Article
Plant Sciences
Stephanie Bethmann, Ann-Kathrin Haas, Michael Melzer, Peter Jahns
Summary: Proper acclimation to different growth light intensities is crucial for plant survival and competitiveness. High light exposure leads to down-regulation and photoinhibition of photosystem II (PSII) activity. The xanthophyll zeaxanthin (Zx) plays a central role in these photoprotective processes. Different plant species show varying sensitivity to high light, accompanied by differential down-regulation of PSII and zeaxanthin epoxidase (ZEP) activity. This research highlights the species-specific acclimation strategies and the central role of Zx in photoprotection.
PHYSIOLOGIA PLANTARUM
(2023)
Article
Plant Sciences
Monique Matzner, Larissa Launhardt, Olaf Barth, Klaus Humbeck, Reimund Goss, Ingo Heilmann
Summary: This study reveals that under salt treatment, both MGDG and the extraplastidial lipid PC increase in abundance in Arabidopsis seedlings. Similar increases were observed in fad3 mutant seedlings, indicating compensatory mobilization of linolenic acid-containing intermediates from plastids to the endoplasmic reticulum. The exchange of lipid intermediates between these compartments affects thylakoid function, specifically impacting the activity of certain thylakoid enzymes.
PLANT AND CELL PHYSIOLOGY
(2023)
Article
Multidisciplinary Sciences
Joseph Qian, Nicholas Ferrari, Richard Garcia, Mary Beth L. Rollins, Paul F. South
Summary: Photosynthesis and photorespiration are essential metabolic processes in plants, but the exact mechanisms and interactions with other cellular processes are not fully understood. This paper describes a method to screen for changes in photosynthetic efficiency induced by abiotic stress using chlorophyll fluorescence analysis and low CO2 screening, which can identify genes involved in photorespiration. The data from this method can provide insights into gene function under increased stress environments.
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS
(2022)
Article
Biochemistry & Molecular Biology
Aleksandra Eckstein, Joanna Grzyb, Pawel Hermanowicz, Piotr Zglobicki, Justyna Labuz, Wojciech Strzalka, Dariusz Dziga, Agnieszka Katarzyna Banas
Summary: The study investigates the role of blue light photoreceptors in plant leaf senescence, finding that the symptoms of senescence were less pronounced in mutants with phototropin mutations, indicating delayed senescence in these plants. This suggests different mechanisms of phototropin involvement in regulating senescence-related processes.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Biochemistry & Molecular Biology
Artur Nosalewicz, Karolina Okon, Maria Skorupka
Summary: This study evaluates the effects of non-photochemical quenching (NPQ) components on the response of Arabidopsis thaliana to fluctuating light and water availability. It found that water deficit affects the dynamics of NPQ induced by fluctuating light and reduces plant capability to cope with it.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Plant Sciences
Guillermo Baena, Ana B. Feria, Luis Hernandez-Huertas, Jacinto Gandullo, Cristina Echevarria, Jose A. Monreal, Sofia Garcia-Maurino
Summary: Phosphoenolpyruvate carboxylase (PEPC) is involved in carbon and nitrogen metabolisms, and a portion of it undergoes degradation via selective autophagy, with monoubiquitination playing a key role in the process. These findings increase understanding of the regulation of PEPC degradation.
Article
Plant Sciences
Ya-Qi An, Zi-Ting Qin, Dan-Dan Li, Rui-Qi Zhao, Bo-Shi Bi, Da-Wei Wang, De-Jun Ma, Zhen Xi
Summary: In the context of global food crisis, the combination of phytohormone-brassinosteroids (BRs) and fungicide-pyraclostrobin (Pyr) was beneficial for plant quality and productivity. The coapplication of BL+ Pyr exerted additional growth-promoting effects, leading to increased yield and fresh weight of leaves and inflorescences. BL + Pyr treatment improved photosynthetic efficiency and increased chlorophyll biosynthesis and sugar accumulation, providing new understanding for the co-application of BL and Pyr in agriculture.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Engineering, Environmental
Martin Lycka, Milos Bartak, Ondrej Helia, Stanislav Kopriva, Dana Moravcova, Josef Hajek, Lukas Fojt, Richard Cmelik, Jiri Fajkus, Miloslava Fojtova
Summary: Hydroponic experiments were conducted to investigate the effects of prolonged sulfate limitation and Cd exposure on Arabidopsis thaliana and Nicotiana tabacum. Both species showed adverse effects on morphology, photosynthetic and biochemical parameters, and nutritional status under low sulfate treatments and Cd stress. The responses to low sulfate supply, Cd exposure, or a combination of both factors were species-specific, and Cd exposure had opposing effects on the levels of certain elements in the roots.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Plant Sciences
Daniel Arpad Carrera, Gavin M. George, Michaela Fischer-Stettler, Florian Galbier, Simona Eicke, Elisabeth Truernit, Sebastian Streb, Samuel C. Zeeman
Summary: Plastid metabolism plays a critical role in plant cells, with different isoforms of fructose-1,6-bisphosphate aldolase (FBA) showing distinct contributions in different tissues. Loss of specific FBA isoforms can lead to growth defects, indicating the importance of these enzymes in plant development and metabolism. Redundancy and tissue-specific expression patterns of FBA isoforms help plants adapt to their environment and ensure survival.
