Mesophyll porosity is modulated by the presence of functional stomata.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
27 06 2019
27 06 2019
Historique:
received:
22
11
2018
accepted:
03
06
2019
entrez:
29
6
2019
pubmed:
30
6
2019
medline:
4
9
2019
Statut:
epublish
Résumé
The formation of stomata and leaf mesophyll airspace must be coordinated to establish an efficient and robust network that facilitates gas exchange for photosynthesis, however the mechanism by which this coordinated development occurs remains unclear. Here, we combine microCT and gas exchange analyses with measures of stomatal size and patterning in a range of wild, domesticated and transgenic lines of wheat and Arabidopsis to show that mesophyll airspace formation is linked to stomatal function in both monocots and eudicots. Our results support the hypothesis that gas flux via stomatal pores influences the degree and spatial patterning of mesophyll airspace formation, and indicate that this relationship has been selected for during the evolution of modern wheat. We propose that the coordination of stomata and mesophyll airspace pattern underpins water use efficiency in crops, providing a target for future improvement.
Identifiants
pubmed: 31249299
doi: 10.1038/s41467-019-10826-5
pii: 10.1038/s41467-019-10826-5
pmc: PMC6597550
doi:
Substances chimiques
Gases
0
Water
059QF0KO0R
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2825Subventions
Organisme : RCUK | Biotechnology and Biological Sciences Research Council (BBSRC)
ID : BB/J004065/
Pays : International
Organisme : RCUK | Biotechnology and Biological Sciences Research Council (BBSRC)
ID : BB/J014443
Pays : International
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