Ethylene: Role in Plants Under Environmental Stress

Matilla-Vázquez, M. A.; Matilla, Ángel J.

doi:10.1007/978-1-4614-8600-8_7

Cited by 15 publications

(6 citation statements)

References 229 publications

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“…On the other hand, SA was determined and measured in lucerne plants. SA is a phenolic phytohormone that plays a significant role in photosynthesis, transpiration, ion uptake, and transport ( de Freitas et al, 2019 ; Matilla-Vazquez and Matilla, 2014 ). It regulates leaf anatomy and chloroplast structure ( Poór et al, 2019 ; Warrier et al, 2013 ).…”

Section: Resultsmentioning

confidence: 99%

Physiological and Biochemical Changes in Lucerne (Medicago sativa) Plants Infected with ‘Candidatus Phytoplasma australasia’-Related Strain (16SrII-D Subgroup)

Ayvaci¹,

Güldür²,

Dikilitaş

2022

Plant Pathol J

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Changes in physiological and biochemical patterns in lucerne plants caused by the presence of ‘Candidatus Phytoplasma australasia’, which is one of the significant pathogens causing yield losses in lucerne plants, were investigated. Significant differences were evident in total chlorophyll, chlorophyll a, chlorophyll b, and protein amounts between ‘Ca. Phytoplasma australasia’-positive and negative lucerne plants. Stress-related metabolites such as phenol, malondialdehyde, and proline accumulations in ‘Ca. Phytoplasma australasia’-positive plants were remarkably higher than those of phytoplasma-negative plants. As a response to disease attack, phytoplasma-positive plants exhibited higher antioxidant enzymes (peroxidase and catalase) and non-enzymatic metabolite responses such as jasmonic and salicylic acids. We state that partial disease responses were revealed for the first time to breed resistant lucerne lines infected by ‘Ca. Phytoplasma australasia’.

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Section: Resultsmentioning

confidence: 99%

Physiological and Biochemical Changes in Lucerne (Medicago sativa) Plants Infected with ‘Candidatus Phytoplasma australasia’-Related Strain (16SrII-D Subgroup)

Ayvaci¹,

Güldür²,

Dikilitaş

2022

Plant Pathol J

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“…Salicylic acid was also beneficial in combination with other plant growth regulators such as jasmonic acid and ethylene (Jia et al, 2013). Against HM stress, array of signal transduction is produced as a consequence of plant activities in response to stress with the synthesis, accumulation and translocation of phytohormones to the different plant parts (Matilla-Vazquez & Matilla, 2014). Ethylene biosynthetic enzyme activities were enhanced upon HM stress by phosphorylation of ACS2 and ACS6 due to activation of MAPKs (Bücker-Neto et al, 2017).…”

Section: Heavy Metals and Salicylic Acidmentioning

confidence: 99%

Heavy metal induced regulation of plant biology: Recent insights

Sharma

Kapoor

Gautam

et al. 2022

Physiologia Plantarum

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The presence of different forms of heavy metals in the earth crust is very primitive and probably associated with the origin of plant life. However, since the beginning of human civilisation, heavy metal use and its contamination to all living systems on earth have significantly increased due to human anthropogenic activities. Heavy metals are nonbiodegradable, which directly or indirectly impact photosynthesis, antioxidant system, mineral nutrition status, phytohormones and amino acid‐derived molecules. Due to the toxic behaviour of some heavy metals, the endogenous status of chemical messengers like phytohormones may get significantly influenced, leading to harmful impacts on plant growth, development and overall yield of the plants. It has been noticed that exogenous application of phytohormones, that is, abscisic acid, salicylic acid, auxins, brassinosteroids, cytokinins, ethylene and gibberellins can positively regulate the heavy metal toxicity in plants through the regulation of the ascorbate–glutathione cycle, nitrogen metabolism, proline metabolisms, transpiration rate, and cell division. Furthermore, it may also restrict the entry of heavy metals into the plant cells, which aids in the recovery of plant growth and productivity. Besides these, some defence molecules also assist the plant in dealing with heavy metal toxicity. Therefore, the present review aims to bridge the knowledge gap in this context and present outstanding discoveries related to plant life supportive processes during stressful conditions including phytohormones and heavy metal crosstalk along with suggestions for future research in this field.

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“…The biosynthesis, transportation and accumulation of these plant hormones boost the signaling pathways, activating certain antioxidant gene expressions and stimulating the production of osmoprotectants such as proline, soluble sugars, amino acids, etc. [161].…”

Section: Effect Of Cr On the Endogenous Levels Of Plant Hormonesmentioning

confidence: 99%

Chromium Bioaccumulation and Its Impacts on Plants: An Overview

Sharma

Kapoor

Wang

et al. 2020

Plants

295

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Chromium (Cr) is an element naturally occurring in rocky soils and volcanic dust. It has been classified as a carcinogen agent according to the International Agency for Research on Cancer. Therefore, this metal needs an accurate understanding and thorough investigation in soil–plant systems. Due to its high solubility, Cr (VI) is regarded as a hazardous ion, which contaminates groundwater and can be transferred through the food chain. Cr also negatively impacts the growth of plants by impairing their essential metabolic processes. The toxic effects of Cr are correlated with the generation of reactive oxygen species (ROS), which cause oxidative stress in plants. The current review summarizes the understanding of Cr toxicity in plants via discussing the possible mechanisms involved in its uptake, translocation and sub-cellular distribution, along with its interference with the other plant metabolic processes such as chlorophyll biosynthesis, photosynthesis and plant defensive system.

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Ethylene: Role in Plants Under Environmental Stress

Cited by 15 publications

References 229 publications

Physiological and Biochemical Changes in Lucerne (Medicago sativa) Plants Infected with ‘Candidatus Phytoplasma australasia’-Related Strain (16SrII-D Subgroup)

Physiological and Biochemical Changes in Lucerne (Medicago sativa) Plants Infected with ‘Candidatus Phytoplasma australasia’-Related Strain (16SrII-D Subgroup)

Heavy metal induced regulation of plant biology: Recent insights

Chromium Bioaccumulation and Its Impacts on Plants: An Overview

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