JOURNAL OF EXPERIMENTAL BOTANY
(2021)
Review
Plant Sciences
Luiza Lane de Barros Dantas, Bethany M. Eldridge, Jack Dorling, Richard Dekeya, Deirdre A. Lynch, Antony N. Dodd
Summary: Circadian regulation plays a crucial role in the metabolism of photosynthetic organisms, maximizing plant productivity through alignment with day-night cycles. Understanding the relationship between circadian regulation and metabolism is important for enhancing sustainable crop production.
Article
Plant Sciences
Louise Noren Lindback, Yan Ji, Luis Cervela-Cardona, Xu Jin, Ullas V. Pedmale, Asa Strand
Summary: Researchers have identified three bZIP transcription factors (bZIP16, bZIP68, and GBF1) that play important roles in regulating chloroplast establishment. The activity of these factors is dependent on the redox status of a conserved cysteine residue, allowing for fine-tuning of light-responsive gene expression. In addition, they have been identified as novel interaction partners of the blue-light cryptochrome photoreceptors (CRY).
Article
Plant Sciences
Yuanyuan Li, Bei Tian, Yue Wang, Jiechen Wang, Hongbo Zhang, Lu Wang, Guangyu Sun, Yongtao Yu, Huihui Zhang
Summary: The overexpression of MYB37 alleviates salt stress symptoms in Arabidopsis plants by increasing photosynthesis, reducing chlorophyll degradation, and improving salt tolerance.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Green & Sustainable Science & Technology
Yanmei Chen, Longfei Liang, Dan Chen, Tian Gan, Min Cao, Jie Luo
Summary: This study compared the physiological and biochemical responses of Arabidopsis thaliana to Cd stress under different light irradiation treatments, finding that light can enhance plant stress adaptation, but concentrations of certain amino acids significantly decreased under monochromatic blue light irradiation. On the other hand, concentrations of nitrogen-related amino acids increased under red and blue combined irradiation, corresponding to the improved photosynthetic capacity of the species.
Article
Plant Sciences
Satoru N. Kinoshita, Takamasa Suzuki, Takatoshi Kiba, Hitoshi Sakakibara, Toshinori Kinoshita
Summary: Plant growth and development rely on plasma membrane proton-translocating adenosine triphosphatase (H+-ATPase), which is activated by phosphorylation. Small Auxin-Up RNA proteins regulate the phosphorylation level by inhibiting dephosphorylation. Photosynthetically active radiation activates H+-ATPase, and phosphorylation depends on photosynthesis and sugar supplementation. The molecular mechanism and physiological role of this activation are still unknown.
PLANT AND CELL PHYSIOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Yonghui Dong, Liron Feldberg, Ilana Rogachev, Asaph Aharoni
Summary: Stable isotope labeling using DLEMMA was used to identify and track the phenylpropanoid pathway in Arabidopsis thaliana, resulting in the discovery of 35 phenylalanine-derived metabolites. A comparison between wild type and mutant leaves revealed 30 differential metabolites, with ectopic PAP1 expression leading to significant changes in anthocyanins and flavonols accumulation.
Article
Biochemistry & Molecular Biology
Maria Ghazzal, M. Iftikhar Hussain, Zafar Iqbal Khan, Kafeel Ahmad, Mudasra Munir, Bilal Ahamad Paray, Mohammad Khalid Al-Sadoon
Summary: This study investigated the accumulation of cobalt in several forage crops and found significant differences in cobalt concentration in different soils, sewage water sources, seasons, and forage ecotypes. Bioaccumulation of cobalt in the food chain, caused by anthropogenic activities, was observed. The results highlight the need to prevent contamination of the food chain by cobalt-rich sewage water and to explore alternative water resources for irrigation.
