation.
Barite
Cell division
Cell wall
Cellulose
Confocal Raman microscopy
Micrasterias
Pectin
Journal
Protoplasma
ISSN: 1615-6102
Titre abrégé: Protoplasma
Pays: Austria
ID NLM: 9806853
Informations de publication
Date de publication:
Nov 2021
Nov 2021
Historique:
received:
06
04
2021
accepted:
24
06
2021
pubmed:
23
7
2021
medline:
18
1
2022
entrez:
22
7
2021
Statut:
ppublish
Résumé
The algae Micrasterias with its star-shaped cell pattern is a perfect unicellular model system to study morphogenesis. How the indentations are formed in the primary cell wall at exactly defined areas puzzled scientists for decades, and they searched for chemical differences in the primary wall of the extending tips compared to the resting indents. We now tackled the question by Raman imaging and scanned in situ Micrasterias cells at different stages of development. Thousands of Raman spectra were acquired from the mother cell and the developing semicell to calculate chemical images based on an algorithm finding the most different Raman spectra. Each of those spectra had characteristic Raman bands, which were assigned to molecular vibrations of BaSO
Identifiants
pubmed: 34292402
doi: 10.1007/s00709-021-01685-3
pii: 10.1007/s00709-021-01685-3
pmc: PMC8523415
doi:
Substances chimiques
Pectins
89NA02M4RX
Cellulose
9004-34-6
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1323-1334Subventions
Organisme : Austrian Science Fund FWF
ID : Y 728
Pays : Austria
Organisme : H2020 European Research Council
ID : 681885
Organisme : Austrian Science Fund
ID : Y-728-B16
Informations de copyright
© 2021. The Author(s).
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