bHLH heterodimer complex variations regulate cell proliferation activity in the meristems of
Biological sciences
Molecular plant pathology
Natural sciences
Plant biology
Journal
iScience
ISSN: 2589-0042
Titre abrégé: iScience
Pays: United States
ID NLM: 101724038
Informations de publication
Date de publication:
18 Nov 2022
18 Nov 2022
Historique:
received:
15
10
2021
revised:
08
08
2022
accepted:
12
10
2022
entrez:
7
11
2022
pubmed:
8
11
2022
medline:
8
11
2022
Statut:
epublish
Résumé
Root, shoot, and lateral meristems are the main regions of cell proliferation in plants. It has been proposed that meristems might have evolved dedicated transcriptional networks to balance cell proliferation. Here, we show that basic helix-loop-helix (bHLH) transcription factor heterodimers formed by members of the TARGET OF MONOPTEROS5 (TMO5) and LONESOME HIGHWAY (LHW) subclades are general regulators of cell proliferation in all meristems. Yet, genetics and expression analyses suggest specific functions of these transcription factors in distinct meristems, possibly due to their expression domains determining heterodimer complex variations within meristems, and to a certain extent to the absence of some of them in a given meristem. Target gene specificity analysis for heterodimer complexes focusing on the
Identifiants
pubmed: 36339262
doi: 10.1016/j.isci.2022.105364
pii: S2589-0042(22)01636-4
pmc: PMC9626673
doi:
Types de publication
Journal Article
Langues
eng
Pagination
105364Informations de copyright
© 2022 The Authors.
Déclaration de conflit d'intérêts
The authors declare no competing interests.
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