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Effects of Abiotic Stress on Nutrient Absorption and Photosynthetic Rate...
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Effects of Abiotic Stress on Nutrient Absorption and Photosynthetic Rate of Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 10279

Special Issue Editor

Prof. Dr. Anastasia E. Giannakoula

E-Mail Website
Guest Editor
Laboratory of Plant Physiology, Department of Agriculture, International Hellenic University, 54700 Sindos, Greece
Interests: abiotic stress; nutrient absorption; photosynthetic rate; plant stress
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleague,

Abiotic stress is one of the most important factors that are responsible for adverse effects on plant growth and development. More precisely, different forms of abiotic stress such as drought, chilling, heat stress, and salinity can affect crop productivity worldwide. These stresses are likely to be further aggravated in the near future due to climate change.

Abiotic factors cause nutrient deficiencies, as the physiochemical properties of the soil can lead to a reduced mobility and absorbance of individual nutrients. In most cases of abiotic stress, plants show either low or excessive availability of nutrient requirements, which alters their biochemical composition and minimizes growth and yield.

Furthermore, considering limitations by other factors such as light intensity, carbon dioxide concentration, temperature and chlorophyll concentration, and photosynthetic rate (assimilation rate of carbon dioxide) can be affected, and therefore, the ability of a plant to photosynthesize is altered.

Eventually, in order to cope with such impacts, a wide range of adaptations and mitigation strategies are required. Plants have developed various mechanisms in order to overcome threats caused by abiotic stress such as extreme temperatures, flood, salinity, and heavy metal. We would like to cordially invite you to contribute a paper to be included in the Special Issue ‘Effects of Abiotic Stress on Nutrient Absorption and Photosynthetic Rate of Plants’.

Prof. Dr. Anastasia E. Giannakoula
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

  • Abiotic stress
  • The effect of climate change on abiotic stress
  • Photosynthetic mechanism and abiotic stress
  • The effect of abiotic stress on nutrient uptake and absorption
  • Plant sciences and plant research
  • Plant physiology and biochemistry
  • Plant stress
  • Plant and growth regulation
  • Plant ecology
  • Plant nutrition and soil sciences
  • Environmental botany
  • Plant and climate change
  • Salinity stresses
  • Drought and flood stress
  • Extreme temperatures

Published Papers (3 papers)

