Cell wall characteristics during sexual reproduction of Mougeotia sp. (Zygnematophyceae) revealed by electron microscopy, glycan microarrays and RAMAN spectroscopy.
Cell wall
Conjugation
Mougeotia
Sexual reproduction
Streptophyte
Zygospore
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:
11
02
2021
accepted:
23
04
2021
pubmed:
12
5
2021
medline:
18
1
2022
entrez:
11
5
2021
Statut:
ppublish
Résumé
Mougeotia spp. collected from field samples were investigated for their conjugation morphology by light-, fluorescence-, scanning- and transmission electron microscopy. During a scalarifom conjugation, the extragametangial zygospores were initially surrounded by a thin cell wall that developed into a multi-layered zygospore wall. Maturing zygospores turned dark brown and were filled with storage compounds such as lipids and starch. While M. parvula had a smooth surface, M. disjuncta had a punctated surface structure and a prominent suture. The zygospore wall consisted of a polysaccharide rich endospore, followed by a thin layer with a lipid-like appaerance, a massive electron dense mesospore and a very thin exospore composed of polysaccharides. Glycan microarray analysis of zygospores of different developmental stages revealed the occurrence of pectins and hemicelluloses, mostly composed of homogalacturonan (HG), xyloglucans, xylans, arabino-galactan proteins and extensins. In situ localization by the probe OG7-13
Identifiants
pubmed: 33974144
doi: 10.1007/s00709-021-01659-5
pii: 10.1007/s00709-021-01659-5
pmc: PMC8523461
doi:
Substances chimiques
Polysaccharides
0
Pectins
89NA02M4RX
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1261-1275Subventions
Organisme : Austrian Science Fund
ID : START Y-728-B16
Organisme : Austrian Science Fund
ID : I 1951-B16
Organisme : Austrian Science Fund FWF
ID : Y 728
Pays : Austria
Organisme : Villum Fonden
ID : 00023089
Organisme : Austrian Science Fund
ID : P 34181-B
Organisme : Austrian Science Fund FWF
ID : P 34181
Pays : Austria
Organisme : Austrian Science Fund FWF
ID : I 1951
Pays : Austria
Informations de copyright
© 2021. The Author(s).
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