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Plants
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Environmental Ecophysiology and Economical Potential of the Halophytes and Gypsophytes
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Environmental Ecophysiology and Economical Potential of the Halophytes and Gypsophytes

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

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 6284

Special Issue Editors

Prof. Dr. Milagros Bueno

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Guest Editor
Animal Biology, Plant Biology and Ecology, Faculty of Experimental Science, University of Jaén, E-23071 Paraje Las Lagunillas, Spain
Interests: abiotic stress; biotic stress; climatic change; ecophysiology of halophytes; salt tolerance; salt stress; plant growth regulator applications; plant osmoregulation; polyamines in plants under saline stress; halophyte utilities; biosaline agriculture; phytoremediation
Prof. Dr. María del Pilar Cordovilla

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Guest Editor
Center for Advances Studies in Olive Grove and Olive Oils, Animal Biology, Plant Biology and Ecology, Faculty of Experimental Science, University of Jaén, Paraje Las Lagunillas, E-23071 Jaén, Spain
Interests: salt stress; ecophysiology of halophytes; salt tolerance; ecophysiology of olives; plant osmoregulation; polyamines in plants under saline stress; halophyte utilities; biotic stress
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Manuel Melendo Luque

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Guest Editor
Animal Biology, Plant Biology and Ecology, Faculty of Experimental Science, University of Jaén, Paraje Las Lagunillas, E-23071 Jaén, Spain
Interests: abiotic stress; climatic change; edaphisms; endemic plants; geobotany; gypsophily; phytoremediation; plant autoecology; salt tolerance; special soils

Special Issue Information

Dear Colleagues,

In recent years, climate change has been altering the environment (severe drought, soil salinization, irregular precipitation, etc.) around the world, decreasing crop yield and upsetting the balance of ecosystems. However, there is a diverse and fascinating group of plants known as halophytes and gypsophytes with the ability to survive and develop in saline and gypsum soils (wetlands, coasts, deserts or temperate zones) and produce a variety of secondary metabolites related to growth and development, protection against abiotic and biotic stress, as well as chemical ecology. Exploring the adaptation of these plants, analyzing their potential economic value as a possible alternative to glycophytic crops and investigating their use in biosaline agriculture, forages and animal feeds, biofuels, phytoremediation, medicinal purposes and commercial products are a challenge in the 21st century. Knowing of these plants can help us reduce the pressure on conventional crops as well as the use of land degraded by salinity.

Prof. Dr. Milagros Bueno
Prof. Dr. María del Pilar Cordovilla
Prof. Dr. Manuel Melendo Luque
Guest Editors

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

  • biosaline agriculture
  • antioxidants
  • abiotic stress
  • biofuel
  • biotic stress
  • climatic change
  • forages
  • gypsophytes
  • halophytes
  • ionic homeostasis
  • osmolytes
  • phytoremediation
  • medicinal plants

Published Papers (3 papers)

