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Mammalian Steroid Hormones, Ecdysteroids, and Brassinosteroids: Presence, Activity, and Receptors...
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Mammalian Steroid Hormones, Ecdysteroids, and Brassinosteroids: Presence, Activity, and Receptors in Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 9522

Special Issue Editor

Dr. Anna Janeczko

E-Mail Website1 Website2
Guest Editor
Polish Academy of Sciences, The Franciszek Górski Institute of Plant Physiology, Department of Developmental Biology, Niezapominajek 21 Street, 30-239 Krakow, Poland
Interests: plant physiology; steroid regulator (brassinosteroid, progesterone, androstenedione, etc.) content in plants; physiological activity (improvement of crop production, mechanisms of plant stress tolerance); practical applications

Special Issue Information

Dear Colleagues,

Steroids are a group of compounds to which a number of crucial metabolism-controlling hormones belong. The group of steroid hormones that are present and active in animals and humans is large and includes, among others, progesterone, pregnenolone, testosterone, estrogens, and corticosteroids, while ecdysteroids are mainly known as steroid hormones of arthropods that regulate the ecdysis and development. In plants, the steroid regulators include the brassinosteroids, which are hormones that have a multidirectional activity and are engaged in plant growth, development, and the response to environmental stress. Interestingly, however, both mammalian steroid hormones and ecdysteroids are also part of the secondary metabolism in plants. While the debate about whether these compounds are also hormones for plants is still ongoing, there is currently a great deal of literature data that show that mammalian steroids and ecdysteroids have an influence on the physiological processes of plants.  Therefore, for this Special Issue, we welcome the submission of articles (original research papers, short communications, methods papers, and reviews) that are devoted to mammalian steroids, ecdysteroids, and brassinosteroids in plants. Articles should focus on: (1) the presence and metabolism of steroids in plants; (2) the physiological activity of the steroid regulators in plants, particularly the role of steroids in the plant stress response and plant development; (3) the mechanisms of action of steroids in plants at all levels, including transcriptomic, proteomic, metabolomic, and epigenomic studies; (4) studies of the steroid activity at both the whole plant level and in in vitro cultures of cells and tissues; or (5) practical applications of steroids in agriculture and other disciplines. Studies devoted to brassinosteroids will be accepted, but studies on the activity and presence of mammalian steroids and ecdysteroids are especially welcome.

Dr. Anna Janeczko
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • steroids
  • progesterone
  • pregnenolone
  • testosterone
  • estrogens
  • corticosteroids
  • brassinosteroids
  • ecdysteroids
  • presence in plants
  • physiological activity
  • plant development
  • crop production
  • mechanisms of plant stress tolerance
  • in vitro culture, practical use

Published Papers (2 papers)

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Research

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10 pages, 883 KiB  
Article
Progesterone Promotes Mitochondrial Respiration at the Biochemical and Molecular Level in Germinating Maize Seeds
by Hulya Turk
Plants 2021, 10(7), 1326; https://doi.org/10.3390/plants10071326 - 29 Jun 2021
Cited by 6 | Viewed by 2141
Abstract
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 [...] Read more.
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. Full article
(This article belongs to the Special Issue Mammalian Steroid Hormones, Ecdysteroids, and Brassinosteroids: Presence, Activity, and Receptors in Plants)
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Review

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15 pages, 890 KiB  
Review
Estrogens and Androgens in Plants: The Last 20 Years of Studies
by Anna Janeczko
Plants 2021, 10(12), 2783; https://doi.org/10.3390/plants10122783 - 16 Dec 2021
Cited by 15 | Viewed by 6261
Abstract
Although the only known steroid hormones in plants are brassinosteroids, interestingly, mammalian steroid hormones such as androgens or estrogens are also part of the plant metabolic profile. This presented review is focused on the progress that has been made in this matter during [...] Read more.
Although the only known steroid hormones in plants are brassinosteroids, interestingly, mammalian steroid hormones such as androgens or estrogens are also part of the plant metabolic profile. This presented review is focused on the progress that has been made in this matter during the last two decades. The presence of testosterone, 17β-estradiol, and other androgens/estrogens in plants (particularly those that can be measured using more advanced techniques) is described. The physiological activity of androgens and estrogens, especially in plants’ stress response, are discussed, together with some possible mechanisms of their action. The current knowledge indicates that although androgens and estrogens do not have the status of hormones in plants, they are physiologically active and can serve as regulators that support the activity of classic hormones in (1) regulating the various processes connected with plant growth and development and (2) the interaction of plants with their environment. Full article
(This article belongs to the Special Issue Mammalian Steroid Hormones, Ecdysteroids, and Brassinosteroids: Presence, Activity, and Receptors in Plants)
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