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Research

16 pages, 2746 KiB  
Article
Response of Three Greek Populations of Aegilops triuncialis (Crop Wild Relative) to Serpentine Soil
by Maria Karatassiou, Anastasia Giannakoula, Dimitrios Tsitos and Stefanos Stefanou
Plants 2021, 10(3), 516; https://doi.org/10.3390/plants10030516 - 10 Mar 2021
Cited by 4 | Viewed by 1778
Abstract
A common garden experiment was established to investigate the effects of serpentine soil on the photosynthetic and biochemical traits of plants from three Greek populations of Aegilops triuncialis. We measured photosynthetic and chlorophyll fluorescence parameters, proline content, and nutrient uptake of the [...] Read more.
A common garden experiment was established to investigate the effects of serpentine soil on the photosynthetic and biochemical traits of plants from three Greek populations of Aegilops triuncialis. We measured photosynthetic and chlorophyll fluorescence parameters, proline content, and nutrient uptake of the above plants growing in serpentine and non-serpentine soil. The photochemical activity of PSII was inhibited in plants growing in the serpentine soil regardless of the population; however, this inhibition was lower in the Aetolia-Acarnania population. The uptake and the allocation of Ni, as well as that of some other essential nutrient elements (Ca, Mg, Fe, Mn), to upper parts were decreased with the lower decrease recorded in the Aetolia-Acarnania population. Our results showed that excess Ni significantly increased the synthesis of proline, an antioxidant compound that plays an important role in the protection against oxidative stress. We conclude that the reduction in the photosynthetic performance is most probably due to reduced nutrient supply to the upper plant parts. Moreover, nickel accumulation in the roots recorded in plants from all three populations seems to be a mechanism to alleviate the detrimental effects of the serpentine soil stress. In addition, our data suggest that the population from Aetolia-Acarnania could be categorized among the nickel excluders. Full article
(This article belongs to the Special Issue Effects of Abiotic Stress on Nutrient Absorption and Photosynthetic Rate of Plants)
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18 pages, 1814 KiB  
Article
Carbon Assimilation, Isotope Discrimination, Proline and Lipid Peroxidation Contribution to Barley (Hordeum vulgare) Salinity Tolerance
by Ioannis Vasilakoglou, Kico Dhima, Anastasia Giannakoula, Christos Dordas, Vasiliki Skiada and Kalliope Papadopoulou
Plants 2021, 10(2), 299; https://doi.org/10.3390/plants10020299 - 4 Feb 2021
Cited by 13 | Viewed by 1985
Abstract
Barley (Hordeum vulgare L.) exhibits great adaptability to salt tolerance in marginal environments because of its great genetic diversity. Differences in main biochemical, physiological, and molecular processes, which could explain the different tolerance to soil salinity of 16 barley varieties, were examined [...] Read more.
Barley (Hordeum vulgare L.) exhibits great adaptability to salt tolerance in marginal environments because of its great genetic diversity. Differences in main biochemical, physiological, and molecular processes, which could explain the different tolerance to soil salinity of 16 barley varieties, were examined during a two-year field experiment. The study was conducted in a saline soil with an electrical conductivity ranging from 7.3 to 11.5 dS/m. During the experiment, a number of different physiological and biochemical characteristics were evaluated when barley was at the two- to three-nodes growing stage (BBCH code 32–33). The results indicated that there were significant (p < 0.001) effects due to varieties for tolerance to salinity. Carbon isotopes discrimination was higher by 11.8% to 16.0% in salt tolerant varieties than that in the sensitive ones. Additionally, in the tolerant varieties, assimilation rates of CO2 and proline concentration were 200% and up to 67% higher than the sensitive varieties, respectively. However, in sensitive varieties, hydrogen peroxide and lipid peroxidation were enhanced, indicating an increased lipid peroxidation. The expression of the genes Hsdr4, HvA1, and HvTX1 did not differ among barley varieties tested. This study suggests that the increased carbon isotopes discrimination, increased proline concentration (play an osmolyte source role), and decreased lipid peroxidation are traits that are associated with barley tolerance to soil salinity. Moreover, our findings that proline improves salt tolerance by up-regulating stress-protective enzymes and reducing oxidation of lipid membranes will encourage our hypothesis that there are specific mechanisms that can be co-related with the salt sensitivity or the tolerance of barley. Therefore, further research is needed to ensure the tolerance mechanisms that exclude NaCl in salt tolerant barley varieties and diminish accumulation of lipid peroxides through adaptive plant responses. Full article
(This article belongs to the Special Issue Effects of Abiotic Stress on Nutrient Absorption and Photosynthetic Rate of Plants)
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14 pages, 765 KiB  
Article
Effect of Lead and Copper on Photosynthetic Apparatus in Citrus (Citrus aurantium L.) Plants. The Role of Antioxidants in Oxidative Damage as a Response to Heavy Metal Stress
by Anastasia Giannakoula, Ioannis Therios and Christos Chatzissavvidis
Plants 2021, 10(1), 155; https://doi.org/10.3390/plants10010155 - 14 Jan 2021
Cited by 126 | Viewed by 5783
Abstract
Photosynthetic changes and antioxidant activity to oxidative stress were evaluated in sour orange (Citrus aurantium L.) leaves subjected to lead (Pb), copper (Cu) and also Pb + Cu toxicity treatments, in order to elucidate the mechanisms involved in heavy metal tolerance. The [...] Read more.
Photosynthetic changes and antioxidant activity to oxidative stress were evaluated in sour orange (Citrus aurantium L.) leaves subjected to lead (Pb), copper (Cu) and also Pb + Cu toxicity treatments, in order to elucidate the mechanisms involved in heavy metal tolerance. The simultaneous effect of Pb− and Cu on growth, concentration of malondialdehyde (MDA), hydrogen peroxide (H2O2), chlorophylls, flavonoids, carotenoids, phenolics, chlorophyll fluorescence and photosynthetic parameters were examined in leaves of Citrus aurantium L. plants. Exogenous application of Pb and Cu resulted in an increase in leaf H2O2 and lipid peroxidation (MDA). Toxicity symptoms of both Pb and Cu treated plants were stunted growth and decreased pigments concentration. Furthermore, photosynthetic activity of treated plants exhibited a significant decline. The inhibition of growth in Pb and Cu-treated plants was accompanied by oxidative stress, as indicated by the enhanced lipid peroxidation and the high H2O2 concentration. Furthermore, antioxidants in citrus plants after exposure to high Pb and Cu concentrations were significantly increased compared to control and low Pb and Cu treatments. In conclusion, this study indicates that Pb and Cu promote lipid peroxidation, disrupt membrane integrity, reduces growth and photosynthesis and inhibit mineral nutrition. Considering the potential for adverse human health effects associated with high concentrations of Pb and Cu contained in edible parts of citrus plants the study signals that it is important to conduct further research into the accessibility and uptake of the tested heavy metals in the soil and whether they pose risks to humans. Full article
(This article belongs to the Special Issue Effects of Abiotic Stress on Nutrient Absorption and Photosynthetic Rate of Plants)
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