Progesterone Promotes Mitochondrial Respiration at the Biochemical and Molecular Level in Germinating Maize Seeds
Open accessAbstract
This research aimed to investigate the effects of progesterone, a mammalian steroid sex hormone, on the mitochondrial respiration in germinating maize seeds. For this purpose, maize seeds were divided into four different groups (control, 10−6, 10−8, and 10−10 mol·L−1 progesterone) and were grown in a germination cabinet in the dark at 24.5 ± 0.5 °C for 4 d. The changes in gene expression levels of citrate synthase (CS), cytochrome oxidase (COX19), pyruvate dehydrogenase (Pdh1), and ATP synthase (ATP6), which is involved in mitochondrial respiration, were studied in root and cotyledon tissues. Significant increases were recorded in the gene expression levels of all studied enzymes. In addition, progesterone applications stimulated activities of malate synthase (MS), isocitrate lyase (ICL), and alpha-amylase, which are important enzymes of the germination step. The changes in gene expression levels of mas1 and icl1 were found parallel to the rise in these enzymes’ activities. It was determined similar increases in root and coleoptile lengths and total soluble protein and total carbohydrate contents. The most remarkable changes were detected in 10−8 mol·L−1 progesterone-treated seedlings. These results clearly indicate that progesterone stimulates mitochondrial respiration by inducing biochemical and molecular parameters and thus accelerates seed germination thanks to the activation of other pathways related to mitochondrial respiration.
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Progesterone stimulates germination in maize (Zea mais).
“progesterone stimulates germination in maize (Zea mais; [51])”
From Ecdysteroids (2021) · cites this paper as [51]
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- Authors
- Turk, H.
- Affiliations
- East Anatolian High Technology Application and Research Center, Ataturk University, Erzurum 25240, Turkey
- ORCID
- Turk, Hulya
- Venue
- Plants
- Publisher
- MDPI AG
- Published
- 2021-06-29
- Volume
- 10
- Issue
- 7
- Pages
- 1326
- ISSN
- 2223-7747 (ISSN-L)
- PMC
- PMC8309107
- OpenAlex
- W3175683036
- Cited by
- 16
- References
- 31
- Citations by year
- 2026: 1 · 2025: 4 · 2024: 1 · 2023: 2 · 2022: 6 · 2021: 2
- FWCI
- 2.41
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Plants (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Seed Germination and Physiology
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Growth Enhancement Techniques
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Keywords
- progesterone, mitochondrial respiration, seed germination, maize seeds, citrate synthase, cytochrome c oxidase, pyruvate dehydrogenase, ATP synthase, malate synthase, isocitrate lyase, alpha-amylase, gene expression, root growth, coleoptile elongation, soluble protein, carbohydrates
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