BIOLOGICAL TRACE ELEMENT RESEARCH
(2023)
Article
Chemistry, Analytical
Maryam Ali, Laila Shahzad, Muhammad Umar Hayyat, Faiza Sharif, Gul Zareen Ghafoor, Rabiya Nasir
Summary: The study examined the concentrations of heavy metals in different sunblock brands and evaluated their health risks. A preliminary study was conducted in Lahore, Pakistan to understand sunblock usage behavior and the most commonly used sunblock among youth. Samples were collected from pharmacies and shopping malls in Lahore, Pakistan. Heavy metals were detected using flame atomic absorption spectrometer and ICP-OES. The highest detected values for Pb, Cd, Ni, and Ti were found to exceed EU standards. However, the Margin of Safety (MoS) values were acceptable for all metals except Cd, and the Hazard Index (HI) and lifetime cancer risk (LCR) were within acceptable range. The study highlights the need for national standards and policy guidelines to restrict usage of toxic metals in consumer products to safeguard public health and the environment.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Environmental Sciences
Misha Iqbal, Muhammad Naveed, Muhammad Sanaullah, Martin Brtnicky, M. Iftikhar Hussain, Jiri Kucerik, Jiri Holatko, Adnan Mustafa
Summary: This study aims to investigate the influence of microorganisms such as Enterobacter sp., Bacillus sp., and Piriformospora indica on canola growth, and it was found that they can significantly improve canola biomass, root system, and yield.
JOURNAL OF SOILS AND SEDIMENTS
(2023)
Article
Plant Sciences
David Lopez-Gonzalez, Elisa Grana, Marta Teijeira, Mercedes Verdeguer, Manuel J. Reigosa, Adela M. Sanchez-Moreiras, Fabrizio Araniti
Summary: Experimental and metabolomic analyses have shown that the phytotoxic compounds farnesene and citral have similar effects on photosynthesis but different mechanisms of action, potentially due to oxidative stress-induced side effects.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2023)
Article
Green & Sustainable Science & Technology
Arooba John, Muhammad Luqman, Sohaib Muhammad, Uzma Hanif, Andleeb Anwar Sardar, Shaukat Ali, Ali Hasnain, Matiba Tufail, Zafar Iqbal Khan, Muhammad Iftikhar Hussain, Binyameen, Muhammad Naveed Anjum, Amna Ejaz, Muhammad Shahzad Chaudhry, Hsi-Hsien Yang, Muhammad Umer Farooq Awan
Summary: This study aimed to examine the genotoxicity of industrial wastewater on plant growth-promoting rhizobacteria (PGPR). The results showed that all the food colors caused significant damage to DNA, with Azorubine E-122 having a greater impact. This highlights the destructive effects of food colors on soil microorganisms and soil fertility.
Article
Agronomy
Fauzia Batool, M. Iftikhar Hussain, Sonaina Nazar, Humayun Bashir, Zafar Iqbal Khan, Kafeel Ahmad, Maha Abdallah Alnuwaiser, Hsi-Hsien Yang
Summary: Anthropogenic activities are the main cause of environmental pollution, which poses significant risks to human health by introducing excessive pollutants into the terrestrial ecosystem. This study evaluated the bioaccumulation of carcinogenic metals and mineral elements in wheat irrigated with sewage water, comparing various environmental traits to understand the fate of these toxic metals. The results show that regular monitoring of wheat crops irrigated with wastewater is highly recommended to minimize health risks in humans.
AGRICULTURAL WATER MANAGEMENT
(2023)
Article
Agriculture, Multidisciplinary
Sara Alvarez-Rodriguez, Carla M. Alvite, Manuel J. Reigosa, Adela M. Sanchez-Moreiras, Fabrizio Araniti
Summary: Finding herbicides with new and multiple modes of action is crucial for preventing the increase in resistant weed species. In this study, harmaline, a natural alkaloid, was tested on Arabidopsis plants and found to significantly affect photosynthetic parameters and induce metabolic alterations. The results suggest that harmaline has the potential to be a new and interesting phytotoxic molecule for further investigation.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Agronomy
Yedra Vieites-Alvarez, Paz Otero, Miguel Angel Prieto, Jesus Simal-Gandara, Manuel J. Reigosa, Adela M. Sanchez-Moreiras, M. Iftikhar Hussain
Summary: This study reveals that Maurizio is a promising wheat cultivar for sustainable weed control, with the ability to outcompete weeds and exude large amounts of benzoxazinones. Screening crop varieties with allelopathic potential is an immediate solution for ecological and sustainable agriculture.