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Research

18 pages, 1782 KiB  
Article
Interactive Temperature and CO2 Rise, Salinity, Drought, and Bacterial Inoculation Alter the Content of Fatty Acids, Total Phenols, and Oxalates in the Edible Halophyte Salicornia ramosissima
by Jennifer Mesa-Marín, Enrique Mateos-Naranjo, João Carreiras, Eduardo Feijão, Bernardo Duarte, Ana Rita Matos, Marco Betti, Carmen Del Rio, Marina Romero-Bernal, Joan Montaner and Susana Redondo-Gómez
Plants 2023, 12(6), 1395; https://doi.org/10.3390/plants12061395 - 21 Mar 2023
Cited by 1 | Viewed by 1312
Abstract
In this work, we studied the combined effect of increased temperature and atmospheric CO2, salt and drought stress, and inoculation with plant-growth-promoting rhizobacteria (PGPR) on the growth and some nutritional parameters of the edible halophyte Salicornia ramosissima. We found that [...] Read more.
In this work, we studied the combined effect of increased temperature and atmospheric CO2, salt and drought stress, and inoculation with plant-growth-promoting rhizobacteria (PGPR) on the growth and some nutritional parameters of the edible halophyte Salicornia ramosissima. We found that the increase in temperature and atmospheric CO2, combined with salt and drought stresses, led to important changes in S. ramosissima fatty acids (FA), phenols, and oxalate contents, which are compounds of great importance for human health. Our results suggest that the S. ramosissima lipid profile will change in a future climate change scenario, and that levels of oxalate and phenolic compounds may change in response to salt and drought stress. The effect of inoculation with PGPR depended on the strains used. Some strains induced the accumulation of phenols in S. ramosissima leaves at higher temperature and CO2 while not altering FA profile but also led to an accumulation of oxalate under salt stress. In a climate change scenario, a combination of stressors (temperature, salinity, drought) and environmental conditions (atmospheric CO2, PGPR) will lead to important changes in the nutritional profiles of edible plants. These results may open new perspectives for the nutritional and economical valorization of S. ramosissima. Full article
(This article belongs to the Special Issue Environmental Ecophysiology and Economical Potential of the Halophytes and Gypsophytes)
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19 pages, 2471 KiB  
Article
Bioactive Extracts from Salicornia ramosissima J. Woods Biorefinery as a Source of Ingredients for High-Value Industries
by Laura Sini Sofia Hulkko, Rui Miranda Rocha, Riccardo Trentin, Malthe Fredsgaard, Tanmay Chaturvedi, Luísa Custódio and Mette Hedegaard Thomsen
Plants 2023, 12(6), 1251; https://doi.org/10.3390/plants12061251 - 09 Mar 2023
Cited by 8 | Viewed by 2050
Abstract
Salt-tolerant plants, also known as halophytes, could provide a novel source of feedstock for biorefineries. After harvesting fresh shoots for food, the lignified fraction of Salicornia ramosissima J. Woods could be used to produce bioactive botanical extracts for high-value industries such as nutraceuticals, [...] Read more.
Salt-tolerant plants, also known as halophytes, could provide a novel source of feedstock for biorefineries. After harvesting fresh shoots for food, the lignified fraction of Salicornia ramosissima J. Woods could be used to produce bioactive botanical extracts for high-value industries such as nutraceuticals, cosmetics, and biopharmaceuticals. The residual fraction after extraction can be further used for bioenergy or lignocellulose-derived platform chemicals. This work analysed S. ramosissima from different sources and growth stages. After pre-processing and extractions, the obtained fractions were analysed for their contents of fatty acids, pigments, and total phenolics. Extracts were also evaluated for their in vitro antioxidant properties and inhibitory effect towards enzymes related to diabetes, hyperpigmentation, obesity, and neurogenerative diseases. The ethanol extract from the fibre residue and the water extract from completely lignified plants showed the highest concentration of phenolic compounds along with the highest antioxidant potential and enzyme-inhibitory properties. Hence, they should be further explored in the context of biorefinery. Full article
(This article belongs to the Special Issue Environmental Ecophysiology and Economical Potential of the Halophytes and Gypsophytes)
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23 pages, 2661 KiB  
Article
The Content of Certain Groups of Phenolic Compounds and the Biological Activity of Extracts of Various Halophyte Parts of Spergularia marina (L.) Griseb. and Glaux maritima L. at Different Levels of Soil Salinization
by Artem Pungin, Lidia Lartseva, Violetta Loskutnikova, Vladislav Shakhov, Olesya Krol, Elena Popova, Andrey Kolomiets, Nadezhda Nikolaeva and Aleksandra Volodina
Plants 2022, 11(13), 1738; https://doi.org/10.3390/plants11131738 - 30 Jun 2022
Cited by 7 | Viewed by 2178
Abstract
Halophyte plants are known for their resistance to harsh environmental conditions associated with excess salts in their habitats. Their resistance to salinization is due, among other things, to their high ability to detoxify free radicals, owing to the relatively high content of antioxidants. [...] Read more.
Halophyte plants are known for their resistance to harsh environmental conditions associated with excess salts in their habitats. Their resistance to salinization is due, among other things, to their high ability to detoxify free radicals, owing to the relatively high content of antioxidants. On the coast of the Baltic Sea and in the lagoons, there are several rare halophyte species included in the Red Book of the Kaliningrad Region (Russia) and the Baltic region, such as Spergularia marina (L.) Griseb. and Glaux maritima L. The aim of the research was to study the accumulation of certain groups of phenolic compounds in different parts of S. marina and G. maritima plants under conditions of weak and strong soil salinity, as well as to analyze the antioxidant, antibacterial, and fungicidal activity of extracts of the studied plant species. The present study showed an increase in total phenolic content in the roots and shoots of S. marina, and the shoots of G. maritima, in response to increased soil salinity. At the same time, the total content of flavonoids in all the studied parts of the two plant species remained unchanged. However, the content of individual flavonoids (hesperetin, epicatechin, apigenin derivative, luteolin derivative) in S. marina increased, for G. maritima there was a tendency to reduce the content of flavonoids in roots and shoots with an increase in soil salinity. There was an increase in the total content of hydroxycinnamic acids in the roots of Glaux maritima, as well as an increase in the content of protocatechuic acid in the roots and shoots of Spergularia marina. A positive relationship was established between the antioxidant activity of S. marina root extracts and the total content of phenolic compounds, as well as G. maritima shoots extracts and the total content of phenolic compounds. Extracts of S. marina showed no antibacterial activity against Escherichia coli and Bacillus subtilis, and weak fungicidal activity of stem extracts and inflorescences grown on soils, with high levels of salinities, was detected against Candida albicans. The extracts of roots and shoots from G. maritima showed weak antimicrobial and fungicidal activity. Full article
(This article belongs to the Special Issue Environmental Ecophysiology and Economical Potential of the Halophytes and Gypsophytes)
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