PEST MANAGEMENT SCIENCE
(2023)
Article
Environmental Sciences
Marta Perez-Diz, Berea Rodriguez-Addesso, Muhammad Iftikhar Hussain, Jonatan Rodriguez, Ana Novoa, Luis Gonzalez
Summary: This study investigated the phenotypic plasticity of Carpobrotus sp. pl. invading four different habitats in the north-western Iberian Peninsula. The results showed variations in morphological traits, carbon and nitrogen stable isotope compositions of Carpobrotus sp. pl. in response to different environmental conditions and resource utilization in each habitat.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Plant Sciences
David Lopez-Gonzalez, Yolanda Ferradas, Fabrizio Araniti, Elisa Grana, Jose M. Hermida-Ramon, Maria Victoria Gonzalez, Marta Teijeira, Manuel Rey, Manuel J. Reigosa, Adela M. Sanchez-Moreiras
Summary: This study investigated the phytotoxic effects of trans-cinnamaldehyde on Arabidopsis thaliana seedlings. The compound inhibited root growth and induced the formation of adventitious roots. It also caused alterations to the mitochondria, hormonal mismatch, and oxidative stress in the treated seedlings.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Environmental Sciences
Wameed Alghazali, Muhammad Iftikhar Hussain, Am Shanableh, Adel Tayara
Summary: The addition of date pit powders and phytochemical extracts were found to significantly inhibit biogas production, reduce the removal of total solids and volatile solids, decrease pH, decrease ammonia concentration, and increase phosphorus concentration. This inhibition is attributed to the phytotoxic activity of secondary metabolites in date pits.
WASTE AND BIOMASS VALORIZATION
(2023)
Article
Multidisciplinary Sciences
Safi Ullah Khan, Faizan Ullah, Masroor Hussain, Muhammad Zahid Ihsan, Sultan Mehmood, Liaqat Ali, Shah Saud, Shah Fahad, Shah Hassan, Muhammad Zeeshan, Sultan Akbar Jadoon, Asad Syed, Abdallah M. Elgorban, Rajalakshmanan Eswaramoorthy, Muhammad Iftikhar Hussain
Summary: The phytochemicals found in Chenopodium glaucum extracts were highly phytotoxic on radish seed germination and seedling growth. It is recommended to isolate and characterize these novel compounds for the development of new biodegradable herbicides.
JOURNAL OF KING SAUD UNIVERSITY SCIENCE
(2023)
Article
Environmental Sciences
Muhammad Hayder Ali, Amna Muzaffar, Muhammad Imran Khan, Qammar Farooq, Muhammad Ayyoub Tanvir, Muhammad Dawood, Muhammad Iftikhar Hussain
Summary: An experiment was conducted to investigate the effects of a petroleum hydrocarbons (PHs)-degrading microbial consortium (MC) on the phytoremediation ability and growth of water hyacinth (WH) plants in water contaminated with lead (Pb) and PHs. The results showed that the application of MC significantly increased the growth and physiology of WH plants, and also effectively removed Pb and PHs from the contaminated water. Therefore, the combination of WH plants and PHs-degrading MC could be a promising nature-based technology for water remediation.
INTERNATIONAL JOURNAL OF PHYTOREMEDIATION
(2023)
Article
Environmental Sciences
Neelma Munir, Rabia Tariq, Zainul Abideen, Maria Hasnain, Muhammad Iftikhar Hussain, Rukhama Haq
Summary: This study proposes the utilization of halophytic plants, such as Chenopodium album, for synthesizing zinc oxide nanoparticles (ZnO NPs) and treating textile industry wastewater. The results show that the green synthesis of halophytic nanoparticles presents maximum removal capacity after 15 days exposure to 1 mg of ZnO NPs. Therefore, the prepared ZnO NPs from halophytes can be a viable solution for treating textile industry effluents before they are discharged into water bodies for sustainable environmental growth and environmental safety.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)